diff options
Diffstat (limited to 'erts')
176 files changed, 7088 insertions, 2495 deletions
diff --git a/erts/Makefile.in b/erts/Makefile.in index 3052dc3065..cddabbecee 100644 --- a/erts/Makefile.in +++ b/erts/Makefile.in @@ -75,12 +75,10 @@ local_setup: $(ERL_TOP)/bin/erl.exe $(ERL_TOP)/bin/erlc.exe \ $(ERL_TOP)/bin/escript $(ERL_TOP)/bin/escript.exe \ $(ERL_TOP)/bin/dialyzer $(ERL_TOP)/bin/dialyzer.exe \ - $(ERL_TOP)/bin/typer $(ERL_TOP)/bin/typer.exe \ $(ERL_TOP)/bin/ct_run $(ERL_TOP)/bin/ct_run.exe \ $(ERL_TOP)/bin/start*.boot $(ERL_TOP)/bin/start*.script @if [ "X$(TARGET)" = "Xwin32" ]; then \ cp $(ERL_TOP)/bin/$(TARGET)/dialyzer.exe $(ERL_TOP)/bin/dialyzer.exe; \ - cp $(ERL_TOP)/bin/$(TARGET)/typer.exe $(ERL_TOP)/bin/typer.exe; \ cp $(ERL_TOP)/bin/$(TARGET)/ct_run.exe $(ERL_TOP)/bin/ct_run.exe; \ cp $(ERL_TOP)/bin/$(TARGET)/erlc.exe $(ERL_TOP)/bin/erlc.exe; \ cp $(ERL_TOP)/bin/$(TARGET)/erl.exe $(ERL_TOP)/bin/erl.exe; \ @@ -100,7 +98,6 @@ local_setup: -e "s;%VSN%;$(VSN);" \ $(ERL_TOP)/erts/etc/unix/cerl.src > $(ERL_TOP)/bin/cerl; \ cp $(ERL_TOP)/bin/$(TARGET)/dialyzer $(ERL_TOP)/bin/dialyzer; \ - cp $(ERL_TOP)/bin/$(TARGET)/typer $(ERL_TOP)/bin/typer; \ cp $(ERL_TOP)/bin/$(TARGET)/ct_run $(ERL_TOP)/bin/ct_run; \ cp $(ERL_TOP)/bin/$(TARGET)/erlc $(ERL_TOP)/bin/erlc; \ cp $(ERL_TOP)/bin/$(TARGET)/escript $(ERL_TOP)/bin/escript; \ diff --git a/erts/aclocal.m4 b/erts/aclocal.m4 index 5ea4c2ccf3..80bf236188 100644 --- a/erts/aclocal.m4 +++ b/erts/aclocal.m4 @@ -1524,6 +1524,13 @@ ETHR_LIB_NAME= ethr_modified_default_stack_size= +AC_ARG_WITH(threadnames, +AS_HELP_STRING([--with-threadnames], [use pthread_setname to set the thread names (default)]) +AS_HELP_STRING([--without-threadnames], + [do not set any thread names]), +[], +[with_threadnames=yes]) + dnl Name of lib where ethread implementation is located ethr_lib_name=ethread @@ -1914,12 +1921,12 @@ case "$THR_LIB_NAME" in [pthread_setname_np("name");], pthread_setname=darwin) AC_MSG_RESULT([$pthread_setname]) - case $pthread_setname in - linux) AC_DEFINE(ETHR_HAVE_PTHREAD_SETNAME_NP_2, 1, + case $with_threadnames-$pthread_setname in + yes-linux) AC_DEFINE(ETHR_HAVE_PTHREAD_SETNAME_NP_2, 1, [Define if you have linux style pthread_setname_np]);; - bsd) AC_DEFINE(ETHR_HAVE_PTHREAD_SET_NAME_NP_2, 1, + yes-bsd) AC_DEFINE(ETHR_HAVE_PTHREAD_SET_NAME_NP_2, 1, [Define if you have bsd style pthread_set_name_np]);; - darwin) AC_DEFINE(ETHR_HAVE_PTHREAD_SETNAME_NP_1, 1, + yes-darwin) AC_DEFINE(ETHR_HAVE_PTHREAD_SETNAME_NP_1, 1, [Define if you have darwin style pthread_setname_np]);; *) ;; esac diff --git a/erts/configure.in b/erts/configure.in index e1233cee59..1c4a3e90ef 100644 --- a/erts/configure.in +++ b/erts/configure.in @@ -1911,7 +1911,25 @@ case X$erl_xcomp_bigendian in *) AC_MSG_ERROR([Bad erl_xcomp_bigendian value: $erl_xcomp_bigendian]);; esac -AC_C_BIGENDIAN +AC_C_BIGENDIAN( + [ + AC_DEFINE([WORDS_BIGENDIAN], [1], [Define if big-endian]) + AC_DEFINE([ERTS_ENDIANNESS], [1], [Define > 0 if big-endian < 0 if little-endian, or 0 if unknown]) + ], + [ + AC_DEFINE([ERTS_ENDIANNESS], [-1], [Define > 0 if big-endian < 0 if little-endian, or 0 if unknown]) + ], + [ + case "$erl_xcomp_bigendian" in + yes) + AC_DEFINE([ERTS_ENDIANNESS], [1], [Define > 0 if big-endian < 0 if little-endian, or 0 if unknown]);; + no) + AC_DEFINE([ERTS_ENDIANNESS], [-1], [Define > 0 if big-endian < 0 if little-endian, or 0 if unknown]);; + *) + AC_DEFINE([ERTS_ENDIANNESS], [0], [Define > 0 if big-endian < 0 if little-endian, or 0 if unknown]);; + esac + ]) + AC_C_DOUBLE_MIDDLE_ENDIAN dnl fdatasync syscall (Unix only) diff --git a/erts/doc/src/absform.xml b/erts/doc/src/absform.xml index fe8e3b30e7..ec00955ccd 100644 --- a/erts/doc/src/absform.xml +++ b/erts/doc/src/absform.xml @@ -4,7 +4,7 @@ <chapter> <header> <copyright> - <year>2001</year><year>2016</year> + <year>2001</year><year>2017</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -182,10 +182,18 @@ can contain the following:</p> <list type="bulleted"> - <item>Tuples <c>{error,E}</c> and <c>{warning,W}</c>, denoting - syntactically incorrect forms and warnings</item> - <item><c>{eof,LINE}</c>, denoting an end-of-stream - encountered before a complete form had been parsed</item> + <item> + <p>Tuples <c>{error,E}</c> and <c>{warning,W}</c>, denoting + syntactically incorrect forms and warnings. + </p> + </item> + <item> + <p><c>{eof,LOCATION}</c>, denoting an end-of-stream + encountered before a complete form had been parsed. + The word <c>LOCATION</c> represents an integer, and denotes the + number of the last line in the source file. + </p> + </item> </list> </section> </section> diff --git a/erts/doc/src/erl.xml b/erts/doc/src/erl.xml index 4e32118405..29fef7348b 100644 --- a/erts/doc/src/erl.xml +++ b/erts/doc/src/erl.xml @@ -638,7 +638,7 @@ this value also applies to command-line parameters and environment variables (see section <seealso marker="stdlib:unicode_usage#unicode_in_environment_and_parameters"> - Unicode in Enviroment and Parameters</seealso> in the STDLIB + Unicode in Environment and Parameters</seealso> in the STDLIB User's Guide).</p> </item> <tag><c><![CDATA[+fnu[{w|i|e}]]]></c></tag> @@ -674,7 +674,7 @@ this value also applies to command-line parameters and environment variables (see section <seealso marker="stdlib:unicode_usage#unicode_in_environment_and_parameters"> - Unicode in Enviroment and Parameters</seealso> in the STDLIB + Unicode in Environment and Parameters</seealso> in the STDLIB User's Guide).</p> </item> <tag><c><![CDATA[+fna[{w|i|e}]]]></c></tag> @@ -695,7 +695,7 @@ this value also applies to command-line parameters and environment variables (see section <seealso marker="stdlib:unicode_usage#unicode_in_environment_and_parameters"> - Unicode in Enviroment and Parameters</seealso> in the STDLIB + Unicode in Environment and Parameters</seealso> in the STDLIB User's Guide).</p> </item> <tag><c><![CDATA[+hms Size]]></c></tag> diff --git a/erts/doc/src/erl_driver.xml b/erts/doc/src/erl_driver.xml index d8bf45c523..7fbe97bc0b 100644 --- a/erts/doc/src/erl_driver.xml +++ b/erts/doc/src/erl_driver.xml @@ -1103,8 +1103,7 @@ r = driver_async(myPort, &myKey, myData, myFunc); ]]></code> <marker id="driver_binary_dec_refc"></marker> <p>Decrements the reference count on <c>bin</c> and returns the reference count reached after the decrement.</p> - <p>This function is only thread-safe when the emulator with SMP - support is used.</p> + <p>This function is thread-safe.</p> <note> <p>The reference count of driver binary is normally to be decremented by calling <seealso marker="#driver_free_binary"> @@ -1124,8 +1123,7 @@ r = driver_async(myPort, &myKey, myData, myFunc); ]]></code> <desc> <marker id="driver_binary_get_refc"></marker> <p>Returns the current reference count on <c>bin</c>.</p> - <p>This function is only thread-safe when the emulator with SMP - support is used.</p> + <p>This function is thread-safe.</p> </desc> </func> @@ -1137,8 +1135,7 @@ r = driver_async(myPort, &myKey, myData, myFunc); ]]></code> <marker id="driver_binary_inc_refc"></marker> <p>Increments the reference count on <c>bin</c> and returns the reference count reached after the increment.</p> - <p>This function is only thread-safe when the emulator with SMP - support is used.</p> + <p>This function is thread-safe.</p> </desc> </func> @@ -1434,8 +1431,7 @@ r = driver_async(myPort, &myKey, myData, myFunc); ]]></code> <seealso marker="#driver_alloc_binary"> <c>driver_alloc_binary</c></seealso>. As binaries in Erlang are reference counted, the binary can still be around.</p> - <p>This function is only thread-safe when the emulator with SMP - support is used.</p> + <p>This function is thread-safe.</p> </desc> </func> @@ -1872,8 +1868,7 @@ r = driver_async(myPort, &myKey, myData, myFunc); ]]></code> <p>Resizes a driver binary, while keeping the data.</p> <p>Returns the resized driver binary on success. Returns <c>NULL</c> on failure (out of memory).</p> - <p>This function is only thread-safe when the emulator with SMP - support is used.</p> + <p>This function is thread-safe.</p> </desc> </func> diff --git a/erts/doc/src/erl_ext_dist.xml b/erts/doc/src/erl_ext_dist.xml index 4f799f8f34..a436a9ca74 100644 --- a/erts/doc/src/erl_ext_dist.xml +++ b/erts/doc/src/erl_ext_dist.xml @@ -119,16 +119,11 @@ <tcaption>Compressed Data Format when Expanded</tcaption></table> <marker id="utf8_atoms"/> <note> - <p>As from ERTS 5.10 (OTP R16) support - for UTF-8 encoded atoms has been introduced in the external format. - However, only characters that can be encoded using Latin-1 (ISO-8859-1) - are currently supported in atoms. The support for UTF-8 encoded atoms - in the external format has been implemented to be able to support - all Unicode characters in atoms in <em>some future release</em>. - Until full Unicode support for atoms has been introduced, - it is an <em>error</em> to pass atoms containing - characters that cannot be encoded in Latin-1, and <em>the behavior is - undefined</em>.</p> + <p>As from ERTS 9.0 (OTP 20), UTF-8 encoded atoms may contain any Unicode + character. Although the support for UTF-8 encoded atoms in the external + format is available since ERTS 5.10 (OTP R16), passing atoms that cannot + be encoded in Latin-1 is an <em>error</em> in versions earlier than + Erlang/OTP 20, and <em>the behavior is undefined</em>.</p> <p>When distribution flag <seealso marker="erl_dist_protocol#dflags"> <c>DFLAG_UTF8_ATOMS</c></seealso> has been exchanged between both nodes in the <seealso marker="erl_dist_protocol#distribution_handshake"> diff --git a/erts/doc/src/erl_nif.xml b/erts/doc/src/erl_nif.xml index 74a551d60b..6bb1109415 100644 --- a/erts/doc/src/erl_nif.xml +++ b/erts/doc/src/erl_nif.xml @@ -675,6 +675,18 @@ typedef struct { <p>When receiving data from untrusted sources, use option <c>ERL_NIF_BIN2TERM_SAFE</c>.</p> </item> + <tag><marker id="ErlNifMonitor"/><c>ErlNifMonitor</c></tag> + <item> + <p>This is an opaque data type that identifies a monitor.</p> + <p>The nif writer is to provide the memory for storing the + monitor when calling <seealso marker="#enif_monitor_process"> + <c>enif_monitor_process</c></seealso>. The + address of the data is not stored by the runtime system, so + <c>ErlNifMonitor</c> can be used as any other data, it + can be copied, moved in memory, forgotten, and so on. + To compare two monitors, <seealso marker="#enif_compare_monitors"> + <c>enif_compare_monitors</c></seealso> must be used.</p> + </item> <tag><marker id="ErlNifPid"/><c>ErlNifPid</c></tag> <item> <p>A process identifier (pid). In contrast to pid terms (instances of @@ -696,11 +708,46 @@ typedef struct { Each resource type has a unique name and a destructor function that is called when objects of its type are released.</p> </item> + <tag><marker id="ErlNifResourceTypeInit"/><c>ErlNifResourceTypeInit</c></tag> + <item> + <code type="none"> +typedef struct { + ErlNifResourceDtor* dtor; + ErlNifResourceStop* stop; +} ErlNifResourceTypeInit;</code> + <p>Initialization structure read by <seealso marker="#enif_open_resource_type_x"> + enif_open_resource_type_x</seealso>.</p> + </item> <tag><marker id="ErlNifResourceDtor"/><c>ErlNifResourceDtor</c></tag> <item> <code type="none"> typedef void ErlNifResourceDtor(ErlNifEnv* env, void* obj);</code> <p>The function prototype of a resource destructor function.</p> + <p>The <c>obj</c> argument is a pointer to the resource. The only + allowed use for the resource in the destructor is to access its + user data one final time. The destructor is guaranteed to be the + last callback before the resource is deallocated.</p> + </item> + <tag><marker id="ErlNifResourceDown"/><c>ErlNifResourceDown</c></tag> + <item> + <code type="none"> +typedef void ErlNifResourceDown(ErlNifEnv* env, void* obj, const ErlNifPid* pid, const ErlNifMonitor* mon);</code> + <p>The function prototype of a resource down function, + called on the behalf of <seealso marker="#enif_monitor_process"> + enif_monitor_process</seealso>. <c>obj</c> is the resource, <c>pid</c> + is the identity of the monitored process that is exiting, and <c>mon</c> + is the identity of the monitor. + </p> + </item> + <tag><marker id="ErlNifResourceStop"/><c>ErlNifResourceStop</c></tag> + <item> + <code type="none"> +typedef void ErlNifResourceStop(ErlNifEnv* env, void* obj, ErlNifEvent event, int is_direct_call);</code> + <p>The function prototype of a resource stop function, + called on the behalf of <seealso marker="#enif_select"> + enif_select</seealso>. <c>obj</c> is the resource, <c>event</c> is OS event, + <c>is_direct_call</c> is true if the call is made directly from <c>enif_select</c> + or false if it is a scheduled call (potentially from another thread).</p> </item> <tag><marker id="ErlNifCharEncoding"/><c>ErlNifCharEncoding</c></tag> <item> @@ -875,6 +922,21 @@ typedef enum { </func> <func> + <name><ret>int</ret><nametext>enif_compare_monitors(const ErlNifMonitor + *monitor1, const ErlNifMonitor *monitor2)</nametext></name> + <fsummary>Compare two monitors.</fsummary> + <desc> + <marker id="enif_compare_monitors"></marker> + <p>Compares two <seealso marker="#ErlNifMonitor"><c>ErlNifMonitor</c></seealso>s. + Can also be used to imply some artificial order on monitors, + for whatever reason.</p> + <p>Returns <c>0</c> if <c>monitor1</c> and <c>monitor2</c> are equal, + < <c>0</c> if <c>monitor1</c> < <c>monitor2</c>, and + > <c>0</c> if <c>monitor1</c> > <c>monitor2</c>.</p> + </desc> + </func> + + <func> <name><ret>void</ret> <nametext>enif_cond_broadcast(ErlNifCond *cnd)</nametext></name> <fsummary></fsummary> @@ -1002,6 +1064,30 @@ typedef enum { </func> <func> + <name><ret>int</ret><nametext>enif_demonitor_process(ErlNifEnv* env, void* obj, + const ErlNifMonitor* mon)</nametext></name> + <fsummary>Cancel a process monitor.</fsummary> + <desc> + <marker id="enif_demonitor_process"></marker> + <p>Cancels a monitor created earlier with <seealso marker="#enif_monitor_process"> + <c>enif_monitor_process</c></seealso>. Argument <c>obj</c> is a pointer + to the resource holding the monitor and <c>*mon</c> identifies the monitor.</p> + <p>Returns <c>0</c> if the monitor was successfully identified and removed. + Returns a non-zero value if the monitor could not be identified, which means + it was either</p> + <list type="bulleted"> + <item>never created for this resource</item> + <item>already cancelled</item> + <item>already triggered</item> + <item>just about to be triggered by a concurrent thread</item> + </list> + <p>This function is only thread-safe when the emulator with SMP support + is used. It can only be used in a non-SMP emulator from a NIF-calling + thread.</p> + </desc> + </func> + + <func> <name><ret>int</ret> <nametext>enif_equal_tids(ErlNifTid tid1, ErlNifTid tid2)</nametext> </name> @@ -2117,6 +2203,36 @@ enif_map_iterator_destroy(env, &iter);</code> </func> <func> + <name><ret>int</ret><nametext>enif_monitor_process(ErlNifEnv* env, void* obj, + const ErlNifPid* target_pid, ErlNifMonitor* mon)</nametext></name> + <fsummary>Monitor a process from a resource.</fsummary> + <desc> + <marker id="enif_monitor_process"></marker> + <p>Starts monitoring a process from a resource. When a process is + monitored, a process exit results in a call to the provided + <seealso marker="#ErlNifResourceDown"> + <c>down</c></seealso> callback associated with the resource type.</p> + <p>Argument <c>obj</c> is pointer to the resource to hold the monitor and + <c>*target_pid</c> identifies the local process to be monitored.</p> + <p>If <c>mon</c> is not <c>NULL</c>, a successful call stores the + identity of the monitor in the + <seealso marker="#ErlNifMonitor"><c>ErlNifMonitor</c></seealso> + struct pointed to by <c>mon</c>. This identifier is used to refer to the + monitor for later removal with + <seealso marker="#enif_demonitor_process"><c>enif_demonitor_process</c></seealso> + or compare with + <seealso marker="#enif_compare_monitors"><c>enif_compare_monitors</c></seealso>. + A monitor is automatically removed when it triggers or when + the resource is deallocated.</p> + <p>Returns <c>0</c> on success, < 0 if no <c>down</c> callback is + provided, and > 0 if the process is no longer alive.</p> + <p>This function is only thread-safe when the emulator with SMP support + is used. It can only be used in a non-SMP emulator from a NIF-calling + thread.</p> + </desc> + </func> + + <func> <name><ret>ErlNifTime</ret> <nametext>enif_monotonic_time(ErlNifTimeUnit time_unit)</nametext> </name> @@ -2236,6 +2352,24 @@ enif_map_iterator_destroy(env, &iter);</code> </func> <func> + <name><ret>ErlNifResourceType *</ret> + <nametext>enif_open_resource_type_x(ErlNifEnv* env, const char* name, + ErlNifResourceTypeInit* init, + ErlNifResourceFlags flags, ErlNifResourceFlags* tried)</nametext> + </name> + <fsummary>Create or takeover a resource type.</fsummary> + <desc> + <p>Same as <seealso marker="#enif_open_resource_type"><c>enif_open_resource_type</c></seealso> + except is also accept a <c>stop</c> callback for resource types that are + used together with <seealso marker="#enif_select"><c>enif_select</c></seealso>.</p> + <p>Argument <c>init</c> is a pointer to an + <seealso marker="#ErlNifResourceTypeInit"><c>ErlNifResourceTypeInit</c></seealso> + structure that contains the function pointers for destructor, down and stop callbacks + for the resource type.</p> + </desc> + </func> + + <func> <name><ret>int</ret><nametext>enif_port_command(ErlNifEnv* env, const ErlNifPort* to_port, ErlNifEnv *msg_env, ERL_NIF_TERM msg)</nametext> </name> @@ -2342,7 +2476,7 @@ enif_map_iterator_destroy(env, &iter);</code> <nametext>enif_release_resource(void* obj)</nametext></name> <fsummary>Release a resource object.</fsummary> <desc> - <p>Removes a reference to resource object <c>obj</c>obtained from + <p>Removes a reference to resource object <c>obj</c> obtained from <seealso marker="#enif_alloc_resource"> <c>enif_alloc_resource</c></seealso>. The resource object is destructed when the last reference is removed. @@ -2482,6 +2616,85 @@ enif_map_iterator_destroy(env, &iter);</code> </func> <func> + <name><ret>int</ret> + <nametext>enif_select(ErlNifEnv* env, ErlNifEvent event, enum ErlNifSelectFlags mode, + void* obj, const ErlNifPid* pid, ERL_NIF_TERM ref)</nametext> + </name> + <fsummary>Manage subscription on IO event.</fsummary> + <desc> + <p>This function can be used to receive asynchronous notifications + when OS-specific event objects become ready for either read or write operations.</p> + <p>Argument <c>event</c> identifies the event object. On Unix + systems, the functions <c>select</c>/<c>poll</c> are used. The event + object must be a socket, pipe or other file descriptor object that + <c>select</c>/<c>poll</c> can use.</p> + <p>Argument <c>mode</c> describes the type of events to wait for. It can be + <c>ERL_NIF_SELECT_READ</c>, <c>ERL_NIF_SELECT_WRITE</c> or a bitwise + OR combination to wait for both. It can also be <c>ERL_NIF_SELECT_STOP</c> + which is described further below. When a read or write event is triggerred, + a notification message like this is sent to the process identified by + <c>pid</c>:</p> + <code type="none">{select, Obj, Ref, ready_input | ready_output}</code> + <p><c>ready_input</c> or <c>ready_output</c> indicates if the event object + is ready for reading or writing.</p> + <p>Argument <c>pid</c> may be <c>NULL</c> to indicate the calling process.</p> + <p>Argument <c>obj</c> is a resource object obtained from + <seealso marker="#enif_alloc_resource"><c>enif_alloc_resource</c></seealso>. + The purpose of the resource objects is as a container of the event object + to manage its state and lifetime. A handle to the resource is received + in the notification message as <c>Obj</c>.</p> + <p>Argument <c>ref</c> must be either a reference obtained from + <seealso marker="erlang#make_ref-0"><c>erlang:make_ref/0</c></seealso> + or the atom <c>undefined</c>. It will be passed as <c>Ref</c> in the notifications. + If a selective <c>receive</c> statement is used to wait for the notification + then a reference created just before the <c>receive</c> will exploit a runtime + optimization that bypasses all earlier received messages in the queue.</p> + <p>The notifications are one-shot only. To receive further notifications of the same + type (read or write), repeated calls to <c>enif_select</c> must be made + after receiving each notification.</p> + <p>Use <c>ERL_NIF_SELECT_STOP</c> as <c>mode</c> in order to safely + close an event object that has been passed to <c>enif_select</c>. The + <seealso marker="#ErlNifResourceStop"><c>stop</c></seealso> callback + of the resource <c>obj</c> will be called when it is safe to close + the event object. This safe way of closing event objects must be used + even if all notifications have been received and no further calls to + <c>enif_select</c> have been made.</p> + <p>Returns a non-negative value on success where the following bits can be set:</p> + <taglist> + <tag><c>ERL_NIF_SELECT_STOP_CALLED</c></tag> + <item>The stop callback was called directly by <c>enif_select</c>.</item> + <tag><c>ERL_NIF_SELECT_STOP_SCHEDULED</c></tag> + <item>The stop callback was scheduled to run on some other thread + or later by this thread.</item> + </taglist> + <p>Returns a negative value if the call failed where the follwing bits can be set:</p> + <taglist> + <tag><c>ERL_NIF_SELECT_INVALID_EVENT</c></tag> + <item>Argument <c>event</c> is not a valid OS event object.</item> + <tag><c>ERL_NIF_SELECT_FAILED</c></tag> + <item>The system call failed to add the event object to the poll set.</item> + </taglist> + <note> + <p>Use bitwise AND to test for specific bits in the return vaue. + New significant bits may be added in future releases to give more detailed + information for both failed and successful calls. Do NOT use equallity tests + like <c>==</c>, as that may cause your application to stop working.</p> + <p>Example:</p> + <code type="none"> +retval = enif_select(env, fd, ERL_NIF_SELECT_STOP, resource, ref); +if (retval < 0) { + /* handle error */ +} +/* Success! */ +if (retval & ERL_NIF_SELECT_STOP_CALLED) { + /* ... */ +} +</code> + </note> + </desc> + </func> + + <func> <name><ret>ErlNifPid *</ret> <nametext>enif_self(ErlNifEnv* caller_env, ErlNifPid* pid)</nametext> </name> diff --git a/erts/doc/src/erl_tracer.xml b/erts/doc/src/erl_tracer.xml index 43613c31b1..2681a19da0 100644 --- a/erts/doc/src/erl_tracer.xml +++ b/erts/doc/src/erl_tracer.xml @@ -103,7 +103,7 @@ <item>If set the tracer has been requested to include a time stamp.</item> <tag><c>extra</c></tag> - <item>If set the tracepoint has included additonal data about + <item>If set the tracepoint has included additional data about the trace event. What the additional data is depends on which <c>TraceTag</c> has been triggered. The <c>extra</c> trace data corresponds to the fifth element in the trace tuples described in diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml index 2859f22bf4..cb2cdec606 100644 --- a/erts/doc/src/erlang.xml +++ b/erts/doc/src/erlang.xml @@ -325,16 +325,11 @@ Z = erlang:adler32_combine(X,Y,iolist_size(Data2)).</code> is <c>latin1</c>, one byte exists for each character in the text representation. If <c><anno>Encoding</anno></c> is <c>utf8</c> or - <c>unicode</c>, the characters are encoded using UTF-8 - (that is, characters from 128 through 255 are - encoded in two bytes).</p> + <c>unicode</c>, the characters are encoded using UTF-8 where + characters may require multiple bytes.</p> <note> - <p><c>atom_to_binary(<anno>Atom</anno>, latin1)</c> never - fails, as the text representation of an atom can only - contain characters from 0 through 255. In a future release, - the text representation - of atoms can be allowed to contain any Unicode character and - <c>atom_to_binary(<anno>Atom</anno>, latin1)</c> then fails if the + <p>As from Erlang/OTP 20, atoms can contain any Unicode character + and <c>atom_to_binary(<anno>Atom</anno>, latin1)</c> may fail if the text representation for <c><anno>Atom</anno></c> contains a Unicode character > 255.</p> </note> @@ -402,13 +397,11 @@ Z = erlang:adler32_combine(X,Y,iolist_size(Data2)).</code> translation of bytes in the binary is done. If <c><anno>Encoding</anno></c> is <c>utf8</c> or <c>unicode</c>, the binary must contain - valid UTF-8 sequences. Only Unicode characters up - to 255 are allowed.</p> + valid UTF-8 sequences.</p> <note> - <p><c>binary_to_atom(<anno>Binary</anno>, utf8)</c> fails if - the binary contains Unicode characters > 255. - In a future release, such Unicode characters can be allowed and - <c>binary_to_atom(<anno>Binary</anno>, utf8)</c> does then not fail. + <p>As from Erlang/OTP 20, <c>binary_to_atom(<anno>Binary</anno>, utf8)</c> + is capable of encoding any Unicode character. Earlier versions would + fail if the binary contained Unicode characters > 255. For more information about Unicode support in atoms, see the <seealso marker="erl_ext_dist#utf8_atoms">note on UTF-8 encoded atoms</seealso> @@ -419,9 +412,7 @@ Z = erlang:adler32_combine(X,Y,iolist_size(Data2)).</code> > <input>binary_to_atom(<<"Erlang">>, latin1).</input> 'Erlang' > <input>binary_to_atom(<<1024/utf8>>, utf8).</input> -** exception error: bad argument - in function binary_to_atom/2 - called as binary_to_atom(<<208,128>>,utf8)</pre> +'Ѐ'</pre> </desc> </func> @@ -2381,10 +2372,10 @@ os_prompt%</pre> <desc> <p>Returns the atom whose text representation is <c><anno>String</anno></c>.</p> - <p><c><anno>String</anno></c> can only contain ISO-latin-1 - characters (that is, numbers < 256) as the implementation does not - allow Unicode characters equal to or above 256 in atoms. - For more information on Unicode support in atoms, see + <p>As from Erlang/OTP 20, <c><anno>String</anno></c> may contain + any Unicode character. Earlier versions allowed only ISO-latin-1 + characters as the implementation did not allow Unicode characters + above 255. For more information on Unicode support in atoms, see <seealso marker="erl_ext_dist#utf8_atoms">note on UTF-8 encoded atoms</seealso> in section "External Term Format" in the User's Guide.</p> @@ -3832,10 +3823,6 @@ RealSystem = system + MissedSystem</code> <desc> <p>Returns a string corresponding to the text representation of <c><anno>Pid</anno></c>.</p> - <warning> - <p>This BIF is intended for debugging and is not to be used - in application programs.</p> - </warning> </desc> </func> @@ -4408,10 +4395,6 @@ RealSystem = system + MissedSystem</code> <desc> <p>Returns a string corresponding to the text representation of the port identifier <c><anno>Port</anno></c>.</p> - <warning> - <p>This BIF is intended for debugging. It is not to be used - in application programs.</p> - </warning> </desc> </func> @@ -4608,7 +4591,7 @@ RealSystem = system + MissedSystem</code> <p>If the process potentially can get many messages, you are advised to set the flag to <c>off_heap</c>. This because a garbage collection with many messages placed on - the heap can become extremly expensive and the process can + the heap can become extremely expensive and the process can consume large amounts of memory. Performance of the actual message passing is however generally better when not using flag <c>off_heap</c>.</p> @@ -4880,7 +4863,9 @@ RealSystem = system + MissedSystem</code> <p><c><anno>BinInfo</anno></c> is a list containing miscellaneous information about binaries currently referred to by this process. This <c><anno>InfoTuple</anno></c> can be changed or - removed without prior notice.</p> + removed without prior notice. In the current implementation + <c><anno>BinInfo</anno></c> is a list of tuples. The tuples + contain; <c>BinaryId</c>, <c>BinarySize</c>, <c>BinaryRefcCount</c>.</p> </item> <tag><c>{catchlevel, <anno>CatchLevel</anno>}</c></tag> <item> diff --git a/erts/doc/src/erts_alloc.xml b/erts/doc/src/erts_alloc.xml index 8ab35851c1..b11328c3a8 100644 --- a/erts/doc/src/erts_alloc.xml +++ b/erts/doc/src/erts_alloc.xml @@ -452,7 +452,7 @@ utilization value > 0 is used, allocator instances are allowed to abandon multiblock carriers. If <c>de</c> (default enabled) is passed instead of a <c><![CDATA[<utilization>]]></c>, - a recomended non-zero utilization value is used. The value + a recommended non-zero utilization value is used. The value chosen depends on the allocator type and can be changed between ERTS versions. Defaults to <c>de</c>, but this can be changed in the future.</p> @@ -595,7 +595,7 @@ </item> <tag><marker id="M_sbct"/><c><![CDATA[+M<S>sbct <size>]]></c></tag> <item> - <p>Singleblock carrier threshold. Blocks larger than this + <p>Singleblock carrier threshold (in kilobytes). Blocks larger than this threshold are placed in singleblock carriers. Blocks smaller than this threshold are placed in multiblock carriers. On 32-bit Unix style OS this threshold cannot be set diff --git a/erts/doc/src/notes.xml b/erts/doc/src/notes.xml index 812538729d..1c1fd89825 100644 --- a/erts/doc/src/notes.xml +++ b/erts/doc/src/notes.xml @@ -32,8 +32,248 @@ <p>This document describes the changes made to the ERTS application.</p> -<section><title>Erts 8.2.1</title> +<section><title>Erts 8.3</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p>Fixed a number of bugs that caused faulty stack-traces + to be generated. The faulty stack traces were generated + either when applying the following functions or tracing + the following functions:</p> <list> + <item><c>erlang:error/1</c></item> + <item><c>erlang:error/2</c></item> + <item><c>erlang:exit/1</c></item> + <item><c>erlang:throw/1</c></item> </list> + <p> + Own Id: OTP-14055</p> + </item> + <item> + <p> + Corrected documentation about memory footprint for maps.</p> + <p> + Own Id: OTP-14118</p> + </item> + <item> + <p> + Fix <c>process_info(Pid, current_stacktrace)</c> to use + stack depth limit set by + <c>system_flag(backtrace_depth)</c>. The old behavior was + a hard coded depth limit of 8.</p> + <p> + Own Id: OTP-14119 Aux Id: PR-1263 </p> + </item> + <item> + <p> + A process calling <seealso + marker="erlang#system_flag_multi_scheduling"><c>erlang:system_flag(multi_scheduling, + block)</c></seealso> could end up hanging forever in the + call.</p> + <p> + Own Id: OTP-14121</p> + </item> + <item> + <p>Dirty scheduler bug fixes:</p> <list> <item><p>Fixed + call time tracing of process being scheduled on dirty + scheduler.</p></item> <item><p>GC info from dirty + schedulers.</p></item> <item><p>Multi scheduling block + with dirty schedulers could crash the runtime + system.</p></item> <item><p>Process structures could be + removed prematurely.</p></item> <item><p>GC on dirty + scheduler could crash the runtime system.</p></item> + <item><p>Termination of a process executing on a dirty + scheduler could cause a runtime system crash.</p></item> + </list> + <p> + Own Id: OTP-14122</p> + </item> + <item> + <p> + Fixed crash that occurred when writing timer data to a + crash dump.</p> + <p> + Own Id: OTP-14133</p> + </item> + <item> + <p> + A literal area could be removed while still referred from + processes.</p> + <p> + Own Id: OTP-14134</p> + </item> + <item> + <p> + Fixed a bug in the garbage collector that could crash the + runtime system.</p> + <p> + Own Id: OTP-14135</p> + </item> + <item> + <p> + Fixed a bug in call-time trace for NIFs which caused + tracing to erroneously be started multiple times for one + call.</p> + <p> + Own Id: OTP-14136</p> + </item> + <item> + <p> + Remove a debug printout and an unnecessary garbage + collection when handling exceptions in hipe compiled + code.</p> + <p> + Own Id: OTP-14153</p> + </item> + <item> + <p> + Fix bug in tracing of garbage collection that could cause + VM crash. Bug exists since OTP 19.0.</p> + <p> + Own Id: OTP-14154</p> + </item> + <item> + <p> + Fix bug in <c>binary_to_term</c> for binaries created by + <c>term_to_binary </c> with option <c>compressed</c>. The + bug can cause <c>badarg</c> exception for a valid binary + when Erlang VM is linked against a <c>zlib</c> library of + version 1.2.9 or newer. Bug exists since OTP 17.0.</p> + <p> + Own Id: OTP-14159 Aux Id: ERL-340 </p> + </item> + <item> + <p> + Fix suspension of schedulers when generating a crashdump.</p> + <p> + Own Id: OTP-14164</p> + </item> + <item> + <p>NIF resources was not handled in a thread-safe manner + in the runtime system without SMP support.</p> + <p>As a consequence of this fix, the following driver + functions are now thread-safe also in the runtime system + without SMP support:</p> <list> + <item><p><c>driver_free_binary()</c></p></item> + <item><p><c>driver_realloc_binary()</c></p></item> + <item><p><c>driver_binary_get_refc()</c></p></item> + <item><p><c>driver_binary_inc_refc()</c></p></item> + <item><p><c>driver_binary_dec_refc()</c></p></item> + </list> + <p> + Own Id: OTP-14202</p> + </item> + <item> + <p> + Fix <c>erlang:round/1</c> for large floating point + numbers with an odd absolute value between <c>(1 bsl + 52)</c> and <c>(1 bsl 53)</c>. The result was falsely + calculated as the next higher even number even though all + integer values up to <c>(1 bsl 53)</c> can be represented + as floats with full precision.</p> + <p> + Own Id: OTP-14227</p> + </item> + <item> + <p> + Add size of literals to module code size in crash dump + and <c>(l)oaded</c> command in break menu like it used to + be before OTP-19.0.</p> + <p> + Own Id: OTP-14228</p> + </item> + <item> + <p> + Fix potential bug in <c>enif_send</c> when called without + a process context and with argument <c>msg_env</c> as + <c>NULL</c>.</p> + <p> + Own Id: OTP-14229</p> + </item> + <item> + <p> + Fix bug where passing an appendable binary to + <c>erlang:port_control()</c> could crash the emulator.</p> + <p> + Own Id: OTP-14231</p> + </item> + <item> + <p> + Receive expressions with timeout in the Erlang shell + could cause a VM crash.</p> + <p> + Own Id: OTP-14241 Aux Id: ERL-365 </p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + A received SIGTERM signal to beam will generate a + <c>'stop'</c> message to the <c>init</c> process and + terminate the Erlang VM nicely. This is equivalent to + calling <c>init:stop/0</c>.</p> + <p> + Own Id: OTP-14085</p> + </item> + <item> + <p> + Workaround for buggy Android implementation of + <c>PTHREAD_STACK_MIN</c> causing build of runtime system + to crash on undeclared <c>PAGE_SIZE</c>.</p> + <p> + Own Id: OTP-14165 Aux Id: ERL-319 </p> + </item> + <item> + <p> + Add configure option --without-thread-names that removes + the naming of individual emulator threads.</p> + <p> + Own Id: OTP-14234</p> + </item> + <item> + <p> + Add warning in documentation of <c>zlib:deflateInit/6</c> + about option <c>WindowsBits</c> values 8 and -8.</p> + <p> + Own Id: OTP-14254 Aux Id: ERL-362 </p> + </item> + </list> + </section> +</section> + +<section><title>Erts 8.2.2</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Fix bug in <c>binary_to_term</c> for binaries created by + <c>term_to_binary </c> with option <c>compressed</c>. The + bug can cause <c>badarg</c> exception for a valid binary + when Erlang VM is linked against a <c>zlib</c> library of + version 1.2.9 or newer. Bug exists since OTP 17.0.</p> + <p> + Own Id: OTP-14159 Aux Id: ERL-340 </p> + </item> + <item> + <p> + The driver efile_drv when opening a file now use fstat() + on the open file instead of stat() before opening, if + fstat() exists. This avoids a race when the file happens + to change between stat() and open().</p> + <p> + Own Id: OTP-14184 Aux Id: seq-13266 </p> + </item> + </list> + </section> + +</section> + +<section><title>Erts 8.2.1</title> <section><title>Fixed Bugs and Malfunctions</title> <list> <item> @@ -537,7 +777,7 @@ <list> <item> <p> - Fixed a VM crash that occured in a garbage collection of + Fixed a VM crash that occurred in a garbage collection of a process when it had received binaries. This bug was introduced in ERTS version 8.0 (OTP 19.0).</p> <p> @@ -554,7 +794,7 @@ <list> <item> <p> - Fixed a VM crash that occured in garbage collection of a + Fixed a VM crash that occurred in garbage collection of a process when it had received maps over the distribution. This bug was introduced in ERTS version 8.0 (OTP 19.0).</p> <p> @@ -5655,7 +5895,7 @@ dependent, so applications aiming to be portable should consider using <c>{ipv6_v6only,true}</c> when creating an <c>inet6</c> listening/destination socket, and if - neccesary also create an <c>inet</c> socket on the same + necessary also create an <c>inet</c> socket on the same port for IPv4 traffic. See the documentation.</p> <p> Own Id: OTP-8928 Aux Id: kunagi-193 [104] </p> @@ -6036,7 +6276,7 @@ This change of default value will reduce lock contention on ETS tables using the <c>read_concurrency</c> option at the expense of memory consumption when the amount of - schedulers and logical processors are beween 8 and 64. + schedulers and logical processors are between 8 and 64. For more information, see documentation of the <c>+rg</c> command line argument of <c>erl(1)</c>.</p> <p> @@ -7013,7 +7253,7 @@ <p> For the subsection about process_flag(save_calls, N) there's an unrelated paragraph about process priorities - which was copied from the preceeding subsection regarding + which was copied from the preceding subsection regarding process_flag(priority, Level). (Thanks to Filipe David Manana)</p> <p> @@ -8228,7 +8468,7 @@ <item> <p> Wx on MacOS X generated complains on stderr about certain - cocoa functions not beeing called from the "Main thread". + cocoa functions not being called from the "Main thread". This is now corrected.</p> <p> Own Id: OTP-9081</p> @@ -9219,7 +9459,7 @@ </item> <item> <p>The <c>empd</c> program could loop and consume 100% - CPU time if an unexpected error ocurred in + CPU time if an unexpected error occurred in <c>listen()</c> or <c>accept()</c>. Now <c>epmd</c> will terminate if a non-recoverable error occurs. (Thanks to Michael Santos.)</p> diff --git a/erts/doc/src/zlib.xml b/erts/doc/src/zlib.xml index e1924fffee..04fcc4285d 100644 --- a/erts/doc/src/zlib.xml +++ b/erts/doc/src/zlib.xml @@ -315,6 +315,15 @@ list_to_binary([B1,B2])</pre> <c><anno>WindowBits</anno></c> value suppresses the zlib header (and checksum) from the stream. Notice that the zlib source mentions this only as a undocumented feature.</p> + <warning> + <p>Due to a known bug in the underlying zlib library, <c>WindowBits</c> values 8 and -8 + do not work as expected. In zlib versions before 1.2.9 values + 8 and -8 are automatically changed to 9 and -9. <em>From zlib version 1.2.9 + value -8 is rejected</em> causing <c>zlib:deflateInit/6</c> to fail + (8 is still changed to 9). It also seem possible that future versions + of zlib may fix this bug and start accepting 8 and -8 as is.</p> + <p>Conclusion: Avoid values 8 and -8 unless you know your zlib version supports them.</p> + </warning> </item> <tag><c><anno>MemLevel</anno></c></tag> <item> diff --git a/erts/emulator/beam/atom.c b/erts/emulator/beam/atom.c index 2b5ad097a0..2055c29190 100644 --- a/erts/emulator/beam/atom.c +++ b/erts/emulator/beam/atom.c @@ -233,10 +233,10 @@ need_convertion: } /* - * erts_atom_put() may fail. If it fails THE_NON_VALUE is returned! + * erts_atom_put_index() may fail. Returns negative indexes for errors. */ -Eterm -erts_atom_put(const byte *name, int len, ErtsAtomEncoding enc, int trunc) +int +erts_atom_put_index(const byte *name, int len, ErtsAtomEncoding enc, int trunc) { byte utf8_copy[MAX_ATOM_SZ_FROM_LATIN1]; const byte *text = name; @@ -253,7 +253,7 @@ erts_atom_put(const byte *name, int len, ErtsAtomEncoding enc, int trunc) if (trunc) tlen = 0; else - return THE_NON_VALUE; + return ATOM_MAX_CHARS_ERROR; } switch (enc) { @@ -262,7 +262,7 @@ erts_atom_put(const byte *name, int len, ErtsAtomEncoding enc, int trunc) if (trunc) tlen = MAX_ATOM_CHARACTERS; else - return THE_NON_VALUE; + return ATOM_MAX_CHARS_ERROR; } #ifdef DEBUG for (aix = 0; aix < len; aix++) { @@ -276,7 +276,7 @@ erts_atom_put(const byte *name, int len, ErtsAtomEncoding enc, int trunc) if (trunc) tlen = MAX_ATOM_CHARACTERS; else - return THE_NON_VALUE; + return ATOM_MAX_CHARS_ERROR; } no_latin1_chars = tlen; latin1_to_utf8(utf8_copy, &text, &tlen); @@ -284,7 +284,7 @@ erts_atom_put(const byte *name, int len, ErtsAtomEncoding enc, int trunc) case ERTS_ATOM_ENC_UTF8: /* First sanity check; need to verify later */ if (tlen > MAX_ATOM_SZ_LIMIT && !trunc) - return THE_NON_VALUE; + return ATOM_MAX_CHARS_ERROR; break; } @@ -295,7 +295,7 @@ erts_atom_put(const byte *name, int len, ErtsAtomEncoding enc, int trunc) atom_read_unlock(); if (aix >= 0) { /* Already in table no need to verify it */ - return make_atom(aix); + return aix; } if (enc == ERTS_ATOM_ENC_UTF8) { @@ -314,13 +314,13 @@ erts_atom_put(const byte *name, int len, ErtsAtomEncoding enc, int trunc) case ERTS_UTF8_OK_MAX_CHARS: /* Truncated... */ if (!trunc) - return THE_NON_VALUE; + return ATOM_MAX_CHARS_ERROR; ASSERT(no_chars == MAX_ATOM_CHARACTERS); tlen = err_pos - text; break; default: /* Bad utf8... */ - return THE_NON_VALUE; + return ATOM_BAD_ENCODING_ERROR; } } @@ -333,7 +333,20 @@ erts_atom_put(const byte *name, int len, ErtsAtomEncoding enc, int trunc) atom_write_lock(); aix = index_put(&erts_atom_table, (void*) &a); atom_write_unlock(); - return make_atom(aix); + return aix; +} + +/* + * erts_atom_put() may fail. If it fails THE_NON_VALUE is returned! + */ +Eterm +erts_atom_put(const byte *name, int len, ErtsAtomEncoding enc, int trunc) +{ + int aix = erts_atom_put_index(name, len, enc, trunc); + if (aix >= 0) + return make_atom(aix); + else + return THE_NON_VALUE; } Eterm diff --git a/erts/emulator/beam/atom.h b/erts/emulator/beam/atom.h index abd3b44993..be998a46bd 100644 --- a/erts/emulator/beam/atom.h +++ b/erts/emulator/beam/atom.h @@ -29,6 +29,8 @@ #define MAX_ATOM_SZ_LIMIT (4*MAX_ATOM_CHARACTERS) /* theoretical byte limit */ #define ATOM_LIMIT (1024*1024) #define MIN_ATOM_TABLE_SIZE 8192 +#define ATOM_BAD_ENCODING_ERROR -1 +#define ATOM_MAX_CHARS_ERROR -2 #ifndef ARCH_32 /* Internal atom cache needs MAX_ATOM_TABLE_SIZE to be less than an @@ -133,6 +135,7 @@ int atom_table_sz(void); /* table size in bytes, excluding stored objects */ Eterm am_atom_put(const char*, int); /* ONLY 7-bit ascii! */ Eterm erts_atom_put(const byte *name, int len, ErtsAtomEncoding enc, int trunc); +int erts_atom_put_index(const byte *name, int len, ErtsAtomEncoding enc, int trunc); void init_atom_table(void); void atom_info(fmtfn_t, void *); void dump_atoms(fmtfn_t, void *); diff --git a/erts/emulator/beam/atom.names b/erts/emulator/beam/atom.names index dd0a42b5ba..df2866b40e 100644 --- a/erts/emulator/beam/atom.names +++ b/erts/emulator/beam/atom.names @@ -195,6 +195,7 @@ atom current_stacktrace atom data atom debug_flags atom decimals +atom default atom delay_trap atom dexit atom depth @@ -245,6 +246,7 @@ atom Eq='=:=' atom Eqeq='==' atom erl_tracer atom erlang +atom erl_signal_server atom ERROR='ERROR' atom error_handler atom error_logger @@ -312,6 +314,7 @@ atom global atom Gt='>' atom grun atom group_leader +atom handle atom have_dt_utag atom heap_block_size atom heap_size @@ -376,6 +379,7 @@ atom long_schedule atom low atom Lt='<' atom machine +atom magic_ref atom major atom match atom match_limit @@ -572,7 +576,7 @@ atom running_procs atom runtime atom safe atom save_calls -atom scheduler +atom scheduler atom scheduler_id atom scheduler_wall_time atom scheduler_wall_time_all @@ -600,6 +604,19 @@ atom set_tcw atom set_tcw_fake atom separate atom shared +atom sighup +atom sigterm +atom sigusr1 +atom sigusr2 +atom sigill +atom sigchld +atom sigabrt +atom sigalrm +atom sigstop +atom sigint +atom sigsegv +atom sigtstp +atom sigquit atom silent atom size atom sl_alloc diff --git a/erts/emulator/beam/beam_bif_load.c b/erts/emulator/beam/beam_bif_load.c index a5891a0ec2..4ba8c2a669 100644 --- a/erts/emulator/beam/beam_bif_load.c +++ b/erts/emulator/beam/beam_bif_load.c @@ -156,11 +156,13 @@ BIF_RETTYPE code_make_stub_module_3(BIF_ALIST_3) Module* modp; Eterm res, mod; - if (!ERTS_TERM_IS_MAGIC_BINARY(BIF_ARG_1) || - is_not_atom(mod = erts_module_for_prepared_code - (((ProcBin*)binary_val(BIF_ARG_1))->val))) { + if (!is_internal_magic_ref(BIF_ARG_1)) + BIF_ERROR(BIF_P, BADARG); + + mod = erts_module_for_prepared_code(erts_magic_ref2bin(BIF_ARG_1)); + + if (is_not_atom(mod)) BIF_ERROR(BIF_P, BADARG); - } if (!erts_try_seize_code_write_permission(BIF_P)) { ERTS_BIF_YIELD3(bif_export[BIF_code_make_stub_module_3], @@ -229,8 +231,8 @@ prepare_loading_2(BIF_ALIST_2) res = TUPLE2(hp, am_error, reason); BIF_RET(res); } - hp = HAlloc(BIF_P, PROC_BIN_SIZE); - res = erts_mk_magic_binary_term(&hp, &MSO(BIF_P), magic); + hp = HAlloc(BIF_P, ERTS_MAGIC_REF_THING_SIZE); + res = erts_mk_magic_ref(&hp, &MSO(BIF_P), magic); erts_refc_dec(&magic->refc, 1); BIF_RET(res); } @@ -239,15 +241,13 @@ BIF_RETTYPE has_prepared_code_on_load_1(BIF_ALIST_1) { Eterm res; - ProcBin* pb; - if (!ERTS_TERM_IS_MAGIC_BINARY(BIF_ARG_1)) { + if (!is_internal_magic_ref(BIF_ARG_1)) { error: BIF_ERROR(BIF_P, BADARG); } - pb = (ProcBin*) binary_val(BIF_ARG_1); - res = erts_has_code_on_load(pb->val); + res = erts_has_code_on_load(erts_magic_ref2bin(BIF_ARG_1)); if (res == NIL) { goto error; } @@ -333,13 +333,11 @@ finish_loading_1(BIF_ALIST_1) for (i = 0; i < n; i++) { Eterm* cons = list_val(BIF_ARG_1); Eterm term = CAR(cons); - ProcBin* pb; - if (!ERTS_TERM_IS_MAGIC_BINARY(term)) { + if (!is_internal_magic_ref(term)) { goto badarg; } - pb = (ProcBin*) binary_val(term); - p[i].code = pb->val; + p[i].code = erts_magic_ref2bin(term); p[i].module = erts_module_for_prepared_code(p[i].code); if (p[i].module == NIL) { goto badarg; diff --git a/erts/emulator/beam/beam_bp.c b/erts/emulator/beam/beam_bp.c index 27329a339e..b32c74ce7a 100644 --- a/erts/emulator/beam/beam_bp.c +++ b/erts/emulator/beam/beam_bp.c @@ -392,17 +392,17 @@ consolidate_bp_data(Module* modp, ErtsCodeInfo *ci, int local) } if (flags & ERTS_BPF_META_TRACE) { dst->meta_tracer = src->meta_tracer; - erts_refc_inc(&dst->meta_tracer->refc, 1); + erts_smp_refc_inc(&dst->meta_tracer->refc, 1); dst->meta_ms = src->meta_ms; MatchSetRef(dst->meta_ms); } if (flags & ERTS_BPF_COUNT) { dst->count = src->count; - erts_refc_inc(&dst->count->refc, 1); + erts_smp_refc_inc(&dst->count->refc, 1); } if (flags & ERTS_BPF_TIME_TRACE) { dst->time = src->time; - erts_refc_inc(&dst->time->refc, 1); + erts_smp_refc_inc(&dst->time->refc, 1); ASSERT(dst->time->hash); } } @@ -1576,7 +1576,7 @@ set_function_break(ErtsCodeInfo *ci, Binary *match_spec, Uint break_flags, MatchSetRef(match_spec); bp->meta_ms = match_spec; bmt = Alloc(sizeof(BpMetaTracer)); - erts_refc_init(&bmt->refc, 1); + erts_smp_refc_init(&bmt->refc, 1); erts_tracer_update(&meta_tracer, tracer); /* copy tracer */ erts_smp_atomic_init_nob(&bmt->tracer, (erts_aint_t)meta_tracer); bp->meta_tracer = bmt; @@ -1585,7 +1585,7 @@ set_function_break(ErtsCodeInfo *ci, Binary *match_spec, Uint break_flags, ASSERT((bp->flags & ERTS_BPF_COUNT) == 0); bcp = Alloc(sizeof(BpCount)); - erts_refc_init(&bcp->refc, 1); + erts_smp_refc_init(&bcp->refc, 1); erts_smp_atomic_init_nob(&bcp->acount, 0); bp->count = bcp; } else if (break_flags & ERTS_BPF_TIME_TRACE) { @@ -1594,7 +1594,7 @@ set_function_break(ErtsCodeInfo *ci, Binary *match_spec, Uint break_flags, ASSERT((bp->flags & ERTS_BPF_TIME_TRACE) == 0); bdt = Alloc(sizeof(BpDataTime)); - erts_refc_init(&bdt->refc, 1); + erts_smp_refc_init(&bdt->refc, 1); #ifdef ERTS_DIRTY_SCHEDULERS bdt->n = erts_no_schedulers + 1; #else @@ -1664,7 +1664,7 @@ clear_function_break(ErtsCodeInfo *ci, Uint break_flags) static void bp_meta_unref(BpMetaTracer* bmt) { - if (erts_refc_dectest(&bmt->refc, 0) <= 0) { + if (erts_smp_refc_dectest(&bmt->refc, 0) <= 0) { ErtsTracer trc = erts_smp_atomic_read_nob(&bmt->tracer); ERTS_TRACER_CLEAR(&trc); Free(bmt); @@ -1674,7 +1674,7 @@ bp_meta_unref(BpMetaTracer* bmt) static void bp_count_unref(BpCount* bcp) { - if (erts_refc_dectest(&bcp->refc, 0) <= 0) { + if (erts_smp_refc_dectest(&bcp->refc, 0) <= 0) { Free(bcp); } } @@ -1682,7 +1682,7 @@ bp_count_unref(BpCount* bcp) static void bp_time_unref(BpDataTime* bdt) { - if (erts_refc_dectest(&bdt->refc, 0) <= 0) { + if (erts_smp_refc_dectest(&bdt->refc, 0) <= 0) { Uint i = 0; Uint j = 0; Process *h_p = NULL; diff --git a/erts/emulator/beam/beam_bp.h b/erts/emulator/beam/beam_bp.h index cccd395e0a..3dba3cc1b5 100644 --- a/erts/emulator/beam/beam_bp.h +++ b/erts/emulator/beam/beam_bp.h @@ -41,7 +41,7 @@ typedef struct { typedef struct bp_data_time { /* Call time */ Uint n; bp_time_hash_t *hash; - erts_refc_t refc; + erts_smp_refc_t refc; } BpDataTime; typedef struct { @@ -51,12 +51,12 @@ typedef struct { typedef struct { erts_smp_atomic_t acount; - erts_refc_t refc; + erts_smp_refc_t refc; } BpCount; typedef struct { erts_smp_atomic_t tracer; - erts_refc_t refc; + erts_smp_refc_t refc; } BpMetaTracer; typedef struct generic_bp_data { diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c index 85d92321b8..8be0f58227 100644 --- a/erts/emulator/beam/beam_emu.c +++ b/erts/emulator/beam/beam_emu.c @@ -126,7 +126,7 @@ do { \ /* * We reuse some of fields in the save area in the process structure. - * This is safe to do, since this space is only activly used when + * This is safe to do, since this space is only actively used when * the process is switched out. */ #define REDS_IN(p) ((p)->def_arg_reg[5]) @@ -220,7 +220,7 @@ BeamInstr* em_call_bif_e; /* NOTE These should be the only variables containing trace instructions. ** Sometimes tests are form the instruction value, and sometimes -** for the refering variable (one of these), and rouge references +** for the referring variable (one of these), and rouge references ** will most likely cause chaos. */ BeamInstr beam_return_to_trace[1]; /* OpCode(i_return_to_trace) */ @@ -1324,6 +1324,7 @@ void process_main(Eterm * x_reg_array, FloatDef* f_reg_array) goto do_schedule1; do_schedule: + ASSERT(c_p->arity < 6); ASSERT(c_p->debug_reds_in == REDS_IN(c_p)); if (!ERTS_PROC_GET_SAVED_CALLS_BUF(c_p)) reds_used = REDS_IN(c_p) - FCALLS; @@ -1924,6 +1925,7 @@ void process_main(Eterm * x_reg_array, FloatDef* f_reg_array) erts_smp_proc_unlock(c_p, ERTS_PROC_LOCKS_MSG_RECEIVE); SWAPOUT; c_p->flags &= ~F_DELAY_GC; + c_p->arity = 0; goto do_schedule; /* Will be rescheduled for exit */ } ERTS_SMP_MSGQ_MV_INQ2PRIVQ(c_p); @@ -2166,6 +2168,7 @@ void process_main(Eterm * x_reg_array, FloatDef* f_reg_array) * in limbo forever. */ SWAPOUT; + c_p->arity = 0; goto do_schedule; } #endif @@ -2993,7 +2996,7 @@ do { \ } /* - * An error occured in an arithmetic operation or test that could + * An error occurred in an arithmetic operation or test that could * appear either in a head or in a body. * In a head, execution should continue at failure address in Arg(0). * In a body, Arg(0) == 0 and an exception should be raised. @@ -6268,7 +6271,7 @@ apply_bif_error_adjustment(Process *p, Export *ep, * stackframe correct. Without the following adjustment, * 'p->cp' will point into the function that called * current function when handling the error. We add a - * dummy stackframe in order to achive this. + * dummy stackframe in order to achieve this. * * Note that these BIFs unconditionally will cause * an exception to be raised. That is, our modifications @@ -6612,7 +6615,7 @@ erts_hibernate(Process* c_p, Eterm module, Eterm function, Eterm args, Eterm* re #ifndef ERTS_SMP if (ERTS_PROC_IS_EXITING(c_p)) { /* - * See comment in the begining of the function... + * See comment in the beginning of the function... * * This second test is needed since gc might be traced. */ @@ -6846,7 +6849,7 @@ new_fun(Process* p, Eterm* reg, ErlFunEntry* fe, int num_free) p->htop = hp + needed; funp = (ErlFunThing *) hp; hp = funp->env; - erts_refc_inc(&fe->refc, 2); + erts_smp_refc_inc(&fe->refc, 2); funp->thing_word = HEADER_FUN; funp->next = MSO(p).first; MSO(p).first = (struct erl_off_heap_header*) funp; diff --git a/erts/emulator/beam/beam_load.c b/erts/emulator/beam/beam_load.c index 309465bcd3..48206a75a8 100644 --- a/erts/emulator/beam/beam_load.c +++ b/erts/emulator/beam/beam_load.c @@ -157,13 +157,15 @@ typedef struct { #define STR_CHUNK 2 #define IMP_CHUNK 3 #define EXP_CHUNK 4 -#define NUM_MANDATORY 5 +#define MIN_MANDATORY 1 +#define MAX_MANDATORY 5 #define LAMBDA_CHUNK 5 #define LITERAL_CHUNK 6 #define ATTR_CHUNK 7 #define COMPILE_CHUNK 8 #define LINE_CHUNK 9 +#define UTF8_ATOM_CHUNK 10 #define NUM_CHUNK_TYPES (sizeof(chunk_types)/sizeof(chunk_types[0])) @@ -173,9 +175,13 @@ typedef struct { static Uint chunk_types[] = { /* - * Mandatory chunk types -- these MUST be present. + * Atom chunk types -- Atom or AtU8 MUST be present. */ MakeIffId('A', 't', 'o', 'm'), /* 0 */ + + /* + * Mandatory chunk types -- these MUST be present. + */ MakeIffId('C', 'o', 'd', 'e'), /* 1 */ MakeIffId('S', 't', 'r', 'T'), /* 2 */ MakeIffId('I', 'm', 'p', 'T'), /* 3 */ @@ -189,6 +195,7 @@ static Uint chunk_types[] = { MakeIffId('A', 't', 't', 'r'), /* 7 */ MakeIffId('C', 'I', 'n', 'f'), /* 8 */ MakeIffId('L', 'i', 'n', 'e'), /* 9 */ + MakeIffId('A', 't', 'U', '8'), /* 10 */ }; /* @@ -481,7 +488,7 @@ typedef struct LoaderState { static void free_loader_state(Binary* magic); static ErlHeapFragment* new_literal_fragment(Uint size); static void free_literal_fragment(ErlHeapFragment*); -static void loader_state_dtor(Binary* magic); +static int loader_state_dtor(Binary* magic); #ifdef HIPE static Eterm stub_insert_new_code(Process *c_p, ErtsProcLocks c_p_locks, Eterm group_leader, Eterm module, @@ -490,9 +497,9 @@ static Eterm stub_insert_new_code(Process *c_p, ErtsProcLocks c_p_locks, #endif static int init_iff_file(LoaderState* stp, byte* code, Uint size); static int scan_iff_file(LoaderState* stp, Uint* chunk_types, - Uint num_types, Uint num_mandatory); + Uint num_types); static int verify_chunks(LoaderState* stp); -static int load_atom_table(LoaderState* stp); +static int load_atom_table(LoaderState* stp, ErtsAtomEncoding enc); static int load_import_table(LoaderState* stp); static int read_export_table(LoaderState* stp); static int is_bif(Eterm mod, Eterm func, unsigned arity); @@ -629,7 +636,7 @@ erts_prepare_loading(Binary* magic, Process *c_p, Eterm group_leader, CHKALLOC(); CHKBLK(ERTS_ALC_T_CODE,stp->code); if (!init_iff_file(stp, code, unloaded_size) || - !scan_iff_file(stp, chunk_types, NUM_CHUNK_TYPES, NUM_MANDATORY) || + !scan_iff_file(stp, chunk_types, NUM_CHUNK_TYPES) || !verify_chunks(stp)) { goto load_error; } @@ -674,9 +681,16 @@ erts_prepare_loading(Binary* magic, Process *c_p, Eterm group_leader, */ CHKBLK(ERTS_ALC_T_CODE,stp->code); - define_file(stp, "atom table", ATOM_CHUNK); - if (!load_atom_table(stp)) { - goto load_error; + if (stp->chunks[UTF8_ATOM_CHUNK].size > 0) { + define_file(stp, "utf8 atom table", UTF8_ATOM_CHUNK); + if (!load_atom_table(stp, ERTS_ATOM_ENC_UTF8)) { + goto load_error; + } + } else { + define_file(stp, "atom table", ATOM_CHUNK); + if (!load_atom_table(stp, ERTS_ATOM_ENC_LATIN1)) { + goto load_error; + } } /* @@ -1012,7 +1026,7 @@ static void free_literal_fragment(ErlHeapFragment* bp) /* * This destructor function can safely be called multiple times. */ -static void +static int loader_state_dtor(Binary* magic) { LoaderState* stp = ERTS_MAGIC_BIN_DATA(magic); @@ -1097,6 +1111,7 @@ loader_state_dtor(Binary* magic) */ ASSERT(stp->genop_blocks == 0); + return 1; } #ifdef HIPE @@ -1212,7 +1227,7 @@ init_iff_file(LoaderState* stp, byte* code, Uint size) * Scan the IFF file. The header should have been verified by init_iff_file(). */ static int -scan_iff_file(LoaderState* stp, Uint* chunk_types, Uint num_types, Uint num_mandatory) +scan_iff_file(LoaderState* stp, Uint* chunk_types, Uint num_types) { Uint count; Uint id; @@ -1291,7 +1306,16 @@ verify_chunks(LoaderState* stp) MD5_CTX context; MD5Init(&context); - for (i = 0; i < NUM_MANDATORY; i++) { + + if (stp->chunks[UTF8_ATOM_CHUNK].start != NULL) { + MD5Update(&context, stp->chunks[UTF8_ATOM_CHUNK].start, stp->chunks[UTF8_ATOM_CHUNK].size); + } else if (stp->chunks[ATOM_CHUNK].start != NULL) { + MD5Update(&context, stp->chunks[ATOM_CHUNK].start, stp->chunks[ATOM_CHUNK].size); + } else { + LoadError0(stp, "mandatory chunk of type 'Atom' or 'AtU8' not found\n"); + } + + for (i = MIN_MANDATORY; i < MAX_MANDATORY; i++) { if (stp->chunks[i].start != NULL) { MD5Update(&context, stp->chunks[i].start, stp->chunks[i].size); } else { @@ -1352,7 +1376,7 @@ verify_chunks(LoaderState* stp) } static int -load_atom_table(LoaderState* stp) +load_atom_table(LoaderState* stp, ErtsAtomEncoding enc) { unsigned int i; @@ -1371,7 +1395,7 @@ load_atom_table(LoaderState* stp) GetByte(stp, n); GetString(stp, atom, n); - stp->atom[i] = erts_atom_put(atom, n, ERTS_ATOM_ENC_LATIN1, 1); + stp->atom[i] = erts_atom_put(atom, n, enc, 1); } /* @@ -4839,7 +4863,7 @@ final_touch(LoaderState* stp, struct erl_module_instance* inst_p) /* * We are hiding a pointer into older code. */ - erts_refc_dec(&fe->refc, 1); + erts_smp_refc_dec(&fe->refc, 1); } fe->address = code_ptr; #ifdef HIPE @@ -5938,7 +5962,7 @@ code_get_chunk_2(BIF_ALIST_2) goto error; } if (!init_iff_file(stp, start, binary_size(Bin)) || - !scan_iff_file(stp, &chunk, 1, 1) || + !scan_iff_file(stp, &chunk, 1) || stp->chunks[0].start == NULL) { res = am_undefined; goto done; @@ -5987,7 +6011,7 @@ code_module_md5_1(BIF_ALIST_1) } stp->module = THE_NON_VALUE; /* Suppress diagnostiscs */ if (!init_iff_file(stp, bytes, binary_size(Bin)) || - !scan_iff_file(stp, chunk_types, NUM_CHUNK_TYPES, NUM_MANDATORY) || + !scan_iff_file(stp, chunk_types, NUM_CHUNK_TYPES) || !verify_chunks(stp)) { res = am_undefined; goto done; @@ -6251,7 +6275,7 @@ patch_funentries(Eterm Patchlist) * * Reproduced on a debug emulator with stdlib_test/qlc_SUITE:join_merge * - * erts_refc_dec(&fe->refc, 1); + * erts_smp_refc_dec(&fe->refc, 1); */ if (!patch(Addresses, (Uint) fe)) @@ -6299,8 +6323,8 @@ erts_make_stub_module(Process* p, Eterm hipe_magic_bin, Eterm Beam, Eterm Info) stp = ERTS_MAGIC_BIN_DATA(magic); hipe_code = erts_alloc(ERTS_ALC_T_HIPE, sizeof(*hipe_code)); - if (!ERTS_TERM_IS_MAGIC_BINARY(hipe_magic_bin) || - !(hipe_magic = ((ProcBin*)binary_val(hipe_magic_bin))->val, + if (!is_internal_magic_ref(hipe_magic_bin) || + !(hipe_magic = erts_magic_ref2bin(hipe_magic_bin), hipe_stp = hipe_get_loader_state(hipe_magic)) || hipe_stp->module == NIL || hipe_stp->text_segment == 0) { goto error; @@ -6336,7 +6360,7 @@ erts_make_stub_module(Process* p, Eterm hipe_magic_bin, Eterm Beam, Eterm Info) if (!init_iff_file(stp, bytes, size)) { goto error; } - if (!scan_iff_file(stp, chunk_types, NUM_CHUNK_TYPES, NUM_MANDATORY) || + if (!scan_iff_file(stp, chunk_types, NUM_CHUNK_TYPES) || !verify_chunks(stp)) { goto error; } @@ -6344,9 +6368,16 @@ erts_make_stub_module(Process* p, Eterm hipe_magic_bin, Eterm Beam, Eterm Info) if (!read_code_header(stp)) { goto error; } - define_file(stp, "atom table", ATOM_CHUNK); - if (!load_atom_table(stp)) { - goto error; + if (stp->chunks[UTF8_ATOM_CHUNK].size > 0) { + define_file(stp, "utf8 atom table", UTF8_ATOM_CHUNK); + if (!load_atom_table(stp, ERTS_ATOM_ENC_UTF8)) { + goto error; + } + } else { + define_file(stp, "atom table", ATOM_CHUNK); + if (!load_atom_table(stp, ERTS_ATOM_ENC_LATIN1)) { + goto error; + } } define_file(stp, "export table", EXP_CHUNK); if (!stub_read_export_table(stp)) { @@ -6538,8 +6569,8 @@ int erts_commit_hipe_patch_load(Eterm hipe_magic_bin) HipeModule *hipe_code; Module* modp; - if (!ERTS_TERM_IS_MAGIC_BINARY(hipe_magic_bin) || - !(hipe_magic = ((ProcBin*)binary_val(hipe_magic_bin))->val, + if (!is_internal_magic_ref(hipe_magic_bin) || + !(hipe_magic = erts_magic_ref2bin(hipe_magic_bin), hipe_stp = hipe_get_loader_state(hipe_magic)) || hipe_stp->module == NIL || hipe_stp->text_segment == 0) { return 0; diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c index a3acf87000..614bedab12 100644 --- a/erts/emulator/beam/bif.c +++ b/erts/emulator/beam/bif.c @@ -199,7 +199,7 @@ BIF_RETTYPE link_1(BIF_ALIST_1) goto res_no_proc; case ERTS_PORT_OP_SCHEDULED: if (refp) { - ASSERT(is_internal_ref(ref)); + ASSERT(is_internal_ordinary_ref(ref)); BIF_TRAP3(await_port_send_result_trap, BIF_P, ref, am_true, am_true); } default: @@ -361,7 +361,7 @@ remote_demonitor(Process *c_p, DistEntry *dep, Eterm ref, Eterm to) c_p->common.id, (mon->name != NIL ? mon->name - : mon->pid), + : mon->u.pid), ref, 0); res = (code == ERTS_DSIG_SEND_YIELD ? am_yield : am_true); @@ -467,7 +467,7 @@ demonitor_local_port(Process *origin, Eterm ref, Eterm target) } /* Can return atom true, false, yield, internal_error, badarg or - * THE_NON_VALUE if error occured or trap has been set up + * THE_NON_VALUE if error occurred or trap has been set up */ static BIF_RETTYPE demonitor(Process *c_p, Eterm ref, Eterm *multip) @@ -498,7 +498,7 @@ BIF_RETTYPE demonitor(Process *c_p, Eterm ref, Eterm *multip) res = am_true; break; case MON_ORIGIN: - to = mon->pid; + to = mon->u.pid; *multip = am_false; if (is_atom(to)) { /* Monitoring a name at node to */ @@ -597,7 +597,7 @@ BIF_RETTYPE demonitor_2(BIF_ALIST_2) switch (demonitor(BIF_P, BIF_ARG_1, &multi)) { case THE_NON_VALUE: - /* If other error occured or trap has been set up - pass through */ + /* If other error occurred or trap has been set up - pass through */ BIF_RET(THE_NON_VALUE); case am_false: if (info) @@ -782,7 +782,7 @@ local_name_monitor(Process *self, Eterm type, Eterm target_name) case ERTS_PORT_OP_DONE: return ret; case ERTS_PORT_OP_SCHEDULED: { /* Scheduled a signal */ - ASSERT(is_internal_ref(ret)); + ASSERT(is_internal_ordinary_ref(ret)); BIF_TRAP3(await_port_send_result_trap, self, ret, am_true, ret); /* bif_trap returns */ @@ -1180,7 +1180,7 @@ BIF_RETTYPE unlink_1(BIF_ALIST_1) res = erts_port_unlink(BIF_P, prt, BIF_P->common.id, refp); if (refp && res == ERTS_PORT_OP_SCHEDULED) { - ASSERT(is_internal_ref(ref)); + ASSERT(is_internal_ordinary_ref(ref)); BIF_TRAP3(await_port_send_result_trap, BIF_P, ref, am_true, am_true); } } @@ -1586,7 +1586,7 @@ BIF_RETTYPE exit_2(BIF_ALIST_2) ERTS_BIF_CHK_EXITED(BIF_P); if (refp && res == ERTS_PORT_OP_SCHEDULED) { - ASSERT(is_internal_ref(ref)); + ASSERT(is_internal_ordinary_ref(ref)); BIF_TRAP3(await_port_send_result_trap, BIF_P, ref, am_true, am_true); } @@ -2221,7 +2221,7 @@ do_send(Process *p, Eterm to, Eterm msg, Eterm *refp, ErtsSendContext* ctx) /* Fall through */ case ERTS_PORT_OP_SCHEDULED: if (is_not_nil(*refp)) { - ASSERT(is_internal_ref(*refp)); + ASSERT(is_internal_ordinary_ref(*refp)); ret_val = SEND_AWAIT_RESULT; } break; @@ -2409,7 +2409,7 @@ BIF_RETTYPE send_3(BIF_ALIST_3) ERTS_BIF_PREP_YIELD_RETURN(retval, p, am_ok); break; case SEND_AWAIT_RESULT: - ASSERT(is_internal_ref(ref)); + ASSERT(is_internal_ordinary_ref(ref)); ERTS_BIF_PREP_TRAP3(retval, await_port_send_result_trap, p, ref, am_nosuspend, am_ok); break; case SEND_BADARG: @@ -2446,7 +2446,7 @@ BIF_RETTYPE send_2(BIF_ALIST_2) static BIF_RETTYPE dsend_continue_trap_1(BIF_ALIST_1) { - Binary* bin = ((ProcBin*) binary_val(BIF_ARG_1))->val; + Binary* bin = erts_magic_ref2bin(BIF_ARG_1); ErtsSendContext* ctx = (ErtsSendContext*) ERTS_MAGIC_BIN_DATA(bin); Sint initial_reds = (Sint) (ERTS_BIF_REDS_LEFT(BIF_P) * TERM_TO_BINARY_LOOP_FACTOR); int result; @@ -2526,7 +2526,7 @@ Eterm erl_send(Process *p, Eterm to, Eterm msg) ERTS_BIF_PREP_YIELD_RETURN(retval, p, msg); break; case SEND_AWAIT_RESULT: - ASSERT(is_internal_ref(ref)); + ASSERT(is_internal_ordinary_ref(ref)); ERTS_BIF_PREP_TRAP3(retval, await_port_send_result_trap, p, ref, msg, msg); break; @@ -3022,8 +3022,8 @@ BIF_RETTYPE atom_to_list_1(BIF_ALIST_1) BIF_RETTYPE list_to_atom_1(BIF_ALIST_1) { Eterm res; - char *buf = (char *) erts_alloc(ERTS_ALC_T_TMP, MAX_ATOM_CHARACTERS); - Sint i = intlist_to_buf(BIF_ARG_1, buf, MAX_ATOM_CHARACTERS); + byte *buf = (byte *) erts_alloc(ERTS_ALC_T_TMP, MAX_ATOM_SZ_LIMIT); + Sint i = erts_unicode_list_to_buf(BIF_ARG_1, buf, MAX_ATOM_CHARACTERS); if (i < 0) { erts_free(ERTS_ALC_T_TMP, (void *) buf); @@ -3033,7 +3033,7 @@ BIF_RETTYPE list_to_atom_1(BIF_ALIST_1) } BIF_ERROR(BIF_P, BADARG); } - res = erts_atom_put((byte *) buf, i, ERTS_ATOM_ENC_LATIN1, 1); + res = erts_atom_put(buf, i, ERTS_ATOM_ENC_UTF8, 1); ASSERT(is_atom(res)); erts_free(ERTS_ALC_T_TMP, (void *) buf); BIF_RET(res); @@ -3043,17 +3043,17 @@ BIF_RETTYPE list_to_atom_1(BIF_ALIST_1) BIF_RETTYPE list_to_existing_atom_1(BIF_ALIST_1) { - Sint i; - char *buf = (char *) erts_alloc(ERTS_ALC_T_TMP, MAX_ATOM_CHARACTERS); + byte *buf = (byte *) erts_alloc(ERTS_ALC_T_TMP, MAX_ATOM_SZ_LIMIT); + Sint i = erts_unicode_list_to_buf(BIF_ARG_1, buf, MAX_ATOM_CHARACTERS); - if ((i = intlist_to_buf(BIF_ARG_1, buf, MAX_ATOM_CHARACTERS)) < 0) { + if (i < 0) { error: erts_free(ERTS_ALC_T_TMP, (void *) buf); BIF_ERROR(BIF_P, BADARG); } else { Eterm a; - if (erts_atom_get(buf, i, &a, ERTS_ATOM_ENC_LATIN1)) { + if (erts_atom_get((char *) buf, i, &a, ERTS_ATOM_ENC_UTF8)) { erts_free(ERTS_ALC_T_TMP, (void *) buf); BIF_RET(a); } else { @@ -4109,6 +4109,7 @@ BIF_RETTYPE ref_to_list_1(BIF_ALIST_1) { if (is_not_ref(BIF_ARG_1)) BIF_ERROR(BIF_P, BADARG); + erts_magic_ref_save_bin(BIF_ARG_1); BIF_RET(term2list_dsprintf(BIF_P, BIF_ARG_1)); } @@ -5555,12 +5556,10 @@ BIF_RETTYPE dt_restore_tag_1(BIF_ALIST_1) SEQ_TRACE_TOKEN(BIF_P) = am_have_dt_utag; } } -#else +#else if (BIF_ARG_1 != am_true) { BIF_ERROR(BIF_P,BADARG); } #endif BIF_RET(am_true); } - - diff --git a/erts/emulator/beam/bif.tab b/erts/emulator/beam/bif.tab index 476c4b9632..ce2cffa498 100644 --- a/erts/emulator/beam/bif.tab +++ b/erts/emulator/beam/bif.tab @@ -670,3 +670,5 @@ gcbif erlang:ceil/1 bif math:floor/1 bif math:ceil/1 bif math:fmod/2 +bif os:set_signal/2 +bif erts_internal:maps_to_list/2 diff --git a/erts/emulator/beam/binary.c b/erts/emulator/beam/binary.c index 071a356260..4dd8316dad 100644 --- a/erts/emulator/beam/binary.c +++ b/erts/emulator/beam/binary.c @@ -47,13 +47,8 @@ void erts_init_binary(void) { /* Verify Binary alignment... */ - if ((((UWord) &((Binary *) 0)->orig_bytes[0]) % ((UWord) 8)) != 0) { - /* I assume that any compiler should be able to optimize this - away. If not, this test is not very expensive... */ - erts_exit(ERTS_ABORT_EXIT, - "Internal error: Address of orig_bytes[0] of a Binary" - " is *not* 8-byte aligned\n"); - } + ERTS_CT_ASSERT((offsetof(Binary,orig_bytes) % 8) == 0); + ERTS_CT_ASSERT((offsetof(ErtsMagicBinary,u.aligned.data) % 8) == 0); erts_init_trap_export(&binary_to_list_continue_export, am_erts_internal, am_binary_to_list_continue, 1, @@ -107,7 +102,7 @@ new_binary(Process *p, byte *buf, Uint len) pb->flags = 0; /* - * Miscellanous updates. Return the tagged binary. + * Miscellaneous updates. Return the tagged binary. */ OH_OVERHEAD(&(MSO(p)), pb->size / sizeof(Eterm)); return make_binary(pb); @@ -144,7 +139,7 @@ Eterm erts_new_mso_binary(Process *p, byte *buf, Uint len) pb->flags = 0; /* - * Miscellanous updates. Return the tagged binary. + * Miscellaneous updates. Return the tagged binary. */ OH_OVERHEAD(&(MSO(p)), pb->size / sizeof(Eterm)); return make_binary(pb); @@ -355,9 +350,10 @@ typedef struct { Uint bitoffs; } ErtsB2LState; -static void b2l_state_destructor(Binary *mbp) +static int b2l_state_destructor(Binary *mbp) { ASSERT(ERTS_MAGIC_BIN_DESTRUCTOR(mbp) == b2l_state_destructor); + return 1; } static BIF_RETTYPE @@ -445,18 +441,17 @@ binary_to_list(Process *c_p, Eterm *hp, Eterm tail, byte *bytes, sp->size = size; sp->bitoffs = bitoffs; - hp = HAlloc(c_p, PROC_BIN_SIZE); - mb = erts_mk_magic_binary_term(&hp, &MSO(c_p), mbp); + hp = HAlloc(c_p, ERTS_MAGIC_REF_THING_SIZE); + mb = erts_mk_magic_ref(&hp, &MSO(c_p), mbp); return binary_to_list_chunk(c_p, mb, sp, reds_left, 0); } } static BIF_RETTYPE binary_to_list_continue(BIF_ALIST_1) { - Binary *mbp = ((ProcBin *) binary_val(BIF_ARG_1))->val; + Binary *mbp = erts_magic_ref2bin(BIF_ARG_1); ASSERT(ERTS_MAGIC_BIN_DESTRUCTOR(mbp) == b2l_state_destructor); - ASSERT(BIF_P->flags & F_DISABLE_GC); return binary_to_list_chunk(BIF_P, @@ -729,12 +724,13 @@ list_to_binary_engine(ErtsL2BState *sp) } } -static void +static int l2b_state_destructor(Binary *mbp) { ErtsL2BState *sp = ERTS_MAGIC_BIN_DATA(mbp); ASSERT(ERTS_MAGIC_BIN_DESTRUCTOR(mbp) == l2b_state_destructor); DESTROY_SAVED_ESTACK(&sp->buf.iolist.estack); + return 1; } static ERTS_INLINE Eterm @@ -792,8 +788,8 @@ list_to_binary_chunk(Eterm mb_eterm, ERTS_L2B_STATE_MOVE(new_sp, sp); sp = new_sp; - hp = HAlloc(c_p, PROC_BIN_SIZE); - mb_eterm = erts_mk_magic_binary_term(&hp, &MSO(c_p), mbp); + hp = HAlloc(c_p, ERTS_MAGIC_REF_THING_SIZE); + mb_eterm = erts_mk_magic_ref(&hp, &MSO(c_p), mbp); ASSERT(is_value(mb_eterm)); @@ -839,9 +835,9 @@ list_to_binary_chunk(Eterm mb_eterm, static BIF_RETTYPE list_to_binary_continue(BIF_ALIST_1) { - Binary *mbp = ((ProcBin *) binary_val(BIF_ARG_1))->val; - ASSERT(ERTS_MAGIC_BIN_DESTRUCTOR(mbp) == l2b_state_destructor); + Binary *mbp = erts_magic_ref2bin(BIF_ARG_1); + ASSERT(ERTS_MAGIC_BIN_DESTRUCTOR(mbp) == l2b_state_destructor); ASSERT(BIF_P->flags & F_DISABLE_GC); return list_to_binary_chunk(BIF_ARG_1, diff --git a/erts/emulator/beam/break.c b/erts/emulator/beam/break.c index 2fc61ab436..4dad5736c5 100644 --- a/erts/emulator/beam/break.c +++ b/erts/emulator/beam/break.c @@ -178,19 +178,28 @@ static void doit_print_monitor(ErtsMonitor *mon, void *vpcontext) prefix = ""; } - if (mon->type == MON_ORIGIN) { - if (is_atom(mon->pid)) { /* dist by name */ - ASSERT(is_node_name_atom(mon->pid)); + switch (mon->type) { + case MON_ORIGIN: + if (is_atom(mon->u.pid)) { /* dist by name */ + ASSERT(is_node_name_atom(mon->u.pid)); erts_print(to, to_arg, "%s{to,{%T,%T},%T}", prefix, mon->name, - mon->pid, mon->ref); + mon->u.pid, mon->ref); } else if (is_atom(mon->name)){ /* local by name */ erts_print(to, to_arg, "%s{to,{%T,%T},%T}", prefix, mon->name, erts_this_dist_entry->sysname, mon->ref); } else { /* local and distributed by pid */ - erts_print(to, to_arg, "%s{to,%T,%T}", prefix, mon->pid, mon->ref); + erts_print(to, to_arg, "%s{to,%T,%T}", prefix, mon->u.pid, mon->ref); } - } else { /* MON_TARGET */ - erts_print(to, to_arg, "%s{from,%T,%T}", prefix, mon->pid, mon->ref); + break; + case MON_TARGET: + erts_print(to, to_arg, "%s{from,%T,%T}", prefix, mon->u.pid, mon->ref); + break; + case MON_NIF_TARGET: { + ErtsResource* rsrc = mon->u.resource; + erts_print(to, to_arg, "%s{from,{%T,%T},%T}", prefix, rsrc->type->module, + rsrc->type->name, mon->ref); + break; + } } } @@ -379,6 +388,18 @@ info(fmtfn_t to, void *to_arg) } +static int code_size(struct erl_module_instance* modi) +{ + int size = modi->code_length; + + if (modi->code_hdr) { + ErtsLiteralArea* lit = modi->code_hdr->literal_area; + if (lit) + size += (lit->end - lit->start) * sizeof(Eterm); + } + return size; +} + void loaded(fmtfn_t to, void *to_arg) { @@ -396,13 +417,9 @@ loaded(fmtfn_t to, void *to_arg) * Calculate and print totals. */ for (i = 0; i < module_code_size(code_ix); i++) { - if ((modp = module_code(i, code_ix)) != NULL && - ((modp->curr.code_length != 0) || - (modp->old.code_length != 0))) { - cur += modp->curr.code_length; - if (modp->old.code_length != 0) { - old += modp->old.code_length; - } + if ((modp = module_code(i, code_ix)) != NULL) { + cur += code_size(&modp->curr); + old += code_size(&modp->old); } } erts_print(to, to_arg, "Current code: %d\n", cur); @@ -418,31 +435,25 @@ loaded(fmtfn_t to, void *to_arg) /* * Interactive dump; keep it brief. */ - if (modp != NULL && - ((modp->curr.code_length != 0) || - (modp->old.code_length != 0))) { - erts_print(to, to_arg, "%T", make_atom(modp->module)); - cur += modp->curr.code_length; - erts_print(to, to_arg, " %d", modp->curr.code_length ); - if (modp->old.code_length != 0) { - erts_print(to, to_arg, " (%d old)", - modp->old.code_length ); - old += modp->old.code_length; - } + if (modp != NULL && ((modp->curr.code_length != 0) || + (modp->old.code_length != 0))) { + erts_print(to, to_arg, "%T %d", make_atom(modp->module), + code_size(&modp->curr)); + if (modp->old.code_length != 0) + erts_print(to, to_arg, " (%d old)", code_size(&modp->old)); erts_print(to, to_arg, "\n"); } } else { /* * To crash dump; make it parseable. */ - if (modp != NULL && - ((modp->curr.code_length != 0) || - (modp->old.code_length != 0))) { + if (modp != NULL && ((modp->curr.code_length != 0) || + (modp->old.code_length != 0))) { erts_print(to, to_arg, "=mod:"); erts_print(to, to_arg, "%T", make_atom(modp->module)); erts_print(to, to_arg, "\n"); erts_print(to, to_arg, "Current size: %d\n", - modp->curr.code_length); + code_size(&modp->curr)); code = modp->curr.code_hdr; if (code != NULL && code->attr_ptr) { erts_print(to, to_arg, "Current attributes: "); @@ -456,7 +467,7 @@ loaded(fmtfn_t to, void *to_arg) } if (modp->old.code_length != 0) { - erts_print(to, to_arg, "Old size: %d\n", modp->old.code_length); + erts_print(to, to_arg, "Old size: %d\n", code_size(&modp->old)); code = modp->old.code_hdr; if (code->attr_ptr) { erts_print(to, to_arg, "Old attributes: "); @@ -647,7 +658,7 @@ bin_check(void) erts_printf("%p orig_size: %bpd, norefs = %bpd\n", bp->val, bp->val->orig_size, - erts_smp_atomic_read_nob(&bp->val->refc)); + erts_refc_read(&bp->val->refc, 1)); } } if (printed) { diff --git a/erts/emulator/beam/copy.c b/erts/emulator/beam/copy.c index c4dcd6a3cc..e567eabc82 100644 --- a/erts/emulator/beam/copy.c +++ b/erts/emulator/beam/copy.c @@ -850,7 +850,7 @@ Eterm copy_struct_x(Eterm obj, Uint sz, Eterm** hpp, ErlOffHeap* off_heap, Uint funp = (ErlFunThing *) tp; funp->next = off_heap->first; off_heap->first = (struct erl_off_heap_header*) funp; - erts_refc_inc(&funp->fe->refc, 2); + erts_smp_refc_inc(&funp->fe->refc, 2); *argp = make_fun(tp); } break; @@ -858,20 +858,24 @@ Eterm copy_struct_x(Eterm obj, Uint sz, Eterm** hpp, ErlOffHeap* off_heap, Uint case EXTERNAL_PORT_SUBTAG: case EXTERNAL_REF_SUBTAG: { - ExternalThing *etp = (ExternalThing *) htop; - + ExternalThing *etp = (ExternalThing *) objp; + erts_smp_refc_inc(&etp->node->refc, 2); + } + L_off_heap_node_container_common: + { + struct erl_off_heap_header *ohhp; + ohhp = (struct erl_off_heap_header *) htop; i = thing_arityval(hdr) + 1; + *argp = make_boxed(htop); tp = htop; while (i--) { *htop++ = *objp++; } - etp->next = off_heap->first; - off_heap->first = (struct erl_off_heap_header*)etp; - erts_refc_inc(&etp->node->refc, 2); + ohhp->next = off_heap->first; + off_heap->first = ohhp; - *argp = make_external(tp); } break; case MAP_SUBTAG: @@ -899,6 +903,13 @@ Eterm copy_struct_x(Eterm obj, Uint sz, Eterm** hpp, ErlOffHeap* off_heap, Uint case BIN_MATCHSTATE_SUBTAG: erts_exit(ERTS_ABORT_EXIT, "copy_struct: matchstate term not allowed"); + case REF_SUBTAG: + if (is_magic_ref_thing(objp)) { + ErtsMRefThing *mreft = (ErtsMRefThing *) objp; + erts_refc_inc(&mreft->mb->refc, 2); + goto L_off_heap_node_container_common; + } + /* Fall through... */ default: i = thing_arityval(hdr)+1; hbot -= i; @@ -1525,7 +1536,7 @@ Uint copy_shared_perform(Eterm obj, Uint size, erts_shcopy_t *info, } funp->next = off_heap->first; off_heap->first = (struct erl_off_heap_header*) funp; - erts_refc_inc(&funp->fe->refc, 2); + erts_smp_refc_inc(&funp->fe->refc, 2); goto cleanup_next; } case MAP_SUBTAG: @@ -1649,20 +1660,33 @@ Uint copy_shared_perform(Eterm obj, Uint size, erts_shcopy_t *info, } case EXTERNAL_PID_SUBTAG: case EXTERNAL_PORT_SUBTAG: - case EXTERNAL_REF_SUBTAG: { - ExternalThing *etp = (ExternalThing *) hp; + case EXTERNAL_REF_SUBTAG: + { + ExternalThing *etp = (ExternalThing *) ptr; + erts_smp_refc_inc(&etp->node->refc, 2); + } + off_heap_node_container_common: + { + struct erl_off_heap_header *ohhp; + ohhp = (struct erl_off_heap_header *) hp; sz = thing_arityval(hdr); - *resp = make_external(hp); + *resp = make_boxed(hp); *hp++ = hdr; ptr++; while (sz-- > 0) { *hp++ = *ptr++; } - etp->next = off_heap->first; - off_heap->first = (struct erl_off_heap_header*) etp; - erts_refc_inc(&etp->node->refc, 2); + ohhp->next = off_heap->first; + off_heap->first = ohhp; goto cleanup_next; } + case REF_SUBTAG: + if (is_magic_ref_thing(ptr)) { + ErtsMRefThing *mreft = (ErtsMRefThing *) ptr; + erts_refc_inc(&mreft->mb->refc, 2); + goto off_heap_node_container_common; + } + /* Fall through... */ default: sz = thing_arityval(hdr); *resp = make_boxed(hp); @@ -1836,7 +1860,7 @@ Eterm copy_shallow(Eterm* ptr, Uint sz, Eterm** hpp, ErlOffHeap* off_heap) case FUN_SUBTAG: { ErlFunThing* funp = (ErlFunThing *) (tp-1); - erts_refc_inc(&funp->fe->refc, 2); + erts_smp_refc_inc(&funp->fe->refc, 2); } goto off_heap_common; case EXTERNAL_PID_SUBTAG: @@ -1844,7 +1868,7 @@ Eterm copy_shallow(Eterm* ptr, Uint sz, Eterm** hpp, ErlOffHeap* off_heap) case EXTERNAL_REF_SUBTAG: { ExternalThing* etp = (ExternalThing *) (tp-1); - erts_refc_inc(&etp->node->refc, 2); + erts_smp_refc_inc(&etp->node->refc, 2); } off_heap_common: { @@ -1859,6 +1883,15 @@ Eterm copy_shallow(Eterm* ptr, Uint sz, Eterm** hpp, ErlOffHeap* off_heap) off_heap->first = ohh; } break; + case REF_SUBTAG: { + ErtsRefThing *rtp = (ErtsRefThing *) (tp - 1); + if (is_magic_ref_thing(rtp)) { + ErtsMRefThing *mreft = (ErtsMRefThing *) rtp; + erts_refc_inc(&mreft->mb->refc, 2); + goto off_heap_common; + } + /* Fall through... */ + } default: { int tari = header_arity(val); @@ -1957,8 +1990,11 @@ move_one_frag(Eterm** hpp, ErlHeapFragment* frag, ErlOffHeap* off_heap, int lite if (is_header(val)) { struct erl_off_heap_header* hdr = (struct erl_off_heap_header*)hp; ASSERT(ptr + header_arity(val) < end); - MOVE_BOXED(ptr, val, hp, &dummy_ref); + move_boxed(&ptr, val, &hp, &dummy_ref); switch (val & _HEADER_SUBTAG_MASK) { + case REF_SUBTAG: + if (is_ordinary_ref_thing(hdr)) + break; case REFC_BINARY_SUBTAG: case FUN_SUBTAG: case EXTERNAL_PID_SUBTAG: @@ -1971,7 +2007,7 @@ move_one_frag(Eterm** hpp, ErlHeapFragment* frag, ErlOffHeap* off_heap, int lite } else { /* must be a cons cell */ ASSERT(ptr+1 < end); - MOVE_CONS(ptr, val, hp, &dummy_ref); + move_cons(&ptr, val, &hp, &dummy_ref); ptr += 2; } } diff --git a/erts/emulator/beam/dist.c b/erts/emulator/beam/dist.c index 990edb274e..d1c2da9074 100644 --- a/erts/emulator/beam/dist.c +++ b/erts/emulator/beam/dist.c @@ -259,12 +259,12 @@ static void doit_monitor_net_exits(ErtsMonitor *mon, void *vnecp) DistEntry *dep = ((NetExitsContext *) vnecp)->dep; ErtsProcLocks rp_locks = ERTS_PROC_LOCK_LINK; - rp = erts_pid2proc(NULL, 0, mon->pid, rp_locks); + rp = erts_pid2proc(NULL, 0, mon->u.pid, rp_locks); if (!rp) goto done; if (mon->type == MON_ORIGIN) { - /* local pid is beeing monitored */ + /* local pid is being monitored */ rmon = erts_remove_monitor(&ERTS_P_MONITORS(rp), mon->ref); /* ASSERT(rmon != NULL); nope, can happen during process exit */ if (rmon != NULL) { @@ -278,10 +278,11 @@ static void doit_monitor_net_exits(ErtsMonitor *mon, void *vnecp) rmon = erts_remove_monitor(&ERTS_P_MONITORS(rp), mon->ref); /* ASSERT(rmon != NULL); can happen during process exit */ if (rmon != NULL) { + ASSERT(rmon->type == MON_ORIGIN); ASSERT(is_atom(rmon->name) || is_nil(rmon->name)); watched = (is_atom(rmon->name) ? TUPLE2(lhp, rmon->name, dep->sysname) - : rmon->pid); + : rmon->u.pid); #ifdef ERTS_SMP rp_locks |= ERTS_PROC_LOCKS_MSG_SEND; erts_smp_proc_lock(rp, ERTS_PROC_LOCKS_MSG_SEND); @@ -713,7 +714,7 @@ static void clear_dist_entry(DistEntry *dep) } } -void erts_dsend_context_dtor(Binary* ctx_bin) +int erts_dsend_context_dtor(Binary* ctx_bin) { ErtsSendContext* ctx = ERTS_MAGIC_BIN_DATA(ctx_bin); switch (ctx->dss.phase) { @@ -730,6 +731,8 @@ void erts_dsend_context_dtor(Binary* ctx_bin) } if (ctx->dep_to_deref) erts_deref_dist_entry(ctx->dep_to_deref); + + return 1; } Eterm erts_dsend_export_trap_context(Process* p, ErtsSendContext* ctx) @@ -741,7 +744,7 @@ Eterm erts_dsend_export_trap_context(Process* p, ErtsSendContext* ctx) Binary* ctx_bin = erts_create_magic_binary(sizeof(struct exported_ctx), erts_dsend_context_dtor); struct exported_ctx* dst = ERTS_MAGIC_BIN_DATA(ctx_bin); - Eterm* hp = HAlloc(p, PROC_BIN_SIZE); + Eterm* hp = HAlloc(p, ERTS_MAGIC_REF_THING_SIZE); sys_memcpy(&dst->ctx, ctx, sizeof(ErtsSendContext)); ASSERT(ctx->dss.ctl == make_tuple(ctx->ctl_heap)); @@ -750,7 +753,7 @@ Eterm erts_dsend_export_trap_context(Process* p, ErtsSendContext* ctx) sys_memcpy(&dst->acm, ctx->dss.acmp, sizeof(ErtsAtomCacheMap)); dst->ctx.dss.acmp = &dst->acm; } - return erts_mk_magic_binary_term(&hp, &MSO(p), ctx_bin); + return erts_mk_magic_ref(&hp, &MSO(p), ctx_bin); } @@ -795,7 +798,7 @@ erts_dsig_send_unlink(ErtsDSigData *dsdp, Eterm local, Eterm remote) } -/* A local process that's beeing monitored by a remote one exits. We send: +/* A local process that's being monitored by a remote one exits. We send: {DOP_MONITOR_P_EXIT, Local pid or name, Remote pid, ref, reason}, which is rather sad as only the ref is needed, no pid's... */ int @@ -1389,7 +1392,7 @@ int erts_net_message(Port *prt, if (mon == NULL) { break; } - watched = mon->pid; + watched = mon->u.pid; erts_destroy_monitor(mon); rp = erts_pid2proc_opt(NULL, 0, watched, ERTS_PROC_LOCK_LINK, @@ -1547,7 +1550,7 @@ int erts_net_message(Port *prt, if (mon == NULL) { break; } - rp = erts_pid2proc(NULL, 0, mon->pid, rp_locks); + rp = erts_pid2proc(NULL, 0, mon->u.pid, rp_locks); erts_destroy_monitor(mon); if (rp == NULL) { @@ -1564,7 +1567,7 @@ int erts_net_message(Port *prt, watched = (is_not_nil(mon->name) ? TUPLE2(&lhp[0], mon->name, sysname) - : mon->pid); + : mon->u.pid); erts_queue_monitor_message(rp, &rp_locks, ref, am_process, watched, reason); @@ -2082,7 +2085,7 @@ erts_dist_command(Port *prt, int reds_limit) ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(prt)); - erts_refc_inc(&dep->refc, 1); /* Otherwise dist_entry might be + erts_smp_refc_inc(&dep->refc, 1); /* Otherwise dist_entry might be removed if port command fails */ erts_smp_atomic_set_mb(&dep->dist_cmd_scheduled, 0); @@ -2413,21 +2416,21 @@ static void doit_print_monitor_info(ErtsMonitor *mon, void *vptdp) void *arg = ((struct print_to_data *) vptdp)->arg; Process *rp; ErtsMonitor *rmon; - rp = erts_proc_lookup(mon->pid); + rp = erts_proc_lookup(mon->u.pid); if (!rp || (rmon = erts_lookup_monitor(ERTS_P_MONITORS(rp), mon->ref)) == NULL) { - erts_print(to, arg, "Warning, stray monitor for: %T\n", mon->pid); + erts_print(to, arg, "Warning, stray monitor for: %T\n", mon->u.pid); } else if (mon->type == MON_ORIGIN) { /* Local pid is being monitored */ erts_print(to, arg, "Remotely monitored by: %T %T\n", - mon->pid, rmon->pid); + mon->u.pid, rmon->u.pid); } else { - erts_print(to, arg, "Remote monitoring: %T ", mon->pid); - if (is_not_atom(rmon->pid)) - erts_print(to, arg, "%T\n", rmon->pid); + erts_print(to, arg, "Remote monitoring: %T ", mon->u.pid); + if (is_not_atom(rmon->u.pid)) + erts_print(to, arg, "%T\n", rmon->u.pid); else erts_print(to, arg, "{%T, %T}\n", rmon->name, - rmon->pid); /* which in this case is the + rmon->u.pid); /* which in this case is the remote system name... */ } } @@ -2515,7 +2518,7 @@ info_dist_entry(fmtfn_t to, void *arg, DistEntry *dep, int visible, int connecte erts_print(to, arg, "Name: %T", dep->sysname); #ifdef DEBUG - erts_print(to, arg, " (refc=%d)", erts_refc_read(&dep->refc, 0)); + erts_print(to, arg, " (refc=%d)", erts_smp_refc_read(&dep->refc, 0)); #endif erts_print(to, arg, "\n"); if (!connected && is_nil(dep->cid)) { diff --git a/erts/emulator/beam/dist.h b/erts/emulator/beam/dist.h index e82b416286..8f6be1061a 100644 --- a/erts/emulator/beam/dist.h +++ b/erts/emulator/beam/dist.h @@ -115,8 +115,8 @@ extern int erts_is_alive; * erts_dsig_prepare() prepares a send of a distributed signal. * One of the values defined below are returned. If the returned * value is another than ERTS_DSIG_PREP_CONNECTED, the - * distributed signal cannot be sent before apropriate actions - * have been taken. Apropriate actions would typically be setting + * distributed signal cannot be sent before appropriate actions + * have been taken. Appropriate actions would typically be setting * up the connection. */ @@ -375,7 +375,7 @@ extern int erts_dsig_send_monitor(ErtsDSigData *, Eterm, Eterm, Eterm); extern int erts_dsig_send_m_exit(ErtsDSigData *, Eterm, Eterm, Eterm, Eterm); extern int erts_dsig_send(ErtsDSigData *dsdp, struct erts_dsig_send_context* ctx); -extern void erts_dsend_context_dtor(Binary*); +extern int erts_dsend_context_dtor(Binary*); extern Eterm erts_dsend_export_trap_context(Process* p, ErtsSendContext* ctx); extern int erts_dist_command(Port *prt, int reds); diff --git a/erts/emulator/beam/dtrace-wrapper.h b/erts/emulator/beam/dtrace-wrapper.h index 6f70d5961e..f6fc28b801 100644 --- a/erts/emulator/beam/dtrace-wrapper.h +++ b/erts/emulator/beam/dtrace-wrapper.h @@ -74,7 +74,7 @@ #if defined(_SDT_PROBE) && !defined(STAP_PROBE11) /* SLF: This is Ubuntu 11-style SystemTap hackery */ -/* work arround for missing STAP macro */ +/* workaround for missing STAP macro */ #define STAP_PROBE11(provider,name,arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9,arg10,arg11) \ _SDT_PROBE(provider, name, 11, \ (arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9,arg10,arg11)) diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c index 4d990a9c56..a374593c5d 100644 --- a/erts/emulator/beam/erl_alloc.c +++ b/erts/emulator/beam/erl_alloc.c @@ -48,6 +48,7 @@ #if defined(ERTS_ALC_T_DRV_SEL_D_STATE) || defined(ERTS_ALC_T_DRV_EV_D_STATE) #include "erl_check_io.h" #endif +#include "erl_bif_unique.h" #define GET_ERL_GF_ALLOC_IMPL #include "erl_goodfit_alloc.h" @@ -152,8 +153,7 @@ typedef struct { int internal; Uint req_sched; Process *proc; - Eterm ref; - Eterm ref_heap[REF_THING_SIZE]; + ErtsIRefStorage iref; int allocs[ERTS_ALC_INFO_A_END - ERTS_ALC_A_MIN + 1]; } ErtsAllocInfoReq; @@ -664,6 +664,8 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop) = sizeof(ErtsDrvEventDataState); fix_type_sizes[ERTS_ALC_FIX_TYPE_IX(ERTS_ALC_T_DRV_SEL_D_STATE)] = sizeof(ErtsDrvSelectDataState); + fix_type_sizes[ERTS_ALC_FIX_TYPE_IX(ERTS_ALC_T_NIF_SEL_D_STATE)] + = sizeof(ErtsNifSelectDataState); fix_type_sizes[ERTS_ALC_FIX_TYPE_IX(ERTS_ALC_T_MSG_REF)] = sizeof(ErtsMessageRef); #ifdef ERTS_SMP @@ -682,6 +684,10 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop) #endif fix_type_sizes[ERTS_ALC_FIX_TYPE_IX(ERTS_ALC_T_NIF_EXP_TRACE)] = sizeof(NifExportTrace); + fix_type_sizes[ERTS_ALC_FIX_TYPE_IX(ERTS_ALC_T_MREF_NSCHED_ENT)] + = sizeof(ErtsNSchedMagicRefTableEntry); + fix_type_sizes[ERTS_ALC_FIX_TYPE_IX(ERTS_ALC_T_MINDIRECTION)] + = ERTS_MAGIC_BIN_UNALIGNED_SIZE(sizeof(ErtsMagicIndirectionWord)); #ifdef HARD_DEBUG hdbg_init(); @@ -3139,9 +3145,10 @@ reply_alloc_info(void *vair) while (1) { if (hpp) - ref_copy = STORE_NC(hpp, ohp, air->ref); + ref_copy = erts_iref_storage_make_ref(&air->iref, + hpp, ohp, 0); else - *szp += REF_THING_SIZE; + *szp += erts_iref_storage_heap_size(&air->iref); ai_list = NIL; for (i = 0; air->allocs[i] != ERTS_ALC_A_INVALID; i++); @@ -3370,8 +3377,10 @@ reply_alloc_info(void *vair) erts_smp_proc_unlock(rp, rp_locks); erts_proc_dec_refc(rp); - if (erts_smp_atomic32_dec_read_nob(&air->refc) == 0) + if (erts_smp_atomic32_dec_read_nob(&air->refc) == 0) { + erts_iref_storage_clean(&air->iref); aireq_free(air); + } } int @@ -3384,7 +3393,6 @@ erts_request_alloc_info(struct process *c_p, ErtsAllocInfoReq *air = aireq_alloc(); Eterm req_ai[ERTS_ALC_INFO_A_END] = {0}; Eterm alist; - Eterm *hp; int airix = 0, ai; air->req_sched = erts_get_scheduler_id(); @@ -3398,8 +3406,7 @@ erts_request_alloc_info(struct process *c_p, if (is_not_internal_ref(ref)) return 0; - hp = &air->ref_heap[0]; - air->ref = STORE_NC(&hp, NULL, ref); + erts_iref_storage_save(&air->iref, ref); if (is_not_list(allocs)) return 0; diff --git a/erts/emulator/beam/erl_alloc.types b/erts/emulator/beam/erl_alloc.types index 70eca5b49c..3d5de72ee7 100644 --- a/erts/emulator/beam/erl_alloc.types +++ b/erts/emulator/beam/erl_alloc.types @@ -65,7 +65,7 @@ # --- Allocator declarations ------------------------------------------------- # -# If, and only if, the same thread performes *all* allocations, +# If, and only if, the same thread performs *all* allocations, # reallocations and deallocations of all memory types that are handled # by a specific allocator (<ALLOCATOR> in type declaration), set # <MULTI_THREAD> for this specific allocator to false; otherwise, set @@ -280,6 +280,11 @@ type TRACE_MSG_QUEUE SHORT_LIVED SYSTEM trace_message_queue type SCHED_ASYNC_JOB SHORT_LIVED SYSTEM async_calls type DIRTY_START STANDARD PROCESSES dirty_start type DIRTY_SL SHORT_LIVED SYSTEM dirty_short_lived +type MREF_NSCHED_ENT FIXED_SIZE SYSTEM nsched_magic_ref_entry +type MREF_ENT STANDARD SYSTEM magic_ref_entry +type MREF_TAB_BKTS STANDARD SYSTEM magic_ref_table_buckets +type MREF_TAB LONG_LIVED SYSTEM magic_ref_table +type MINDIRECTION FIXED_SIZE SYSTEM magic_indirection +if threads_no_smp # Need thread safe allocs, but std_alloc and fix_alloc are not; @@ -397,6 +402,7 @@ type DRV_TAB LONG_LIVED SYSTEM drv_tab type DRV_EV_STATE LONG_LIVED SYSTEM driver_event_state type DRV_EV_D_STATE FIXED_SIZE SYSTEM driver_event_data_state type DRV_SEL_D_STATE FIXED_SIZE SYSTEM driver_select_data_state +type NIF_SEL_D_STATE FIXED_SIZE SYSTEM enif_select_data_state type FD_LIST SHORT_LIVED SYSTEM fd_list type ACTIVE_FD_ARR SHORT_LIVED SYSTEM active_fd_array type POLLSET LONG_LIVED SYSTEM pollset diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c index d346f8c8b6..a6bac06478 100644 --- a/erts/emulator/beam/erl_alloc_util.c +++ b/erts/emulator/beam/erl_alloc_util.c @@ -5186,7 +5186,7 @@ erts_alcu_sz_info(Allctr_t *allctr, ERTS_ALCU_DBG_CHK_THR_ACCESS(allctr); - /* Update sbc values not continously updated */ + /* Update sbc values not continuously updated */ allctr->sbcs.blocks.curr.no = allctr->sbcs.curr.norm.mseg.no + allctr->sbcs.curr.norm.sys_alloc.no; allctr->sbcs.blocks.max.no = allctr->sbcs.max.no; @@ -5272,7 +5272,7 @@ erts_alcu_info(Allctr_t *allctr, ERTS_ALCU_DBG_CHK_THR_ACCESS(allctr); - /* Update sbc values not continously updated */ + /* Update sbc values not continuously updated */ allctr->sbcs.blocks.curr.no = allctr->sbcs.curr.norm.mseg.no + allctr->sbcs.curr.norm.sys_alloc.no; allctr->sbcs.blocks.max.no = allctr->sbcs.max.no; diff --git a/erts/emulator/beam/erl_bif_binary.c b/erts/emulator/beam/erl_bif_binary.c index 6e10980b6b..62a752d854 100644 --- a/erts/emulator/beam/erl_bif_binary.c +++ b/erts/emulator/beam/erl_bif_binary.c @@ -239,13 +239,13 @@ static void dump_ac_node(ACNode *node, int indent, int ch); /* * Callback for the magic binary */ -static void cleanup_my_data_ac(Binary *bp) +static int cleanup_my_data_ac(Binary *bp) { - return; + return 1; } -static void cleanup_my_data_bm(Binary *bp) +static int cleanup_my_data_bm(Binary *bp) { - return; + return 1; } /* @@ -380,7 +380,7 @@ static void ac_compute_failure_functions(ACTrie *act, ACNode **qbuff) qbuff[qt++] = child; /* Search for correct failure function, follow the parent's failure function until you find a similar transition - funtion to this child's */ + function to this child's */ r = parent->h; while (r != NULL && r->g[i] == NULL) { r = r->h; @@ -1010,8 +1010,8 @@ BIF_RETTYPE binary_compile_pattern_1(BIF_ALIST_1) if (do_binary_match_compile(BIF_ARG_1,&tag,&bin)) { BIF_ERROR(BIF_P,BADARG); } - hp = HAlloc(BIF_P, PROC_BIN_SIZE+3); - ret = erts_mk_magic_binary_term(&hp, &MSO(BIF_P), bin); + hp = HAlloc(BIF_P, ERTS_MAGIC_REF_THING_SIZE+3); + ret = erts_mk_magic_ref(&hp, &MSO(BIF_P), bin); ret = TUPLE2(hp, tag, ret); BIF_RET(ret); } @@ -1426,11 +1426,11 @@ binary_match(Process *p, Eterm arg1, Eterm arg2, Eterm arg3, Uint flags) goto badarg; } if (((tp[1] != am_bm) && (tp[1] != am_ac)) || - !ERTS_TERM_IS_MAGIC_BINARY(tp[2])) { + !is_internal_magic_ref(tp[2])) { goto badarg; } bfs.type = tp[1]; - bin = ((ProcBin *) binary_val(tp[2]))->val; + bin = erts_magic_ref2bin(tp[2]); if (bfs.type == am_bm && ERTS_MAGIC_BIN_DESTRUCTOR(bin) != cleanup_my_data_bm) { goto badarg; @@ -1448,8 +1448,8 @@ binary_match(Process *p, Eterm arg1, Eterm arg2, Eterm arg3, Uint flags) bfs.global_result = &do_match_global_result; runres = do_binary_find(p, arg1, &bfs, bin, NIL, &result); if (runres == DO_BIN_MATCH_RESTART && bin_term == NIL) { - Eterm *hp = HAlloc(p, PROC_BIN_SIZE); - bin_term = erts_mk_magic_binary_term(&hp, &MSO(p), bin); + Eterm *hp = HAlloc(p, ERTS_MAGIC_REF_THING_SIZE); + bin_term = erts_mk_magic_ref(&hp, &MSO(p), bin); } else if (bin_term == NIL) { erts_bin_free(bin); } @@ -1512,11 +1512,11 @@ binary_split(Process *p, Eterm arg1, Eterm arg2, Eterm arg3) goto badarg; } if (((tp[1] != am_bm) && (tp[1] != am_ac)) || - !ERTS_TERM_IS_MAGIC_BINARY(tp[2])) { + !is_internal_magic_ref(tp[2])) { goto badarg; } bfs.type = tp[1]; - bin = ((ProcBin *) binary_val(tp[2]))->val; + bin = erts_magic_ref2bin(tp[2]); if (bfs.type == am_bm && ERTS_MAGIC_BIN_DESTRUCTOR(bin) != cleanup_my_data_bm) { goto badarg; @@ -1534,8 +1534,8 @@ binary_split(Process *p, Eterm arg1, Eterm arg2, Eterm arg3) bfs.global_result = &do_split_global_result; runres = do_binary_find(p, arg1, &bfs, bin, NIL, &result); if (runres == DO_BIN_MATCH_RESTART && bin_term == NIL) { - Eterm *hp = HAlloc(p, PROC_BIN_SIZE); - bin_term = erts_mk_magic_binary_term(&hp, &MSO(p), bin); + Eterm *hp = HAlloc(p, ERTS_MAGIC_REF_THING_SIZE); + bin_term = erts_mk_magic_ref(&hp, &MSO(p), bin); } else if (bin_term == NIL) { erts_bin_free(bin); } @@ -1767,7 +1767,8 @@ static BIF_RETTYPE binary_find_trap(BIF_ALIST_3) { int runres; Eterm result; - Binary *bin = ((ProcBin *) binary_val(BIF_ARG_3))->val; + Binary *bin = erts_magic_ref2bin(BIF_ARG_3); + runres = do_binary_find(BIF_P, BIF_ARG_1, NULL, bin, BIF_ARG_2, &result); if (runres == DO_BIN_MATCH_OK) { BIF_RET(result); @@ -2066,7 +2067,7 @@ static int do_search_backward(CommonData *cd, Uint *posp, Uint *redsp) } } -static void cleanup_common_data(Binary *bp) +static int cleanup_common_data(Binary *bp) { int i; CommonData *cd; @@ -2083,7 +2084,7 @@ static void cleanup_common_data(Binary *bp) break; } } - return; + return 1; } static BIF_RETTYPE do_longest_common(Process *p, Eterm list, int direction) @@ -2186,8 +2187,8 @@ static BIF_RETTYPE do_longest_common(Process *p, Eterm list, int direction) cd[i].type = CL_TYPE_HEAP; } } - hp = HAlloc(p, PROC_BIN_SIZE); - bin_term = erts_mk_magic_binary_term(&hp, &MSO(p), mb); + hp = HAlloc(p, ERTS_MAGIC_REF_THING_SIZE); + bin_term = erts_mk_magic_ref(&hp, &MSO(p), mb); BUMP_ALL_REDS(p); BIF_TRAP3(trapper, p, bin_term, epos,list); } @@ -2214,8 +2215,7 @@ static BIF_RETTYPE do_longest_common_trap(Process *p, Eterm bin_term, Eterm curr #else term_to_Uint(current_pos, &pos); #endif - ASSERT(ERTS_TERM_IS_MAGIC_BINARY(bin_term)); - bin = ((ProcBin *) binary_val(bin_term))->val; + bin = erts_magic_ref2bin(bin_term); cd = (CommonData *) ERTS_MAGIC_BIN_DATA(bin); if (direction == DIRECTION_PREFIX) { trapper = &binary_longest_prefix_trap_export; @@ -2563,7 +2563,7 @@ typedef struct { #define BINARY_COPY_LOOP_FACTOR 100 -static void cleanup_copy_bin_state(Binary *bp) +static int cleanup_copy_bin_state(Binary *bp) { CopyBinState *cbs = (CopyBinState *) ERTS_MAGIC_BIN_DATA(bp); if (cbs->result != NULL) { @@ -2583,6 +2583,7 @@ static void cleanup_copy_bin_state(Binary *bp) break; } cbs->source_type = BC_TYPE_EMPTY; + return 1; } /* @@ -2680,8 +2681,8 @@ static BIF_RETTYPE do_binary_copy(Process *p, Eterm bin, Eterm en) cbs->source_size = size; cbs->result_pos = pos; cbs->times_left = n-i; - hp = HAlloc(p,PROC_BIN_SIZE); - trap_term = erts_mk_magic_binary_term(&hp, &MSO(p), mb); + hp = HAlloc(p, ERTS_MAGIC_REF_THING_SIZE); + trap_term = erts_mk_magic_ref(&hp, &MSO(p), mb); BUMP_ALL_REDS(p); BIF_TRAP2(&binary_copy_trap_export, p, bin, trap_term); } else { @@ -2716,7 +2717,7 @@ BIF_RETTYPE binary_copy_trap(BIF_ALIST_2) Uint reds = get_reds(BIF_P, BINARY_COPY_LOOP_FACTOR); byte *t; Uint pos; - Binary *mb = ((ProcBin *) binary_val(BIF_ARG_2))->val; + Binary *mb = erts_magic_ref2bin(BIF_ARG_2); CopyBinState *cbs = (CopyBinState *) ERTS_MAGIC_BIN_DATA(mb); Uint opos; diff --git a/erts/emulator/beam/erl_bif_ddll.c b/erts/emulator/beam/erl_bif_ddll.c index 587859e413..2ce872d2bc 100644 --- a/erts/emulator/beam/erl_bif_ddll.c +++ b/erts/emulator/beam/erl_bif_ddll.c @@ -1109,25 +1109,25 @@ void erts_ddll_decrement_port_count(DE_Handle *dh) static void first_ddll_reference(DE_Handle *dh) { assert_drv_list_rwlocked(); - erts_refc_init(&(dh->refc),1); + erts_smp_refc_init(&(dh->refc),1); } void erts_ddll_reference_driver(DE_Handle *dh) { assert_drv_list_locked(); - if (erts_refc_inctest(&(dh->refc),1) == 1) { - erts_refc_inc(&(dh->refc),2); /* add a reference for the scheduled operation */ + if (erts_smp_refc_inctest(&(dh->refc),1) == 1) { + erts_smp_refc_inc(&(dh->refc),2); /* add a reference for the scheduled operation */ } } void erts_ddll_reference_referenced_driver(DE_Handle *dh) { - erts_refc_inc(&(dh->refc),2); + erts_smp_refc_inc(&(dh->refc),2); } void erts_ddll_dereference_driver(DE_Handle *dh) { - if (erts_refc_dectest(&(dh->refc),0) == 0) { + if (erts_smp_refc_dectest(&(dh->refc),0) == 0) { /* No lock here, but if the driver is referenced again, the scheduled deletion is added as a reference too, see above */ erts_schedule_misc_op(ddll_no_more_references, (void *) dh); @@ -1150,11 +1150,11 @@ static void restore_process_references(DE_Handle *dh) { DE_ProcEntry *p; assert_drv_list_rwlocked(); - ASSERT(erts_refc_read(&(dh->refc),0) == 0); + ASSERT(erts_smp_refc_read(&(dh->refc),0) == 0); for(p = dh->procs;p != NULL; p = p->next) { if (p->awaiting_status == ERL_DE_PROC_LOADED) { ASSERT(p->flags & ERL_DE_FL_DEREFERENCED); - erts_refc_inc(&(dh->refc),1); + erts_smp_refc_inc(&(dh->refc),1); p->flags &= ~ERL_DE_FL_DEREFERENCED; } } @@ -1176,9 +1176,9 @@ static void ddll_no_more_references(void *vdh) lock_drv_list(); - x = erts_refc_read(&(dh->refc),0); + x = erts_smp_refc_read(&(dh->refc),0); if (x > 0) { - x = erts_refc_dectest(&(dh->refc),0); /* delete the reference added for me */ + x = erts_smp_refc_dectest(&(dh->refc),0); /* delete the reference added for me */ } @@ -1476,8 +1476,10 @@ static void add_proc_loaded_deref(DE_Handle *dh, Process *proc) static Eterm copy_ref(Eterm ref, Eterm *hp) { - RefThing *ptr = ref_thing_ptr(ref); - memcpy(hp, ptr, sizeof(RefThing)); + ErtsORefThing *ptr; + ASSERT(is_internal_ordinary_ref(ref)); + ptr = ordinary_ref_thing_ptr(ref); + memcpy(hp, ptr, sizeof(ErtsORefThing)); return (make_internal_ref(hp)); } @@ -1643,7 +1645,7 @@ static int load_driver_entry(DE_Handle **dhp, char *path, char *name) dh->handle = NULL; dh->procs = NULL; erts_smp_atomic32_init_nob(&dh->port_count, 0); - erts_refc_init(&(dh->refc), (erts_aint_t) 0); + erts_smp_refc_init(&(dh->refc), (erts_aint_t) 0); dh->status = -1; dh->reload_full_path = NULL; dh->reload_driver_name = NULL; @@ -1681,7 +1683,7 @@ static int reload_driver_entry(DE_Handle *dh) dh->reload_full_path = NULL; dh->reload_driver_name = NULL; - ASSERT(erts_refc_read(&(dh->refc),0) == 0); + ASSERT(erts_smp_refc_read(&(dh->refc),0) == 0); ASSERT(dh->full_path != NULL); erts_free(ERTS_ALC_T_DDLL_HANDLE, (void *) dh->full_path); dh->full_path = NULL; @@ -1720,10 +1722,10 @@ static void notify_proc(Process *proc, Eterm ref, Eterm driver_name, Eterm type, Eterm e; mp = erts_alloc_message_heap(proc, &rp_locks, (6 /* tuple */ + 3 /* Error tuple */ + - REF_THING_SIZE + need), + ERTS_REF_THING_SIZE + need), &hp, &ohp); r = copy_ref(ref,hp); - hp += REF_THING_SIZE; + hp += ERTS_REF_THING_SIZE; e = build_load_error_hp(hp, errcode); hp += need; mess = TUPLE2(hp,tag,e); @@ -1731,10 +1733,10 @@ static void notify_proc(Process *proc, Eterm ref, Eterm driver_name, Eterm type, mess = TUPLE5(hp,type,r,am_driver,driver_name,mess); } else { mp = erts_alloc_message_heap(proc, &rp_locks, - 6 /* tuple */ + REF_THING_SIZE, + 6 /* tuple */ + ERTS_REF_THING_SIZE, &hp, &ohp); r = copy_ref(ref,hp); - hp += REF_THING_SIZE; + hp += ERTS_REF_THING_SIZE; mess = TUPLE5(hp,type,r,am_driver,driver_name,tag); } erts_queue_message(proc, rp_locks, mp, mess, am_system); diff --git a/erts/emulator/beam/erl_bif_guard.c b/erts/emulator/beam/erl_bif_guard.c index 458315f293..cdac4c1d11 100644 --- a/erts/emulator/beam/erl_bif_guard.c +++ b/erts/emulator/beam/erl_bif_guard.c @@ -190,7 +190,7 @@ BIF_RETTYPE round_1(BIF_ALIST_1) GET_DOUBLE(BIF_ARG_1, f); /* round it and return the resultant integer */ - res = double_to_integer(BIF_P, (f.fd > 0.0) ? f.fd + 0.5 : f.fd - 0.5); + res = double_to_integer(BIF_P, round(f.fd)); BIF_RET(res); } @@ -630,8 +630,7 @@ Eterm erts_gc_round_1(Process* p, Eterm* reg, Uint live) } GET_DOUBLE(arg, f); - return gc_double_to_integer(p, (f.fd > 0.0) ? f.fd + 0.5 : f.fd - 0.5, - reg, live); + return gc_double_to_integer(p, round(f.fd), reg, live); } Eterm erts_gc_trunc_1(Process* p, Eterm* reg, Uint live) diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c index 5ee19aead8..06a73ffea5 100644 --- a/erts/emulator/beam/erl_bif_info.c +++ b/erts/emulator/beam/erl_bif_info.c @@ -177,7 +177,33 @@ bld_bin_list(Uint **hpp, Uint *szp, ErlOffHeap* oh) if (szp) *szp += 4+2; if (hpp) { - Uint refc = (Uint) erts_smp_atomic_read_nob(&pb->val->refc); + Uint refc = (Uint) erts_refc_read(&pb->val->refc, 1); + tuple = TUPLE3(*hpp, val, orig_size, make_small(refc)); + res = CONS(*hpp + 4, tuple, res); + *hpp += 4+2; + } + } + } + return res; +} + +static Eterm +bld_magic_ref_bin_list(Uint **hpp, Uint *szp, ErlOffHeap* oh) +{ + struct erl_off_heap_header* ohh; + Eterm res = NIL; + Eterm tuple; + + for (ohh = oh->first; ohh; ohh = ohh->next) { + if (is_ref_thing_header((*((Eterm *) ohh)))) { + ErtsMRefThing *mrtp = (ErtsMRefThing *) ohh; + Eterm val = erts_bld_uword(hpp, szp, (UWord) mrtp->mb); + Eterm orig_size = erts_bld_uint(hpp, szp, mrtp->mb->orig_size); + + if (szp) + *szp += 4+2; + if (hpp) { + Uint refc = (Uint) erts_refc_read(&mrtp->mb->refc, 1); tuple = TUPLE3(*hpp, val, orig_size, make_small(refc)); res = CONS(*hpp + 4, tuple, res); *hpp += 4+2; @@ -202,8 +228,10 @@ bld_bin_list(Uint **hpp, Uint *szp, ErlOffHeap* oh) static void do_calc_mon_size(ErtsMonitor *mon, void *vpsz) { Uint *psz = vpsz; - *psz += IS_CONST(mon->ref) ? 0 : NC_HEAP_SIZE(mon->ref); - *psz += IS_CONST(mon->pid) ? 0 : NC_HEAP_SIZE(mon->pid); + *psz += NC_HEAP_SIZE(mon->ref); + *psz += (mon->type == MON_NIF_TARGET ? + erts_resource_ref_size(mon->u.resource) : + (is_immed(mon->u.pid) ? 0 : NC_HEAP_SIZE(mon->u.pid))); *psz += 8; /* CONS + 5-tuple */ } @@ -218,12 +246,11 @@ static void do_make_one_mon_element(ErtsMonitor *mon, void * vpmlc) { MonListContext *pmlc = vpmlc; Eterm tup; - Eterm r = (IS_CONST(mon->ref) - ? mon->ref - : STORE_NC(&(pmlc->hp), &MSO(pmlc->p), mon->ref)); - Eterm p = (IS_CONST(mon->pid) - ? mon->pid - : STORE_NC(&(pmlc->hp), &MSO(pmlc->p), mon->pid)); + Eterm r = STORE_NC(&(pmlc->hp), &MSO(pmlc->p), mon->ref); + Eterm p = (mon->type == MON_NIF_TARGET ? + erts_bld_resource_ref(&(pmlc->hp), &MSO(pmlc->p), mon->u.resource) + : (is_immed(mon->u.pid) ? mon->u.pid + : STORE_NC(&(pmlc->hp), &MSO(pmlc->p), mon->u.pid))); tup = TUPLE5(pmlc->hp, pmlc->tag, make_small(mon->type), r, p, mon->name); pmlc->hp += 6; pmlc->res = CONS(pmlc->hp, tup, pmlc->res); @@ -262,7 +289,7 @@ make_monitor_list(Process *p, ErtsMonitor *root) static void do_calc_lnk_size(ErtsLink *lnk, void *vpsz) { Uint *psz = vpsz; - *psz += IS_CONST(lnk->pid) ? 0 : NC_HEAP_SIZE(lnk->pid); + *psz += is_immed(lnk->pid) ? 0 : NC_HEAP_SIZE(lnk->pid); if (lnk->type != LINK_NODE && ERTS_LINK_ROOT(lnk) != NULL) { /* Node links use this pointer as ref counter... */ erts_doforall_links(ERTS_LINK_ROOT(lnk),&do_calc_lnk_size,vpsz); @@ -282,7 +309,7 @@ static void do_make_one_lnk_element(ErtsLink *lnk, void * vpllc) LnkListContext *pllc = vpllc; Eterm tup; Eterm old_res, targets = NIL; - Eterm p = (IS_CONST(lnk->pid) + Eterm p = (is_immed(lnk->pid) ? lnk->pid : STORE_NC(&(pllc->hp), &MSO(pllc->p), lnk->pid)); if (lnk->type == LINK_NODE) { @@ -366,8 +393,12 @@ erts_print_system_version(fmtfn_t to, void *arg, Process *c_p) typedef struct { /* {Entity,Node} = {monitor.Name,monitor.Pid} for external by name * {Entity,Node} = {monitor.Pid,NIL} for external/external by pid - * {Entity,Node} = {monitor.Name,erlang:node()} for internal by name */ - Eterm entity; + * {Entity,Node} = {monitor.Name,erlang:node()} for internal by name + * {Entity,Node} = {monitor.resource,MON_NIF_TARGET}*/ + union { + Eterm term; + ErtsResource* resource; + }entity; Eterm node; /* pid is actual target being monitored, no matter pid/port or name */ Eterm pid; @@ -413,7 +444,7 @@ static void collect_one_link(ErtsLink *lnk, void *vmicp) if (!(lnk->type == LINK_PID)) { return; } - micp->mi[micp->mi_i].entity = lnk->pid; + micp->mi[micp->mi_i].entity.term = lnk->pid; micp->sz += 2 + NC_HEAP_SIZE(lnk->pid); micp->mi_i++; } @@ -426,20 +457,20 @@ static void collect_one_origin_monitor(ErtsMonitor *mon, void *vmicp) return; } EXTEND_MONITOR_INFOS(micp); - if (is_atom(mon->pid)) { /* external by name */ - micp->mi[micp->mi_i].entity = mon->name; - micp->mi[micp->mi_i].node = mon->pid; + if (is_atom(mon->u.pid)) { /* external by name */ + micp->mi[micp->mi_i].entity.term = mon->name; + micp->mi[micp->mi_i].node = mon->u.pid; micp->sz += 3; /* need one 2-tuple */ - } else if (is_external_pid(mon->pid)) { /* external by pid */ - micp->mi[micp->mi_i].entity = mon->pid; + } else if (is_external_pid(mon->u.pid)) { /* external by pid */ + micp->mi[micp->mi_i].entity.term = mon->u.pid; micp->mi[micp->mi_i].node = NIL; - micp->sz += NC_HEAP_SIZE(mon->pid); + micp->sz += NC_HEAP_SIZE(mon->u.pid); } else if (!is_nil(mon->name)) { /* internal by name */ - micp->mi[micp->mi_i].entity = mon->name; + micp->mi[micp->mi_i].entity.term = mon->name; micp->mi[micp->mi_i].node = erts_this_dist_entry->sysname; micp->sz += 3; /* need one 2-tuple */ } else { /* internal by pid */ - micp->mi[micp->mi_i].entity = mon->pid; + micp->mi[micp->mi_i].entity.term = mon->u.pid; micp->mi[micp->mi_i].node = NIL; /* no additional heap space needed */ } @@ -447,7 +478,7 @@ static void collect_one_origin_monitor(ErtsMonitor *mon, void *vmicp) /* have always pid at hand, to assist with figuring out if its a port or * a process, when we monitored by name and process_info is requested. * See: erl_bif_info.c:process_info_aux section for am_monitors */ - micp->mi[micp->mi_i].pid = mon->pid; + micp->mi[micp->mi_i].pid = mon->u.pid; micp->mi_i++; micp->sz += 2 + 3; /* For a cons cell and a 2-tuple */ @@ -457,15 +488,24 @@ static void collect_one_target_monitor(ErtsMonitor *mon, void *vmicp) { MonitorInfoCollection *micp = vmicp; - if (mon->type != MON_TARGET) { - return; + if (mon->type != MON_TARGET && mon->type != MON_NIF_TARGET) { + return; } EXTEND_MONITOR_INFOS(micp); - micp->mi[micp->mi_i].node = NIL; - micp->mi[micp->mi_i].entity = mon->pid; - micp->sz += (NC_HEAP_SIZE(mon->pid) + 2 /* cons */); + + if (mon->type == MON_NIF_TARGET) { + micp->mi[micp->mi_i].entity.resource = mon->u.resource; + micp->mi[micp->mi_i].node = make_small(MON_NIF_TARGET); + micp->sz += erts_resource_ref_size(mon->u.resource); + } + else { + micp->mi[micp->mi_i].entity.term = mon->u.pid; + micp->mi[micp->mi_i].node = NIL; + micp->sz += NC_HEAP_SIZE(mon->u.pid); + } + micp->sz += 2; /* cons */; micp->mi_i++; } @@ -613,7 +653,8 @@ static Eterm pi_args[] = { am_current_location, am_current_stacktrace, am_message_queue_data, - am_garbage_collection_info + am_garbage_collection_info, + am_magic_ref }; #define ERTS_PI_ARGS ((int) (sizeof(pi_args)/sizeof(Eterm))) @@ -664,6 +705,7 @@ pi_arg2ix(Eterm arg) case am_current_stacktrace: return 31; case am_message_queue_data: return 32; case am_garbage_collection_info: return 33; + case am_magic_ref: return 34; default: return -1; } } @@ -1194,7 +1236,7 @@ process_info_aux(Process *BIF_P, hp = HAlloc(BIF_P, 3 + mic.sz); res = NIL; for (i = 0; i < mic.mi_i; i++) { - item = STORE_NC(&hp, &MSO(BIF_P), mic.mi[i].entity); + item = STORE_NC(&hp, &MSO(BIF_P), mic.mi[i].entity.term); res = CONS(hp, item, res); hp += 2; } @@ -1212,7 +1254,7 @@ process_info_aux(Process *BIF_P, hp = HAlloc(BIF_P, 3 + mic.sz); res = NIL; for (i = 0; i < mic.mi_i; i++) { - if (is_atom(mic.mi[i].entity)) { + if (is_atom(mic.mi[i].entity.term)) { /* Monitor by name. * Build {process|port, {Name, Node}} and cons it. */ @@ -1224,7 +1266,7 @@ process_info_aux(Process *BIF_P, || is_port(mic.mi[i].pid) || is_atom(mic.mi[i].pid)); - t1 = TUPLE2(hp, mic.mi[i].entity, mic.mi[i].node); + t1 = TUPLE2(hp, mic.mi[i].entity.term, mic.mi[i].node); hp += 3; t2 = TUPLE2(hp, m_type, t1); hp += 3; @@ -1234,7 +1276,7 @@ process_info_aux(Process *BIF_P, else { /* Monitor by pid. Build {process|port, Pid} and cons it. */ Eterm t; - Eterm pid = STORE_NC(&hp, &MSO(BIF_P), mic.mi[i].entity); + Eterm pid = STORE_NC(&hp, &MSO(BIF_P), mic.mi[i].entity.term); Eterm m_type = is_port(mic.mi[i].pid) ? am_port : am_process; ASSERT(is_pid(mic.mi[i].pid) @@ -1261,7 +1303,12 @@ process_info_aux(Process *BIF_P, res = NIL; for (i = 0; i < mic.mi_i; ++i) { - item = STORE_NC(&hp, &MSO(BIF_P), mic.mi[i].entity); + if (mic.mi[i].node == make_small(MON_NIF_TARGET)) { + item = erts_bld_resource_ref(&hp, &MSO(BIF_P), mic.mi[i].entity.resource); + } + else { + item = STORE_NC(&hp, &MSO(BIF_P), mic.mi[i].entity.term); + } res = CONS(hp, item, res); hp += 2; } @@ -1599,6 +1646,14 @@ process_info_aux(Process *BIF_P, hp = HAlloc(BIF_P, 3); break; + case am_magic_ref: { + Uint sz = 3; + (void) bld_magic_ref_bin_list(NULL, &sz, &MSO(rp)); + hp = HAlloc(BIF_P, sz); + res = bld_magic_ref_bin_list(&hp, NULL, &MSO(rp)); + break; + } + default: return THE_NON_VALUE; /* will produce badarg */ @@ -2950,7 +3005,7 @@ erts_bld_port_info(Eterm **hpp, ErlOffHeap *ohp, Uint *szp, Port *prt, if (hpp) { res = NIL; for (i = 0; i < mic.mi_i; i++) { - item = STORE_NC(hpp, ohp, mic.mi[i].entity); + item = STORE_NC(hpp, ohp, mic.mi[i].entity.term); res = CONS(*hpp, item, res); *hpp += 2; } @@ -2981,7 +3036,7 @@ erts_bld_port_info(Eterm **hpp, ErlOffHeap *ohp, Uint *szp, Port *prt, Eterm t; Eterm m_type; - item = STORE_NC(hpp, ohp, mic.mi[i].entity); + item = STORE_NC(hpp, ohp, mic.mi[i].entity.term); m_type = is_port(item) ? am_port : am_process; t = TUPLE2(*hpp, m_type, item); *hpp += 3; @@ -3010,7 +3065,8 @@ erts_bld_port_info(Eterm **hpp, ErlOffHeap *ohp, Uint *szp, Port *prt, if (hpp) { res = NIL; for (i = 0; i < mic.mi_i; ++i) { - item = STORE_NC(hpp, ohp, mic.mi[i].entity); + ASSERT(mic.mi[i].node == NIL); + item = STORE_NC(hpp, ohp, mic.mi[i].entity.term); res = CONS(*hpp, item, res); *hpp += 2; } @@ -3531,6 +3587,11 @@ BIF_RETTYPE error_logger_warning_map_0(BIF_ALIST_0) static erts_smp_atomic_t available_internal_state; +static int empty_magic_ref_destructor(Binary *bin) +{ + return 1; +} + BIF_RETTYPE erts_debug_get_internal_state_1(BIF_ALIST_1) { /* @@ -3896,6 +3957,34 @@ BIF_RETTYPE erts_debug_get_internal_state_1(BIF_ALIST_1) } return make_atom(ix); } + else if (ERTS_IS_ATOM_STR("magic_ref", tp[1])) { + Binary *bin; + UWord bin_addr, refc; + Eterm bin_addr_term, refc_term, test_type; + Uint sz; + Eterm *hp; + if (!is_internal_magic_ref(tp[2])) { + if (is_internal_ordinary_ref(tp[2])) { + ErtsORefThing *rtp; + rtp = (ErtsORefThing *) internal_ref_val(tp[2]); + if (erts_is_ref_numbers_magic(rtp->num)) + BIF_RET(am_true); + } + BIF_RET(am_false); + } + bin = erts_magic_ref2bin(tp[2]); + refc = erts_refc_read(&bin->refc, 1); + bin_addr = (UWord) bin; + sz = 4; + erts_bld_uword(NULL, &sz, bin_addr); + erts_bld_uword(NULL, &sz, refc); + hp = HAlloc(BIF_P, sz); + bin_addr_term = erts_bld_uword(&hp, NULL, bin_addr); + refc_term = erts_bld_uword(&hp, NULL, refc); + test_type = (ERTS_MAGIC_BIN_DESTRUCTOR(bin) == empty_magic_ref_destructor + ? am_true : am_false); + BIF_RET(TUPLE3(hp, bin_addr_term, refc_term, test_type)); + } break; } @@ -3984,7 +4073,6 @@ static void broken_halt_test(Eterm bif_arg_2) erts_exit(ERTS_DUMP_EXIT, "%T", bif_arg_2); } - BIF_RETTYPE erts_debug_set_internal_state_2(BIF_ALIST_2) { /* @@ -4314,6 +4402,21 @@ BIF_RETTYPE erts_debug_set_internal_state_2(BIF_ALIST_2) /* Used by ets_SUITE (stdlib) */ BIF_RET(erts_ets_restore_meta_state(BIF_P, BIF_ARG_2)); } + else if (ERTS_IS_ATOM_STR("make", BIF_ARG_1)) { + if (ERTS_IS_ATOM_STR("magic_ref", BIF_ARG_2)) { + Binary *bin = erts_create_magic_binary(0, empty_magic_ref_destructor); + UWord bin_addr = (UWord) bin; + Eterm bin_addr_term, magic_ref, res; + Eterm *hp; + Uint sz = ERTS_MAGIC_REF_THING_SIZE + 3; + erts_bld_uword(NULL, &sz, bin_addr); + hp = HAlloc(BIF_P, sz); + bin_addr_term = erts_bld_uword(&hp, NULL, bin_addr); + magic_ref = erts_mk_magic_ref(&hp, &BIF_P->off_heap, bin); + res = TUPLE2(hp, magic_ref, bin_addr_term); + BIF_RET(res); + } + } } BIF_ERROR(BIF_P, BADARG); diff --git a/erts/emulator/beam/erl_bif_os.c b/erts/emulator/beam/erl_bif_os.c index 46777d3aa5..edc3c82b23 100644 --- a/erts/emulator/beam/erl_bif_os.c +++ b/erts/emulator/beam/erl_bif_os.c @@ -203,3 +203,17 @@ BIF_RETTYPE os_unsetenv_1(BIF_ALIST_1) } BIF_RET(am_true); } + +BIF_RETTYPE os_set_signal_2(BIF_ALIST_2) { + if (is_atom(BIF_ARG_1) && ((BIF_ARG_2 == am_ignore) || + (BIF_ARG_2 == am_default) || + (BIF_ARG_2 == am_handle))) { + if (!erts_set_signal(BIF_ARG_1, BIF_ARG_2)) + goto error; + + BIF_RET(am_ok); + } + +error: + BIF_ERROR(BIF_P, BADARG); +} diff --git a/erts/emulator/beam/erl_bif_port.c b/erts/emulator/beam/erl_bif_port.c index 90e78a9b0b..09d2c5376b 100644 --- a/erts/emulator/beam/erl_bif_port.c +++ b/erts/emulator/beam/erl_bif_port.c @@ -214,7 +214,7 @@ BIF_RETTYPE erts_internal_port_command_3(BIF_ALIST_3) ASSERT(!(flags & ERTS_PORT_SIG_FLG_FORCE)); /* Fall through... */ case ERTS_PORT_OP_SCHEDULED: - ASSERT(is_internal_ref(ref)); + ASSERT(is_internal_ordinary_ref(ref)); ERTS_BIF_PREP_RET(res, ref); break; case ERTS_PORT_OP_DONE: @@ -260,7 +260,7 @@ BIF_RETTYPE erts_internal_port_call_3(BIF_ALIST_3) retval = am_badarg; break; case ERTS_PORT_OP_SCHEDULED: - ASSERT(is_internal_ref(retval)); + ASSERT(is_internal_ordinary_ref(retval)); break; case ERTS_PORT_OP_DONE: ASSERT(is_not_internal_ref(retval)); @@ -310,7 +310,7 @@ BIF_RETTYPE erts_internal_port_control_3(BIF_ALIST_3) retval = am_badarg; break; case ERTS_PORT_OP_SCHEDULED: - ASSERT(is_internal_ref(retval)); + ASSERT(is_internal_ordinary_ref(retval)); break; case ERTS_PORT_OP_DONE: ASSERT(is_not_internal_ref(retval)); @@ -356,7 +356,7 @@ BIF_RETTYPE erts_internal_port_close_1(BIF_ALIST_1) case ERTS_PORT_OP_DROPPED: BIF_RET(am_badarg); case ERTS_PORT_OP_SCHEDULED: - ASSERT(is_internal_ref(ref)); + ASSERT(is_internal_ordinary_ref(ref)); BIF_RET(ref); case ERTS_PORT_OP_DONE: BIF_RET(am_true); @@ -389,7 +389,7 @@ BIF_RETTYPE erts_internal_port_connect_2(BIF_ALIST_2) case ERTS_PORT_OP_DROPPED: BIF_RET(am_badarg); case ERTS_PORT_OP_SCHEDULED: - ASSERT(is_internal_ref(ref)); + ASSERT(is_internal_ordinary_ref(ref)); BIF_RET(ref); break; case ERTS_PORT_OP_DONE: @@ -428,7 +428,7 @@ BIF_RETTYPE erts_internal_port_info_1(BIF_ALIST_1) case ERTS_PORT_OP_DROPPED: BIF_RET(am_undefined); case ERTS_PORT_OP_SCHEDULED: - ASSERT(is_internal_ref(retval)); + ASSERT(is_internal_ordinary_ref(retval)); BIF_RET(retval); case ERTS_PORT_OP_DONE: ASSERT(is_not_internal_ref(retval)); @@ -467,7 +467,7 @@ BIF_RETTYPE erts_internal_port_info_2(BIF_ALIST_2) case ERTS_PORT_OP_DROPPED: BIF_RET(am_undefined); case ERTS_PORT_OP_SCHEDULED: - ASSERT(is_internal_ref(retval)); + ASSERT(is_internal_ordinary_ref(retval)); BIF_RET(retval); case ERTS_PORT_OP_DONE: ASSERT(is_not_internal_ref(retval)); diff --git a/erts/emulator/beam/erl_bif_re.c b/erts/emulator/beam/erl_bif_re.c index ff7746ce1d..a66b05c6ff 100644 --- a/erts/emulator/beam/erl_bif_re.c +++ b/erts/emulator/beam/erl_bif_re.c @@ -600,10 +600,11 @@ static void cleanup_restart_context(RestartContext *rc) } } -static void cleanup_restart_context_bin(Binary *bp) +static int cleanup_restart_context_bin(Binary *bp) { RestartContext *rc = ERTS_MAGIC_BIN_DATA(bp); cleanup_restart_context(rc); + return 1; } /* @@ -1319,17 +1320,17 @@ handle_iolist: Binary *mbp = erts_create_magic_binary(sizeof(RestartContext), cleanup_restart_context_bin); RestartContext *restartp = ERTS_MAGIC_BIN_DATA(mbp); - Eterm magic_bin; + Eterm magic_ref; Eterm *hp; memcpy(restartp,&restart,sizeof(RestartContext)); BUMP_ALL_REDS(p); - hp = HAlloc(p, PROC_BIN_SIZE); - magic_bin = erts_mk_magic_binary_term(&hp, &MSO(p), mbp); + hp = HAlloc(p, ERTS_MAGIC_REF_THING_SIZE); + magic_ref = erts_mk_magic_ref(&hp, &MSO(p), mbp); BIF_TRAP3(&re_exec_trap_export, p, arg1, arg2 /* To avoid GC of precompiled code, XXX: not utilized yet */, - magic_bin); + magic_ref); } res = build_exec_return(p, rc, &restart, arg1); @@ -1366,9 +1367,7 @@ static BIF_RETTYPE re_exec_trap(BIF_ALIST_3) Uint loop_limit_tmp; Eterm res; - ASSERT(ERTS_TERM_IS_MAGIC_BINARY(BIF_ARG_3)); - - mbp = ((ProcBin *) binary_val(BIF_ARG_3))->val; + mbp = erts_magic_ref2bin(BIF_ARG_3); ASSERT(ERTS_MAGIC_BIN_DESTRUCTOR(mbp) == cleanup_restart_context_bin); diff --git a/erts/emulator/beam/erl_bif_trace.c b/erts/emulator/beam/erl_bif_trace.c index a480754bdb..f471390501 100644 --- a/erts/emulator/beam/erl_bif_trace.c +++ b/erts/emulator/beam/erl_bif_trace.c @@ -2363,7 +2363,7 @@ BIF_RETTYPE system_profile_2(BIF_ALIST_2) typedef struct { Process *proc; Eterm ref; - Eterm ref_heap[REF_THING_SIZE]; + Eterm ref_heap[ERTS_REF_THING_SIZE]; Eterm target; erts_smp_atomic32_t refc; } ErtsTraceDeliveredAll; diff --git a/erts/emulator/beam/erl_bif_unique.c b/erts/emulator/beam/erl_bif_unique.c index 7c70217d8d..3fd4c87094 100644 --- a/erts/emulator/beam/erl_bif_unique.c +++ b/erts/emulator/beam/erl_bif_unique.c @@ -22,12 +22,15 @@ # include "config.h" #endif +#define ERL_BIF_UNIQUE_C__ #include "sys.h" #include "erl_vm.h" #include "erl_alloc.h" #include "export.h" #include "bif.h" #include "erl_bif_unique.h" +#include "hash.h" +#include "erl_binary.h" /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\ * Reference * @@ -58,9 +61,20 @@ static union { static Uint32 max_thr_id; #endif +static void init_magic_ref_tables(void); + +static Uint64 ref_init_value; + static void init_reference(void) { + SysTimeval tv; + sys_gettimeofday(&tv); + ref_init_value = 0; + ref_init_value |= (Uint64) tv.tv_sec; + ref_init_value |= ((Uint64) tv.tv_usec) << 32; + ref_init_value *= (Uint64) 268438039; + ref_init_value += (Uint64) tv.tv_usec; #ifdef DEBUG max_thr_id = (Uint32) erts_no_schedulers; #ifdef ERTS_DIRTY_SCHEDULERS @@ -68,11 +82,13 @@ init_reference(void) max_thr_id += (Uint32) erts_no_dirty_io_schedulers; #endif #endif - erts_atomic64_init_nob(&global_reference.count, 0); + erts_atomic64_init_nob(&global_reference.count, + (erts_aint64_t) ref_init_value); + init_magic_ref_tables(); } static ERTS_INLINE void -global_make_ref_in_array(Uint32 thr_id, Uint32 ref[ERTS_MAX_REF_NUMBERS]) +global_make_ref_in_array(Uint32 thr_id, Uint32 ref[ERTS_REF_NUMBERS]) { Uint64 value; @@ -82,7 +98,7 @@ global_make_ref_in_array(Uint32 thr_id, Uint32 ref[ERTS_MAX_REF_NUMBERS]) } static ERTS_INLINE void -make_ref_in_array(Uint32 ref[ERTS_MAX_REF_NUMBERS]) +make_ref_in_array(Uint32 ref[ERTS_REF_NUMBERS]) { ErtsSchedulerData *esdp = erts_get_scheduler_data(); if (esdp) @@ -92,15 +108,23 @@ make_ref_in_array(Uint32 ref[ERTS_MAX_REF_NUMBERS]) } void -erts_make_ref_in_array(Uint32 ref[ERTS_MAX_REF_NUMBERS]) +erts_make_ref_in_array(Uint32 ref[ERTS_REF_NUMBERS]) +{ + make_ref_in_array(ref); +} + +void +erts_make_magic_ref_in_array(Uint32 ref[ERTS_REF_NUMBERS]) { make_ref_in_array(ref); + ASSERT(!(ref[1] & ERTS_REF1_MAGIC_MARKER_BIT__)); + ref[1] |= ERTS_REF1_MAGIC_MARKER_BIT__; } -Eterm erts_make_ref_in_buffer(Eterm buffer[REF_THING_SIZE]) +Eterm erts_make_ref_in_buffer(Eterm buffer[ERTS_REF_THING_SIZE]) { Eterm* hp = buffer; - Uint32 ref[ERTS_MAX_REF_NUMBERS]; + Uint32 ref[ERTS_REF_NUMBERS]; make_ref_in_array(ref); write_ref_thing(hp, ref[0], ref[1], ref[2]); @@ -110,11 +134,11 @@ Eterm erts_make_ref_in_buffer(Eterm buffer[REF_THING_SIZE]) Eterm erts_make_ref(Process *c_p) { Eterm* hp; - Uint32 ref[ERTS_MAX_REF_NUMBERS]; + Uint32 ref[ERTS_REF_NUMBERS]; ERTS_SMP_LC_ASSERT(ERTS_PROC_LOCK_MAIN & erts_proc_lc_my_proc_locks(c_p)); - hp = HAlloc(c_p, REF_THING_SIZE); + hp = HAlloc(c_p, ERTS_REF_THING_SIZE); make_ref_in_array(ref); write_ref_thing(hp, ref[0], ref[1], ref[2]); @@ -122,6 +146,272 @@ Eterm erts_make_ref(Process *c_p) return make_internal_ref(hp); } +/* + * Magic reference tables + */ + +typedef struct { + HashBucket hash; + ErtsMagicBinary *mb; + Uint64 value; + Uint32 thr_id; +} ErtsMagicRefTableEntry; + +typedef struct { + erts_rwmtx_t rwmtx; + Hash hash; + char name[32]; +} ErtsMagicRefTable; + +typedef struct { + union { + ErtsMagicRefTable table; + char align__[ERTS_ALC_CACHE_LINE_ALIGN_SIZE(sizeof(ErtsMagicRefTable))]; + } u; +} ErtsAlignedMagicRefTable; + +ErtsAlignedMagicRefTable *magic_ref_table; + +ErtsMagicBinary * +erts_magic_ref_lookup_bin__(Uint32 refn[ERTS_REF_NUMBERS]) +{ + ErtsMagicRefTableEntry tmpl; + ErtsMagicRefTableEntry *tep; + ErtsMagicBinary *mb; + ErtsMagicRefTable *tblp; + + ASSERT(erts_is_ref_numbers_magic(refn)); + + tmpl.value = erts_get_ref_numbers_value(refn); + tmpl.thr_id = erts_get_ref_numbers_thr_id(refn); + if (tmpl.thr_id > erts_no_schedulers) + tblp = &magic_ref_table[0].u.table; + else + tblp = &magic_ref_table[tmpl.thr_id].u.table; + + erts_rwmtx_rlock(&tblp->rwmtx); + + tep = (ErtsMagicRefTableEntry *) hash_get(&tblp->hash, &tmpl); + if (!tep) + mb = NULL; + else { + erts_aint_t refc; + mb = tep->mb; + refc = erts_refc_inc_unless(&mb->refc, 0, 0); + if (refc == 0) + mb = NULL; + } + + erts_rwmtx_runlock(&tblp->rwmtx); + + return mb; +} + +void +erts_magic_ref_save_bin__(Eterm ref) +{ + ErtsMagicRefTableEntry tmpl; + ErtsMagicRefTableEntry *tep; + ErtsMRefThing *mrtp; + ErtsMagicRefTable *tblp; + Uint32 *refn; + + ASSERT(is_internal_magic_ref(ref)); + + mrtp = (ErtsMRefThing *) internal_ref_val(ref); + refn = mrtp->mb->refn; + + tmpl.value = erts_get_ref_numbers_value(refn); + tmpl.thr_id = erts_get_ref_numbers_thr_id(refn); + + if (tmpl.thr_id > erts_no_schedulers) + tblp = &magic_ref_table[0].u.table; + else + tblp = &magic_ref_table[tmpl.thr_id].u.table; + + erts_rwmtx_rlock(&tblp->rwmtx); + + tep = (ErtsMagicRefTableEntry *) hash_get(&tblp->hash, &tmpl); + + erts_rwmtx_runlock(&tblp->rwmtx); + + if (!tep) { + ErtsMagicRefTableEntry *used_tep; + + ASSERT(tmpl.value == erts_get_ref_numbers_value(refn)); + ASSERT(tmpl.thr_id == erts_get_ref_numbers_thr_id(refn)); + + if (tblp != &magic_ref_table[0].u.table) { + tep = erts_alloc(ERTS_ALC_T_MREF_NSCHED_ENT, + sizeof(ErtsNSchedMagicRefTableEntry)); + } + else { + tep = erts_alloc(ERTS_ALC_T_MREF_ENT, + sizeof(ErtsMagicRefTableEntry)); + tep->thr_id = tmpl.thr_id; + } + + tep->value = tmpl.value; + tep->mb = mrtp->mb; + + erts_rwmtx_rwlock(&tblp->rwmtx); + + used_tep = hash_put(&tblp->hash, tep); + + erts_rwmtx_rwunlock(&tblp->rwmtx); + + if (used_tep != tep) { + if (tblp != &magic_ref_table[0].u.table) + erts_free(ERTS_ALC_T_MREF_NSCHED_ENT, (void *) tep); + else + erts_free(ERTS_ALC_T_MREF_ENT, (void *) tep); + } + } +} + +void +erts_magic_ref_remove_bin(Uint32 refn[ERTS_REF_NUMBERS]) +{ + ErtsMagicRefTableEntry tmpl; + ErtsMagicRefTableEntry *tep; + ErtsMagicRefTable *tblp; + + tmpl.value = erts_get_ref_numbers_value(refn); + tmpl.thr_id = erts_get_ref_numbers_thr_id(refn); + + if (tmpl.thr_id > erts_no_schedulers) + tblp = &magic_ref_table[0].u.table; + else + tblp = &magic_ref_table[tmpl.thr_id].u.table; + + erts_rwmtx_rlock(&tblp->rwmtx); + + tep = (ErtsMagicRefTableEntry *) hash_get(&tblp->hash, &tmpl); + + erts_rwmtx_runlock(&tblp->rwmtx); + + if (tep) { + + ASSERT(tmpl.value == erts_get_ref_numbers_value(refn)); + ASSERT(tmpl.thr_id == erts_get_ref_numbers_thr_id(refn)); + + erts_rwmtx_rwlock(&tblp->rwmtx); + + tep = hash_remove(&tblp->hash, &tmpl); + ASSERT(tep); + + erts_rwmtx_rwunlock(&tblp->rwmtx); + + if (tblp != &magic_ref_table[0].u.table) + erts_free(ERTS_ALC_T_MREF_NSCHED_ENT, (void *) tep); + else + erts_free(ERTS_ALC_T_MREF_ENT, (void *) tep); + } +} + +static int nsched_mreft_cmp(void *ve1, void *ve2) +{ + ErtsNSchedMagicRefTableEntry *e1 = ve1; + ErtsNSchedMagicRefTableEntry *e2 = ve2; + return e1->value != e2->value; +} + +static int non_nsched_mreft_cmp(void *ve1, void *ve2) +{ + ErtsMagicRefTableEntry *e1 = ve1; + ErtsMagicRefTableEntry *e2 = ve2; + return e1->value != e2->value || e1->thr_id != e2->thr_id; +} + +static HashValue nsched_mreft_hash(void *ve) +{ + ErtsNSchedMagicRefTableEntry *e = ve; + return (HashValue) e->value; +} + +static HashValue non_nsched_mreft_hash(void *ve) +{ + ErtsMagicRefTableEntry *e = ve; + HashValue h; + h = (HashValue) e->thr_id; + h *= 268440163; + h += (HashValue) e->value; + return h; +} + +static void *mreft_alloc(void *ve) +{ + /* + * We allocate the element before + * hash_put() and pass it as + * template which we get as + * input... + */ + return ve; +} + +static void mreft_free(void *ve) +{ + /* + * We free the element ourselves + * after hash_remove()... + */ +} + +static void *mreft_meta_alloc(int i, size_t size) +{ + return erts_alloc(ERTS_ALC_T_MREF_TAB_BKTS, size); +} + +static void mreft_meta_free(int i, void *ptr) +{ + erts_free(ERTS_ALC_T_MREF_TAB_BKTS, ptr); +} + +static void +init_magic_ref_tables(void) +{ + HashFunctions hash_funcs; + int i; + ErtsMagicRefTable *tblp; + + magic_ref_table = erts_alloc_permanent_cache_aligned(ERTS_ALC_T_MREF_TAB, + (sizeof(ErtsAlignedMagicRefTable) + * (erts_no_schedulers + 1))); + + hash_funcs.hash = non_nsched_mreft_hash; + hash_funcs.cmp = non_nsched_mreft_cmp; + + hash_funcs.alloc = mreft_alloc; + hash_funcs.free = mreft_free; + hash_funcs.meta_alloc = mreft_meta_alloc; + hash_funcs.meta_free = mreft_meta_free; + hash_funcs.meta_print = erts_print; + + tblp = &magic_ref_table[0].u.table; + erts_snprintf(&tblp->name[0], sizeof(tblp->name), + "magic_ref_table_0"); + hash_init(0, &tblp->hash, &tblp->name[0], 1, hash_funcs); + erts_rwmtx_init(&tblp->rwmtx, "magic_ref_table"); + + hash_funcs.hash = nsched_mreft_hash; + hash_funcs.cmp = nsched_mreft_cmp; + + for (i = 1; i <= erts_no_schedulers; i++) { + ErtsMagicRefTable *tblp = &magic_ref_table[i].u.table; + erts_snprintf(&tblp->name[0], sizeof(tblp->name), + "magic_ref_table_%d", i); + hash_init(0, &tblp->hash, &tblp->name[0], 1, hash_funcs); + erts_rwmtx_init(&tblp->rwmtx, "magic_ref_table"); + } +} + +void erts_ref_bin_free(ErtsMagicBinary *mb) +{ + erts_bin_free((Binary *) mb); +} + + /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\ * Unique Integer * \* */ @@ -498,7 +788,7 @@ void erts_sched_bif_unique_init(ErtsSchedulerData *esdp) { esdp->unique = (Uint64) 0; - esdp->ref = (Uint64) 0; + esdp->ref = (Uint64) ref_init_value; } /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\ @@ -513,7 +803,7 @@ BIF_RETTYPE make_ref_0(BIF_ALIST_0) ERTS_SMP_LC_ASSERT(ERTS_PROC_LOCK_MAIN & erts_proc_lc_my_proc_locks(BIF_P)); - hp = HAlloc(BIF_P, REF_THING_SIZE); + hp = HAlloc(BIF_P, ERTS_REF_THING_SIZE); res = erts_sched_make_ref_in_buffer(erts_proc_sched_data(BIF_P), hp); diff --git a/erts/emulator/beam/erl_bif_unique.h b/erts/emulator/beam/erl_bif_unique.h index c6481864d0..27c2a15a5e 100644 --- a/erts/emulator/beam/erl_bif_unique.h +++ b/erts/emulator/beam/erl_bif_unique.h @@ -21,16 +21,25 @@ #ifndef ERTS_BIF_UNIQUE_H__ #define ERTS_BIF_UNIQUE_H__ +#include "erl_term.h" #include "erl_process.h" #include "big.h" +#define ERTS_BINARY_TYPES_ONLY__ +#include "erl_binary.h" +#undef ERTS_BINARY_TYPES_ONLY__ void erts_bif_unique_init(void); void erts_sched_bif_unique_init(ErtsSchedulerData *esdp); /* reference */ Eterm erts_make_ref(Process *); -Eterm erts_make_ref_in_buffer(Eterm buffer[REF_THING_SIZE]); -void erts_make_ref_in_array(Uint32 ref[ERTS_MAX_REF_NUMBERS]); +Eterm erts_make_ref_in_buffer(Eterm buffer[ERTS_REF_THING_SIZE]); +void erts_make_ref_in_array(Uint32 ref[ERTS_REF_NUMBERS]); +void erts_make_magic_ref_in_array(Uint32 ref[ERTS_REF_NUMBERS]); +void erts_magic_ref_remove_bin(Uint32 refn[ERTS_REF_NUMBERS]); +void erts_magic_ref_save_bin__(Eterm ref); +ErtsMagicBinary *erts_magic_ref_lookup_bin__(Uint32 refn[ERTS_REF_NUMBERS]); + /* strict monotonic counter */ @@ -67,19 +76,35 @@ Eterm erts_debug_make_unique_integer(Process *c_p, Eterm etval1); -ERTS_GLB_INLINE void erts_set_ref_numbers(Uint32 ref[ERTS_MAX_REF_NUMBERS], +ERTS_GLB_INLINE void erts_set_ref_numbers(Uint32 ref[ERTS_REF_NUMBERS], Uint32 thr_id, Uint64 value); -ERTS_GLB_INLINE Uint32 erts_get_ref_numbers_thr_id(Uint32 ref[ERTS_MAX_REF_NUMBERS]); -ERTS_GLB_INLINE Uint64 erts_get_ref_numbers_value(Uint32 ref[ERTS_MAX_REF_NUMBERS]); +ERTS_GLB_INLINE Uint32 erts_get_ref_numbers_thr_id(Uint32 ref[ERTS_REF_NUMBERS]); +ERTS_GLB_INLINE int erts_is_ref_numbers_magic(Uint32 ref[ERTS_REF_NUMBERS]); +ERTS_GLB_INLINE Uint64 erts_get_ref_numbers_value(Uint32 ref[ERTS_REF_NUMBERS]); ERTS_GLB_INLINE void erts_sched_make_ref_in_array(ErtsSchedulerData *esdp, - Uint32 ref[ERTS_MAX_REF_NUMBERS]); + Uint32 ref[ERTS_REF_NUMBERS]); +ERTS_GLB_INLINE void erts_sched_make_magic_ref_in_array(ErtsSchedulerData *esdp, + Uint32 ref[ERTS_REF_NUMBERS]); ERTS_GLB_INLINE Eterm erts_sched_make_ref_in_buffer(ErtsSchedulerData *esdp, - Eterm buffer[REF_THING_SIZE]); + Eterm buffer[ERTS_REF_THING_SIZE]); +ERTS_GLB_INLINE Eterm erts_mk_magic_ref(Eterm **hpp, ErlOffHeap *ohp, Binary *mbp); +ERTS_GLB_INLINE Binary *erts_magic_ref2bin(Eterm mref); +ERTS_GLB_INLINE void erts_magic_ref_save_bin(Eterm ref); +ERTS_GLB_INLINE ErtsMagicBinary *erts_magic_ref_lookup_bin(Uint32 ref[ERTS_REF_NUMBERS]); + +#define ERTS_REF1_MAGIC_MARKER_BIT_NO__ \ + (_REF_NUM_SIZE-1) +#define ERTS_REF1_MAGIC_MARKER_BIT__ \ + (((Uint32) 1) << ERTS_REF1_MAGIC_MARKER_BIT_NO__) +#define ERTS_REF1_THR_ID_MASK__ \ + (ERTS_REF1_MAGIC_MARKER_BIT__-1) +#define ERTS_REF1_NUM_MASK__ \ + (~(ERTS_REF1_THR_ID_MASK__|ERTS_REF1_MAGIC_MARKER_BIT__)) #if ERTS_GLB_INLINE_INCL_FUNC_DEF ERTS_GLB_INLINE void -erts_set_ref_numbers(Uint32 ref[ERTS_MAX_REF_NUMBERS], Uint32 thr_id, Uint64 value) +erts_set_ref_numbers(Uint32 ref[ERTS_REF_NUMBERS], Uint32 thr_id, Uint64 value) { /* * We cannot use thread id in the first 18-bit word since @@ -87,30 +112,39 @@ erts_set_ref_numbers(Uint32 ref[ERTS_MAX_REF_NUMBERS], Uint32 thr_id, Uint64 val * we did, we would get really poor hash values. Instead * we have to shuffle the bits a bit. */ - ASSERT(thr_id == (thr_id & ((Uint32) 0x3ffff))); - ref[0] = (Uint32) (value & ((Uint64) 0x3ffff)); - ref[1] = (((Uint32) (value & ((Uint64) 0xfffc0000))) - | (thr_id & ((Uint32) 0x3ffff))); + ASSERT(thr_id == (thr_id & ((Uint32) ERTS_REF1_THR_ID_MASK__))); + ref[0] = (Uint32) (value & ((Uint64) REF_MASK)); + ref[1] = (((Uint32) (value & ((Uint64) ERTS_REF1_NUM_MASK__))) + | (thr_id & ((Uint32) ERTS_REF1_THR_ID_MASK__))); ref[2] = (Uint32) ((value >> 32) & ((Uint64) 0xffffffff)); } ERTS_GLB_INLINE Uint32 -erts_get_ref_numbers_thr_id(Uint32 ref[ERTS_MAX_REF_NUMBERS]) +erts_get_ref_numbers_thr_id(Uint32 ref[ERTS_REF_NUMBERS]) { - return ref[1] & ((Uint32) 0x3ffff); + return ref[1] & ((Uint32) ERTS_REF1_THR_ID_MASK__); +} + +ERTS_GLB_INLINE int +erts_is_ref_numbers_magic(Uint32 ref[ERTS_REF_NUMBERS]) +{ + return !!(ref[1] & ERTS_REF1_MAGIC_MARKER_BIT__); } ERTS_GLB_INLINE Uint64 -erts_get_ref_numbers_value(Uint32 ref[ERTS_MAX_REF_NUMBERS]) +erts_get_ref_numbers_value(Uint32 ref[ERTS_REF_NUMBERS]) { + ERTS_CT_ASSERT((ERTS_REF1_NUM_MASK__ | REF_MASK) == 0xffffffff); + ERTS_CT_ASSERT((ERTS_REF1_NUM_MASK__ & REF_MASK) == 0); + return (((((Uint64) ref[2]) & ((Uint64) 0xffffffff)) << 32) - | (((Uint64) ref[1]) & ((Uint64) 0xfffc0000)) - | (((Uint64) ref[0]) & ((Uint64) 0x3ffff))); + | (((Uint64) ref[1]) & ((Uint64) ERTS_REF1_NUM_MASK__)) + | (((Uint64) ref[0]) & ((Uint64) REF_MASK))); } ERTS_GLB_INLINE void erts_sched_make_ref_in_array(ErtsSchedulerData *esdp, - Uint32 ref[ERTS_MAX_REF_NUMBERS]) + Uint32 ref[ERTS_REF_NUMBERS]) { Uint64 value; @@ -119,18 +153,288 @@ erts_sched_make_ref_in_array(ErtsSchedulerData *esdp, erts_set_ref_numbers(ref, (Uint32) esdp->thr_id, value); } +ERTS_GLB_INLINE void +erts_sched_make_magic_ref_in_array(ErtsSchedulerData *esdp, + Uint32 ref[ERTS_REF_NUMBERS]) +{ + erts_sched_make_ref_in_array(esdp, ref); + ASSERT(!(ref[1] & ERTS_REF1_MAGIC_MARKER_BIT__)); + ref[1] |= ERTS_REF1_MAGIC_MARKER_BIT__; +} + ERTS_GLB_INLINE Eterm erts_sched_make_ref_in_buffer(ErtsSchedulerData *esdp, - Eterm buffer[REF_THING_SIZE]) + Eterm buffer[ERTS_REF_THING_SIZE]) { Eterm* hp = buffer; - Uint32 ref[ERTS_MAX_REF_NUMBERS]; + Uint32 ref[ERTS_REF_NUMBERS]; erts_sched_make_ref_in_array(esdp, ref); write_ref_thing(hp, ref[0], ref[1], ref[2]); return make_internal_ref(hp); } +ERTS_GLB_INLINE Eterm +erts_mk_magic_ref(Eterm **hpp, ErlOffHeap *ohp, Binary *bp) +{ + Eterm *hp = *hpp; + ASSERT(bp->flags & BIN_FLAG_MAGIC); + write_magic_ref_thing(hp, ohp, (ErtsMagicBinary *) bp); + *hpp += ERTS_MAGIC_REF_THING_SIZE; + erts_refc_inc(&bp->refc, 1); + OH_OVERHEAD(ohp, bp->orig_size / sizeof(Eterm)); + return make_internal_ref(hp); +} + +ERTS_GLB_INLINE Binary * +erts_magic_ref2bin(Eterm mref) +{ + ErtsMRefThing *mrtp; + ASSERT(is_internal_magic_ref(mref)); + mrtp = (ErtsMRefThing *) internal_ref_val(mref); + return (Binary *) mrtp->mb; +} + +/* + * Save the magic binary of a ref when the + * ref is exposed to the outside world... + */ +ERTS_GLB_INLINE void +erts_magic_ref_save_bin(Eterm ref) +{ + if (is_internal_magic_ref(ref)) + erts_magic_ref_save_bin__(ref); +} + +/* + * Look up the magic binary of a magic ref + * when the ref comes from the outside world... + */ +ERTS_GLB_INLINE ErtsMagicBinary * +erts_magic_ref_lookup_bin(Uint32 ref[ERTS_REF_NUMBERS]) +{ + if (!erts_is_ref_numbers_magic(ref)) + return NULL; + return erts_magic_ref_lookup_bin__(ref); +} + + #endif /* ERTS_GLB_INLINE_INCL_FUNC_DEF */ + +/* + * Storage of internal refs in misc structures... + */ + +#include "erl_message.h" + +#if ERTS_REF_NUMBERS != 3 +# error fix this... +#endif + +ERTS_GLB_INLINE int erts_internal_ref_number_cmp(Uint32 num1[ERTS_REF_NUMBERS], + Uint32 num2[ERTS_REF_NUMBERS]); + +#if ERTS_GLB_INLINE_INCL_FUNC_DEF + +ERTS_GLB_INLINE int +erts_internal_ref_number_cmp(Uint32 num1[ERTS_REF_NUMBERS], + Uint32 num2[ERTS_REF_NUMBERS]) +{ + if (num1[2] != num2[2]) + return (int) ((Sint64) num1[2] - (Sint64) num2[2]); + if (num1[1] != num2[1]) + return (int) ((Sint64) num1[1] - (Sint64) num2[1]); + if (num1[0] != num2[0]) + return (int) ((Sint64) num1[0] - (Sint64) num2[0]); + return 0; +} + +#endif /* #if ERTS_GLB_INLINE_INCL_FUNC_DEF */ + +/* Iref storage for all internal references... */ +typedef struct { + Uint32 is_magic; + union { + ErtsMagicBinary *mb; + Uint32 num[ERTS_REF_NUMBERS]; + } u; +} ErtsIRefStorage; + +void erts_ref_bin_free(ErtsMagicBinary *mb); + +ERTS_GLB_INLINE void erts_iref_storage_save(ErtsIRefStorage *iref, Eterm ref); +ERTS_GLB_INLINE void erts_iref_storage_clean(ErtsIRefStorage *iref); +ERTS_GLB_INLINE Uint erts_iref_storage_heap_size(ErtsIRefStorage *iref); +ERTS_GLB_INLINE Eterm erts_iref_storage_make_ref(ErtsIRefStorage *iref, + Eterm **hpp, ErlOffHeap *ohp, + int clean_storage); +ERTS_GLB_INLINE int erts_iref_storage_cmp(ErtsIRefStorage *iref1, + ErtsIRefStorage *iref2); + + +#if ERTS_GLB_INLINE_INCL_FUNC_DEF + +ERTS_GLB_INLINE void +erts_iref_storage_save(ErtsIRefStorage *iref, Eterm ref) +{ + Eterm *hp; + + ERTS_CT_ASSERT(ERTS_REF_NUMBERS == 3); + ASSERT(is_internal_ref(ref)); + + hp = boxed_val(ref); + + if (is_ordinary_ref_thing(hp)) { + ErtsORefThing *rtp = (ErtsORefThing *) hp; + iref->is_magic = 0; + iref->u.num[0] = rtp->num[0]; + iref->u.num[1] = rtp->num[1]; + iref->u.num[2] = rtp->num[2]; + } + else { + ErtsMRefThing *mrtp = (ErtsMRefThing *) hp; + ASSERT(is_magic_ref_thing(hp)); + iref->is_magic = 1; + iref->u.mb = mrtp->mb; + erts_refc_inc(&mrtp->mb->refc, 1); + } +} + +ERTS_GLB_INLINE void +erts_iref_storage_clean(ErtsIRefStorage *iref) +{ + if (iref->is_magic && erts_refc_dectest(&iref->u.mb->refc, 0) == 0) + erts_ref_bin_free(iref->u.mb); +#ifdef DEBUG + memset((void *) iref, 0xf, sizeof(ErtsIRefStorage)); +#endif +} + +ERTS_GLB_INLINE Uint +erts_iref_storage_heap_size(ErtsIRefStorage *iref) +{ + return iref->is_magic ? ERTS_MAGIC_REF_THING_SIZE : ERTS_REF_THING_SIZE; +} + +ERTS_GLB_INLINE Eterm +erts_iref_storage_make_ref(ErtsIRefStorage *iref, + Eterm **hpp, ErlOffHeap *ohp, + int clean_storage) +{ + Eterm *hp = *hpp; + if (!iref->is_magic) { + write_ref_thing(hp, iref->u.num[0], iref->u.num[1], + iref->u.num[2]); + *hpp += ERTS_REF_THING_SIZE; + } + else { + write_magic_ref_thing(hp, ohp, iref->u.mb); + OH_OVERHEAD(ohp, iref->u.mb->orig_size / sizeof(Eterm)); + *hpp += ERTS_MAGIC_REF_THING_SIZE; + /* + * If we clean storage, the term inherits the + * refc increment of the cleaned storage... + */ + if (!clean_storage) + erts_refc_inc(&iref->u.mb->refc, 1); + } + +#ifdef DEBUG + if (clean_storage) + memset((void *) iref, 0xf, sizeof(ErtsIRefStorage)); +#endif + + return make_internal_ref(hp); +} + +ERTS_GLB_INLINE int +erts_iref_storage_cmp(ErtsIRefStorage *iref1, + ErtsIRefStorage *iref2) +{ + Uint32 *num1 = iref1->is_magic ? iref1->u.mb->refn : iref1->u.num; + Uint32 *num2 = iref2->is_magic ? iref2->u.mb->refn : iref2->u.num; + return erts_internal_ref_number_cmp(num1, num2); +} + +#endif /* #if ERTS_GLB_INLINE_INCL_FUNC_DEF */ + + +/* OIref storage for ordinary internal references only... */ +typedef struct { + Uint32 num[ERTS_REF_NUMBERS]; +} ErtsOIRefStorage; + +ERTS_GLB_INLINE void erts_oiref_storage_save(ErtsOIRefStorage *oiref, + Eterm ref); +ERTS_GLB_INLINE Eterm erts_oiref_storage_make_ref(ErtsOIRefStorage *oiref, + Eterm **hpp); +ERTS_GLB_INLINE int erts_oiref_storage_cmp(ErtsOIRefStorage *oiref1, + ErtsOIRefStorage *oiref2); + +#if ERTS_GLB_INLINE_INCL_FUNC_DEF + +ERTS_GLB_INLINE void +erts_oiref_storage_save(ErtsOIRefStorage *oiref, Eterm ref) +{ + ErtsORefThing *rtp; + ERTS_CT_ASSERT(ERTS_REF_NUMBERS == 3); + ASSERT(is_internal_ordinary_ref(ref)); + + rtp = (ErtsORefThing *) internal_ref_val(ref); + + oiref->num[0] = rtp->num[0]; + oiref->num[1] = rtp->num[1]; + oiref->num[2] = rtp->num[2]; +} + +ERTS_GLB_INLINE Eterm +erts_oiref_storage_make_ref(ErtsOIRefStorage *oiref, Eterm **hpp) +{ + Eterm *hp = *hpp; + ERTS_CT_ASSERT(ERTS_REF_NUMBERS == 3); + write_ref_thing(hp, oiref->num[0], oiref->num[1], oiref->num[2]); + *hpp += ERTS_REF_THING_SIZE; + return make_internal_ref(hp); +} + +ERTS_GLB_INLINE int +erts_oiref_storage_cmp(ErtsOIRefStorage *oiref1, + ErtsOIRefStorage *oiref2) +{ + return erts_internal_ref_number_cmp(oiref1->num, oiref2->num); +} + +#endif /* #if ERTS_GLB_INLINE_INCL_FUNC_DEF */ + + +ERTS_GLB_INLINE Eterm +erts_proc_store_ref(Process *c_p, Uint32 ref[ERTS_MAX_REF_NUMBERS]); + +#if ERTS_GLB_INLINE_INCL_FUNC_DEF + +ERTS_GLB_INLINE Eterm +erts_proc_store_ref(Process *c_p, Uint32 ref[ERTS_MAX_REF_NUMBERS]) +{ + Eterm *hp = HAlloc(c_p, ERTS_REF_THING_SIZE); + write_ref_thing(hp, ref[0], ref[1], ref[2]); + return make_internal_ref(hp); +} + +#endif + #endif /* ERTS_BIF_UNIQUE_H__ */ + +#if (defined(ERTS_ALLOC_C__) || defined(ERL_BIF_UNIQUE_C__)) \ + && !defined(ERTS_BIF_UNIQUE_H__FIX_ALLOC_TYPES__) +#define ERTS_BIF_UNIQUE_H__FIX_ALLOC_TYPES__ + +#include "hash.h" + +typedef struct { + HashBucket hash; + ErtsMagicBinary *mb; + Uint64 value; +} ErtsNSchedMagicRefTableEntry; + +#endif diff --git a/erts/emulator/beam/erl_binary.h b/erts/emulator/beam/erl_binary.h index fdc5efea98..6ff71ec6d1 100644 --- a/erts/emulator/beam/erl_binary.h +++ b/erts/emulator/beam/erl_binary.h @@ -18,34 +18,151 @@ * %CopyrightEnd% */ -#ifndef __ERL_BINARY_H -#define __ERL_BINARY_H +#ifndef ERL_BINARY_H__TYPES__ +#define ERL_BINARY_H__TYPES__ -#include "erl_threads.h" -#include "bif.h" +/* +** Just like the driver binary but with initial flags +** Note that the two structures Binary and ErlDrvBinary HAVE to +** be equal except for extra fields in the beginning of the struct. +** ErlDrvBinary is defined in erl_driver.h. +** When driver_alloc_binary is called, a Binary is allocated, but +** the pointer returned is to the address of the first element that +** also occurs in the ErlDrvBinary struct (driver.*binary takes care if this). +** The driver need never know about additions to the internal Binary of the +** emulator. One should however NEVER be sloppy when mixing ErlDrvBinary +** and Binary, the macros below can convert one type to the other, as they both +** in reality are equal. +*/ + +#ifdef ARCH_32 + /* *DO NOT USE* only for alignment. */ +#define ERTS_BINARY_STRUCT_ALIGNMENT Uint32 align__; +#else +#define ERTS_BINARY_STRUCT_ALIGNMENT +#endif + +/* Add fields in ERTS_INTERNAL_BINARY_FIELDS, otherwise the drivers crash */ +#define ERTS_INTERNAL_BINARY_FIELDS \ + UWord flags; \ + erts_refc_t refc; \ + ERTS_BINARY_STRUCT_ALIGNMENT + +typedef struct binary { + ERTS_INTERNAL_BINARY_FIELDS + SWord orig_size; + char orig_bytes[1]; /* to be continued */ +} Binary; + +#define ERTS_SIZEOF_Binary(Sz) \ + (offsetof(Binary,orig_bytes) + (Sz)) + +#if ERTS_REF_NUMBERS != 3 +#error "Update ErtsMagicBinary" +#endif + +typedef struct magic_binary ErtsMagicBinary; +struct magic_binary { + ERTS_INTERNAL_BINARY_FIELDS + SWord orig_size; + int (*destructor)(Binary *); + Uint32 refn[ERTS_REF_NUMBERS]; + ErtsAlcType_t alloc_type; + union { + struct { + ERTS_BINARY_STRUCT_ALIGNMENT + char data[1]; + } aligned; + struct { + char data[1]; + } unaligned; + } u; +}; + +#define ERTS_MAGIC_BIN_BYTES_TO_ALIGN \ + (offsetof(ErtsMagicBinary,u.aligned.data) - \ + offsetof(ErtsMagicBinary,u.unaligned.data)) + +typedef union { + Binary binary; + ErtsMagicBinary magic_binary; + struct { + ERTS_INTERNAL_BINARY_FIELDS + ErlDrvBinary binary; + } driver; +} ErtsBinary; /* - * Maximum number of bytes to place in a heap binary. + * 'Binary' alignment: + * Address of orig_bytes[0] of a Binary should always be 8-byte aligned. + * It is assumed that the flags, refc, and orig_size fields are 4 bytes on + * 32-bits architectures and 8 bytes on 64-bits architectures. */ -#define ERL_ONHEAP_BIN_LIMIT 64 +#define ERTS_MAGIC_BIN_REFN(BP) \ + ((ErtsBinary *) (BP))->magic_binary.refn +#define ERTS_MAGIC_BIN_ATYPE(BP) \ + ((ErtsBinary *) (BP))->magic_binary.alloc_type +#define ERTS_MAGIC_DATA_OFFSET \ + (offsetof(ErtsMagicBinary,u.aligned.data) - offsetof(Binary,orig_bytes)) +#define ERTS_MAGIC_BIN_DESTRUCTOR(BP) \ + ((ErtsBinary *) (BP))->magic_binary.destructor +#define ERTS_MAGIC_BIN_DATA(BP) \ + ((void *) ((ErtsBinary *) (BP))->magic_binary.u.aligned.data) +#define ERTS_MAGIC_BIN_DATA_SIZE(BP) \ + ((BP)->orig_size - ERTS_MAGIC_DATA_OFFSET) +#define ERTS_MAGIC_DATA_OFFSET \ + (offsetof(ErtsMagicBinary,u.aligned.data) - offsetof(Binary,orig_bytes)) +#define ERTS_MAGIC_BIN_ORIG_SIZE(Sz) \ + (ERTS_MAGIC_DATA_OFFSET + (Sz)) +#define ERTS_MAGIC_BIN_SIZE(Sz) \ + (offsetof(ErtsMagicBinary,u.aligned.data) + (Sz)) +#define ERTS_MAGIC_BIN_FROM_DATA(DATA) \ + ((ErtsBinary*)((char*)(DATA) - offsetof(ErtsMagicBinary,u.aligned.data))) + +/* On 32-bit arch these macro variants will save memory + by not forcing 8-byte alignment for the magic payload. +*/ +#define ERTS_MAGIC_BIN_UNALIGNED_DATA(BP) \ + ((void *) ((ErtsBinary *) (BP))->magic_binary.u.unaligned.data) +#define ERTS_MAGIC_UNALIGNED_DATA_OFFSET \ + (offsetof(ErtsMagicBinary,u.unaligned.data) - offsetof(Binary,orig_bytes)) +#define ERTS_MAGIC_BIN_UNALIGNED_DATA_SIZE(BP) \ + ((BP)->orig_size - ERTS_MAGIC_UNALIGNED_DATA_OFFSET) +#define ERTS_MAGIC_BIN_UNALIGNED_ORIG_SIZE(Sz) \ + (ERTS_MAGIC_UNALIGNED_DATA_OFFSET + (Sz)) +#define ERTS_MAGIC_BIN_UNALIGNED_SIZE(Sz) \ + (offsetof(ErtsMagicBinary,u.unaligned.data) + (Sz)) +#define ERTS_MAGIC_BIN_FROM_UNALIGNED_DATA(DATA) \ + ((ErtsBinary*)((char*)(DATA) - offsetof(ErtsMagicBinary,u.unaligned.data))) + + +#define Binary2ErlDrvBinary(B) (&((ErtsBinary *) (B))->driver.binary) +#define ErlDrvBinary2Binary(D) ((Binary *) \ + (((char *) (D)) \ + - offsetof(ErtsBinary, driver.binary))) + +/* A "magic" binary flag */ +#define BIN_FLAG_MAGIC 1 +#define BIN_FLAG_USR1 2 /* Reserved for use by different modules too mark */ +#define BIN_FLAG_USR2 4 /* certain binaries as special (used by ets) */ +#define BIN_FLAG_DRV 8 + +#endif /* ERL_BINARY_H__TYPES__ */ + +#if !defined(ERL_BINARY_H__) && !defined(ERTS_BINARY_TYPES_ONLY__) +#define ERL_BINARY_H__ + +#include "erl_threads.h" +#include "bif.h" +#include "erl_bif_unique.h" +#include "erl_bits.h" /* - * This structure represents a SUB_BINARY. - * - * Note: The last field (orig) is not counted in arityval in the header. - * This simplifies garbage collection. + * Maximum number of bytes to place in a heap binary. */ -typedef struct erl_sub_bin { - Eterm thing_word; /* Subtag SUB_BINARY_SUBTAG. */ - Uint size; /* Binary size in bytes. */ - Uint offs; /* Offset into original binary. */ - byte bitsize; - byte bitoffs; - byte is_writable; /* The underlying binary is writable */ - Eterm orig; /* Original binary (REFC or HEAP binary). */ -} ErlSubBin; +#define ERL_ONHEAP_BIN_LIMIT 64 #define ERL_SUB_BIN_SIZE (sizeof(ErlSubBin)/sizeof(Eterm)) #define HEADER_SUB_BIN _make_header(ERL_SUB_BIN_SIZE-2,_TAG_HEADER_SUB_BIN) @@ -165,6 +282,17 @@ BIF_RETTYPE erts_gc_binary_part(Process *p, Eterm *reg, Eterm live, int range_is BIF_RETTYPE erts_binary_part(Process *p, Eterm binary, Eterm epos, Eterm elen); +typedef union { + /* + * These two are almost always of + * the same size, but when fallback + * atomics are used they might + * differ in size. + */ + erts_smp_atomic_t smp_atomic_word; + erts_atomic_t atomic_word; +} ErtsMagicIndirectionWord; + #if defined(__i386__) || !defined(__GNUC__) /* * Doubles aren't required to be 8-byte aligned on intel x86. @@ -189,10 +317,14 @@ ERTS_GLB_INLINE Binary *erts_bin_realloc_fnf(Binary *bp, Uint size); ERTS_GLB_INLINE Binary *erts_bin_realloc(Binary *bp, Uint size); ERTS_GLB_INLINE void erts_bin_free(Binary *bp); ERTS_GLB_INLINE Binary *erts_create_magic_binary_x(Uint size, - void (*destructor)(Binary *), + int (*destructor)(Binary *), + ErtsAlcType_t alloc_type, int unaligned); ERTS_GLB_INLINE Binary *erts_create_magic_binary(Uint size, - void (*destructor)(Binary *)); + int (*destructor)(Binary *)); +ERTS_GLB_INLINE Binary *erts_create_magic_indirection(int (*destructor)(Binary *)); +ERTS_GLB_INLINE erts_smp_atomic_t *erts_smp_binary_to_magic_indirection(Binary *bp); +ERTS_GLB_INLINE erts_atomic_t *erts_binary_to_magic_indirection(Binary *bp); #if ERTS_GLB_INLINE_INCL_FUNC_DEF @@ -320,39 +452,79 @@ erts_bin_realloc(Binary *bp, Uint size) ERTS_GLB_INLINE void erts_bin_free(Binary *bp) { - if (bp->flags & BIN_FLAG_MAGIC) - ERTS_MAGIC_BIN_DESTRUCTOR(bp)(bp); - if (bp->flags & BIN_FLAG_DRV) + if (bp->flags & BIN_FLAG_MAGIC) { + if (!ERTS_MAGIC_BIN_DESTRUCTOR(bp)(bp)) { + /* Destructor took control of the deallocation */ + return; + } + erts_magic_ref_remove_bin(ERTS_MAGIC_BIN_REFN(bp)); + erts_free(ERTS_MAGIC_BIN_ATYPE(bp), (void *) bp); + } + else if (bp->flags & BIN_FLAG_DRV) erts_free(ERTS_ALC_T_DRV_BINARY, (void *) bp); else erts_free(ERTS_ALC_T_BINARY, (void *) bp); } ERTS_GLB_INLINE Binary * -erts_create_magic_binary_x(Uint size, void (*destructor)(Binary *), +erts_create_magic_binary_x(Uint size, int (*destructor)(Binary *), + ErtsAlcType_t alloc_type, int unaligned) { Uint bsize = unaligned ? ERTS_MAGIC_BIN_UNALIGNED_SIZE(size) : ERTS_MAGIC_BIN_SIZE(size); - Binary* bptr = erts_alloc_fnf(ERTS_ALC_T_BINARY, bsize); + Binary* bptr = erts_alloc_fnf(alloc_type, bsize); ASSERT(bsize > size); if (!bptr) - erts_alloc_n_enomem(ERTS_ALC_T2N(ERTS_ALC_T_BINARY), bsize); + erts_alloc_n_enomem(ERTS_ALC_T2N(alloc_type), bsize); ERTS_CHK_BIN_ALIGNMENT(bptr); bptr->flags = BIN_FLAG_MAGIC; bptr->orig_size = unaligned ? ERTS_MAGIC_BIN_UNALIGNED_ORIG_SIZE(size) : ERTS_MAGIC_BIN_ORIG_SIZE(size); erts_refc_init(&bptr->refc, 0); ERTS_MAGIC_BIN_DESTRUCTOR(bptr) = destructor; + ERTS_MAGIC_BIN_ATYPE(bptr) = alloc_type; + erts_make_magic_ref_in_array(ERTS_MAGIC_BIN_REFN(bptr)); return bptr; } ERTS_GLB_INLINE Binary * -erts_create_magic_binary(Uint size, void (*destructor)(Binary *)) +erts_create_magic_binary(Uint size, int (*destructor)(Binary *)) +{ + return erts_create_magic_binary_x(size, destructor, + ERTS_ALC_T_BINARY, 0); +} + +ERTS_GLB_INLINE Binary * +erts_create_magic_indirection(int (*destructor)(Binary *)) +{ + return erts_create_magic_binary_x(sizeof(ErtsMagicIndirectionWord), + destructor, + ERTS_ALC_T_MINDIRECTION, + 1); /* Not 64-bit aligned, + but word aligned */ +} + +ERTS_GLB_INLINE erts_smp_atomic_t * +erts_smp_binary_to_magic_indirection(Binary *bp) +{ + ErtsMagicIndirectionWord *mip; + ASSERT(bp->flags & BIN_FLAG_MAGIC); + ASSERT(ERTS_MAGIC_BIN_ATYPE(bp) == ERTS_ALC_T_MINDIRECTION); + mip = ERTS_MAGIC_BIN_UNALIGNED_DATA(bp); + return &mip->smp_atomic_word; +} + +ERTS_GLB_INLINE erts_atomic_t * +erts_binary_to_magic_indirection(Binary *bp) { - return erts_create_magic_binary_x(size, destructor, 0); + ErtsMagicIndirectionWord *mip; + ASSERT(bp->flags & BIN_FLAG_MAGIC); + ASSERT(ERTS_MAGIC_BIN_ATYPE(bp) == ERTS_ALC_T_MINDIRECTION); + mip = ERTS_MAGIC_BIN_UNALIGNED_DATA(bp); + return &mip->atomic_word; } #endif /* #if ERTS_GLB_INLINE_INCL_FUNC_DEF */ -#endif /* !__ERL_BINARY_H */ +#endif /* !ERL_BINARY_H__ */ diff --git a/erts/emulator/beam/erl_bits.c b/erts/emulator/beam/erl_bits.c index 6bf52fb303..885e955332 100644 --- a/erts/emulator/beam/erl_bits.c +++ b/erts/emulator/beam/erl_bits.c @@ -110,9 +110,6 @@ erts_init_bits(void) { ERTS_CT_ASSERT(offsetof(Binary,orig_bytes) % 8 == 0); ERTS_CT_ASSERT(offsetof(ErtsMagicBinary,u.aligned.data) % 8 == 0); - ERTS_CT_ASSERT(ERTS_MAGIC_BIN_BYTES_TO_ALIGN == - (offsetof(ErtsMagicBinary,u.aligned.data) - - offsetof(ErtsMagicBinary,u.unaligned.data))); ERTS_CT_ASSERT(offsetof(ErtsBinary,driver.binary.orig_bytes) == offsetof(Binary,orig_bytes)); diff --git a/erts/emulator/beam/erl_bits.h b/erts/emulator/beam/erl_bits.h index 4bd5b24157..1b4546722f 100644 --- a/erts/emulator/beam/erl_bits.h +++ b/erts/emulator/beam/erl_bits.h @@ -22,6 +22,23 @@ #define __ERL_BITS_H__ /* + * This structure represents a SUB_BINARY. + * + * Note: The last field (orig) is not counted in arityval in the header. + * This simplifies garbage collection. + */ + +typedef struct erl_sub_bin { + Eterm thing_word; /* Subtag SUB_BINARY_SUBTAG. */ + Uint size; /* Binary size in bytes. */ + Uint offs; /* Offset into original binary. */ + byte bitsize; + byte bitoffs; + byte is_writable; /* The underlying binary is writable */ + Eterm orig; /* Original binary (REFC or HEAP binary). */ +} ErlSubBin; + +/* * This structure represents a binary to be matched. */ diff --git a/erts/emulator/beam/erl_db.c b/erts/emulator/beam/erl_db.c index fd092015bd..9f077dd407 100644 --- a/erts/emulator/beam/erl_db.c +++ b/erts/emulator/beam/erl_db.c @@ -266,7 +266,7 @@ static void schedule_free_dbtable(DbTable* tb) * Caller is *not* allowed to access the specialized part * (hash or tree) of *tb after this function has returned. */ - ASSERT(erts_refc_read(&tb->common.ref, 0) == 0); + ASSERT(erts_smp_refc_read(&tb->common.ref, 0) == 0); erts_schedule_thr_prgr_later_cleanup_op(free_dbtable, (void *) tb, &tb->release.data, @@ -600,11 +600,11 @@ done: */ static ERTS_INLINE void local_fix_table(DbTable* tb) { - erts_refc_inc(&tb->common.ref, 1); + erts_smp_refc_inc(&tb->common.ref, 1); } static ERTS_INLINE void local_unfix_table(DbTable* tb) { - if (erts_refc_dectest(&tb->common.ref, 0) == 0) { + if (erts_smp_refc_dectest(&tb->common.ref, 0) == 0) { ASSERT(IS_HASH_TABLE(tb->common.status)); db_unfix_table_hash(&(tb->hash)); } @@ -1487,7 +1487,7 @@ BIF_RETTYPE ets_new_2(BIF_ALIST_2) tb->common.type = status & ERTS_ETS_TABLE_TYPES; /* Note, 'type' is *read only* from now on... */ #endif - erts_refc_init(&tb->common.ref, 0); + erts_smp_refc_init(&tb->common.ref, 0); db_init_lock(tb, status & (DB_FINE_LOCKED|DB_FREQ_READ), "db_tab", "db_tab_fix"); tb->common.keypos = keypos; @@ -2779,7 +2779,7 @@ BIF_RETTYPE ets_info_2(BIF_ALIST_2) BIF_RETTYPE ets_is_compiled_ms_1(BIF_ALIST_1) { - if (erts_db_is_compiled_ms(BIF_ARG_1)) { + if (erts_db_get_match_prog_binary(BIF_ARG_1)) { BIF_RET(am_true); } else { BIF_RET(am_false); @@ -2794,9 +2794,9 @@ BIF_RETTYPE ets_match_spec_compile_1(BIF_ALIST_1) BIF_ERROR(BIF_P, BADARG); } - hp = HAlloc(BIF_P, PROC_BIN_SIZE); + hp = HAlloc(BIF_P, ERTS_MAGIC_REF_THING_SIZE); - BIF_RET(erts_mk_magic_binary_term(&hp, &MSO(BIF_P), mp)); + BIF_RET(erts_db_make_match_prog_ref(BIF_P, mp, &hp)); } BIF_RETTYPE ets_match_spec_run_r_3(BIF_ALIST_3) @@ -2805,24 +2805,18 @@ BIF_RETTYPE ets_match_spec_run_r_3(BIF_ALIST_3) int i = 0; Eterm *hp; Eterm lst; - ProcBin *bp; Binary *mp; Eterm res; Uint32 dummy; - if (!(is_list(BIF_ARG_1) || BIF_ARG_1 == NIL) || !is_binary(BIF_ARG_2)) { + if (!(is_list(BIF_ARG_1) || BIF_ARG_1 == NIL)) { error: BIF_ERROR(BIF_P, BADARG); } - bp = (ProcBin*) binary_val(BIF_ARG_2); - if (thing_subtag(bp->thing_word) != REFC_BINARY_SUBTAG) { + mp = erts_db_get_match_prog_binary(BIF_ARG_2); + if (!mp) goto error; - } - mp = bp->val; - if (!IsMatchProgBinary(mp)) { - goto error; - } if (BIF_ARG_1 == NIL) { BIF_RET(BIF_ARG_3); @@ -2990,7 +2984,7 @@ void init_db(ErtsDbSpinCount db_spin_count) meta_pid_to_tab->common.meth = &db_hash; meta_pid_to_tab->common.compress = 0; - erts_refc_init(&meta_pid_to_tab->common.ref, 0); + erts_smp_refc_init(&meta_pid_to_tab->common.ref, 0); /* Neither rwlock or fixlock used db_init_lock(meta_pid_to_tab, "meta_pid_to_tab", "meta_pid_to_tab_FIX");*/ @@ -3021,7 +3015,7 @@ void init_db(ErtsDbSpinCount db_spin_count) meta_pid_to_fixed_tab->common.meth = &db_hash; meta_pid_to_fixed_tab->common.compress = 0; - erts_refc_init(&meta_pid_to_fixed_tab->common.ref, 0); + erts_smp_refc_init(&meta_pid_to_fixed_tab->common.ref, 0); /* Neither rwlock or fixlock used db_init_lock(meta_pid_to_fixed_tab, "meta_pid_to_fixed_tab", "meta_pid_to_fixed_tab_FIX");*/ @@ -3382,7 +3376,7 @@ erts_db_process_exiting(Process *c_p, ErtsProcLocks c_p_locks) if ((*pp)->pid == pid) { DbFixation* fix = *pp; erts_aint_t diff = -((erts_aint_t) fix->counter); - erts_refc_add(&tb->common.ref,diff,0); + erts_smp_refc_add(&tb->common.ref,diff,0); *pp = fix->next; erts_db_free(ERTS_ALC_T_DB_FIXATION, tb, fix, sizeof(DbFixation)); @@ -3458,7 +3452,7 @@ static void fix_table_locked(Process* p, DbTable* tb) #ifdef ERTS_SMP erts_smp_mtx_lock(&tb->common.fixlock); #endif - erts_refc_inc(&tb->common.ref,1); + erts_smp_refc_inc(&tb->common.ref,1); fix = tb->common.fixations; if (fix == NULL) { tb->common.time.monotonic @@ -3514,7 +3508,7 @@ static void unfix_table_locked(Process* p, DbTable* tb, for (pp = &tb->common.fixations; *pp != NULL; pp = &(*pp)->next) { if ((*pp)->pid == p->common.id) { DbFixation* fix = *pp; - erts_refc_dec(&tb->common.ref,0); + erts_smp_refc_dec(&tb->common.ref,0); --(fix->counter); ASSERT(fix->counter >= 0); if (fix->counter > 0) { @@ -3563,7 +3557,7 @@ static void free_fixations_locked(DbTable *tb) fix = tb->common.fixations; while (fix != NULL) { erts_aint_t diff = -((erts_aint_t) fix->counter); - erts_refc_add(&tb->common.ref,diff,0); + erts_smp_refc_add(&tb->common.ref,diff,0); next_fix = fix->next; db_meta_lock(meta_pid_to_fixed_tab, LCK_WRITE_REC); db_erase_bag_exact2(meta_pid_to_fixed_tab, diff --git a/erts/emulator/beam/erl_db_hash.c b/erts/emulator/beam/erl_db_hash.c index b2a231467b..bb29d56aa7 100644 --- a/erts/emulator/beam/erl_db_hash.c +++ b/erts/emulator/beam/erl_db_hash.c @@ -1287,15 +1287,13 @@ static int db_select_continue_hash(Process *p, if (arityval(*tptr) != 6) RET_TO_BIF(NIL,DB_ERROR_BADPARAM); - if (!is_small(tptr[2]) || !is_small(tptr[3]) || !is_binary(tptr[4]) || + if (!is_small(tptr[2]) || !is_small(tptr[3]) || !(is_list(tptr[5]) || tptr[5] == NIL) || !is_small(tptr[6])) RET_TO_BIF(NIL,DB_ERROR_BADPARAM); if ((chunk_size = signed_val(tptr[3])) < 0) RET_TO_BIF(NIL,DB_ERROR_BADPARAM); - if (!(thing_subtag(*binary_val(tptr[4])) == REFC_BINARY_SUBTAG)) - RET_TO_BIF(NIL,DB_ERROR_BADPARAM); - mp = ((ProcBin *) binary_val(tptr[4]))->val; - if (!IsMatchProgBinary(mp)) + mp = erts_db_get_match_prog_binary(tptr[4]); + if (!mp) RET_TO_BIF(NIL,DB_ERROR_BADPARAM); all_objects = mp->flags & BIN_FLAG_ALL_OBJECTS; match_list = tptr[5]; @@ -1554,8 +1552,8 @@ done: been in 'user space' */ } if (rest != NIL || slot_ix >= 0) { /* Need more calls */ - hp = HAlloc(p,3+7+PROC_BIN_SIZE); - mpb =db_make_mp_binary(p,(mpi.mp),&hp); + hp = HAlloc(p,3+7+ERTS_MAGIC_REF_THING_SIZE); + mpb = erts_db_make_match_prog_ref(p,(mpi.mp),&hp); if (mpi.all_objects) (mpi.mp)->flags |= BIN_FLAG_ALL_OBJECTS; continuation = TUPLE6(hp, tb->common.id,make_small(slot_ix), @@ -1580,8 +1578,8 @@ trap: BUMP_ALL_REDS(p); if (mpi.all_objects) (mpi.mp)->flags |= BIN_FLAG_ALL_OBJECTS; - hp = HAlloc(p,7+PROC_BIN_SIZE); - mpb =db_make_mp_binary(p,(mpi.mp),&hp); + hp = HAlloc(p,7+ERTS_MAGIC_REF_THING_SIZE); + mpb = erts_db_make_match_prog_ref(p,(mpi.mp),&hp); continuation = TUPLE6(hp, tb->common.id, make_small(slot_ix), make_small(chunk_size), mpb, match_list, @@ -1693,15 +1691,15 @@ done: trap: BUMP_ALL_REDS(p); if (IS_USMALL(0, got)) { - hp = HAlloc(p, PROC_BIN_SIZE + 5); + hp = HAlloc(p, ERTS_MAGIC_REF_THING_SIZE + 5); egot = make_small(got); } else { - hp = HAlloc(p, BIG_UINT_HEAP_SIZE + PROC_BIN_SIZE + 5); + hp = HAlloc(p, BIG_UINT_HEAP_SIZE + ERTS_MAGIC_REF_THING_SIZE + 5); egot = uint_to_big(got, hp); hp += BIG_UINT_HEAP_SIZE; } - mpb = db_make_mp_binary(p,mpi.mp,&hp); + mpb = erts_db_make_match_prog_ref(p,mpi.mp,&hp); continuation = TUPLE4(hp, tb->common.id, make_small(slot_ix), mpb, egot); @@ -1838,15 +1836,15 @@ done: trap: BUMP_ALL_REDS(p); if (IS_USMALL(0, got)) { - hp = HAlloc(p, PROC_BIN_SIZE + 5); + hp = HAlloc(p, ERTS_MAGIC_REF_THING_SIZE + 5); egot = make_small(got); } else { - hp = HAlloc(p, BIG_UINT_HEAP_SIZE + PROC_BIN_SIZE + 5); + hp = HAlloc(p, BIG_UINT_HEAP_SIZE + ERTS_MAGIC_REF_THING_SIZE + 5); egot = uint_to_big(got, hp); hp += BIG_UINT_HEAP_SIZE; } - mpb = db_make_mp_binary(p,mpi.mp,&hp); + mpb = erts_db_make_match_prog_ref(p,mpi.mp,&hp); continuation = TUPLE4(hp, tb->common.id, make_small(slot_ix), mpb, egot); @@ -1887,7 +1885,7 @@ static int db_select_delete_continue_hash(Process *p, tptr = tuple_val(continuation); slot_ix = unsigned_val(tptr[2]); - mp = ((ProcBin *) binary_val(tptr[3]))->val; + mp = erts_db_get_match_prog_binary_unchecked(tptr[3]); if (is_big(tptr[4])) { got = big_to_uint32(tptr[4]); } else { @@ -1999,7 +1997,7 @@ static int db_select_count_continue_hash(Process *p, tptr = tuple_val(continuation); slot_ix = unsigned_val(tptr[2]); - mp = ((ProcBin *) binary_val(tptr[3]))->val; + mp = erts_db_get_match_prog_binary_unchecked(tptr[3]); if (is_big(tptr[4])) { got = big_to_uint32(tptr[4]); } else { diff --git a/erts/emulator/beam/erl_db_tree.c b/erts/emulator/beam/erl_db_tree.c index dd9403e132..c4ecd2ba37 100644 --- a/erts/emulator/beam/erl_db_tree.c +++ b/erts/emulator/beam/erl_db_tree.c @@ -935,17 +935,15 @@ static int db_select_continue_tree(Process *p, if (arityval(*tptr) != 8) RET_TO_BIF(NIL,DB_ERROR_BADPARAM); - if (!is_small(tptr[4]) || !is_binary(tptr[5]) || + if (!is_small(tptr[4]) || !(is_list(tptr[6]) || tptr[6] == NIL) || !is_small(tptr[7]) || !is_small(tptr[8])) RET_TO_BIF(NIL,DB_ERROR_BADPARAM); lastkey = tptr[2]; end_condition = tptr[3]; - if (!(thing_subtag(*binary_val(tptr[5])) == REFC_BINARY_SUBTAG)) - RET_TO_BIF(NIL,DB_ERROR_BADPARAM); - mp = ((ProcBin *) binary_val(tptr[5]))->val; - if (!IsMatchProgBinary(mp)) + mp = erts_db_get_match_prog_binary(tptr[5]); + if (!mp) RET_TO_BIF(NIL,DB_ERROR_BADPARAM); chunk_size = signed_val(tptr[4]); @@ -1145,11 +1143,11 @@ static int db_select_tree(Process *p, DbTable *tbl, key = GETKEY(tb, sc.lastobj); sz = size_object(key); - hp = HAlloc(p, 9 + sz + PROC_BIN_SIZE); + hp = HAlloc(p, 9 + sz + ERTS_MAGIC_REF_THING_SIZE); key = copy_struct(key, sz, &hp, &MSO(p)); if (mpi.all_objects) (mpi.mp)->flags |= BIN_FLAG_ALL_OBJECTS; - mpb=db_make_mp_binary(p,mpi.mp,&hp); + mpb= erts_db_make_match_prog_ref(p,mpi.mp,&hp); continuation = TUPLE8 (hp, @@ -1208,10 +1206,8 @@ static int db_select_count_continue_tree(Process *p, lastkey = tptr[2]; end_condition = tptr[3]; - if (!(thing_subtag(*binary_val(tptr[4])) == REFC_BINARY_SUBTAG)) - RET_TO_BIF(NIL,DB_ERROR_BADPARAM); - mp = ((ProcBin *) binary_val(tptr[4]))->val; - if (!IsMatchProgBinary(mp)) + mp = erts_db_get_match_prog_binary(tptr[4]); + if (!mp) RET_TO_BIF(NIL,DB_ERROR_BADPARAM); sc.p = p; @@ -1338,18 +1334,18 @@ static int db_select_count_tree(Process *p, DbTable *tbl, key = GETKEY(tb, sc.lastobj); sz = size_object(key); if (IS_USMALL(0, sc.got)) { - hp = HAlloc(p, sz + PROC_BIN_SIZE + 6); + hp = HAlloc(p, sz + ERTS_MAGIC_REF_THING_SIZE + 6); egot = make_small(sc.got); } else { - hp = HAlloc(p, BIG_UINT_HEAP_SIZE + sz + PROC_BIN_SIZE + 6); + hp = HAlloc(p, BIG_UINT_HEAP_SIZE + sz + ERTS_MAGIC_REF_THING_SIZE + 6); egot = uint_to_big(sc.got, hp); hp += BIG_UINT_HEAP_SIZE; } key = copy_struct(key, sz, &hp, &MSO(p)); if (mpi.all_objects) (mpi.mp)->flags |= BIN_FLAG_ALL_OBJECTS; - mpb = db_make_mp_binary(p,mpi.mp,&hp); + mpb = erts_db_make_match_prog_ref(p,mpi.mp,&hp); continuation = TUPLE5 (hp, @@ -1470,11 +1466,11 @@ static int db_select_chunk_tree(Process *p, DbTable *tbl, key = GETKEY(tb, sc.lastobj); sz = size_object(key); - hp = HAlloc(p, 9 + sz + PROC_BIN_SIZE); + hp = HAlloc(p, 9 + sz + ERTS_MAGIC_REF_THING_SIZE); key = copy_struct(key, sz, &hp, &MSO(p)); if (mpi.all_objects) (mpi.mp)->flags |= BIN_FLAG_ALL_OBJECTS; - mpb = db_make_mp_binary(p,mpi.mp,&hp); + mpb = erts_db_make_match_prog_ref(p,mpi.mp,&hp); continuation = TUPLE8 (hp, @@ -1495,12 +1491,12 @@ static int db_select_chunk_tree(Process *p, DbTable *tbl, key = GETKEY(tb, sc.lastobj); sz = size_object(key); - hp = HAlloc(p, 9 + sz + PROC_BIN_SIZE); + hp = HAlloc(p, 9 + sz + ERTS_MAGIC_REF_THING_SIZE); key = copy_struct(key, sz, &hp, &MSO(p)); if (mpi.all_objects) (mpi.mp)->flags |= BIN_FLAG_ALL_OBJECTS; - mpb = db_make_mp_binary(p,mpi.mp,&hp); + mpb = erts_db_make_match_prog_ref(p,mpi.mp,&hp); continuation = TUPLE8 (hp, tb->common.id, @@ -1558,7 +1554,7 @@ static int db_select_delete_continue_tree(Process *p, sc.erase_lastterm = 0; /* Before first RET_TO_BIF */ sc.lastterm = NULL; - mp = ((ProcBin *) binary_val(tptr[4]))->val; + mp = erts_db_get_match_prog_binary_unchecked(tptr[4]); sc.p = p; sc.tb = tb; if (is_big(tptr[5])) { @@ -1682,16 +1678,16 @@ static int db_select_delete_tree(Process *p, DbTable *tbl, key = GETKEY(tb, (sc.lastterm)->dbterm.tpl); sz = size_object(key); if (IS_USMALL(0, sc.accum)) { - hp = HAlloc(p, sz + PROC_BIN_SIZE + 6); + hp = HAlloc(p, sz + ERTS_MAGIC_REF_THING_SIZE + 6); eaccsum = make_small(sc.accum); } else { - hp = HAlloc(p, BIG_UINT_HEAP_SIZE + sz + PROC_BIN_SIZE + 6); + hp = HAlloc(p, BIG_UINT_HEAP_SIZE + sz + ERTS_MAGIC_REF_THING_SIZE + 6); eaccsum = uint_to_big(sc.accum, hp); hp += BIG_UINT_HEAP_SIZE; } key = copy_struct(key, sz, &hp, &MSO(p)); - mpb = db_make_mp_binary(p,mpi.mp,&hp); + mpb = erts_db_make_match_prog_ref(p,mpi.mp,&hp); continuation = TUPLE5 (hp, diff --git a/erts/emulator/beam/erl_db_util.c b/erts/emulator/beam/erl_db_util.c index 4e987d5bee..6f30b1d3dd 100644 --- a/erts/emulator/beam/erl_db_util.c +++ b/erts/emulator/beam/erl_db_util.c @@ -1702,17 +1702,18 @@ error: /* Here is were we land when compilation failed. */ /* ** Free a match program (in a binary) */ -void erts_db_match_prog_destructor(Binary *bprog) +int erts_db_match_prog_destructor(Binary *bprog) { MatchProg *prog; if (bprog == NULL) - return; + return 1; prog = Binary2MatchProg(bprog); if (prog->term_save != NULL) { free_message_buffer(prog->term_save); } if (prog->saved_program_buf != NULL) free_message_buffer(prog->saved_program_buf); + return 1; } void @@ -2545,14 +2546,6 @@ success: } -/* - * Convert a match program to a "magic" binary to return up to erlang - */ -Eterm db_make_mp_binary(Process *p, Binary *mp, Eterm **hpp) -{ - return erts_mk_magic_binary_term(hpp, &MSO(p), mp); -} - DMCErrInfo *db_new_dmc_err_info(void) { DMCErrInfo *ret = erts_alloc(ERTS_ALC_T_DB_DMC_ERR_INFO, @@ -3107,10 +3100,15 @@ void db_cleanup_offheap_comp(DbTerm* obj) break; case FUN_SUBTAG: ASSERT(u.pb != &tmp); - if (erts_refc_dectest(&u.fun->fe->refc, 0) == 0) { + if (erts_smp_refc_dectest(&u.fun->fe->refc, 0) == 0) { erts_erase_fun_entry(u.fun->fe); } break; + case REF_SUBTAG: + ASSERT(is_magic_ref_thing(u.hdr)); + if (erts_refc_dectest(&u.mref->mb->refc, 0) == 0) + erts_bin_free((Binary *)u.mref->mb); + break; default: ASSERT(is_external_header(u.hdr->thing_word)); ASSERT(u.pb != &tmp); @@ -3266,13 +3264,6 @@ int db_has_variable(Eterm node) { return 0; } -int erts_db_is_compiled_ms(Eterm term) -{ - return (is_binary(term) - && (thing_subtag(*binary_val(term)) == REFC_BINARY_SUBTAG) - && IsMatchProgBinary((((ProcBin *) binary_val(term))->val))); -} - /* ** Local (static) utilities. */ @@ -5289,24 +5280,35 @@ void db_match_dis(Binary *bp) case matchEqRef: ++t; { - RefThing *rt = (RefThing *) t; + Uint32 *num; int ri; - n = thing_arityval(rt->header); - erts_printf("EqRef\t(%d) {", (int) n); + + if (is_ordinary_ref_thing(t)) { + ErtsORefThing *rt = (ErtsORefThing *) t; + num = rt->num; + t += TermWords(ERTS_REF_THING_SIZE); + } + else { + ErtsMRefThing *mrt = (ErtsMRefThing *) t; + ASSERT(is_magic_ref_thing(t)); + num = mrt->mb->refn; + t += TermWords(ERTS_MAGIC_REF_THING_SIZE); + } + + erts_printf("EqRef\t(%d) {", (int) ERTS_REF_NUMBERS); first = 1; - for (ri = 0; ri < n; ++ri) { + for (ri = 0; ri < ERTS_REF_NUMBERS; ++ri) { if (first) first = 0; else erts_printf(", "); #if defined(ARCH_64) - erts_printf("0x%016bex", rt->data.ui[ri]); + erts_printf("0x%016bex", num[ri]); #else - erts_printf("0x%08bex", rt->data.ui[ri]); + erts_printf("0x%08bex", num[ri]); #endif } } - t += TermWords(REF_THING_SIZE); erts_printf("}\n"); break; case matchEqBig: diff --git a/erts/emulator/beam/erl_db_util.h b/erts/emulator/beam/erl_db_util.h index 49e5f6b4cf..471fefe3cb 100644 --- a/erts/emulator/beam/erl_db_util.h +++ b/erts/emulator/beam/erl_db_util.h @@ -23,6 +23,7 @@ #include "global.h" #include "erl_message.h" +#include "erl_bif_unique.h" /*#define HARDDEBUG 1*/ @@ -211,7 +212,7 @@ typedef struct db_fixation { */ typedef struct db_table_common { - erts_refc_t ref; /* fixation counter */ + erts_smp_refc_t ref; /* fixation counter */ #ifdef ERTS_SMP erts_smp_rwmtx_t rwlock; /* rw lock on table */ erts_smp_mtx_t fixlock; /* Protects fixations,megasec,sec,microsec */ @@ -260,7 +261,7 @@ typedef struct db_table_common { (DB_BAG | DB_SET | DB_DUPLICATE_BAG))) #define IS_TREE_TABLE(Status) (!!((Status) & \ DB_ORDERED_SET)) -#define NFIXED(T) (erts_refc_read(&(T)->common.ref,0)) +#define NFIXED(T) (erts_smp_refc_read(&(T)->common.ref,0)) #define IS_FIXED(T) (NFIXED(T) != 0) /* @@ -355,7 +356,7 @@ Eterm db_add_counter(Eterm** hpp, Wterm counter, Eterm incr); Eterm db_match_set_lint(Process *p, Eterm matchexpr, Uint flags); Binary *db_match_set_compile(Process *p, Eterm matchexpr, Uint flags); -void erts_db_match_prog_destructor(Binary *); +int erts_db_match_prog_destructor(Binary *); typedef struct match_prog { ErlHeapFragment *term_save; /* Only if needed, a list of message @@ -456,10 +457,44 @@ Eterm db_format_dmc_err_info(Process *p, DMCErrInfo *ei); void db_free_dmc_err_info(DMCErrInfo *ei); /* Completely free's an error info structure, including all recorded errors */ -Eterm db_make_mp_binary(Process *p, Binary *mp, Eterm **hpp); -/* Convert a match program to a erlang "magic" binary to be returned to userspace, - increments the reference counter. */ -int erts_db_is_compiled_ms(Eterm term); + +ERTS_GLB_INLINE Eterm erts_db_make_match_prog_ref(Process *p, Binary *mp, Eterm **hpp); +ERTS_GLB_INLINE Binary *erts_db_get_match_prog_binary(Eterm term); +ERTS_GLB_INLINE Binary *erts_db_get_match_prog_binary_unchecked(Eterm term); + +#if ERTS_GLB_INLINE_INCL_FUNC_DEF + +/* + * Convert a match program to a "magic" ref to return up to erlang + */ +ERTS_GLB_INLINE Eterm erts_db_make_match_prog_ref(Process *p, Binary *mp, Eterm **hpp) +{ + return erts_mk_magic_ref(hpp, &MSO(p), mp); +} + +ERTS_GLB_INLINE Binary * +erts_db_get_match_prog_binary_unchecked(Eterm term) +{ + Binary *bp = erts_magic_ref2bin(term); + ASSERT(bp->flags & BIN_FLAG_MAGIC); + ASSERT((ERTS_MAGIC_BIN_DESTRUCTOR(bp) == erts_db_match_prog_destructor)); + return bp; +} + +ERTS_GLB_INLINE Binary * +erts_db_get_match_prog_binary(Eterm term) +{ + Binary *bp; + if (!is_internal_magic_ref(term)) + return NULL; + bp = erts_magic_ref2bin(term); + ASSERT(bp->flags & BIN_FLAG_MAGIC); + if (ERTS_MAGIC_BIN_DESTRUCTOR(bp) != erts_db_match_prog_destructor) + return NULL; + return bp; +} + +#endif /* ** Convenience when compiling into Binary structures diff --git a/erts/emulator/beam/erl_debug.c b/erts/emulator/beam/erl_debug.c index 3526bb684d..517dad9cbb 100644 --- a/erts/emulator/beam/erl_debug.c +++ b/erts/emulator/beam/erl_debug.c @@ -130,7 +130,7 @@ pdisplay1(fmtfn_t to, void *to_arg, Process* p, Eterm obj) Uint32 *ref_num; erts_print(to, to_arg, "#Ref<%lu", ref_channel_no(obj)); ref_num = ref_numbers(obj); - for (i = ref_no_of_numbers(obj)-1; i >= 0; i--) + for (i = ref_no_numbers(obj)-1; i >= 0; i--) erts_print(to, to_arg, ",%lu", ref_num[i]); erts_print(to, to_arg, ">"); break; diff --git a/erts/emulator/beam/erl_driver.h b/erts/emulator/beam/erl_driver.h index 97a69140c3..b386b68cff 100644 --- a/erts/emulator/beam/erl_driver.h +++ b/erts/emulator/beam/erl_driver.h @@ -76,11 +76,10 @@ typedef struct { # endif #endif -/* Values for mode arg to driver_select() */ -#define ERL_DRV_READ (1 << 0) -#define ERL_DRV_WRITE (1 << 1) -#define ERL_DRV_USE (1 << 2) -#define ERL_DRV_USE_NO_CALLBACK (ERL_DRV_USE | (1 << 3)) +#define ERL_DRV_READ ((int)ERL_NIF_SELECT_READ) +#define ERL_DRV_WRITE ((int)ERL_NIF_SELECT_WRITE) +#define ERL_DRV_USE ((int)ERL_NIF_SELECT_STOP) +#define ERL_DRV_USE_NO_CALLBACK (ERL_DRV_USE | (ERL_DRV_USE << 1)) /* Old deprecated */ #define DO_READ ERL_DRV_READ @@ -176,13 +175,6 @@ struct erl_drv_event_data { #endif typedef struct erl_drv_event_data *ErlDrvEventData; /* Event data */ -/* - * A driver monitor - */ -typedef struct { - unsigned char data[sizeof(void *)*4]; -} ErlDrvMonitor; - typedef struct { unsigned long megasecs; unsigned long secs; diff --git a/erts/emulator/beam/erl_drv_nif.h b/erts/emulator/beam/erl_drv_nif.h index 2489099b5c..2d21dac87a 100644 --- a/erts/emulator/beam/erl_drv_nif.h +++ b/erts/emulator/beam/erl_drv_nif.h @@ -49,6 +49,21 @@ typedef enum { ERL_DIRTY_JOB_IO_BOUND = 2 } ErlDirtyJobFlags; +/* Values for enif_select AND mode arg for driver_select() */ +enum ErlNifSelectFlags { + ERL_NIF_SELECT_READ = (1 << 0), + ERL_NIF_SELECT_WRITE = (1 << 1), + ERL_NIF_SELECT_STOP = (1 << 2) +}; + +/* + * A driver monitor + */ +typedef struct { + unsigned char data[sizeof(void *)*4]; +} ErlDrvMonitor; + + #ifdef SIZEOF_CHAR # define SIZEOF_CHAR_SAVED__ SIZEOF_CHAR # undef SIZEOF_CHAR diff --git a/erts/emulator/beam/erl_fun.c b/erts/emulator/beam/erl_fun.c index 41097203d4..cedc0517e1 100644 --- a/erts/emulator/beam/erl_fun.c +++ b/erts/emulator/beam/erl_fun.c @@ -113,9 +113,9 @@ erts_put_fun_entry(Eterm mod, int uniq, int index) fe = (ErlFunEntry *) hash_put(&erts_fun_table, (void*) &template); sys_memset(fe->uniq, 0, sizeof(fe->uniq)); fe->index = 0; - refc = erts_refc_inctest(&fe->refc, 0); + refc = erts_smp_refc_inctest(&fe->refc, 0); if (refc < 2) /* New or pending delete */ - erts_refc_inc(&fe->refc, 1); + erts_smp_refc_inc(&fe->refc, 1); erts_fun_write_unlock(); return fe; } @@ -137,9 +137,9 @@ erts_put_fun_entry2(Eterm mod, int old_uniq, int old_index, sys_memcpy(fe->uniq, uniq, sizeof(fe->uniq)); fe->index = index; fe->arity = arity; - refc = erts_refc_inctest(&fe->refc, 0); + refc = erts_smp_refc_inctest(&fe->refc, 0); if (refc < 2) /* New or pending delete */ - erts_refc_inc(&fe->refc, 1); + erts_smp_refc_inc(&fe->refc, 1); erts_fun_write_unlock(); return fe; } @@ -164,9 +164,9 @@ erts_get_fun_entry(Eterm mod, int uniq, int index) erts_fun_read_lock(); ret = (ErlFunEntry *) hash_get(&erts_fun_table, (void*) &template); if (ret) { - erts_aint_t refc = erts_refc_inctest(&ret->refc, 1); + erts_aint_t refc = erts_smp_refc_inctest(&ret->refc, 1); if (refc < 2) /* Pending delete */ - erts_refc_inc(&ret->refc, 1); + erts_smp_refc_inc(&ret->refc, 1); } erts_fun_read_unlock(); return ret; @@ -187,7 +187,7 @@ erts_erase_fun_entry(ErlFunEntry* fe) * We have to check refc again since someone might have looked up * the fun entry and incremented refc after last check. */ - if (erts_refc_dectest(&fe->refc, -1) <= 0) + if (erts_smp_refc_dectest(&fe->refc, -1) <= 0) #endif { if (fe->address != unloaded_fun) @@ -274,7 +274,7 @@ erts_fun_purge_complete(ErlFunEntry **funs, Uint no) #ifdef HIPE fe->pend_purge_native_address = NULL; #endif - if (erts_refc_dectest(&fe->refc, 0) == 0) + if (erts_smp_refc_dectest(&fe->refc, 0) == 0) erts_erase_fun_entry(fe); } ERTS_SMP_WRITE_MEMORY_BARRIER; @@ -306,7 +306,7 @@ erts_dump_fun_entries(fmtfn_t to, void *to_arg) #ifdef HIPE erts_print(to, to_arg, "Native_address: %p\n", fe->native_address); #endif - erts_print(to, to_arg, "Refc: %ld\n", erts_refc_read(&fe->refc, 1)); + erts_print(to, to_arg, "Refc: %ld\n", erts_smp_refc_read(&fe->refc, 1)); b = b->next; } } @@ -337,7 +337,7 @@ fun_alloc(ErlFunEntry* template) obj->old_uniq = template->old_uniq; obj->old_index = template->old_index; obj->module = template->module; - erts_refc_init(&obj->refc, -1); + erts_smp_refc_init(&obj->refc, -1); obj->address = unloaded_fun; obj->pend_purge_address = NULL; #ifdef HIPE diff --git a/erts/emulator/beam/erl_fun.h b/erts/emulator/beam/erl_fun.h index 83899f24a6..e3073eb874 100644 --- a/erts/emulator/beam/erl_fun.h +++ b/erts/emulator/beam/erl_fun.h @@ -42,7 +42,7 @@ typedef struct erl_fun_entry { Uint arity; /* The arity of the fun. */ Eterm module; /* Tagged atom for module. */ - erts_refc_t refc; /* Reference count: One for code + one for each + erts_smp_refc_t refc; /* Reference count: One for code + one for each fun object in each process. */ BeamInstr *pend_purge_address; /* address stored during a pending purge */ #ifdef HIPE diff --git a/erts/emulator/beam/erl_gc.c b/erts/emulator/beam/erl_gc.c index 3a3ad820b5..50805d9cd9 100644 --- a/erts/emulator/beam/erl_gc.c +++ b/erts/emulator/beam/erl_gc.c @@ -178,7 +178,7 @@ Uint erts_test_long_gc_sleep; /* Only used for testing... */ typedef struct { Process *proc; Eterm ref; - Eterm ref_heap[REF_THING_SIZE]; + Eterm ref_heap[ERTS_REF_THING_SIZE]; Uint req_sched; erts_smp_atomic32_t refc; } ErtsGCInfoReq; @@ -1173,7 +1173,7 @@ erts_garbage_collect_literals(Process* p, Eterm* literals, ASSERT(is_boxed(val)); *g_ptr++ = val; } else if (ErtsInArea(ptr, area, area_size)) { - MOVE_BOXED(ptr,val,old_htop,g_ptr++); + move_boxed(&ptr,val,&old_htop,g_ptr++); } else { g_ptr++; } @@ -1184,7 +1184,7 @@ erts_garbage_collect_literals(Process* p, Eterm* literals, if (IS_MOVED_CONS(val)) { /* Moved */ *g_ptr++ = ptr[1]; } else if (ErtsInArea(ptr, area, area_size)) { - MOVE_CONS(ptr,val,old_htop,g_ptr++); + move_cons(&ptr,val,&old_htop,g_ptr++); } else { g_ptr++; } @@ -1479,9 +1479,9 @@ do_minor(Process *p, ErlHeapFragment *live_hf_end, ASSERT(is_boxed(val)); *g_ptr++ = val; } else if (ErtsInArea(ptr, mature, mature_size)) { - MOVE_BOXED(ptr,val,old_htop,g_ptr++); + move_boxed(&ptr,val,&old_htop,g_ptr++); } else if (ErtsInYoungGen(gval, ptr, oh, oh_size)) { - MOVE_BOXED(ptr,val,n_htop,g_ptr++); + move_boxed(&ptr,val,&n_htop,g_ptr++); } else { g_ptr++; } @@ -1494,9 +1494,9 @@ do_minor(Process *p, ErlHeapFragment *live_hf_end, if (IS_MOVED_CONS(val)) { /* Moved */ *g_ptr++ = ptr[1]; } else if (ErtsInArea(ptr, mature, mature_size)) { - MOVE_CONS(ptr,val,old_htop,g_ptr++); + move_cons(&ptr,val,&old_htop,g_ptr++); } else if (ErtsInYoungGen(gval, ptr, oh, oh_size)) { - MOVE_CONS(ptr,val,n_htop,g_ptr++); + move_cons(&ptr,val,&n_htop,g_ptr++); } else { g_ptr++; } @@ -1538,9 +1538,9 @@ do_minor(Process *p, ErlHeapFragment *live_hf_end, ASSERT(is_boxed(val)); *n_hp++ = val; } else if (ErtsInArea(ptr, mature, mature_size)) { - MOVE_BOXED(ptr,val,old_htop,n_hp++); + move_boxed(&ptr,val,&old_htop,n_hp++); } else if (ErtsInYoungGen(gval, ptr, oh, oh_size)) { - MOVE_BOXED(ptr,val,n_htop,n_hp++); + move_boxed(&ptr,val,&n_htop,n_hp++); } else { n_hp++; } @@ -1552,9 +1552,9 @@ do_minor(Process *p, ErlHeapFragment *live_hf_end, if (IS_MOVED_CONS(val)) { *n_hp++ = ptr[1]; } else if (ErtsInArea(ptr, mature, mature_size)) { - MOVE_CONS(ptr,val,old_htop,n_hp++); + move_cons(&ptr,val,&old_htop,n_hp++); } else if (ErtsInYoungGen(gval, ptr, oh, oh_size)) { - MOVE_CONS(ptr,val,n_htop,n_hp++); + move_cons(&ptr,val,&n_htop,n_hp++); } else { n_hp++; } @@ -1574,10 +1574,10 @@ do_minor(Process *p, ErlHeapFragment *live_hf_end, *origptr = val; mb->base = binary_bytes(val); } else if (ErtsInArea(ptr, mature, mature_size)) { - MOVE_BOXED(ptr,val,old_htop,origptr); + move_boxed(&ptr,val,&old_htop,origptr); mb->base = binary_bytes(mb->orig); } else if (ErtsInYoungGen(*origptr, ptr, oh, oh_size)) { - MOVE_BOXED(ptr,val,n_htop,origptr); + move_boxed(&ptr,val,&n_htop,origptr); mb->base = binary_bytes(mb->orig); } } @@ -1792,7 +1792,7 @@ full_sweep_heaps(Process *p, Eterm* ptr; Eterm val; Eterm gval = *g_ptr; - + switch (primary_tag(gval)) { case TAG_PRIMARY_BOXED: { @@ -1802,7 +1802,7 @@ full_sweep_heaps(Process *p, ASSERT(is_boxed(val)); *g_ptr++ = val; } else if (!erts_is_literal(gval, ptr)) { - MOVE_BOXED(ptr,val,n_htop,g_ptr++); + move_boxed(&ptr,val,&n_htop,g_ptr++); } else { g_ptr++; } @@ -1815,7 +1815,7 @@ full_sweep_heaps(Process *p, if (IS_MOVED_CONS(val)) { *g_ptr++ = ptr[1]; } else if (!erts_is_literal(gval, ptr)) { - MOVE_CONS(ptr,val,n_htop,g_ptr++); + move_cons(&ptr,val,&n_htop,g_ptr++); } else { g_ptr++; } @@ -2104,7 +2104,7 @@ sweep(Eterm *n_hp, Eterm *n_htop, ASSERT(is_boxed(val)); *n_hp++ = val; } else if (ERTS_IS_IN_SWEEP_AREA(gval, ptr)) { - MOVE_BOXED(ptr,val,n_htop,n_hp++); + move_boxed(&ptr,val,&n_htop,n_hp++); } else { n_hp++; } @@ -2116,7 +2116,7 @@ sweep(Eterm *n_hp, Eterm *n_htop, if (IS_MOVED_CONS(val)) { *n_hp++ = ptr[1]; } else if (ERTS_IS_IN_SWEEP_AREA(gval, ptr)) { - MOVE_CONS(ptr,val,n_htop,n_hp++); + move_cons(&ptr,val,&n_htop,n_hp++); } else { n_hp++; } @@ -2129,7 +2129,7 @@ sweep(Eterm *n_hp, Eterm *n_htop, if (header_is_bin_matchstate(gval)) { ErlBinMatchState *ms = (ErlBinMatchState*) n_hp; ErlBinMatchBuffer *mb = &(ms->mb); - Eterm* origptr; + Eterm* origptr; origptr = &(mb->orig); ptr = boxed_val(*origptr); val = *ptr; @@ -2137,7 +2137,7 @@ sweep(Eterm *n_hp, Eterm *n_htop, *origptr = val; mb->base = binary_bytes(*origptr); } else if (ERTS_IS_IN_SWEEP_AREA(*origptr, ptr)) { - MOVE_BOXED(ptr,val,n_htop,origptr); + move_boxed(&ptr,val,&n_htop,origptr); mb->base = binary_bytes(*origptr); } } @@ -2200,7 +2200,7 @@ sweep_literals_to_old_heap(Eterm* heap_ptr, Eterm* heap_end, Eterm* htop, ASSERT(is_boxed(val)); *heap_ptr++ = val; } else if (ErtsInArea(ptr, src, src_size)) { - MOVE_BOXED(ptr,val,htop,heap_ptr++); + move_boxed(&ptr,val,&htop,heap_ptr++); } else { heap_ptr++; } @@ -2212,7 +2212,7 @@ sweep_literals_to_old_heap(Eterm* heap_ptr, Eterm* heap_end, Eterm* htop, if (IS_MOVED_CONS(val)) { *heap_ptr++ = ptr[1]; } else if (ErtsInArea(ptr, src, src_size)) { - MOVE_CONS(ptr,val,htop,heap_ptr++); + move_cons(&ptr,val,&htop,heap_ptr++); } else { heap_ptr++; } @@ -2233,7 +2233,7 @@ sweep_literals_to_old_heap(Eterm* heap_ptr, Eterm* heap_end, Eterm* htop, *origptr = val; mb->base = binary_bytes(*origptr); } else if (ErtsInArea(ptr, src, src_size)) { - MOVE_BOXED(ptr,val,htop,origptr); + move_boxed(&ptr,val,&htop,origptr); mb->base = binary_bytes(*origptr); } } @@ -2266,11 +2266,11 @@ move_one_area(Eterm* n_htop, char* src, Uint src_size) ASSERT(val != ERTS_HOLE_MARKER); if (is_header(val)) { ASSERT(ptr + header_arity(val) < end); - MOVE_BOXED(ptr, val, n_htop, &dummy_ref); + move_boxed(&ptr, val, &n_htop, &dummy_ref); } else { /* must be a cons cell */ ASSERT(ptr+1 < end); - MOVE_CONS(ptr, val, n_htop, &dummy_ref); + move_cons(&ptr, val, &n_htop, &dummy_ref); ptr += 2; } } @@ -2354,6 +2354,9 @@ copy_one_frag(Eterm** hpp, ErlOffHeap* off_heap, switch (val & _HEADER_SUBTAG_MASK) { case ARITYVAL_SUBTAG: break; + case REF_SUBTAG: + if (is_ordinary_ref_thing(fhp - 1)) + goto the_default; case REFC_BINARY_SUBTAG: case FUN_SUBTAG: case EXTERNAL_PID_SUBTAG: @@ -2363,6 +2366,7 @@ copy_one_frag(Eterm** hpp, ErlOffHeap* off_heap, cpy_sz = thing_arityval(val); goto cpy_words; default: + the_default: cpy_sz = header_arity(val); cpy_words: @@ -2796,6 +2800,16 @@ link_live_proc_bin(struct shrink_cand_data *shrink, *prevppp = &pbp->next; } +#ifdef ERTS_MAGIC_REF_THING_HEADER +/* + * ERTS_MAGIC_REF_THING_HEADER only defined when there + * is a size difference between magic and ordinary references... + */ +# define ERTS_USED_MAGIC_REF_THING_HEADER__ ERTS_MAGIC_REF_THING_HEADER +#else +# define ERTS_USED_MAGIC_REF_THING_HEADER__ ERTS_REF_THING_HEADER +#endif + static void sweep_off_heap(Process *p, int fullsweep) @@ -2820,7 +2834,7 @@ sweep_off_heap(Process *p, int fullsweep) prev = &MSO(p).first; ptr = MSO(p).first; - /* Firts part of the list will reside on the (old) new-heap. + /* First part of the list will reside on the (old) new-heap. * Keep if moved, otherwise deref. */ while (ptr) { @@ -2828,7 +2842,8 @@ sweep_off_heap(Process *p, int fullsweep) ASSERT(!ErtsInArea(ptr, oheap, oheap_sz)); *prev = ptr = (struct erl_off_heap_header*) boxed_val(ptr->thing_word); ASSERT(!IS_MOVED_BOXED(ptr->thing_word)); - if (ptr->thing_word == HEADER_PROC_BIN) { + switch (ptr->thing_word) { + case HEADER_PROC_BIN: { int to_new_heap = !ErtsInArea(ptr, oheap, oheap_sz); ASSERT(to_new_heap == !seen_mature || (!to_new_heap && (seen_mature=1))); if (to_new_heap) { @@ -2837,13 +2852,28 @@ sweep_off_heap(Process *p, int fullsweep) BIN_OLD_VHEAP(p) += ptr->size / sizeof(Eterm); /* for binary gc (words)*/ } link_live_proc_bin(&shrink, &prev, &ptr, to_new_heap); - } - else { + break; + } + case ERTS_USED_MAGIC_REF_THING_HEADER__: { + Uint size; + int to_new_heap = !ErtsInArea(ptr, oheap, oheap_sz); + ASSERT(is_magic_ref_thing(ptr)); + ASSERT(to_new_heap == !seen_mature || (!to_new_heap && (seen_mature=1))); + size = (Uint) ((ErtsMRefThing *) ptr)->mb->orig_size; + if (to_new_heap) + bin_vheap += size / sizeof(Eterm); + else + BIN_OLD_VHEAP(p) += size / sizeof(Eterm); /* for binary gc (words)*/ + /* fall through... */ + } + default: prev = &ptr->next; ptr = ptr->next; } } - else if (!ErtsInArea(ptr, oheap, oheap_sz)) { + else if (ErtsInArea(ptr, oheap, oheap_sz)) + break; /* and let old-heap loop continue */ + else { /* garbage */ switch (thing_subtag(ptr->thing_word)) { case REFC_BINARY_SUBTAG: @@ -2857,18 +2887,26 @@ sweep_off_heap(Process *p, int fullsweep) case FUN_SUBTAG: { ErlFunEntry* fe = ((ErlFunThing*)ptr)->fe; - if (erts_refc_dectest(&fe->refc, 0) == 0) { + if (erts_smp_refc_dectest(&fe->refc, 0) == 0) { erts_erase_fun_entry(fe); } break; } + case REF_SUBTAG: + { + ErtsMagicBinary *bptr; + ASSERT(is_magic_ref_thing(ptr)); + bptr = ((ErtsMRefThing *) ptr)->mb; + if (erts_refc_dectest(&bptr->refc, 0) == 0) + erts_bin_free((Binary *) bptr); + break; + } default: ASSERT(is_external_header(ptr->thing_word)); erts_deref_node_entry(((ExternalThing*)ptr)->node); } *prev = ptr = ptr->next; } - else break; /* and let old-heap loop continue */ } /* The rest of the list resides on old-heap, and we just did a @@ -2877,15 +2915,24 @@ sweep_off_heap(Process *p, int fullsweep) while (ptr) { ASSERT(ErtsInArea(ptr, oheap, oheap_sz)); ASSERT(!IS_MOVED_BOXED(ptr->thing_word)); - if (ptr->thing_word == HEADER_PROC_BIN) { + switch (ptr->thing_word) { + case HEADER_PROC_BIN: BIN_OLD_VHEAP(p) += ptr->size / sizeof(Eterm); /* for binary gc (words)*/ link_live_proc_bin(&shrink, &prev, &ptr, 0); - } - else { - ASSERT(is_fun_header(ptr->thing_word) || - is_external_header(ptr->thing_word)); - prev = &ptr->next; - ptr = ptr->next; + break; + case ERTS_USED_MAGIC_REF_THING_HEADER__: + ASSERT(is_magic_ref_thing(ptr)); + BIN_OLD_VHEAP(p) += + (((Uint) ((ErtsMRefThing *) ptr)->mb->orig_size) + / sizeof(Eterm)); /* for binary gc (words)*/ + /* fall through... */ + default: + ASSERT(is_fun_header(ptr->thing_word) || + is_external_header(ptr->thing_word) + || is_magic_ref_thing(ptr)); + prev = &ptr->next; + ptr = ptr->next; + break; } } @@ -2978,6 +3025,9 @@ offset_heap(Eterm* hp, Uint sz, Sint offs, char* area, Uint area_size) } tari = thing_arityval(val); switch (thing_subtag(val)) { + case REF_SUBTAG: + if (is_ordinary_ref_thing(hp)) + break; case REFC_BINARY_SUBTAG: case FUN_SUBTAG: case EXTERNAL_PID_SUBTAG: @@ -3175,7 +3225,7 @@ reply_gc_info(void *vgcirp) if (hpp) ref_copy = STORE_NC(hpp, ohp, gcirp->ref); else - *szp += REF_THING_SIZE; + *szp += ERTS_REF_THING_SIZE; msg = erts_bld_tuple(hpp, szp, 3, make_small(esdp->no), @@ -3206,6 +3256,39 @@ reply_gc_info(void *vgcirp) gcireq_free(vgcirp); } +void erts_sub_binary_to_heap_binary(Eterm **pp, Eterm **hpp, Eterm *orig) { + Eterm *ptr = *pp; + Eterm *htop = *hpp; + Eterm gval; + ErlSubBin *sb = (ErlSubBin *)ptr; + ErlHeapBin *hb = (ErlHeapBin *)htop; + Eterm *real_bin; + byte *bs; + + real_bin = binary_val(follow_moved(sb->orig, (Eterm)0)); + + if (*real_bin == HEADER_PROC_BIN) { + bs = ((ProcBin *) real_bin)->bytes + sb->offs; + } else { + bs = (byte *)(&(((ErlHeapBin *) real_bin)->data)) + sb->offs; + } + + hb->thing_word = header_heap_bin(sb->size); + hb->size = sb->size; + sys_memcpy((byte *)hb->data, bs, sb->size); + + gval = make_boxed(htop); + *orig = gval; + *ptr = gval; + + ptr += ERL_SUB_BIN_SIZE; + htop += heap_bin_size(sb->size); + + *hpp = htop; + *pp = ptr; +} + + Eterm erts_gc_info_request(Process *c_p) { @@ -3519,12 +3602,16 @@ erts_check_off_heap2(Process *p, Eterm *htop) refc = erts_refc_read(&u.pb->val->refc, 1); break; case FUN_SUBTAG: - refc = erts_refc_read(&u.fun->fe->refc, 1); + refc = erts_smp_refc_read(&u.fun->fe->refc, 1); break; case EXTERNAL_PID_SUBTAG: case EXTERNAL_PORT_SUBTAG: case EXTERNAL_REF_SUBTAG: - refc = erts_refc_read(&u.ext->node->refc, 1); + refc = erts_smp_refc_read(&u.ext->node->refc, 1); + break; + case REF_SUBTAG: + ASSERT(is_magic_ref_thing(u.hdr)); + refc = erts_refc_read(&u.mref->mb->refc, 1); break; default: ASSERT(!"erts_check_off_heap2: Invalid thing_word"); diff --git a/erts/emulator/beam/erl_gc.h b/erts/emulator/beam/erl_gc.h index 1cce426d21..414aff1e06 100644 --- a/erts/emulator/beam/erl_gc.h +++ b/erts/emulator/beam/erl_gc.h @@ -28,44 +28,71 @@ #define ERTS_POTENTIALLY_LONG_GC_HSIZE (128*1024) /* Words */ #include "erl_map.h" +#include "erl_fun.h" +#include "erl_bits.h" #define IS_MOVED_BOXED(x) (!is_header((x))) #define IS_MOVED_CONS(x) (is_non_value((x))) +void erts_sub_binary_to_heap_binary(Eterm **pp, Eterm **hpp, Eterm *orig); -#define MOVE_CONS(PTR,CAR,HTOP,ORIG) \ -do { \ - Eterm gval; \ - \ - HTOP[0] = CAR; /* copy car */ \ - HTOP[1] = PTR[1]; /* copy cdr */ \ - gval = make_list(HTOP); /* new location */ \ - *ORIG = gval; /* redirect original reference */ \ - PTR[0] = THE_NON_VALUE; /* store forwarding indicator */ \ - PTR[1] = gval; /* store forwarding address */ \ - HTOP += 2; /* update tospace htop */ \ -} while(0) - -#define MOVE_BOXED(PTR,HDR,HTOP,ORIG) \ -do { \ - Eterm gval; \ - Sint nelts; \ - \ - ASSERT(is_header(HDR)); \ - nelts = header_arity(HDR); \ - switch ((HDR) & _HEADER_SUBTAG_MASK) { \ - case SUB_BINARY_SUBTAG: nelts++; break; \ - case MAP_SUBTAG: \ - if (is_flatmap_header(HDR)) nelts+=flatmap_get_size(PTR) + 1; \ - else nelts += hashmap_bitcount(MAP_HEADER_VAL(HDR)); \ - break; \ - case FUN_SUBTAG: nelts+=((ErlFunThing*)(PTR))->num_free+1; break; \ - } \ - gval = make_boxed(HTOP); \ - *ORIG = gval; \ - *HTOP++ = HDR; \ - *PTR++ = gval; \ - while (nelts--) *HTOP++ = *PTR++; \ -} while(0) +ERTS_GLB_INLINE void move_cons(Eterm **pp, Eterm car, Eterm **hpp, Eterm *orig); +#if ERTS_GLB_INLINE_INCL_FUNC_DEF +ERTS_GLB_INLINE void move_cons(Eterm **pp, Eterm car, Eterm **hpp, Eterm *orig) +{ + Eterm *ptr = *pp; + Eterm *htop = *hpp; + Eterm gval; + + htop[0] = car; /* copy car */ + htop[1] = ptr[1]; /* copy cdr */ + gval = make_list(htop); /* new location */ + *orig = gval; /* redirect original reference */ + ptr[0] = THE_NON_VALUE; /* store forwarding indicator */ + ptr[1] = gval; /* store forwarding address */ + *hpp += 2; /* update tospace htop */ +} +#endif + +ERTS_GLB_INLINE void move_boxed(Eterm **pp, Eterm hdr, Eterm **hpp, Eterm *orig); +#if ERTS_GLB_INLINE_INCL_FUNC_DEF +ERTS_GLB_INLINE void move_boxed(Eterm **pp, Eterm hdr, Eterm **hpp, Eterm *orig) +{ + Eterm gval; + Sint nelts; + Eterm *ptr = *pp; + Eterm *htop = *hpp; + + ASSERT(is_header(hdr)); + nelts = header_arity(hdr); + switch ((hdr) & _HEADER_SUBTAG_MASK) { + case SUB_BINARY_SUBTAG: + { + ErlSubBin *sb = (ErlSubBin *)ptr; + /* convert sub-binary to heap-binary if applicable */ + if (sb->bitsize == 0 && sb->bitoffs == 0 && + sb->is_writable == 0 && sb->size <= sizeof(Eterm) * 3) { + erts_sub_binary_to_heap_binary(pp, hpp, orig); + return; + } + } + nelts++; + break; + case MAP_SUBTAG: + if (is_flatmap_header(hdr)) nelts+=flatmap_get_size(ptr) + 1; + else nelts += hashmap_bitcount(MAP_HEADER_VAL(hdr)); + break; + case FUN_SUBTAG: nelts+=((ErlFunThing*)(ptr))->num_free+1; break; + } + gval = make_boxed(htop); + *orig = gval; + *htop++ = hdr; + *ptr++ = gval; + while (nelts--) *htop++ = *ptr++; + + *hpp = htop; + *pp = ptr; +} +#endif #define ErtsInYoungGen(TPtr, Ptr, OldHeap, OldHeapSz) \ (!erts_is_literal((TPtr), (Ptr)) \ diff --git a/erts/emulator/beam/erl_hl_timer.c b/erts/emulator/beam/erl_hl_timer.c index 647fa26811..26be8c7edf 100644 --- a/erts/emulator/beam/erl_hl_timer.c +++ b/erts/emulator/beam/erl_hl_timer.c @@ -1771,7 +1771,7 @@ setup_bif_timer(Process *c_p, ErtsMonotonicTime timeout_pos, esdp = erts_proc_sched_data(c_p); - hp = HAlloc(c_p, REF_THING_SIZE); + hp = HAlloc(c_p, ERTS_REF_THING_SIZE); ref = erts_sched_make_ref_in_buffer(esdp, hp); ASSERT(erts_get_ref_numbers_thr_id( @@ -1939,7 +1939,7 @@ access_sched_local_btm(Process *c_p, Eterm pid, Eterm *hp_end; #endif - hsz = REF_THING_SIZE; + hsz = ERTS_REF_THING_SIZE; if (async) { refn = trefn; /* timer ref */ hsz += 4; /* 3-tuple */ @@ -1973,7 +1973,7 @@ access_sched_local_btm(Process *c_p, Eterm pid, refn[1], refn[2]); ref = make_internal_ref(hp); - hp += REF_THING_SIZE; + hp += ERTS_REF_THING_SIZE; msg = (async ? TUPLE3(hp, (cancel @@ -2087,7 +2087,7 @@ try_access_sched_remote_btm(ErtsSchedulerData *esdp, ErtsProcLocks proc_locks = ERTS_PROC_LOCK_MAIN; ErlOffHeap *ohp; - hsz = 4 + REF_THING_SIZE; + hsz = 4 + ERTS_REF_THING_SIZE; if (time_left > (Sint64) MAX_SMALL) hsz += ERTS_SINT64_HEAP_SIZE(time_left); @@ -2103,7 +2103,7 @@ try_access_sched_remote_btm(ErtsSchedulerData *esdp, trefn[1], trefn[2]); tref = make_internal_ref(hp); - hp += REF_THING_SIZE; + hp += ERTS_REF_THING_SIZE; if (time_left < 0) res = am_false; @@ -2189,7 +2189,7 @@ access_bif_timer(Process *c_p, Eterm tref, int cancel, int async, int info) Eterm *hp, rref; Uint32 *rrefn; - hp = HAlloc(c_p, REF_THING_SIZE); + hp = HAlloc(c_p, ERTS_REF_THING_SIZE); rref = erts_sched_make_ref_in_buffer(esdp, hp); rrefn = internal_ref_numbers(rref); diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c index 88bd002a8c..b2c307e826 100644 --- a/erts/emulator/beam/erl_init.c +++ b/erts/emulator/beam/erl_init.c @@ -111,12 +111,19 @@ const int etp_lock_check = 1; #else const int etp_lock_check = 0; #endif -#ifdef WORDS_BIGENDIAN -const int etp_big_endian = 1; +const int etp_endianness = ERTS_ENDIANNESS; +const Eterm etp_ref_header = ERTS_REF_THING_HEADER; +#ifdef ERTS_MAGIC_REF_THING_HEADER +const Eterm etp_magic_ref_header = ERTS_MAGIC_REF_THING_HEADER; #else -const int etp_big_endian = 0; +const Eterm etp_magic_ref_header = ERTS_REF_THING_HEADER; #endif const Eterm etp_the_non_value = THE_NON_VALUE; +#ifdef ERTS_HOLE_MARKER +const Eterm etp_hole_marker = ERTS_HOLE_MARKER; +#else +const Eterm etp_hole_marker = 0; +#endif /* * Note about VxWorks: All variables must be initialized by executable code, @@ -767,6 +774,8 @@ early_init(int *argc, char **argv) /* H_MAX_SIZE = H_DEFAULT_MAX_SIZE; H_MAX_FLAGS = MAX_HEAP_SIZE_KILL|MAX_HEAP_SIZE_LOG; + erts_term_init(); + erts_initialized = 0; erts_use_sender_punish = 1; @@ -1138,6 +1147,8 @@ early_init(int *argc, char **argv) /* no_schedulers_online = schdlrs_onln; erts_no_schedulers = (Uint) no_schedulers; +#else + erts_no_schedulers = 1; #endif #ifdef ERTS_DIRTY_SCHEDULERS erts_no_dirty_cpu_schedulers = no_dirty_cpu_schedulers = dirty_cpu_scheds; diff --git a/erts/emulator/beam/erl_lock_check.c b/erts/emulator/beam/erl_lock_check.c index 08dcbed91c..6ff9aea5ab 100644 --- a/erts/emulator/beam/erl_lock_check.c +++ b/erts/emulator/beam/erl_lock_check.c @@ -89,6 +89,9 @@ static erts_lc_lock_order_t erts_lock_order[] = { { "hipe_mfait_lock", NULL }, #endif { "nodes_monitors", NULL }, +#ifdef ERTS_SMP + { "resource_monitors", "address" }, +#endif { "driver_list", NULL }, { "proc_link", "pid" }, { "proc_msgq", "pid" }, @@ -156,6 +159,7 @@ static erts_lc_lock_order_t erts_lock_order[] = { { "tracer_mtx", NULL }, { "port_table", NULL }, #endif + { "magic_ref_table", "address" }, { "mtrace_op", NULL }, { "instr_x", NULL }, { "instr", NULL }, diff --git a/erts/emulator/beam/erl_lock_count.h b/erts/emulator/beam/erl_lock_count.h index 4f838f7faa..71cd73ee27 100644 --- a/erts/emulator/beam/erl_lock_count.h +++ b/erts/emulator/beam/erl_lock_count.h @@ -129,7 +129,7 @@ typedef struct { typedef struct erts_lcnt_lock_stats_s { /* "tries" and "colls" needs to be atomic since - * trylock busy does not aquire a lock and there + * trylock busy does not acquire a lock and there * is no post action to rectify the situation */ diff --git a/erts/emulator/beam/erl_map.c b/erts/emulator/beam/erl_map.c index 979a0040b0..a80f5d6a16 100644 --- a/erts/emulator/beam/erl_map.c +++ b/erts/emulator/beam/erl_map.c @@ -91,7 +91,7 @@ static BIF_RETTYPE hashmap_merge(Process *p, Eterm nodeA, Eterm nodeB, int swap_ static Export hashmap_merge_trap_export; static BIF_RETTYPE maps_merge_trap_1(BIF_ALIST_1); static Uint hashmap_subtree_size(Eterm node); -static Eterm hashmap_to_list(Process *p, Eterm map); +static Eterm hashmap_to_list(Process *p, Eterm map, Sint n); static Eterm hashmap_keys(Process *p, Eterm map); static Eterm hashmap_values(Process *p, Eterm map); static Eterm hashmap_delete(Process *p, Uint32 hx, Eterm key, Eterm node, Eterm *value); @@ -161,13 +161,58 @@ BIF_RETTYPE maps_to_list_1(BIF_ALIST_1) { BIF_RET(res); } else if (is_hashmap(BIF_ARG_1)) { - return hashmap_to_list(BIF_P, BIF_ARG_1); + return hashmap_to_list(BIF_P, BIF_ARG_1, -1); } BIF_P->fvalue = BIF_ARG_1; BIF_ERROR(BIF_P, BADMAP); } +/* erts_internal:maps_to_list/2 + * + * This function should be removed once iterators are in place. + * Never document it. + * Never encourage its usage. + * + * A negative value in ARG 2 means the entire map. + */ + +BIF_RETTYPE erts_internal_maps_to_list_2(BIF_ALIST_2) { + Sint m; + if (term_to_Sint(BIF_ARG_2, &m)) { + if (is_flatmap(BIF_ARG_1)) { + Uint n; + Eterm* hp; + Eterm *ks,*vs, res, tup; + flatmap_t *mp = (flatmap_t*)flatmap_val(BIF_ARG_1); + + ks = flatmap_get_keys(mp); + vs = flatmap_get_values(mp); + n = flatmap_get_size(mp); + + if (m >= 0) { + n = m < n ? m : n; + } + + hp = HAlloc(BIF_P, (2 + 3) * n); + res = NIL; + + while(n--) { + tup = TUPLE2(hp, ks[n], vs[n]); hp += 3; + res = CONS(hp, tup, res); hp += 2; + } + + BIF_RET(res); + } else if (is_hashmap(BIF_ARG_1)) { + return hashmap_to_list(BIF_P, BIF_ARG_1, m); + } + BIF_P->fvalue = BIF_ARG_1; + BIF_ERROR(BIF_P, BADMAP); + } + BIF_ERROR(BIF_P, BADARG); +} + + /* maps:find/2 * return value if key *matches* a key in the map */ @@ -1188,16 +1233,17 @@ typedef struct HashmapMergeContext_ { #endif } HashmapMergeContext; -static void hashmap_merge_ctx_destructor(Binary* ctx_bin) +static int hashmap_merge_ctx_destructor(Binary* ctx_bin) { HashmapMergeContext* ctx = (HashmapMergeContext*) ERTS_MAGIC_BIN_DATA(ctx_bin); ASSERT(ERTS_MAGIC_BIN_DESTRUCTOR(ctx_bin) == hashmap_merge_ctx_destructor); PSTACK_DESTROY_SAVED(&ctx->pstack); + return 1; } BIF_RETTYPE maps_merge_trap_1(BIF_ALIST_1) { - Binary* ctx_bin = ((ProcBin *) binary_val(BIF_ARG_1))->val; + Binary* ctx_bin = erts_magic_ref2bin(BIF_ARG_1); ASSERT(ERTS_MAGIC_BIN_DESTRUCTOR(ctx_bin) == hashmap_merge_ctx_destructor); @@ -1453,9 +1499,9 @@ trap: /* Yield */ hashmap_merge_ctx_destructor); ctx = ERTS_MAGIC_BIN_DATA(ctx_b); sys_memcpy(ctx, &local_ctx, sizeof(HashmapMergeContext)); - hp = HAlloc(p, PROC_BIN_SIZE); + hp = HAlloc(p, ERTS_MAGIC_REF_THING_SIZE); ASSERT(ctx->trap_bin == THE_NON_VALUE); - ctx->trap_bin = erts_mk_magic_binary_term(&hp, &MSO(p), ctx_b); + ctx->trap_bin = erts_mk_magic_ref(&hp, &MSO(p), ctx_b); erts_set_gc_state(p, 0); } @@ -1916,15 +1962,22 @@ BIF_RETTYPE maps_values_1(BIF_ALIST_1) { BIF_ERROR(BIF_P, BADMAP); } -static Eterm hashmap_to_list(Process *p, Eterm node) { +static Eterm hashmap_to_list(Process *p, Eterm node, Sint m) { DECLARE_WSTACK(stack); Eterm *hp, *kv; - Eterm res = NIL; + Eterm tup, res = NIL; + Uint n = hashmap_size(node); - hp = HAlloc(p, hashmap_size(node) * (2 + 3)); + if (m >= 0) { + n = m < n ? m : n; + } + + hp = HAlloc(p, n * (2 + 3)); hashmap_iterator_init(&stack, node, 0); - while ((kv=hashmap_iterator_next(&stack)) != NULL) { - Eterm tup = TUPLE2(hp, CAR(kv), CDR(kv)); + while (n--) { + kv = hashmap_iterator_next(&stack); + ASSERT(kv != NULL); + tup = TUPLE2(hp, CAR(kv), CDR(kv)); hp += 3; res = CONS(hp, tup, res); hp += 2; diff --git a/erts/emulator/beam/erl_message.c b/erts/emulator/beam/erl_message.c index 547e9cac64..f181c1e3cb 100644 --- a/erts/emulator/beam/erl_message.c +++ b/erts/emulator/beam/erl_message.c @@ -172,10 +172,15 @@ erts_cleanup_offheap(ErlOffHeap *offheap) } break; case FUN_SUBTAG: - if (erts_refc_dectest(&u.fun->fe->refc, 0) == 0) { + if (erts_smp_refc_dectest(&u.fun->fe->refc, 0) == 0) { erts_erase_fun_entry(u.fun->fe); } break; + case REF_SUBTAG: + ASSERT(is_magic_ref_thing(u.hdr)); + if (erts_refc_dectest(&u.mref->mb->refc, 0) == 0) + erts_bin_free((Binary *)u.mref->mb); + break; default: ASSERT(is_external_header(u.hdr->thing_word)); erts_deref_node_entry(u.ext->node); diff --git a/erts/emulator/beam/erl_monitors.c b/erts/emulator/beam/erl_monitors.c index 910598690d..6dee1d5ef3 100644 --- a/erts/emulator/beam/erl_monitors.c +++ b/erts/emulator/beam/erl_monitors.c @@ -24,7 +24,7 @@ * key in the monitor case and the pid of the linked process as key in the * link case. Lookups the order of the references is somewhat special. Local * references are strictly smaller than remote references and are sorted - * by inlined comparision functionality. Remote references are handled by the + * by inlined comparison functionality. Remote references are handled by the * usual cmp function. * Each Monitor is tagged with different tags depending on which end of the * monitor it is. @@ -45,6 +45,7 @@ #include "bif.h" #include "big.h" #include "erl_monitors.h" +#include "erl_bif_unique.h" #define STACK_NEED 50 #define MAX_MONITORS 0xFFFFFFFFUL @@ -79,7 +80,24 @@ static ERTS_INLINE int cmp_mon_ref(Eterm ref1, Eterm ref2) b2 = boxed_val(ref2); if (is_ref_thing_header(*b1)) { if (is_ref_thing_header(*b2)) { - return memcmp(b1+1,b2+1,ERTS_REF_WORDS*sizeof(Uint)); + Uint32 *num1, *num2; + if (is_ordinary_ref_thing(b1)) { + ErtsORefThing *rtp = (ErtsORefThing *) b1; + num1 = rtp->num; + } + else { + ErtsMRefThing *mrtp = (ErtsMRefThing *) b1; + num1 = mrtp->mb->refn; + } + if (is_ordinary_ref_thing(b2)) { + ErtsORefThing *rtp = (ErtsORefThing *) b2; + num2 = rtp->num; + } + else { + ErtsMRefThing *mrtp = (ErtsMRefThing *) b2; + num2 = mrtp->mb->refn; + } + return erts_internal_ref_number_cmp(num1, num2); } return -1; } @@ -91,33 +109,34 @@ static ERTS_INLINE int cmp_mon_ref(Eterm ref1, Eterm ref2) #define CP_LINK_VAL(To, Hp, From) \ do { \ - if (IS_CONST(From)) \ + if (is_immed(From)) \ (To) = (From); \ else { \ Uint i__; \ Uint len__; \ ASSERT((Hp)); \ - ASSERT(is_internal_ref((From)) || is_external((From))); \ + ASSERT(is_internal_ordinary_ref((From)) \ + || is_external((From))); \ (To) = make_boxed((Hp)); \ len__ = thing_arityval(*boxed_val((From))) + 1; \ for(i__ = 0; i__ < len__; i__++) \ (*((Hp)++)) = boxed_val((From))[i__]; \ if (is_external((To))) { \ external_thing_ptr((To))->next = NULL; \ - erts_refc_inc(&(external_thing_ptr((To))->node->refc), 2);\ + erts_smp_refc_inc(&(external_thing_ptr((To))->node->refc), 2);\ } \ } \ } while (0) -static ErtsMonitor *create_monitor(Uint type, Eterm ref, Eterm pid, Eterm name) +static ErtsMonitor *create_monitor(Uint type, Eterm ref, UWord entity, Eterm name) { Uint mon_size = ERTS_MONITOR_SIZE; ErtsMonitor *n; Eterm *hp; mon_size += NC_HEAP_SIZE(ref); - if (!IS_CONST(pid)) { - mon_size += NC_HEAP_SIZE(pid); + if (type != MON_NIF_TARGET && is_not_immed(entity)) { + mon_size += NC_HEAP_SIZE(entity); } if (mon_size <= ERTS_MONITOR_SH_SIZE) { @@ -135,8 +154,11 @@ static ErtsMonitor *create_monitor(Uint type, Eterm ref, Eterm pid, Eterm name) n->type = (Uint16) type; n->balance = 0; /* Always the same initial value */ n->name = name; /* atom() or [] */ - CP_LINK_VAL(n->ref, hp, ref); /*XXX Unneccesary check, never immediate*/ - CP_LINK_VAL(n->pid, hp, pid); + CP_LINK_VAL(n->ref, hp, ref); /*XXX Unnecessary check, never immediate*/ + if (type == MON_NIF_TARGET) + n->u.resource = (ErtsResource*)entity; + else + CP_LINK_VAL(n->u.pid, hp, (Eterm)entity); return n; } @@ -147,7 +169,7 @@ static ErtsLink *create_link(Uint type, Eterm pid) ErtsLink *n; Eterm *hp; - if (!IS_CONST(pid)) { + if (is_not_immed(pid)) { lnk_size += NC_HEAP_SIZE(pid); } @@ -206,16 +228,16 @@ void erts_destroy_monitor(ErtsMonitor *mon) Uint mon_size = ERTS_MONITOR_SIZE; ErlNode *node; - ASSERT(!IS_CONST(mon->ref)); + ASSERT(is_not_immed(mon->ref)); mon_size += NC_HEAP_SIZE(mon->ref); if (is_external(mon->ref)) { node = external_thing_ptr(mon->ref)->node; erts_deref_node_entry(node); } - if (!IS_CONST(mon->pid)) { - mon_size += NC_HEAP_SIZE(mon->pid); - if (is_external(mon->pid)) { - node = external_thing_ptr(mon->pid)->node; + if (mon->type != MON_NIF_TARGET && is_not_immed(mon->u.pid)) { + mon_size += NC_HEAP_SIZE(mon->u.pid); + if (is_external(mon->u.pid)) { + node = external_thing_ptr(mon->u.pid)->node; erts_deref_node_entry(node); } } @@ -234,7 +256,7 @@ void erts_destroy_link(ErtsLink *lnk) ASSERT(lnk->type == LINK_NODE || ERTS_LINK_ROOT(lnk) == NULL); - if (!IS_CONST(lnk->pid)) { + if (is_not_immed(lnk->pid)) { lnk_size += NC_HEAP_SIZE(lnk->pid); if (is_external(lnk->pid)) { node = external_thing_ptr(lnk->pid)->node; @@ -329,7 +351,7 @@ static void insertion_rotation(int dstack[], int dpos, } } -void erts_add_monitor(ErtsMonitor **root, Uint type, Eterm ref, Eterm pid, +void erts_add_monitor(ErtsMonitor **root, Uint type, Eterm ref, UWord entity, Eterm name) { void *tstack[STACK_NEED]; @@ -339,12 +361,14 @@ void erts_add_monitor(ErtsMonitor **root, Uint type, Eterm ref, Eterm pid, int state = 0; ErtsMonitor **this = root; Sint c; + + ASSERT(is_internal_ordinary_ref(ref) || is_external_ref(ref)); dstack[0] = DIR_END; for (;;) { if (!*this) { /* Found our place */ state = 1; - *this = create_monitor(type,ref,pid,name); + *this = create_monitor(type,ref,entity,name); break; } else if ((c = CMP_MON_REF(ref,(*this)->ref)) < 0) { /* go left */ @@ -914,8 +938,12 @@ static void erts_dump_monitors(ErtsMonitor *root, int indent) if (root == NULL) return; erts_dump_monitors(root->right,indent+2); - erts_printf("%*s[%b16d:%b16u:%T:%T:%T]\n", indent, "", root->balance, - root->type, root->ref, root->pid, root->name); + erts_printf("%*s[%b16d:%b16u:%T:%T", indent, "", root->balance, + root->type, root->ref, root->name); + if (root->type == MON_NIF_TARGET) + erts_printf(":%p]\n", root->u.resource); + else + erts_printf(":%T]\n", root->u.pid); erts_dump_monitors(root->left,indent+2); } @@ -1030,7 +1058,7 @@ void erts_one_link_size(ErtsLink *lnk, void *vpu) { Uint *pu = vpu; *pu += ERTS_LINK_SIZE*sizeof(Uint); - if(!IS_CONST(lnk->pid)) + if(is_not_immed(lnk->pid)) *pu += NC_HEAP_SIZE(lnk->pid)*sizeof(Uint); if (lnk->type != LINK_NODE && ERTS_LINK_ROOT(lnk) != NULL) { erts_doforall_links(ERTS_LINK_ROOT(lnk),&erts_one_link_size,vpu); @@ -1040,8 +1068,8 @@ void erts_one_mon_size(ErtsMonitor *mon, void *vpu) { Uint *pu = vpu; *pu += ERTS_MONITOR_SIZE*sizeof(Uint); - if(!IS_CONST(mon->pid)) - *pu += NC_HEAP_SIZE(mon->pid)*sizeof(Uint); - if(!IS_CONST(mon->ref)) + if(mon->type != MON_NIF_TARGET && is_not_immed(mon->u.pid)) + *pu += NC_HEAP_SIZE(mon->u.pid)*sizeof(Uint); + if(is_not_immed(mon->ref)) *pu += NC_HEAP_SIZE(mon->ref)*sizeof(Uint); } diff --git a/erts/emulator/beam/erl_monitors.h b/erts/emulator/beam/erl_monitors.h index 9e2beedea3..f659829e6c 100644 --- a/erts/emulator/beam/erl_monitors.h +++ b/erts/emulator/beam/erl_monitors.h @@ -82,8 +82,9 @@ /* Type tags for monitors */ #define MON_ORIGIN 1 -#define MON_TARGET 3 -#define MON_TIME_OFFSET 7 +#define MON_TARGET 2 +#define MON_NIF_TARGET 3 +#define MON_TIME_OFFSET 4 /* Type tags for links */ #define LINK_PID 1 /* ...Or port */ @@ -91,7 +92,7 @@ /* Size of a monitor without heap, in words (fixalloc) */ #define ERTS_MONITOR_SIZE ((sizeof(ErtsMonitor) - sizeof(Uint))/sizeof(Uint)) -#define ERTS_MONITOR_SH_SIZE (ERTS_MONITOR_SIZE + REF_THING_SIZE) +#define ERTS_MONITOR_SH_SIZE (ERTS_MONITOR_SIZE + ERTS_REF_THING_SIZE) #define ERTS_LINK_SIZE ((sizeof(ErtsLink) - sizeof(Uint))/sizeof(Uint)) #define ERTS_LINK_SH_SIZE ERTS_LINK_SIZE /* Size of fix-alloced links */ @@ -105,11 +106,15 @@ typedef struct erts_monitor_or_link { typedef struct erts_monitor { struct erts_monitor *left, *right; Sint16 balance; - Uint16 type; /* MON_ORIGIN | MON_TARGET | MON_TIME_OFFSET */ + Uint16 type; /* MON_ORIGIN | MON_TARGET | MON_NIF_TARGET | MON_TIME_OFFSET */ Eterm ref; - Eterm pid; /* In case of distributed named monitor, this is the - nodename atom in MON_ORIGIN process, otherwise a pid or - , in case of a MON_TARGET, a port */ + union { + Eterm pid; /* In case of distributed named monitor, this is the + * nodename atom in MON_ORIGIN process, otherwise a pid or, + * in case of a MON_TARGET, a port + */ + struct ErtsResource_* resource; /* MON_NIF_TARGET */ + }u; Eterm name; /* When monitoring a named process: atom() else [] */ Uint heap[1]; /* Larger in reality */ } ErtsMonitor; @@ -144,7 +149,7 @@ Uint erts_tot_link_lh_size(void); /* Prototypes */ void erts_destroy_monitor(ErtsMonitor *mon); -void erts_add_monitor(ErtsMonitor **root, Uint type, Eterm ref, Eterm pid, +void erts_add_monitor(ErtsMonitor **root, Uint type, Eterm ref, UWord entity, Eterm name); ErtsMonitor *erts_remove_monitor(ErtsMonitor **root, Eterm ref); ErtsMonitor *erts_lookup_monitor(ErtsMonitor *root, Eterm ref); diff --git a/erts/emulator/beam/erl_msacc.c b/erts/emulator/beam/erl_msacc.c index 66bb55e6c8..1c3160efaf 100644 --- a/erts/emulator/beam/erl_msacc.c +++ b/erts/emulator/beam/erl_msacc.c @@ -66,9 +66,9 @@ static Uint msacc_unmanaged_count = 0; #endif #if ERTS_MSACC_STATE_COUNT < MAP_SMALL_MAP_LIMIT -#define DEFAULT_MSACC_MSG_SIZE (3 + 1 + ERTS_MSACC_STATE_COUNT * 2 + 3 + REF_THING_SIZE) +#define DEFAULT_MSACC_MSG_SIZE (3 + 1 + ERTS_MSACC_STATE_COUNT * 2 + 3 + ERTS_REF_THING_SIZE) #else -#define DEFAULT_MSACC_MSG_SIZE (3 + ERTS_MSACC_STATE_COUNT * 3 + 3 + REF_THING_SIZE) +#define DEFAULT_MSACC_MSG_SIZE (3 + ERTS_MSACC_STATE_COUNT * 3 + 3 + ERTS_REF_THING_SIZE) #endif /* we have to split initiation as atoms are not inited in early init */ @@ -212,7 +212,7 @@ typedef struct { int action; Process *proc; Eterm ref; - Eterm ref_heap[REF_THING_SIZE]; + Eterm ref_heap[ERTS_REF_THING_SIZE]; Uint req_sched; erts_smp_atomic32_t refc; } ErtsMSAccReq; @@ -245,7 +245,7 @@ static void send_reply(ErtsMsAcc *msacc, ErtsMSAccReq *msaccrp) { if (msacc->unmanaged) erts_mtx_lock(&msacc->mtx); - hp = erts_produce_heap(&factory, REF_THING_SIZE + 3 /* tuple */, 0); + hp = erts_produce_heap(&factory, ERTS_REF_THING_SIZE + 3 /* tuple */, 0); ref_copy = STORE_NC(&hp, &msgp->hfrag.off_heap, msaccrp->ref); msg = erts_msacc_gather_stats(msacc, &factory); msg = TUPLE2(hp, ref_copy, msg); @@ -255,7 +255,7 @@ static void send_reply(ErtsMsAcc *msacc, ErtsMSAccReq *msaccrp) { erts_factory_close(&factory); } else { ErlOffHeap *ohp = NULL; - msgp = erts_alloc_message_heap(rp, &rp_locks, REF_THING_SIZE, &hp, &ohp); + msgp = erts_alloc_message_heap(rp, &rp_locks, ERTS_REF_THING_SIZE, &hp, &ohp); msg = STORE_NC(&hp, &msgp->hfrag.off_heap, msaccrp->ref); } diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c index 7c7a32f234..e6da4c1a76 100644 --- a/erts/emulator/beam/erl_nif.c +++ b/erts/emulator/beam/erl_nif.c @@ -723,7 +723,7 @@ int enif_send(ErlNifEnv* env, const ErlNifPid* to_pid, Uint sz; INITIALIZE_LITERAL_PURGE_AREA(litarea); sz = size_object_litopt(msg, &litarea); - if (env && !env->tracee) { + if (c_p && !env->tracee) { full_flush_env(env); mp = erts_alloc_message_heap(rp, &rp_locks, sz, &hp, &ohp); full_cache_env(env); @@ -1721,7 +1721,7 @@ ERL_NIF_TERM enif_make_string_len(ErlNifEnv* env, const char* string, ERL_NIF_TERM enif_make_ref(ErlNifEnv* env) { - Eterm* hp = alloc_heap(env, REF_THING_SIZE); + Eterm* hp = alloc_heap(env, ERTS_REF_THING_SIZE); return erts_make_ref_in_buffer(hp); } @@ -1942,38 +1942,9 @@ int enif_snprintf(char *buffer, size_t size, const char* format, ...) ** Memory managed (GC'ed) "resource" objects ** ***********************************************************/ - -struct enif_resource_type_t -{ - struct enif_resource_type_t* next; /* list of all resource types */ - struct enif_resource_type_t* prev; - struct erl_module_nif* owner; /* that created this type and thus implements the destructor*/ - ErlNifResourceDtor* dtor; /* user destructor function */ - erts_refc_t refc; /* num of resources of this type (HOTSPOT warning) - +1 for active erl_module_nif */ - Eterm module; - Eterm name; -}; - /* dummy node in circular list */ struct enif_resource_type_t resource_type_list; -typedef struct enif_resource_t -{ - struct enif_resource_type_t* type; -#ifdef DEBUG - erts_refc_t nif_refc; -# ifdef ARCH_32 - byte align__[4]; -# endif -#endif - - char data[1]; -}ErlNifResource; - -#define SIZEOF_ErlNifResource(SIZE) (offsetof(ErlNifResource,data) + (SIZE)) -#define DATA_TO_RESOURCE(PTR) ((ErlNifResource*)((char*)(PTR) - offsetof(ErlNifResource,data))) - static ErlNifResourceType* find_resource_type(Eterm module, Eterm name) { ErlNifResourceType* type; @@ -2035,24 +2006,23 @@ struct opened_resource_type ErlNifResourceFlags op; ErlNifResourceType* type; - ErlNifResourceDtor* new_dtor; + ErlNifResourceTypeInit new_callbacks; }; static struct opened_resource_type* opened_rt_list = NULL; -ErlNifResourceType* -enif_open_resource_type(ErlNifEnv* env, - const char* module_str, - const char* name_str, - ErlNifResourceDtor* dtor, - ErlNifResourceFlags flags, - ErlNifResourceFlags* tried) +static +ErlNifResourceType* open_resource_type(ErlNifEnv* env, + const char* name_str, + const ErlNifResourceTypeInit* init, + ErlNifResourceFlags flags, + ErlNifResourceFlags* tried, + size_t sizeof_init) { ErlNifResourceType* type = NULL; ErlNifResourceFlags op = flags; Eterm module_am, name_am; ASSERT(erts_smp_thr_progress_is_blocking()); - ASSERT(module_str == NULL); /* for now... */ module_am = make_atom(env->mod_nif->mod->module); name_am = enif_make_atom(env, name_str); @@ -2086,7 +2056,9 @@ enif_open_resource_type(ErlNifEnv* env, sizeof(struct opened_resource_type)); ort->op = op; ort->type = type; - ort->new_dtor = dtor; + sys_memzero(&ort->new_callbacks, sizeof(ErlNifResourceTypeInit)); + ASSERT(sizeof_init > 0 && sizeof_init <= sizeof(ErlNifResourceTypeInit)); + sys_memcpy(&ort->new_callbacks, init, sizeof_init); ort->next = opened_rt_list; opened_rt_list = ort; } @@ -2096,6 +2068,31 @@ enif_open_resource_type(ErlNifEnv* env, return type; } +ErlNifResourceType* +enif_open_resource_type(ErlNifEnv* env, + const char* module_str, + const char* name_str, + ErlNifResourceDtor* dtor, + ErlNifResourceFlags flags, + ErlNifResourceFlags* tried) +{ + ErlNifResourceTypeInit init = {dtor, NULL}; + ASSERT(module_str == NULL); /* for now... */ + return open_resource_type(env, name_str, &init, flags, tried, + sizeof(init)); +} + +ErlNifResourceType* +enif_open_resource_type_x(ErlNifEnv* env, + const char* name_str, + const ErlNifResourceTypeInit* init, + ErlNifResourceFlags flags, + ErlNifResourceFlags* tried) +{ + return open_resource_type(env, name_str, init, flags, tried, + env->mod_nif->entry.sizeof_ErlNifResourceTypeInit); +} + static void commit_opened_resource_types(struct erl_module_nif* lib) { while (opened_rt_list) { @@ -2114,7 +2111,9 @@ static void commit_opened_resource_types(struct erl_module_nif* lib) } type->owner = lib; - type->dtor = ort->new_dtor; + type->dtor = ort->new_callbacks.dtor; + type->stop = ort->new_callbacks.stop; + type->down = ort->new_callbacks.down; if (type->dtor != NULL) { erts_refc_inc(&lib->rt_dtor_cnt, 1); @@ -2140,12 +2139,145 @@ static void rollback_opened_resource_types(void) } } +struct destroy_monitor_ctx +{ + ErtsResource* resource; + int exiting_procs; + int scheduler; +}; -static void nif_resource_dtor(Binary* bin) +static void destroy_one_monitor(ErtsMonitor* mon, void* context) { - ErlNifResource* resource = (ErlNifResource*) ERTS_MAGIC_BIN_UNALIGNED_DATA(bin); + struct destroy_monitor_ctx* ctx = (struct destroy_monitor_ctx*) context; + Process* rp; + ErtsMonitor *rmon = NULL; + int is_exiting; + + ASSERT(mon->type == MON_ORIGIN); + ASSERT(is_internal_pid(mon->u.pid)); + ASSERT(is_internal_ref(mon->ref)); + + if (ctx->scheduler > 0) { /* Normal scheduler */ + rp = erts_proc_lookup(mon->u.pid); + } + else { +#ifdef ERTS_SMP + rp = erts_proc_lookup_inc_refc(mon->u.pid); +#else + ASSERT(!"nif monitor destruction in non-scheduler thread"); + rp = NULL; +#endif + } + + if (!rp) { + is_exiting = 1; + } + if (rp) { + erts_smp_proc_lock(rp, ERTS_PROC_LOCK_LINK); + if (ERTS_PROC_IS_EXITING(rp)) { + is_exiting = 1; + } else { + rmon = erts_remove_monitor(&ERTS_P_MONITORS(rp), mon->ref); + ASSERT(rmon); + is_exiting = 0; + } + erts_smp_proc_unlock(rp, ERTS_PROC_LOCK_LINK); +#ifdef ERTS_SMP + if (ctx->scheduler <= 0) + erts_proc_dec_refc(rp); +#endif + } + if (is_exiting) { + ctx->resource->monitors->pending_failed_fire++; + } + + /* ToDo: Delay destruction after monitor_locks */ + if (rmon) { + ASSERT(rmon->type == MON_NIF_TARGET); + ASSERT(rmon->u.resource == ctx->resource); + erts_destroy_monitor(rmon); + } + erts_destroy_monitor(mon); +} + +static void destroy_all_monitors(ErtsMonitor* monitors, ErtsResource* resource) +{ + struct destroy_monitor_ctx ctx; + + execution_state(NULL, NULL, &ctx.scheduler); + + ctx.resource = resource; + erts_sweep_monitors(monitors, &destroy_one_monitor, &ctx); +} + + +#ifdef ERTS_SMP +# define NIF_RESOURCE_DTOR &nif_resource_dtor +#else +# define NIF_RESOURCE_DTOR &nosmp_nif_resource_dtor_prologue + +/* + * NO-SMP: Always run resource destructor on scheduler thread + * as we may have to remove process monitors. + */ +static int nif_resource_dtor(Binary*); + +static void nosmp_nif_resource_dtor_scheduled(void* vbin) +{ + erts_bin_free((Binary*)vbin); +} + +static int nosmp_nif_resource_dtor_prologue(Binary* bin) +{ + if (is_scheduler()) { + return nif_resource_dtor(bin); + } + else { + erts_schedule_misc_aux_work(1, nosmp_nif_resource_dtor_scheduled, bin); + return 0; /* do not free */ + } +} + +#endif /* !ERTS_SMP */ + +static int nif_resource_dtor(Binary* bin) +{ + ErtsResource* resource = (ErtsResource*) ERTS_MAGIC_BIN_UNALIGNED_DATA(bin); ErlNifResourceType* type = resource->type; - ASSERT(ERTS_MAGIC_BIN_DESTRUCTOR(bin) == &nif_resource_dtor); + ASSERT(ERTS_MAGIC_BIN_DESTRUCTOR(bin) == NIF_RESOURCE_DTOR); + + if (resource->monitors) { + ErtsResourceMonitors* rm = resource->monitors; + + ASSERT(type->down); + erts_smp_mtx_lock(&rm->lock); + ASSERT(erts_refc_read(&bin->refc, 0) == 0); + if (rm->root) { + ASSERT(!rm->is_dying); + destroy_all_monitors(rm->root, resource); + rm->root = NULL; + } + if (rm->pending_failed_fire) { + /* + * Resource death struggle prolonged to serve exiting process(es). + * Destructor will be called again when last exiting process + * tries to fire its MON_NIF_TARGET monitor (and fails). + * + * This resource is doomed. It has no "real" references and + * should get not get called upon to do anything except the + * final destructor call. + * + * We keep refc at 0 and use a separate counter for exiting + * processes to avoid resource getting revived by "dec_term". + */ + ASSERT(!rm->is_dying); + rm->is_dying = 1; + erts_smp_mtx_unlock(&rm->lock); + return 0; + } + erts_smp_mtx_unlock(&rm->lock); + erts_smp_mtx_destroy(&rm->lock); + } if (type->dtor != NULL) { struct enif_msg_environment_t msg_env; @@ -2160,14 +2292,92 @@ static void nif_resource_dtor(Binary* bin) steal_resource_type(type); erts_free(ERTS_ALC_T_NIF, type); } + return 1; +} + +void erts_resource_stop(ErtsResource* resource, ErlNifEvent e, + int is_direct_call) +{ + struct enif_msg_environment_t msg_env; + ASSERT(resource->type->stop); + pre_nif_noproc(&msg_env, resource->type->owner, NULL); + resource->type->stop(&msg_env.env, resource->data, e, is_direct_call); + post_nif_noproc(&msg_env); +} + +void erts_fire_nif_monitor(ErtsResource* resource, Eterm pid, Eterm ref) +{ + ErtsMonitor* rmon; + ErtsBinary* bin = ERTS_MAGIC_BIN_FROM_UNALIGNED_DATA(resource); + struct enif_msg_environment_t msg_env; + ErlNifPid nif_pid; + ErlNifMonitor nif_monitor; + ErtsResourceMonitors* rmp = resource->monitors; + + ASSERT(rmp); + ASSERT(resource->type->down); + + erts_smp_mtx_lock(&rmp->lock); + rmon = erts_remove_monitor(&rmp->root, ref); + if (!rmon) { + int free_me = (--rmp->pending_failed_fire == 0) && rmp->is_dying; + ASSERT(rmp->pending_failed_fire >= 0); + erts_smp_mtx_unlock(&rmp->lock); + + if (free_me) { + ASSERT(erts_refc_read(&bin->binary.refc, 0) == 0); + erts_bin_free(&bin->binary); + } + return; + } + ASSERT(!rmp->is_dying); + if (erts_refc_inc_unless(&bin->binary.refc, 0, 0) == 0) { + /* + * Racing resource destruction. + * To avoid a more complex refc-dance with destructing thread + * we avoid calling 'down' and just silently remove the monitor. + * This can happen even for non smp as destructor calls may be scheduled. + */ + erts_smp_mtx_unlock(&rmp->lock); + } + else { + erts_smp_mtx_unlock(&rmp->lock); + + ASSERT(rmon->u.pid == pid); + erts_ref_to_driver_monitor(ref, &nif_monitor); + nif_pid.pid = pid; + pre_nif_noproc(&msg_env, resource->type->owner, NULL); + resource->type->down(&msg_env.env, resource->data, &nif_pid, &nif_monitor); + post_nif_noproc(&msg_env); + + if (erts_refc_dectest(&bin->binary.refc, 0) == 0) { + erts_bin_free(&bin->binary); + } + } + erts_destroy_monitor(rmon); } -void* enif_alloc_resource(ErlNifResourceType* type, size_t size) +void* enif_alloc_resource(ErlNifResourceType* type, size_t data_sz) { - Binary* bin = erts_create_magic_binary_x(SIZEOF_ErlNifResource(size), - &nif_resource_dtor, - 1); /* unaligned */ - ErlNifResource* resource = ERTS_MAGIC_BIN_UNALIGNED_DATA(bin); + size_t magic_sz = offsetof(ErtsResource,data); + Binary* bin; + ErtsResource* resource; + size_t monitors_offs; + + if (type->down) { + /* Put ErtsResourceMonitors after user data and properly aligned */ + monitors_offs = ((data_sz + ERTS_ALLOC_ALIGN_BYTES - 1) + & ~((size_t)ERTS_ALLOC_ALIGN_BYTES - 1)); + magic_sz += monitors_offs + sizeof(ErtsResourceMonitors); + } + else { + ERTS_UNDEF(monitors_offs, 0); + magic_sz += data_sz; + } + bin = erts_create_magic_binary_x(magic_sz, NIF_RESOURCE_DTOR, + ERTS_ALC_T_BINARY, + 1); /* unaligned */ + resource = ERTS_MAGIC_BIN_UNALIGNED_DATA(bin); ASSERT(type->owner && type->next && type->prev); /* not allowed in load/upgrade */ resource->type = type; @@ -2176,15 +2386,27 @@ void* enif_alloc_resource(ErlNifResourceType* type, size_t size) erts_refc_init(&resource->nif_refc, 1); #endif erts_refc_inc(&resource->type->refc, 2); + if (type->down) { + resource->monitors = (ErtsResourceMonitors*) (resource->data + monitors_offs); + erts_smp_mtx_init(&resource->monitors->lock, "resource_monitors"); + resource->monitors->root = NULL; + resource->monitors->pending_failed_fire = 0; + resource->monitors->is_dying = 0; + resource->monitors->user_data_sz = data_sz; + } + else { + resource->monitors = NULL; + } return resource->data; } void enif_release_resource(void* obj) { - ErlNifResource* resource = DATA_TO_RESOURCE(obj); + ErtsResource* resource = DATA_TO_RESOURCE(obj); ErtsBinary* bin = ERTS_MAGIC_BIN_FROM_UNALIGNED_DATA(resource); - ASSERT(ERTS_MAGIC_BIN_DESTRUCTOR(bin) == &nif_resource_dtor); + ASSERT(ERTS_MAGIC_BIN_DESTRUCTOR(bin) == NIF_RESOURCE_DTOR); + ASSERT(!(resource->monitors && resource->monitors->is_dying)); #ifdef DEBUG erts_refc_dec(&resource->nif_refc, 0); #endif @@ -2195,50 +2417,81 @@ void enif_release_resource(void* obj) void enif_keep_resource(void* obj) { - ErlNifResource* resource = DATA_TO_RESOURCE(obj); + ErtsResource* resource = DATA_TO_RESOURCE(obj); ErtsBinary* bin = ERTS_MAGIC_BIN_FROM_UNALIGNED_DATA(resource); - ASSERT(ERTS_MAGIC_BIN_DESTRUCTOR(bin) == &nif_resource_dtor); + ASSERT(ERTS_MAGIC_BIN_DESTRUCTOR(bin) == NIF_RESOURCE_DTOR); + ASSERT(!(resource->monitors && resource->monitors->is_dying)); #ifdef DEBUG erts_refc_inc(&resource->nif_refc, 1); #endif erts_refc_inc(&bin->binary.refc, 2); } +Eterm erts_bld_resource_ref(Eterm** hpp, ErlOffHeap* oh, ErtsResource* resource) +{ + ErtsBinary* bin = ERTS_MAGIC_BIN_FROM_UNALIGNED_DATA(resource); + ASSERT(!(resource->monitors && resource->monitors->is_dying)); + return erts_mk_magic_ref(hpp, oh, &bin->binary); +} + ERL_NIF_TERM enif_make_resource(ErlNifEnv* env, void* obj) { - ErlNifResource* resource = DATA_TO_RESOURCE(obj); + ErtsResource* resource = DATA_TO_RESOURCE(obj); ErtsBinary* bin = ERTS_MAGIC_BIN_FROM_UNALIGNED_DATA(resource); - Eterm* hp = alloc_heap(env,PROC_BIN_SIZE); - return erts_mk_magic_binary_term(&hp, &MSO(env->proc), &bin->binary); + Eterm* hp = alloc_heap(env, ERTS_MAGIC_REF_THING_SIZE); + ASSERT(!(resource->monitors && resource->monitors->is_dying)); + return erts_mk_magic_ref(&hp, &MSO(env->proc), &bin->binary); } ERL_NIF_TERM enif_make_resource_binary(ErlNifEnv* env, void* obj, const void* data, size_t size) { - Eterm bin = enif_make_resource(env, obj); - ProcBin* pb = (ProcBin*) binary_val(bin); - pb->bytes = (byte*) data; + ErtsResource* resource = DATA_TO_RESOURCE(obj); + ErtsBinary* bin = ERTS_MAGIC_BIN_FROM_UNALIGNED_DATA(resource); + ErlOffHeap *ohp = &MSO(env->proc); + Eterm* hp = alloc_heap(env,PROC_BIN_SIZE); + ProcBin* pb = (ProcBin *) hp; + + pb->thing_word = HEADER_PROC_BIN; pb->size = size; - return bin; + pb->next = ohp->first; + ohp->first = (struct erl_off_heap_header*) pb; + pb->val = &bin->binary; + pb->bytes = (byte*) data; + pb->flags = 0; + + OH_OVERHEAD(ohp, size / sizeof(Eterm)); + erts_refc_inc(&bin->binary.refc, 1); + + return make_binary(hp); } int enif_get_resource(ErlNifEnv* env, ERL_NIF_TERM term, ErlNifResourceType* type, void** objp) { - ProcBin* pb; Binary* mbin; - ErlNifResource* resource; - if (!ERTS_TERM_IS_MAGIC_BINARY(term)) { - return 0; + ErtsResource* resource; + if (is_internal_magic_ref(term)) + mbin = erts_magic_ref2bin(term); + else { + Eterm *hp; + if (!is_binary(term)) + return 0; + hp = binary_val(term); + if (thing_subtag(*hp) != REFC_BINARY_SUBTAG) + return 0; + /* + if (((ProcBin *) hp)->size != 0) { + return 0; / * Or should we allow "resource binaries" as handles? * / + } + */ + mbin = ((ProcBin *) hp)->val; + if (!(mbin->flags & BIN_FLAG_MAGIC)) + return 0; } - pb = (ProcBin*) binary_val(term); - /*if (pb->size != 0) { - return 0; / * Or should we allow "resource binaries" as handles? * / - }*/ - mbin = pb->val; - resource = (ErlNifResource*) ERTS_MAGIC_BIN_UNALIGNED_DATA(mbin); - if (ERTS_MAGIC_BIN_DESTRUCTOR(mbin) != &nif_resource_dtor + resource = (ErtsResource*) ERTS_MAGIC_BIN_UNALIGNED_DATA(mbin); + if (ERTS_MAGIC_BIN_DESTRUCTOR(mbin) != NIF_RESOURCE_DTOR || resource->type != type) { return 0; } @@ -2248,9 +2501,14 @@ int enif_get_resource(ErlNifEnv* env, ERL_NIF_TERM term, ErlNifResourceType* typ size_t enif_sizeof_resource(void* obj) { - ErlNifResource* resource = DATA_TO_RESOURCE(obj); - Binary* bin = &ERTS_MAGIC_BIN_FROM_UNALIGNED_DATA(resource)->binary; - return ERTS_MAGIC_BIN_UNALIGNED_DATA_SIZE(bin) - offsetof(ErlNifResource,data); + ErtsResource* resource = DATA_TO_RESOURCE(obj); + if (resource->monitors) { + return resource->monitors->user_data_sz; + } + else { + Binary* bin = &ERTS_MAGIC_BIN_FROM_UNALIGNED_DATA(resource)->binary; + return ERTS_MAGIC_BIN_UNALIGNED_DATA_SIZE(bin) - offsetof(ErtsResource,data); + } } @@ -2862,6 +3120,157 @@ int enif_map_iterator_get_pair(ErlNifEnv *env, return 0; } +int enif_monitor_process(ErlNifEnv* env, void* obj, const ErlNifPid* target_pid, + ErlNifMonitor* monitor) +{ + int scheduler; + ErtsResource* rsrc = DATA_TO_RESOURCE(obj); + Process *rp; + Eterm tmp[ERTS_REF_THING_SIZE]; + Eterm ref; + int retval; + + ASSERT(ERTS_MAGIC_BIN_FROM_UNALIGNED_DATA(rsrc)->magic_binary.destructor + == NIF_RESOURCE_DTOR); + ASSERT(!(rsrc->monitors && rsrc->monitors->is_dying)); + ASSERT(!rsrc->monitors == !rsrc->type->down); + + + if (!rsrc->monitors) { + ASSERT(!rsrc->type->down); + return -1; + } + ASSERT(rsrc->type->down); + + execution_state(env, NULL, &scheduler); + +#ifdef ERTS_SMP + if (scheduler > 0) /* Normal scheduler */ + rp = erts_proc_lookup_raw(target_pid->pid); + else + rp = erts_proc_lookup_raw_inc_refc(target_pid->pid); +#else + if (scheduler <= 0) { + erts_exit(ERTS_ABORT_EXIT, "enif_monitor_process: called from " + "non-scheduler thread on non-SMP VM"); + } + rp = erts_proc_lookup(target_pid->pid); +#endif + + if (!rp) + return 1; + + ref = erts_make_ref_in_buffer(tmp); + + erts_smp_mtx_lock(&rsrc->monitors->lock); + erts_smp_proc_lock(rp, ERTS_PROC_LOCK_LINK); + if (ERTS_PSFLG_FREE & erts_smp_atomic32_read_nob(&rp->state)) { + retval = 1; + } + else { + erts_add_monitor(&rsrc->monitors->root, MON_ORIGIN, ref, rp->common.id, NIL); + erts_add_monitor(&ERTS_P_MONITORS(rp), MON_NIF_TARGET, ref, (UWord)rsrc, NIL); + retval = 0; + } + erts_smp_proc_unlock(rp, ERTS_PROC_LOCK_LINK); + erts_smp_mtx_unlock(&rsrc->monitors->lock); + +#ifdef ERTS_SMP + if (scheduler <= 0) + erts_proc_dec_refc(rp); +#endif + if (monitor) + erts_ref_to_driver_monitor(ref,monitor); + + return retval; +} + +int enif_demonitor_process(ErlNifEnv* env, void* obj, const ErlNifMonitor* monitor) +{ + int scheduler; + ErtsResource* rsrc = DATA_TO_RESOURCE(obj); +#ifdef DEBUG + ErtsBinary* bin = ERTS_MAGIC_BIN_FROM_UNALIGNED_DATA(rsrc); +#endif + Process *rp; + ErtsMonitor *mon; + ErtsMonitor *rmon = NULL; + Eterm ref_heap[ERTS_REF_THING_SIZE]; + Eterm ref; + int is_exiting; + + ASSERT(bin->magic_binary.destructor == NIF_RESOURCE_DTOR); + ASSERT(!(rsrc->monitors && rsrc->monitors->is_dying)); + + execution_state(env, NULL, &scheduler); + + ref = erts_driver_monitor_to_ref(ref_heap, monitor); + + erts_smp_mtx_lock(&rsrc->monitors->lock); + mon = erts_remove_monitor(&rsrc->monitors->root, ref); + + if (mon == NULL) { + erts_smp_mtx_unlock(&rsrc->monitors->lock); + return 1; + } + + ASSERT(mon->type == MON_ORIGIN); + ASSERT(is_internal_pid(mon->u.pid)); + +#ifdef ERTS_SMP + if (scheduler > 0) /* Normal scheduler */ + rp = erts_proc_lookup(mon->u.pid); + else + rp = erts_proc_lookup_inc_refc(mon->u.pid); +#else + if (scheduler <= 0) { + erts_exit(ERTS_ABORT_EXIT, "enif_demonitor_process: called from " + "non-scheduler thread on non-SMP VM"); + } + rp = erts_proc_lookup(mon->u.pid); +#endif + + if (!rp) { + is_exiting = 1; + } + else { + erts_smp_proc_lock(rp, ERTS_PROC_LOCK_LINK); + if (ERTS_PROC_IS_EXITING(rp)) { + is_exiting = 1; + } else { + rmon = erts_remove_monitor(&ERTS_P_MONITORS(rp), ref); + ASSERT(rmon); + is_exiting = 0; + } + erts_smp_proc_unlock(rp, ERTS_PROC_LOCK_LINK); + +#ifdef ERTS_SMP + if (scheduler <= 0) + erts_proc_dec_refc(rp); +#endif + } + if (is_exiting) { + rsrc->monitors->pending_failed_fire++; + } + erts_smp_mtx_unlock(&rsrc->monitors->lock); + + if (rmon) { + ASSERT(rmon->type == MON_NIF_TARGET); + ASSERT(rmon->u.resource == rsrc); + erts_destroy_monitor(rmon); + } + erts_destroy_monitor(mon); + + return 0; +} + +int enif_compare_monitors(const ErlNifMonitor *monitor1, + const ErlNifMonitor *monitor2) +{ + return sys_memcmp((void *) monitor1, (void *) monitor2, + ERTS_REF_THING_SIZE*sizeof(Eterm)); +} + /*************************************************************************** ** load_nif/2 ** ***************************************************************************/ @@ -3012,6 +3421,11 @@ static struct erl_module_nif* create_lib(const ErlNifEntry* src) dst->funcs = lib->_funcs_copy_; dst->options = 0; } + if (AT_LEAST_VERSION(src, 2, 12)) { + dst->sizeof_ErlNifResourceTypeInit = src->sizeof_ErlNifResourceTypeInit; + } else { + dst->sizeof_ErlNifResourceTypeInit = 0; + } return lib; }; @@ -3330,7 +3744,8 @@ erts_unload_nif(struct erl_module_nif* lib) void erl_nif_init() { - ERTS_CT_ASSERT((offsetof(ErlNifResource,data) % 8) == ERTS_MAGIC_BIN_BYTES_TO_ALIGN); + ERTS_CT_ASSERT((offsetof(ErtsResource,data) % 8) + == ERTS_MAGIC_BIN_BYTES_TO_ALIGN); resource_type_list.next = &resource_type_list; resource_type_list.prev = &resource_type_list; diff --git a/erts/emulator/beam/erl_nif.h b/erts/emulator/beam/erl_nif.h index 413b4f7343..ac45f3ac81 100644 --- a/erts/emulator/beam/erl_nif.h +++ b/erts/emulator/beam/erl_nif.h @@ -52,7 +52,7 @@ ** 2.11: 19.0 enif_snprintf */ #define ERL_NIF_MAJOR_VERSION 2 -#define ERL_NIF_MINOR_VERSION 11 +#define ERL_NIF_MINOR_VERSION 12 /* * The emulator will refuse to load a nif-lib with a major version @@ -122,6 +122,9 @@ typedef struct enif_entry_t /* Added in 2.7 */ unsigned options; /* Unused. Can be set to 0 or 1 (dirty sched config) */ + + /* Added in 2.12 */ + size_t sizeof_ErlNifResourceTypeInit; }ErlNifEntry; @@ -135,8 +138,18 @@ typedef struct void* ref_bin; }ErlNifBinary; -typedef struct enif_resource_type_t ErlNifResourceType; -typedef void ErlNifResourceDtor(ErlNifEnv*, void*); +#if (defined(__WIN32__) || defined(_WIN32) || defined(_WIN32_)) +typedef void* ErlNifEvent; /* FIXME: Use 'HANDLE' somehow without breaking existing source */ +#else +typedef int ErlNifEvent; +#endif + +/* Return bits from enif_select: */ +#define ERL_NIF_SELECT_STOP_CALLED (1 << 0) +#define ERL_NIF_SELECT_STOP_SCHEDULED (1 << 1) +#define ERL_NIF_SELECT_INVALID_EVENT (1 << 2) +#define ERL_NIF_SELECT_FAILED (1 << 3) + typedef enum { ERL_NIF_RT_CREATE = 1, @@ -158,6 +171,19 @@ typedef struct ERL_NIF_TERM port_id; /* internal, may change */ }ErlNifPort; +typedef ErlDrvMonitor ErlNifMonitor; + +typedef struct enif_resource_type_t ErlNifResourceType; +typedef void ErlNifResourceDtor(ErlNifEnv*, void*); +typedef void ErlNifResourceStop(ErlNifEnv*, void*, ErlNifEvent, int is_direct_call); +typedef void ErlNifResourceDown(ErlNifEnv*, void*, ErlNifPid*, ErlNifMonitor*); + +typedef struct { + ErlNifResourceDtor* dtor; + ErlNifResourceStop* stop; /* at ERL_NIF_SELECT_STOP event */ + ErlNifResourceDown* down; /* enif_monitor_process */ +} ErlNifResourceTypeInit; + typedef ErlDrvSysInfo ErlNifSysInfo; typedef struct ErlDrvTid_ *ErlNifTid; @@ -292,7 +318,8 @@ ERL_NIF_INIT_DECL(NAME) \ FUNCS, \ LOAD, RELOAD, UPGRADE, UNLOAD, \ ERL_NIF_VM_VARIANT, \ - 1 \ + 1, \ + sizeof(ErlNifResourceTypeInit) \ }; \ ERL_NIF_INIT_BODY; \ return &entry; \ diff --git a/erts/emulator/beam/erl_nif_api_funcs.h b/erts/emulator/beam/erl_nif_api_funcs.h index 9a8f216773..01d9e386ed 100644 --- a/erts/emulator/beam/erl_nif_api_funcs.h +++ b/erts/emulator/beam/erl_nif_api_funcs.h @@ -175,6 +175,11 @@ ERL_NIF_API_FUNC_DECL(size_t, enif_binary_to_term, (ErlNifEnv *env, const unsign ERL_NIF_API_FUNC_DECL(int, enif_port_command, (ErlNifEnv *env, const ErlNifPort* to_port, ErlNifEnv *msg_env, ERL_NIF_TERM msg)); ERL_NIF_API_FUNC_DECL(int,enif_thread_type,(void)); ERL_NIF_API_FUNC_DECL(int,enif_snprintf,(char * buffer, size_t size, const char *format, ...)); +ERL_NIF_API_FUNC_DECL(int,enif_select,(ErlNifEnv* env, ErlNifEvent e, enum ErlNifSelectFlags flags, void* obj, const ErlNifPid* pid, ERL_NIF_TERM ref)); +ERL_NIF_API_FUNC_DECL(ErlNifResourceType*,enif_open_resource_type_x,(ErlNifEnv*, const char* name_str, const ErlNifResourceTypeInit*, ErlNifResourceFlags flags, ErlNifResourceFlags* tried)); +ERL_NIF_API_FUNC_DECL(int, enif_monitor_process,(ErlNifEnv*,void* obj,const ErlNifPid*,ErlDrvMonitor *monitor)); +ERL_NIF_API_FUNC_DECL(int, enif_demonitor_process,(ErlNifEnv*,void* obj,const ErlDrvMonitor *monitor)); +ERL_NIF_API_FUNC_DECL(int, enif_compare_monitors,(const ErlNifMonitor*,const ErlNifMonitor*)); /* ** ADD NEW ENTRIES HERE (before this comment) !!! @@ -332,6 +337,11 @@ ERL_NIF_API_FUNC_DECL(int,enif_snprintf,(char * buffer, size_t size, const char # define enif_port_command ERL_NIF_API_FUNC_MACRO(enif_port_command) # define enif_thread_type ERL_NIF_API_FUNC_MACRO(enif_thread_type) # define enif_snprintf ERL_NIF_API_FUNC_MACRO(enif_snprintf) +# define enif_select ERL_NIF_API_FUNC_MACRO(enif_select) +# define enif_open_resource_type_x ERL_NIF_API_FUNC_MACRO(enif_open_resource_type_x) +# define enif_monitor_process ERL_NIF_API_FUNC_MACRO(enif_monitor_process) +# define enif_demonitor_process ERL_NIF_API_FUNC_MACRO(enif_demonitor_process) +# define enif_compare_monitors ERL_NIF_API_FUNC_MACRO(enif_compare_monitors) /* ** ADD NEW ENTRIES HERE (before this comment) diff --git a/erts/emulator/beam/erl_node_container_utils.h b/erts/emulator/beam/erl_node_container_utils.h index 0c76c6fe7d..e27f1d121a 100644 --- a/erts/emulator/beam/erl_node_container_utils.h +++ b/erts/emulator/beam/erl_node_container_utils.h @@ -255,19 +255,16 @@ extern ErtsPTab erts_port; * Refs * \* */ +#define internal_ref_no_numbers(x) ERTS_REF_NUMBERS +#define internal_ref_numbers(x) (is_internal_ordinary_ref((x)) \ + ? internal_ordinary_ref_numbers((x)) \ + : (ASSERT(is_internal_magic_ref((x))), \ + internal_magic_ref_numbers((x)))) #if defined(ARCH_64) -#define internal_ref_no_of_numbers(x) \ - (internal_ref_data((x))[0]) -#define internal_thing_ref_no_of_numbers(thing) \ - (internal_thing_ref_data(thing)[0]) -#define internal_ref_numbers(x) \ - (&internal_ref_data((x))[1]) -#define internal_thing_ref_numbers(thing) \ - (&internal_thing_ref_data(thing)[1]) -#define external_ref_no_of_numbers(x) \ +#define external_ref_no_numbers(x) \ (external_ref_data((x))[0]) -#define external_thing_ref_no_of_numbers(thing) \ +#define external_thing_ref_no_numbers(thing) \ (external_thing_ref_data(thing)[0]) #define external_ref_numbers(x) \ (&external_ref_data((x))[1]) @@ -277,12 +274,8 @@ extern ErtsPTab erts_port; #else -#define internal_ref_no_of_numbers(x) (internal_ref_data_words((x))) -#define internal_thing_ref_no_of_numbers(t) (internal_thing_ref_data_words(t)) -#define internal_ref_numbers(x) (internal_ref_data((x))) -#define internal_thing_ref_numbers(t) (internal_thing_ref_data(t)) -#define external_ref_no_of_numbers(x) (external_ref_data_words((x))) -#define external_thing_ref_no_of_numbers(t) (external_thing_ref_data_words((t))) +#define external_ref_no_numbers(x) (external_ref_data_words((x))) +#define external_thing_ref_no_numbers(t) (external_thing_ref_data_words((t))) #define external_ref_numbers(x) (external_ref_data((x))) #define external_thing_ref_numbers(t) (external_thing_ref_data((t))) @@ -299,15 +292,9 @@ extern ErtsPTab erts_port; #define internal_ref_channel_no(x) (internal_channel_no((x))) #define external_ref_channel_no(x) (external_channel_no((x))) -#define ref_data_words(x) (is_internal_ref((x)) \ - ? internal_ref_data_words((x)) \ - : external_ref_data_words((x))) -#define ref_data(x) (is_internal_ref((x)) \ - ? internal_ref_data((x)) \ - : external_ref_data((x))) -#define ref_no_of_numbers(x) (is_internal_ref((x)) \ - ? internal_ref_no_of_numbers((x))\ - : external_ref_no_of_numbers((x))) +#define ref_no_numbers(x) (is_internal_ref((x)) \ + ? internal_ref_no_numbers((x))\ + : external_ref_no_numbers((x))) #define ref_numbers(x) (is_internal_ref((x)) \ ? internal_ref_numbers((x)) \ : external_ref_numbers((x))) diff --git a/erts/emulator/beam/erl_node_tables.c b/erts/emulator/beam/erl_node_tables.c index 70500ed6e1..e2072fe30f 100644 --- a/erts/emulator/beam/erl_node_tables.c +++ b/erts/emulator/beam/erl_node_tables.c @@ -98,7 +98,7 @@ dist_table_alloc(void *dep_tmpl) dist_entries++; dep->prev = NULL; - erts_refc_init(&dep->refc, -1); + erts_smp_refc_init(&dep->refc, -1); erts_smp_rwmtx_init_opt_x(&dep->rwmtx, &rwmtx_opt, "dist_entry", chnl_nr); dep->sysname = sysname; dep->cid = NIL; @@ -208,7 +208,7 @@ erts_channel_no_to_dist_entry(Uint cno) * to the node name is used as channel no. */ if(cno == ERST_INTERNAL_CHANNEL_NO) { - erts_refc_inc(&erts_this_dist_entry->refc, 2); + erts_smp_refc_inc(&erts_this_dist_entry->refc, 2); return erts_this_dist_entry; } @@ -231,16 +231,16 @@ erts_sysname_to_connected_dist_entry(Eterm sysname) de.sysname = sysname; if(erts_this_dist_entry->sysname == sysname) { - erts_refc_inc(&erts_this_dist_entry->refc, 2); + erts_smp_refc_inc(&erts_this_dist_entry->refc, 2); return erts_this_dist_entry; } erts_smp_rwmtx_rlock(&erts_dist_table_rwmtx); res_dep = (DistEntry *) hash_get(&erts_dist_table, (void *) &de); if (res_dep) { - erts_aint_t refc = erts_refc_inctest(&res_dep->refc, 1); + erts_aint_t refc = erts_smp_refc_inctest(&res_dep->refc, 1); if (refc < 2) /* Pending delete */ - erts_refc_inc(&res_dep->refc, 1); + erts_smp_refc_inc(&res_dep->refc, 1); } erts_smp_rwmtx_runlock(&erts_dist_table_rwmtx); if (res_dep) { @@ -267,9 +267,9 @@ DistEntry *erts_find_or_insert_dist_entry(Eterm sysname) de.sysname = sysname; erts_smp_rwmtx_rwlock(&erts_dist_table_rwmtx); res = hash_put(&erts_dist_table, (void *) &de); - refc = erts_refc_inctest(&res->refc, 0); + refc = erts_smp_refc_inctest(&res->refc, 0); if (refc < 2) /* New or pending delete */ - erts_refc_inc(&res->refc, 1); + erts_smp_refc_inc(&res->refc, 1); erts_smp_rwmtx_rwunlock(&erts_dist_table_rwmtx); return res; } @@ -282,9 +282,9 @@ DistEntry *erts_find_dist_entry(Eterm sysname) erts_smp_rwmtx_rlock(&erts_dist_table_rwmtx); res = hash_get(&erts_dist_table, (void *) &de); if (res) { - erts_aint_t refc = erts_refc_inctest(&res->refc, 1); + erts_aint_t refc = erts_smp_refc_inctest(&res->refc, 1); if (refc < 2) /* Pending delete */ - erts_refc_inc(&res->refc, 1); + erts_smp_refc_inc(&res->refc, 1); } erts_smp_rwmtx_runlock(&erts_dist_table_rwmtx); return res; @@ -311,7 +311,7 @@ static void try_delete_dist_entry(void *vdep) * * If refc > 0, the entry is in use. Keep the entry. */ - refc = erts_refc_dectest(&dep->refc, -1); + refc = erts_smp_refc_dectest(&dep->refc, -1); if (refc == -1) (void) hash_erase(&erts_dist_table, (void *) dep); erts_smp_rwmtx_rwunlock(&erts_dist_table_rwmtx); @@ -518,7 +518,7 @@ node_table_alloc(void *venp_tmpl) node_entries++; - erts_refc_init(&enp->refc, -1); + erts_smp_refc_init(&enp->refc, -1); enp->creation = ((ErlNode *) venp_tmpl)->creation; enp->sysname = ((ErlNode *) venp_tmpl)->sysname; enp->dist_entry = erts_find_or_insert_dist_entry(((ErlNode *) venp_tmpl)->sysname); @@ -585,9 +585,9 @@ ErlNode *erts_find_or_insert_node(Eterm sysname, Uint32 creation) erts_smp_rwmtx_rlock(&erts_node_table_rwmtx); res = hash_get(&erts_node_table, (void *) &ne); if (res && res != erts_this_node) { - erts_aint_t refc = erts_refc_inctest(&res->refc, 0); + erts_aint_t refc = erts_smp_refc_inctest(&res->refc, 0); if (refc < 2) /* New or pending delete */ - erts_refc_inc(&res->refc, 1); + erts_smp_refc_inc(&res->refc, 1); } erts_smp_rwmtx_runlock(&erts_node_table_rwmtx); if (res) @@ -597,9 +597,9 @@ ErlNode *erts_find_or_insert_node(Eterm sysname, Uint32 creation) res = hash_put(&erts_node_table, (void *) &ne); ASSERT(res); if (res != erts_this_node) { - erts_aint_t refc = erts_refc_inctest(&res->refc, 0); + erts_aint_t refc = erts_smp_refc_inctest(&res->refc, 0); if (refc < 2) /* New or pending delete */ - erts_refc_inc(&res->refc, 1); + erts_smp_refc_inc(&res->refc, 1); } erts_smp_rwmtx_rwunlock(&erts_node_table_rwmtx); return res; @@ -626,7 +626,7 @@ static void try_delete_node(void *venp) * * If refc > 0, the entry is in use. Keep the entry. */ - refc = erts_refc_dectest(&enp->refc, -1); + refc = erts_smp_refc_dectest(&enp->refc, -1); if (refc == -1) (void) hash_erase(&erts_node_table, (void *) enp); erts_smp_rwmtx_rwunlock(&erts_node_table_rwmtx); @@ -672,7 +672,7 @@ static void print_node(void *venp, void *vpndp) erts_print(pndp->to, pndp->to_arg, " %d", enp->creation); #ifdef DEBUG erts_print(pndp->to, pndp->to_arg, " (refc=%ld)", - erts_refc_read(&enp->refc, 0)); + erts_smp_refc_read(&enp->refc, 0)); #endif pndp->no_sysname++; } @@ -715,19 +715,19 @@ void erts_set_this_node(Eterm sysname, Uint creation) { ERTS_SMP_LC_ASSERT(erts_thr_progress_is_blocking()); - ASSERT(erts_refc_read(&erts_this_dist_entry->refc, 2)); + ASSERT(erts_smp_refc_read(&erts_this_dist_entry->refc, 2)); - if (erts_refc_dectest(&erts_this_node->refc, 0) == 0) + if (erts_smp_refc_dectest(&erts_this_node->refc, 0) == 0) try_delete_node(erts_this_node); - if (erts_refc_dectest(&erts_this_dist_entry->refc, 0) == 0) + if (erts_smp_refc_dectest(&erts_this_dist_entry->refc, 0) == 0) try_delete_dist_entry(erts_this_dist_entry); erts_this_node = NULL; /* to make sure refc is bumped for this node */ erts_this_node = erts_find_or_insert_node(sysname, creation); erts_this_dist_entry = erts_this_node->dist_entry; - erts_refc_inc(&erts_this_dist_entry->refc, 2); + erts_smp_refc_inc(&erts_this_dist_entry->refc, 2); erts_this_node_sysname = erts_this_node_sysname_BUFFER; erts_snprintf(erts_this_node_sysname, sizeof(erts_this_node_sysname_BUFFER), @@ -789,13 +789,13 @@ void erts_init_node_tables(int dd_sec) node_tmpl.creation = 0; erts_this_node = hash_put(&erts_node_table, &node_tmpl); /* +1 for erts_this_node */ - erts_refc_init(&erts_this_node->refc, 1); + erts_smp_refc_init(&erts_this_node->refc, 1); ASSERT(erts_this_node->dist_entry != NULL); erts_this_dist_entry = erts_this_node->dist_entry; /* +1 for erts_this_dist_entry */ /* +1 for erts_this_node->dist_entry */ - erts_refc_init(&erts_this_dist_entry->refc, 2); + erts_smp_refc_init(&erts_this_dist_entry->refc, 2); erts_this_node_sysname = erts_this_node_sysname_BUFFER; @@ -1126,12 +1126,12 @@ insert_offheap(ErlOffHeap *oh, int type, Eterm id) for (u.hdr = oh->first; u.hdr; u.hdr = u.hdr->next) { switch (thing_subtag(u.hdr->thing_word)) { - case REFC_BINARY_SUBTAG: - if(IsMatchProgBinary(u.pb->val)) { + case REF_SUBTAG: + if(IsMatchProgBinary(u.mref->mb)) { InsertedBin *ib; int insert_bin = 1; for (ib = inserted_bins; ib; ib = ib->next) - if(ib->bin_val == u.pb->val) { + if(ib->bin_val == (Binary *) u.mref->mb) { insert_bin = 0; break; } @@ -1140,18 +1140,19 @@ insert_offheap(ErlOffHeap *oh, int type, Eterm id) Uint *hp = &id_heap[0]; InsertedBin *nib; UseTmpHeapNoproc(BIG_UINT_HEAP_SIZE); - a.id = erts_bld_uint(&hp, NULL, (Uint) u.pb->val); - erts_match_prog_foreach_offheap(u.pb->val, + a.id = erts_bld_uint(&hp, NULL, (Uint) u.mref->mb); + erts_match_prog_foreach_offheap((Binary *) u.mref->mb, insert_offheap2, (void *) &a); nib = erts_alloc(ERTS_ALC_T_NC_TMP, sizeof(InsertedBin)); - nib->bin_val = u.pb->val; + nib->bin_val = (Binary *) u.mref->mb; nib->next = inserted_bins; inserted_bins = nib; UnUseTmpHeapNoproc(BIG_UINT_HEAP_SIZE); } } break; + case REFC_BINARY_SUBTAG: case FUN_SUBTAG: break; /* No need to */ default: @@ -1165,8 +1166,8 @@ insert_offheap(ErlOffHeap *oh, int type, Eterm id) static void doit_insert_monitor(ErtsMonitor *monitor, void *p) { Eterm *idp = p; - if(is_external(monitor->pid)) - insert_node(external_thing_ptr(monitor->pid)->node, MONITOR_REF, *idp); + if(monitor->type != MON_NIF_TARGET && is_external(monitor->u.pid)) + insert_node(external_thing_ptr(monitor->u.pid)->node, MONITOR_REF, *idp); if(is_external(monitor->ref)) insert_node(external_thing_ptr(monitor->ref)->node, MONITOR_REF, *idp); } @@ -1623,7 +1624,7 @@ reference_table_term(Uint **hpp, Uint *szp) tup = MK_2TUP(referred_nodes[i].node->sysname, MK_UINT(referred_nodes[i].node->creation)); - tup = MK_3TUP(tup, MK_UINT(erts_refc_read(&referred_nodes[i].node->refc, 0)), nril); + tup = MK_3TUP(tup, MK_UINT(erts_smp_refc_read(&referred_nodes[i].node->refc, 0)), nril); nl = MK_CONS(tup, nl); } @@ -1684,7 +1685,7 @@ reference_table_term(Uint **hpp, Uint *szp) /* DistList = [{Dist, Refc, ReferenceIdList}] */ tup = MK_3TUP(referred_dists[i].dist->sysname, - MK_UINT(erts_refc_read(&referred_dists[i].dist->refc, 0)), + MK_UINT(erts_smp_refc_read(&referred_dists[i].dist->refc, 0)), dril); dl = MK_CONS(tup, dl); } diff --git a/erts/emulator/beam/erl_node_tables.h b/erts/emulator/beam/erl_node_tables.h index 47a6724c21..35051173d0 100644 --- a/erts/emulator/beam/erl_node_tables.h +++ b/erts/emulator/beam/erl_node_tables.h @@ -107,7 +107,7 @@ typedef struct dist_entry_ { HashBucket hash_bucket; /* Hash bucket */ struct dist_entry_ *next; /* Next entry in dist_table (not sorted) */ struct dist_entry_ *prev; /* Previous entry in dist_table (not sorted) */ - erts_refc_t refc; /* Reference count */ + erts_smp_refc_t refc; /* Reference count */ erts_smp_rwmtx_t rwmtx; /* Protects all fields below until lck_mtx. */ Eterm sysname; /* name@host atom for efficiency */ @@ -149,7 +149,7 @@ typedef struct dist_entry_ { typedef struct erl_node_ { HashBucket hash_bucket; /* Hash bucket */ - erts_refc_t refc; /* Reference count */ + erts_smp_refc_t refc; /* Reference count */ Eterm sysname; /* name@host atom for efficiency */ Uint32 creation; /* Creation */ DistEntry *dist_entry; /* Corresponding dist entry */ @@ -210,7 +210,7 @@ ERTS_GLB_INLINE void erts_deref_dist_entry(DistEntry *dep) { ASSERT(dep); - if (erts_refc_dectest(&dep->refc, 0) == 0) + if (erts_smp_refc_dectest(&dep->refc, 0) == 0) erts_schedule_delete_dist_entry(dep); } @@ -218,7 +218,7 @@ ERTS_GLB_INLINE void erts_deref_node_entry(ErlNode *np) { ASSERT(np); - if (erts_refc_dectest(&np->refc, 0) == 0) + if (erts_smp_refc_dectest(&np->refc, 0) == 0) erts_schedule_delete_node(np); } diff --git a/erts/emulator/beam/erl_printf_term.c b/erts/emulator/beam/erl_printf_term.c index b43a1b0190..6b64bbd2f1 100644 --- a/erts/emulator/beam/erl_printf_term.c +++ b/erts/emulator/beam/erl_printf_term.c @@ -382,12 +382,15 @@ print_term(fmtfn_t fn, void* arg, Eterm obj, long *dcount) { break; } case REF_DEF: + if (!ERTS_IS_CRASH_DUMPING) + erts_magic_ref_save_bin(obj); + /* fall through... */ case EXTERNAL_REF_DEF: PRINT_STRING(res, fn, arg, "#Ref<"); PRINT_UWORD(res, fn, arg, 'u', 0, 1, (ErlPfUWord) ref_channel_no(wobj)); ref_num = ref_numbers(wobj); - for (i = ref_no_of_numbers(wobj)-1; i >= 0; i--) { + for (i = ref_no_numbers(wobj)-1; i >= 0; i--) { PRINT_CHAR(res, fn, arg, '.'); PRINT_UWORD(res, fn, arg, 'u', 0, 1, (ErlPfUWord) ref_num[i]); } diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c index 641a8fb3e8..52d9f9ddf7 100644 --- a/erts/emulator/beam/erl_process.c +++ b/erts/emulator/beam/erl_process.c @@ -1173,7 +1173,7 @@ typedef struct { int enable; Process *proc; Eterm ref; - Eterm ref_heap[REF_THING_SIZE]; + Eterm ref_heap[ERTS_REF_THING_SIZE]; Uint req_sched; erts_smp_atomic32_t refc; #ifdef ERTS_DIRTY_SCHEDULERS @@ -1185,7 +1185,7 @@ typedef struct { typedef struct { Process *proc; Eterm ref; - Eterm ref_heap[REF_THING_SIZE]; + Eterm ref_heap[ERTS_REF_THING_SIZE]; Uint req_sched; erts_smp_atomic32_t refc; } ErtsSystemCheckReq; @@ -1297,7 +1297,7 @@ reply_sched_wall_time(void *vswtrp) if (hpp) ref_copy = STORE_NC(hpp, ohp, swtrp->ref); else - *szp += REF_THING_SIZE; + *szp += ERTS_REF_THING_SIZE; ASSERT(!swtrp->set); @@ -1342,7 +1342,7 @@ reply_sched_wall_time(void *vswtrp) if (hpp) ref_copy = STORE_NC(hpp, ohp, swtrp->ref); else - *szp += REF_THING_SIZE; + *szp += ERTS_REF_THING_SIZE; if (swtrp->set) msg = ref_copy; @@ -1444,7 +1444,7 @@ reply_system_check(void *vscrp) ASSERT(!ERTS_SCHEDULER_IS_DIRTY(esdp)); #endif - sz = REF_THING_SIZE; + sz = ERTS_REF_THING_SIZE; mp = erts_alloc_message_heap(rp, &rp_locks, sz, &hp, &ohp); hpp = &hp; msg = STORE_NC(hpp, ohp, scrp->ref); @@ -5050,7 +5050,7 @@ check_balance(ErtsRunQueue *c_rq) sched_util_balancing = 1; /* * In order to avoid renaming a large amount of fields - * we write utilization values instead of lenght values + * we write utilization values instead of length values * in the 'max_len' and 'migration_limit' fields... */ for (qix = 0; qix < blnc_no_rqs; qix++) { @@ -6381,7 +6381,6 @@ erts_init_scheduling(int no_schedulers, int no_schedulers_online erts_tsd_set(sched_data_key, (void *) esdp); #endif } - erts_no_schedulers = 1; erts_no_dirty_cpu_schedulers = 0; erts_no_dirty_io_schedulers = 0; #endif @@ -10176,7 +10175,8 @@ Process *erts_schedule(ErtsSchedulerData *esdp, Process *p, int calls) esdp->current_process = NULL; #ifdef ERTS_SMP - p->scheduler_data = NULL; + if (is_normal_sched) + p->scheduler_data = NULL; #endif erts_smp_proc_unlock(p, (ERTS_PROC_LOCK_MAIN @@ -10633,8 +10633,8 @@ Process *erts_schedule(ErtsSchedulerData *esdp, Process *p, int calls) state = erts_smp_atomic32_read_nob(&p->state); - ASSERT(!p->scheduler_data); #ifndef ERTS_DIRTY_SCHEDULERS + ASSERT(!p->scheduler_data); p->scheduler_data = esdp; #else /* ERTS_DIRTY_SCHEDULERS */ if (is_normal_sched) { @@ -10645,6 +10645,7 @@ Process *erts_schedule(ErtsSchedulerData *esdp, Process *p, int calls) erts_smp_proc_unlock(p, ERTS_PROC_LOCK_STATUS); goto sched_out_proc; } + ASSERT(!p->scheduler_data); p->scheduler_data = esdp; } else { @@ -13322,9 +13323,9 @@ static void doit_exit_monitor(ErtsMonitor *mon, void *vpcontext) switch (mon->type) { case MON_ORIGIN: /* We are monitoring someone else, we need to demonitor that one.. */ - if (is_atom(mon->pid)) { /* remote by name */ - ASSERT(is_node_name_atom(mon->pid)); - dep = erts_sysname_to_connected_dist_entry(mon->pid); + if (is_atom(mon->u.pid)) { /* remote by name */ + ASSERT(is_node_name_atom(mon->u.pid)); + dep = erts_sysname_to_connected_dist_entry(mon->u.pid); if (dep) { erts_smp_de_links_lock(dep); rmon = erts_remove_monitor(&(dep->monitors), mon->ref); @@ -13335,7 +13336,7 @@ static void doit_exit_monitor(ErtsMonitor *mon, void *vpcontext) ERTS_DSP_NO_LOCK, 0); if (code == ERTS_DSIG_PREP_CONNECTED) { code = erts_dsig_send_demonitor(&dsd, - rmon->pid, + rmon->u.pid, mon->name, mon->ref, 1); @@ -13346,10 +13347,10 @@ static void doit_exit_monitor(ErtsMonitor *mon, void *vpcontext) erts_deref_dist_entry(dep); } } else { - ASSERT(is_pid(mon->pid) || is_port(mon->pid)); + ASSERT(is_pid(mon->u.pid) || is_port(mon->u.pid)); /* if is local by pid or name */ - if (is_internal_pid(mon->pid)) { - Process *rp = erts_pid2proc(NULL, 0, mon->pid, ERTS_PROC_LOCK_LINK); + if (is_internal_pid(mon->u.pid)) { + Process *rp = erts_pid2proc(NULL, 0, mon->u.pid, ERTS_PROC_LOCK_LINK); if (!rp) { goto done; } @@ -13359,9 +13360,9 @@ static void doit_exit_monitor(ErtsMonitor *mon, void *vpcontext) goto done; } erts_destroy_monitor(rmon); - } else if (is_internal_port(mon->pid)) { + } else if (is_internal_port(mon->u.pid)) { /* Is a local port */ - Port *prt = erts_port_lookup_raw(mon->pid); + Port *prt = erts_port_lookup_raw(mon->u.pid); if (!prt) { goto done; } @@ -13369,8 +13370,8 @@ static void doit_exit_monitor(ErtsMonitor *mon, void *vpcontext) ERTS_PORT_DEMONITOR_ORIGIN_ON_DEATHBED, prt, mon->ref, NULL); } else { /* remote by pid */ - ASSERT(is_external_pid(mon->pid)); - dep = external_pid_dist_entry(mon->pid); + ASSERT(is_external_pid(mon->u.pid)); + dep = external_pid_dist_entry(mon->u.pid); ASSERT(dep != NULL); if (dep) { erts_smp_de_links_lock(dep); @@ -13382,8 +13383,8 @@ static void doit_exit_monitor(ErtsMonitor *mon, void *vpcontext) ERTS_DSP_NO_LOCK, 0); if (code == ERTS_DSIG_PREP_CONNECTED) { code = erts_dsig_send_demonitor(&dsd, - rmon->pid, - mon->pid, + rmon->u.pid, + mon->u.pid, mon->ref, 1); ASSERT(code == ERTS_DSIG_SEND_OK); @@ -13395,22 +13396,21 @@ static void doit_exit_monitor(ErtsMonitor *mon, void *vpcontext) } break; case MON_TARGET: - ASSERT(mon->type == MON_TARGET); - ASSERT(is_pid(mon->pid) || is_internal_port(mon->pid)); - if (is_internal_port(mon->pid)) { - Port *prt = erts_id2port(mon->pid); + ASSERT(is_pid(mon->u.pid) || is_internal_port(mon->u.pid)); + if (is_internal_port(mon->u.pid)) { + Port *prt = erts_id2port(mon->u.pid); if (prt == NULL) { goto done; } erts_fire_port_monitor(prt, mon->ref); erts_port_release(prt); - } else if (is_internal_pid(mon->pid)) {/* local by name or pid */ + } else if (is_internal_pid(mon->u.pid)) {/* local by name or pid */ Eterm watched; Process *rp; DeclareTmpHeapNoproc(lhp,3); ErtsProcLocks rp_locks = (ERTS_PROC_LOCK_LINK | ERTS_PROC_LOCKS_MSG_SEND); - rp = erts_pid2proc(NULL, 0, mon->pid, rp_locks); + rp = erts_pid2proc(NULL, 0, mon->u.pid, rp_locks); if (rp == NULL) { goto done; } @@ -13429,8 +13429,8 @@ static void doit_exit_monitor(ErtsMonitor *mon, void *vpcontext) /* else: demonitor while we exited, i.e. do nothing... */ erts_smp_proc_unlock(rp, rp_locks); } else { /* external by pid or name */ - ASSERT(is_external_pid(mon->pid)); - dep = external_pid_dist_entry(mon->pid); + ASSERT(is_external_pid(mon->u.pid)); + dep = external_pid_dist_entry(mon->u.pid); ASSERT(dep != NULL); if (dep) { erts_smp_de_links_lock(dep); @@ -13442,10 +13442,10 @@ static void doit_exit_monitor(ErtsMonitor *mon, void *vpcontext) ERTS_DSP_NO_LOCK, 0); if (code == ERTS_DSIG_PREP_CONNECTED) { code = erts_dsig_send_m_exit(&dsd, - mon->pid, + mon->u.pid, (rmon->name != NIL ? rmon->name - : rmon->pid), + : rmon->u.pid), mon->ref, pcontext->reason); ASSERT(code == ERTS_DSIG_SEND_OK); @@ -13455,6 +13455,11 @@ static void doit_exit_monitor(ErtsMonitor *mon, void *vpcontext) } } break; + case MON_NIF_TARGET: + erts_fire_nif_monitor(mon->u.resource, + pcontext->p->common.id, + mon->ref); + break; case MON_TIME_OFFSET: erts_demonitor_time_offset(mon->ref); break; diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h index ce0989883c..8bf372dad5 100644 --- a/erts/emulator/beam/erl_process.h +++ b/erts/emulator/beam/erl_process.h @@ -958,9 +958,11 @@ struct process { Eterm* stop; /* Stack top */ Eterm* heap; /* Heap start */ Eterm* hend; /* Heap end */ + Eterm* abandoned_heap; Uint heap_sz; /* Size of heap in words */ Uint min_heap_size; /* Minimum size of heap (in words). */ Uint min_vheap_size; /* Minimum size of virtual heap (in words). */ + Uint max_heap_size; /* Maximum size of heap (in words). */ #if !defined(NO_FPE_SIGNALS) || defined(HIPE) volatile unsigned long fp_exception; @@ -973,16 +975,6 @@ struct process { #endif /* - * Moved to after "struct hipe_process_state hipe", as a temporary fix for - * LLVM hard-coding offsetof(struct process, hipe.nstack) (sic!) - * (see void X86FrameLowering::adjustForHiPEPrologue(...) in - * lib/Target/X86/X86FrameLowering.cpp). - * - * Used to be below "Eterm* hend". - */ - Eterm* abandoned_heap; - - /* * Saved x registers. */ Uint arity; /* Number of live argument registers (only valid @@ -1061,7 +1053,6 @@ struct process { Eterm *old_hend; /* Heap pointers for generational GC. */ Eterm *old_htop; Eterm *old_heap; - Uint max_heap_size; /* Maximum size of heap (in words). */ Uint16 gen_gcs; /* Number of (minor) generational GCs. */ Uint16 max_gen_gcs; /* Max minor gen GCs before fullsweep. */ ErlOffHeap off_heap; /* Off-heap data updated by copy_struct(). */ diff --git a/erts/emulator/beam/erl_process_dump.c b/erts/emulator/beam/erl_process_dump.c index 7c23b5c76a..77c7c5e73c 100644 --- a/erts/emulator/beam/erl_process_dump.c +++ b/erts/emulator/beam/erl_process_dump.c @@ -447,7 +447,7 @@ heap_dump(fmtfn_t to, void *to_arg, Eterm x) ProcBin* pb = (ProcBin *) binary_val(x); Binary* val = pb->val; - if (erts_smp_atomic_xchg_nob(&val->refc, 0) != 0) { + if (erts_atomic_xchg_nob(&val->refc, 0) != 0) { val->flags = (UWord) all_binaries; all_binaries = val; } diff --git a/erts/emulator/beam/erl_ptab.c b/erts/emulator/beam/erl_ptab.c index 22830a19c4..abf2fe44f3 100644 --- a/erts/emulator/beam/erl_ptab.c +++ b/erts/emulator/beam/erl_ptab.c @@ -474,7 +474,7 @@ erts_ptab_init_table(ErtsPTab *ptab, * we don't want to shrink the size to ERTS_PTAB_MAX_SIZE/2. * * In order to fix this, we insert a pointer from the table - * to the invalid_element, wich will be interpreted as a + * to the invalid_element, which will be interpreted as a * slot currently being modified. This way we will be able to * have ERTS_PTAB_MAX_SIZE-1 valid elements in the table while * still having a table size of the power of 2. @@ -733,7 +733,7 @@ erts_ptab_delete_element(ErtsPTab *ptab, * erts_ptab_list() implements BIFs listing the content of the table, * e.g. erlang:processes/0. */ -static void cleanup_ptab_list_bif_data(Binary *bp); +static int cleanup_ptab_list_bif_data(Binary *bp); static int ptab_list_bif_engine(Process *c_p, Eterm *res_accp, Binary *mbp); @@ -771,23 +771,23 @@ erts_ptab_list(Process *c_p, ErtsPTab *ptab) } else { Eterm *hp; - Eterm magic_bin; + Eterm magic_ref; ERTS_PTAB_LIST_DBG_CHK_RESLIST(res_acc); - hp = HAlloc(c_p, PROC_BIN_SIZE); - ERTS_PTAB_LIST_DBG_SAVE_HEAP_ALLOC(ptlbdp, hp, PROC_BIN_SIZE); - magic_bin = erts_mk_magic_binary_term(&hp, &MSO(c_p), mbp); + hp = HAlloc(c_p, ERTS_MAGIC_REF_THING_SIZE); + ERTS_PTAB_LIST_DBG_SAVE_HEAP_ALLOC(ptlbdp, hp, ERTS_MAGIC_REF_THING_SIZE); + magic_ref = erts_mk_magic_ref(&hp, &MSO(c_p), mbp); ERTS_PTAB_LIST_DBG_VERIFY_HEAP_ALLOC_USED(ptlbdp, hp); ERTS_PTAB_LIST_DBG_TRACE(c_p->common.id, trap); ERTS_BIF_PREP_YIELD2(ret_val, &ptab_list_continue_export, c_p, res_acc, - magic_bin); + magic_ref); } return ret_val; } -static void +static int cleanup_ptab_list_bif_data(Binary *bp) { ErtsPTabListBifData *ptlbdp = ERTS_MAGIC_BIN_DATA(bp); @@ -875,6 +875,8 @@ cleanup_ptab_list_bif_data(Binary *bp) ERTS_PTAB_LIST_DBG_TRACE(ptlbdp->debug.caller, return); ERTS_PTAB_LIST_DBG_CLEANUP(ptlbdp); + + return 1; } static int @@ -1287,9 +1289,7 @@ static BIF_RETTYPE ptab_list_continue(BIF_ALIST_2) res_acc = BIF_ARG_1; - ERTS_PTAB_LIST_ASSERT(ERTS_TERM_IS_MAGIC_BINARY(BIF_ARG_2)); - - mbp = ((ProcBin *) binary_val(BIF_ARG_2))->val; + mbp = erts_magic_ref2bin(BIF_ARG_2); ERTS_PTAB_LIST_ASSERT(ERTS_MAGIC_BIN_DESTRUCTOR(mbp) == cleanup_ptab_list_bif_data); diff --git a/erts/emulator/beam/erl_term.c b/erts/emulator/beam/erl_term.c index 7d857ad326..6b25728af7 100644 --- a/erts/emulator/beam/erl_term.c +++ b/erts/emulator/beam/erl_term.c @@ -59,6 +59,42 @@ erts_set_literal_tag(Eterm *term, Eterm *hp_start, Eterm hsz) #endif } +void +erts_term_init(void) +{ +#ifdef ERTS_ORDINARY_REF_MARKER + /* Ordinary and magic references of same size... */ + + ErtsRefThing ref_thing; + + ERTS_CT_ASSERT(ERTS_ORDINARY_REF_MARKER == ~((Uint32)0)); + ref_thing.m.header = ERTS_REF_THING_HEADER; + ref_thing.m.mb = (ErtsMagicBinary *) ~((UWord) 3); + ref_thing.m.next = (struct erl_off_heap_header *) ~((UWord) 3); + if (ref_thing.o.marker == ERTS_ORDINARY_REF_MARKER) + ERTS_INTERNAL_ERROR("Cannot differentiate between magic and ordinary references"); + + ERTS_CT_ASSERT(offsetof(ErtsORefThing,marker) != 0); + ERTS_CT_ASSERT(sizeof(ErtsORefThing) == sizeof(ErtsMRefThing)); +# ifdef ERTS_MAGIC_REF_THING_HEADER +# error Magic ref thing header should not have been defined... +# endif + +#else + /* Ordinary and magic references of different sizes... */ + +# ifndef ERTS_MAGIC_REF_THING_HEADER +# error Magic ref thing header should have been defined... +# endif + ERTS_CT_ASSERT(sizeof(ErtsORefThing) != sizeof(ErtsMRefThing)); + +#endif + + ERTS_CT_ASSERT(ERTS_REF_THING_SIZE*sizeof(Eterm) == sizeof(ErtsORefThing)); + ERTS_CT_ASSERT(ERTS_MAGIC_REF_THING_SIZE*sizeof(Eterm) == sizeof(ErtsMRefThing)); + +} + /* * XXX: define NUMBER_CODE() here when new representation is used */ @@ -95,8 +131,8 @@ ET_DEFINE_CHECKED(Eterm*,tuple_val,Wterm,is_tuple); ET_DEFINE_CHECKED(struct erl_node_*,internal_pid_node,Eterm,is_internal_pid); ET_DEFINE_CHECKED(struct erl_node_*,internal_port_node,Eterm,is_internal_port); ET_DEFINE_CHECKED(Eterm*,internal_ref_val,Wterm,is_internal_ref); -ET_DEFINE_CHECKED(Uint,internal_ref_data_words,Wterm,is_internal_ref); -ET_DEFINE_CHECKED(Uint32*,internal_ref_data,Wterm,is_internal_ref); +ET_DEFINE_CHECKED(Uint32*,internal_magic_ref_numbers,Wterm,is_internal_magic_ref); +ET_DEFINE_CHECKED(Uint32*,internal_ordinary_ref_numbers,Wterm,is_internal_ordinary_ref); ET_DEFINE_CHECKED(struct erl_node_*,internal_ref_node,Eterm,is_internal_ref); ET_DEFINE_CHECKED(Eterm*,external_val,Wterm,is_external); ET_DEFINE_CHECKED(Uint,external_data_words,Wterm,is_external); diff --git a/erts/emulator/beam/erl_term.h b/erts/emulator/beam/erl_term.h index c3234ee349..a602a8f7c6 100644 --- a/erts/emulator/beam/erl_term.h +++ b/erts/emulator/beam/erl_term.h @@ -23,6 +23,8 @@ #include "erl_mmap.h" +void erts_term_init(void); + typedef UWord Wterm; /* Full word terms */ struct erl_node_; /* Declared in erl_node_tables.h */ @@ -718,73 +720,224 @@ _ET_DECLARE_CHECKED(struct erl_node_*,internal_port_node,Eterm) #define ERTS_MAX_REF_NUMBERS 3 #define ERTS_REF_NUMBERS ERTS_MAX_REF_NUMBERS -#if defined(ARCH_64) -# define ERTS_REF_WORDS (ERTS_REF_NUMBERS/2 + 1) -# define ERTS_REF_32BIT_WORDS (ERTS_REF_NUMBERS+1) -#else -# define ERTS_REF_WORDS ERTS_REF_NUMBERS -# define ERTS_REF_32BIT_WORDS ERTS_REF_NUMBERS +#ifndef ERTS_ENDIANNESS +# error ERTS_ENDIANNESS not defined... #endif -typedef struct { - Eterm header; - union { - Uint32 ui32[ERTS_REF_32BIT_WORDS]; - Uint ui[ERTS_REF_WORDS]; - } data; -} RefThing; - -#define REF_THING_SIZE (sizeof(RefThing)/sizeof(Uint)) -#define REF_THING_HEAD_SIZE (sizeof(Eterm)/sizeof(Uint)) +#if ERTS_REF_NUMBERS != 3 +# error "A new reference layout for 64-bit needs to be implemented..." +#endif -#define make_ref_thing_header(DW) \ - _make_header((DW)+REF_THING_HEAD_SIZE-1,_TAG_HEADER_REF) +struct magic_binary; #if defined(ARCH_64) +# define ERTS_ORDINARY_REF_MARKER (~((Uint32) 0)) + +typedef struct { + Eterm header; +#if ERTS_ENDIANNESS <= 0 + Uint32 marker; +#endif + Uint32 num[ERTS_REF_NUMBERS]; +#if ERTS_ENDIANNESS > 0 + Uint32 marker; +#endif +} ErtsORefThing; + +typedef struct { + Eterm header; + struct magic_binary *mb; + struct erl_off_heap_header* next; +#if !ERTS_ENDIANNESS + Uint32 num[ERTS_REF_NUMBERS]; + Uint32 marker; +#endif +} ErtsMRefThing; + /* - * Ref layout on a 64-bit little endian machine: + * Ordinary ref layout on a 64-bit little endian machine: * * 63 31 0 * +--------------+--------------+ * | Thing word | * +--------------+--------------+ - * | Data 0 | 32-bit arity | + * | Data 0 | 0xffffffff | * +--------------+--------------+ * | Data 2 | Data 1 | * +--------------+--------------+ * - * Data is stored as an Uint32 array with 32-bit arity as first number. + * Ordinary ref layout on a 64-bit big endian machine: + * + * 63 31 0 + * +--------------+--------------+ + * | Thing word | + * +--------------+--------------+ + * | Data 0 | Data 1 | + * +--------------+--------------+ + * | Data 2 | 0xffffffff | + * +--------------+--------------+ + * + * Magic Ref layout on a 64-bit machine: + * + * 63 31 0 + * +--------------+--------------+ + * | Thing word | + * +--------------+--------------+ + * | Magic Binary Pointer | + * +--------------+--------------+ + * | Next Off Heap Pointer | + * +--------------+--------------+ + * + * Both pointers in the magic ref are 64-bit aligned. That is, + * least significant bits are zero. The marker 32-bit word is + * placed over the least significant bits of one of the pointers. + * That is, we can distinguish between magic and ordinary ref + * by looking at the marker field. + * */ #define write_ref_thing(Hp, R0, R1, R2) \ do { \ - ((RefThing *) (Hp))->header = make_ref_thing_header(ERTS_REF_WORDS); \ - ((RefThing *) (Hp))->data.ui32[0] = ERTS_REF_NUMBERS; \ - ((RefThing *) (Hp))->data.ui32[1] = (R0); \ - ((RefThing *) (Hp))->data.ui32[2] = (R1); \ - ((RefThing *) (Hp))->data.ui32[3] = (R2); \ + ((ErtsORefThing *) (Hp))->header = ERTS_REF_THING_HEADER; \ + ((ErtsORefThing *) (Hp))->marker = ERTS_ORDINARY_REF_MARKER; \ + ((ErtsORefThing *) (Hp))->num[0] = (R0); \ + ((ErtsORefThing *) (Hp))->num[1] = (R1); \ + ((ErtsORefThing *) (Hp))->num[2] = (R2); \ } while (0) -#else +#if ERTS_ENDIANNESS +/* Known big or little endian */ + +#define write_magic_ref_thing(Hp, Ohp, Binp) \ +do { \ + ((ErtsMRefThing *) (Hp))->header = ERTS_REF_THING_HEADER; \ + ((ErtsMRefThing *) (Hp))->mb = (Binp); \ + ((ErtsMRefThing *) (Hp))->next = (Ohp)->first; \ + (Ohp)->first = (struct erl_off_heap_header*) (Hp); \ + ASSERT(erts_is_ref_numbers_magic((Binp)->refn)); \ +} while (0) + +#else /* !ERTS_ENDIANNESS */ + +#define write_magic_ref_thing(Hp, Ohp, Binp) \ +do { \ + ((ErtsMRefThing *) (Hp))->header = ERTS_MAGIC_REF_THING_HEADER; \ + ((ErtsMRefThing *) (Hp))->mb = (Binp); \ + ((ErtsMRefThing *) (Hp))->next = (Ohp)->first; \ + (Ohp)->first = (struct erl_off_heap_header*) (Hp); \ + ((ErtsMRefThing *) (Hp))->marker = 0; \ + ((ErtsMRefThing *) (Hp))->num[0] = (Binp)->refn[0]; \ + ((ErtsMRefThing *) (Hp))->num[1] = (Binp)->refn[1]; \ + ((ErtsMRefThing *) (Hp))->num[2] = (Binp)->refn[2]; \ + ASSERT(erts_is_ref_numbers_magic((Binp)->refn)); \ +} while (0) + +#endif /* !ERTS_ENDIANNESS */ + +#else /* ARCH_32 */ + +typedef struct { + Eterm header; + Uint32 num[ERTS_REF_NUMBERS]; +} ErtsORefThing; + +typedef struct { + Eterm header; + struct magic_binary *mb; + struct erl_off_heap_header* next; +} ErtsMRefThing; + #define write_ref_thing(Hp, R0, R1, R2) \ do { \ - ((RefThing *) (Hp))->header = make_ref_thing_header(ERTS_REF_WORDS); \ - ((RefThing *) (Hp))->data.ui32[0] = (R0); \ - ((RefThing *) (Hp))->data.ui32[1] = (R1); \ - ((RefThing *) (Hp))->data.ui32[2] = (R2); \ + ((ErtsORefThing *) (Hp))->header = ERTS_REF_THING_HEADER; \ + ((ErtsORefThing *) (Hp))->num[0] = (R0); \ + ((ErtsORefThing *) (Hp))->num[1] = (R1); \ + ((ErtsORefThing *) (Hp))->num[2] = (R2); \ } while (0) +#define write_magic_ref_thing(Hp, Ohp, Binp) \ +do { \ + ((ErtsMRefThing *) (Hp))->header = ERTS_MAGIC_REF_THING_HEADER; \ + ((ErtsMRefThing *) (Hp))->mb = (Binp); \ + ((ErtsMRefThing *) (Hp))->next = (Ohp)->first; \ + (Ohp)->first = (struct erl_off_heap_header*) (Hp); \ + ASSERT(erts_is_ref_numbers_magic(&(Binp)->refn)); \ +} while (0) + +#endif /* ARCH_32 */ + +typedef union { + ErtsMRefThing m; + ErtsORefThing o; +} ErtsRefThing; + +#define ERTS_REF_THING_SIZE (sizeof(ErtsORefThing)/sizeof(Uint)) +#define ERTS_MAGIC_REF_THING_SIZE (sizeof(ErtsMRefThing)/sizeof(Uint)) +#define ERTS_MAX_INTERNAL_REF_SIZE (sizeof(ErtsRefThing)/sizeof(Uint)) + +#define make_ref_thing_header(Words) \ + _make_header((Words)-1,_TAG_HEADER_REF) + +#define ERTS_REF_THING_HEADER _make_header(ERTS_REF_THING_SIZE-1,_TAG_HEADER_REF) + +#if defined(ARCH_64) && ERTS_ENDIANNESS /* All internal refs of same size... */ + +# undef ERTS_MAGIC_REF_THING_HEADER + +# define is_ref_thing_header(x) ((x) == ERTS_REF_THING_HEADER) + +#define is_ordinary_ref_thing(x) \ + (ASSERT(is_ref_thing_header(*((Eterm *)(x)))), \ + ((ErtsRefThing *) (x))->o.marker == ERTS_ORDINARY_REF_MARKER) + +#define is_magic_ref_thing(x) \ + (!is_ordinary_ref_thing((x))) + +#define is_internal_magic_ref(x) \ + ((_unchecked_is_boxed((x)) && *boxed_val((x)) == ERTS_REF_THING_HEADER) \ + && is_magic_ref_thing(boxed_val((x)))) + +#define is_internal_ordinary_ref(x) \ + ((_unchecked_is_boxed((x)) && *boxed_val((x)) == ERTS_REF_THING_HEADER) \ + && is_ordinary_ref_thing(boxed_val((x)))) + +#else /* Ordinary and magic references of different sizes... */ + +# define ERTS_MAGIC_REF_THING_HEADER \ + _make_header(ERTS_MAGIC_REF_THING_SIZE-1,_TAG_HEADER_REF) + +# define is_ref_thing_header(x) \ + (((x) & _TAG_HEADER_MASK) == _TAG_HEADER_REF) + +#define is_ordinary_ref_thing(x) \ + (ASSERT(is_ref_thing_header(*((Eterm *)(x)))), \ + *((Eterm *)(x)) == ERTS_REF_THING_HEADER) + +#define is_magic_ref_thing(x) \ + (ASSERT(is_ref_thing_header(*((Eterm *)(x)))), \ + *((Eterm *)(x)) == ERTS_MAGIC_REF_THING_HEADER) + +#define is_internal_magic_ref(x) \ + (_unchecked_is_boxed((x)) && *boxed_val((x)) == ERTS_MAGIC_REF_THING_HEADER) + +#define is_internal_ordinary_ref(x) \ + (_unchecked_is_boxed((x)) && *boxed_val((x)) == ERTS_REF_THING_HEADER) + #endif -#define is_ref_thing_header(x) (((x) & _TAG_HEADER_MASK) == _TAG_HEADER_REF) #define make_internal_ref(x) make_boxed((Eterm*)(x)) -#define _unchecked_ref_thing_ptr(x) \ - ((RefThing*) _unchecked_internal_ref_val(x)) -#define ref_thing_ptr(x) \ - ((RefThing*) internal_ref_val(x)) +#define _unchecked_ordinary_ref_thing_ptr(x) \ + ((ErtsORefThing*) _unchecked_internal_ref_val(x)) +#define ordinary_ref_thing_ptr(x) \ + ((ErtsORefThing*) internal_ref_val(x)) + +#define _unchecked_magic_ref_thing_ptr(x) \ + ((ErtsMRefThing*) _unchecked_internal_ref_val(x)) +#define magic_ref_thing_ptr(x) \ + ((ErtsMRefThing*) internal_ref_val(x)) #define is_internal_ref(x) \ (_unchecked_is_boxed((x)) && is_ref_thing_header(*boxed_val((x)))) @@ -796,16 +949,21 @@ do { \ _ET_DECLARE_CHECKED(Eterm*,internal_ref_val,Wterm) #define internal_ref_val(x) _ET_APPLY(internal_ref_val,(x)) -#define internal_thing_ref_data_words(t) (thing_arityval(*(Eterm*)(t))) -#define _unchecked_internal_ref_data_words(x) \ - (_unchecked_thing_arityval(*_unchecked_internal_ref_val(x))) -_ET_DECLARE_CHECKED(Uint,internal_ref_data_words,Wterm) -#define internal_ref_data_words(x) _ET_APPLY(internal_ref_data_words,(x)) +#define internal_ordinary_thing_ref_numbers(ort) (((ErtsORefThing *)(ort))->num) +#define _unchecked_internal_ordinary_ref_numbers(x) (internal_ordinary_thing_ref_numbers(_unchecked_ordinary_ref_thing_ptr(x))) +_ET_DECLARE_CHECKED(Uint32*,internal_ordinary_ref_numbers,Wterm) +#define internal_ordinary_ref_numbers(x) _ET_APPLY(internal_ordinary_ref_numbers,(x)) + +#if defined(ARCH_64) && !ERTS_ENDIANNESS +#define internal_magic_thing_ref_numbers(mrt) (((ErtsMRefThing *)(mrt))->num) +#else +#define internal_magic_thing_ref_numbers(mrt) (((ErtsMRefThing *)(mrt))->mb->refn) +#endif + +#define _unchecked_internal_magic_ref_numbers(x) (internal_magic_thing_ref_numbers(_unchecked_magic_ref_thing_ptr(x))) +_ET_DECLARE_CHECKED(Uint32*,internal_magic_ref_numbers,Wterm) +#define internal_magic_ref_numbers(x) _ET_APPLY(internal_magic_ref_numbers,(x)) -#define internal_thing_ref_data(thing) ((thing)->data.ui32) -#define _unchecked_internal_ref_data(x) (internal_thing_ref_data(_unchecked_ref_thing_ptr(x))) -_ET_DECLARE_CHECKED(Uint32*,internal_ref_data,Wterm) -#define internal_ref_data(x) _ET_APPLY(internal_ref_data,(x)) #define _unchecked_internal_ref_node(x) erts_this_node _ET_DECLARE_CHECKED(struct erl_node_*,internal_ref_node,Eterm) diff --git a/erts/emulator/beam/erl_time_sup.c b/erts/emulator/beam/erl_time_sup.c index 6aa2a7500f..cf9d3adc86 100644 --- a/erts/emulator/beam/erl_time_sup.c +++ b/erts/emulator/beam/erl_time_sup.c @@ -1502,7 +1502,7 @@ static time_t gregday(int year, int month, int day) pyear = gyear - 1; ndays = (pyear/4) - (pyear/100) + (pyear/400) + pyear*365 + 366; } - /* number of days in all months preceeding month */ + /* number of days in all months preceding month */ for (m = 1; m < month; m++) ndays += mdays[m]; /* Extra day if leap year and March or later */ @@ -1831,7 +1831,10 @@ erts_demonitor_time_offset(Eterm ref) ErtsMonitor *mon; ASSERT(is_internal_ref(ref)); erts_smp_mtx_lock(&erts_get_time_mtx); - mon = erts_remove_monitor(&time_offset_monitors, ref); + if (is_internal_ordinary_ref(ref)) + mon = erts_remove_monitor(&time_offset_monitors, ref); + else + mon = NULL; if (!mon) res = 0; else { @@ -1848,7 +1851,7 @@ erts_demonitor_time_offset(Eterm ref) typedef struct { Eterm pid; Eterm ref; - Eterm heap[REF_THING_SIZE]; + Eterm heap[ERTS_REF_THING_SIZE]; } ErtsTimeOffsetMonitorInfo; typedef struct { @@ -1866,14 +1869,14 @@ save_time_offset_monitor(ErtsMonitor *mon, void *vcntxt) cntxt = (ErtsTimeOffsetMonitorContext *) vcntxt; mix = (cntxt->ix)++; - cntxt->to_mon_info[mix].pid = mon->pid; + cntxt->to_mon_info[mix].pid = mon->u.pid; to_hp = &cntxt->to_mon_info[mix].heap[0]; - ASSERT(is_internal_ref(mon->ref)); + ASSERT(is_internal_ordinary_ref(mon->ref)); from_hp = internal_ref_val(mon->ref); - ASSERT(thing_arityval(*from_hp) + 1 == REF_THING_SIZE); + ASSERT(thing_arityval(*from_hp) + 1 == ERTS_REF_THING_SIZE); - for (hix = 0; hix < REF_THING_SIZE; hix++) + for (hix = 0; hix < ERTS_REF_THING_SIZE; hix++) to_hp[hix] = from_hp[hix]; cntxt->to_mon_info[mix].ref @@ -1933,7 +1936,7 @@ send_time_offset_changed_notifications(void *new_offsetp) hp = (Eterm *) (tmp + no_monitors*sizeof(ErtsTimeOffsetMonitorInfo)); hsz = 6; /* 5-tuple */ - hsz += REF_THING_SIZE; + hsz += ERTS_REF_THING_SIZE; hsz += ERTS_SINT64_HEAP_SIZE(new_offset); if (IS_SSMALL(new_offset)) diff --git a/erts/emulator/beam/erl_unicode.c b/erts/emulator/beam/erl_unicode.c index bd5e1482fb..01629db9ad 100644 --- a/erts/emulator/beam/erl_unicode.c +++ b/erts/emulator/beam/erl_unicode.c @@ -123,19 +123,16 @@ static void cleanup_restart_context(RestartContext *rc) } } -static void cleanup_restart_context_bin(Binary *bp) +static int cleanup_restart_context_bin(Binary *bp) { RestartContext *rc = ERTS_MAGIC_BIN_DATA(bp); cleanup_restart_context(rc); + return 1; } -static RestartContext *get_rc_from_bin(Eterm bin) +static RestartContext *get_rc_from_bin(Eterm mref) { - Binary *mbp; - ASSERT(ERTS_TERM_IS_MAGIC_BINARY(bin)); - - mbp = ((ProcBin *) binary_val(bin))->val; - + Binary *mbp = erts_magic_ref2bin(mref); ASSERT(ERTS_MAGIC_BIN_DESTRUCTOR(mbp) == cleanup_restart_context_bin); return (RestartContext *) ERTS_MAGIC_BIN_DATA(mbp); @@ -148,8 +145,8 @@ static Eterm make_magic_bin_for_restart(Process *p, RestartContext *rc) RestartContext *restartp = ERTS_MAGIC_BIN_DATA(mbp); Eterm *hp; memcpy(restartp,rc,sizeof(RestartContext)); - hp = HAlloc(p, PROC_BIN_SIZE); - return erts_mk_magic_binary_term(&hp, &MSO(p), mbp); + hp = HAlloc(p, ERTS_MAGIC_REF_THING_SIZE); + return erts_mk_magic_ref(&hp, &MSO(p), mbp); } @@ -1890,74 +1887,57 @@ binary_to_atom(Process* proc, Eterm bin, Eterm enc, int must_exist) byte* bytes; byte *temp_alloc = NULL; Uint bin_size; + Eterm a; if ((bytes = erts_get_aligned_binary_bytes(bin, &temp_alloc)) == 0) { BIF_ERROR(proc, BADARG); } bin_size = binary_size(bin); + if (enc == am_latin1) { - Eterm a; - if (bin_size > MAX_ATOM_CHARACTERS) { - system_limit: - erts_free_aligned_binary_bytes(temp_alloc); - BIF_ERROR(proc, SYSTEM_LIMIT); - } if (!must_exist) { - a = erts_atom_put((byte *) bytes, - bin_size, - ERTS_ATOM_ENC_LATIN1, - 0); - erts_free_aligned_binary_bytes(temp_alloc); - if (is_non_value(a)) - goto badarg; - BIF_RET(a); - } else if (erts_atom_get((char *)bytes, bin_size, &a, ERTS_ATOM_ENC_LATIN1)) { - erts_free_aligned_binary_bytes(temp_alloc); - BIF_RET(a); - } else { + int lix = erts_atom_put_index((byte *) bytes, + bin_size, + ERTS_ATOM_ENC_LATIN1, + 0); + if (lix == ATOM_BAD_ENCODING_ERROR) { + badarg: + erts_free_aligned_binary_bytes(temp_alloc); + BIF_ERROR(proc, BADARG); + } else if (lix == ATOM_MAX_CHARS_ERROR) { + system_limit: + erts_free_aligned_binary_bytes(temp_alloc); + BIF_ERROR(proc, SYSTEM_LIMIT); + } + + a = make_atom(lix); + } else if (!erts_atom_get((char *)bytes, bin_size, &a, ERTS_ATOM_ENC_LATIN1)) { goto badarg; } - } else if (enc == am_utf8 || enc == am_unicode) { - Eterm res; - Uint num_chars = 0; - const byte* p = bytes; - Uint left = bin_size; - while (left) { - if (++num_chars > MAX_ATOM_CHARACTERS) { + } else if (enc == am_utf8 || enc == am_unicode) { + if (!must_exist) { + int uix = erts_atom_put_index((byte *) bytes, + bin_size, + ERTS_ATOM_ENC_UTF8, + 0); + if (uix == ATOM_BAD_ENCODING_ERROR) { + goto badarg; + } else if (uix == ATOM_MAX_CHARS_ERROR) { goto system_limit; } - if ((p[0] & 0x80) == 0) { - ++p; - --left; - } - else if (left >= 2 - && (p[0] & 0xFE) == 0xC2 /* only allow latin1 subset */ - && (p[1] & 0xC0) == 0x80) { - p += 2; - left -= 2; - } - else goto badarg; - } - if (!must_exist) { - res = erts_atom_put((byte *) bytes, - bin_size, - ERTS_ATOM_ENC_UTF8, - 0); + a = make_atom(uix); } - else if (!erts_atom_get((char*)bytes, bin_size, &res, ERTS_ATOM_ENC_UTF8)) { + else if (!erts_atom_get((char*)bytes, bin_size, &a, ERTS_ATOM_ENC_UTF8)) { goto badarg; } - erts_free_aligned_binary_bytes(temp_alloc); - if (is_non_value(res)) - goto badarg; - BIF_RET(res); } else { - badarg: - erts_free_aligned_binary_bytes(temp_alloc); - BIF_ERROR(proc, BADARG); + goto badarg; } + + erts_free_aligned_binary_bytes(temp_alloc); + BIF_RET(a); } BIF_RETTYPE binary_to_atom_2(BIF_ALIST_2) diff --git a/erts/emulator/beam/erl_vm.h b/erts/emulator/beam/erl_vm.h index d88cafc5bf..5366ee3644 100644 --- a/erts/emulator/beam/erl_vm.h +++ b/erts/emulator/beam/erl_vm.h @@ -110,8 +110,21 @@ #define HeapWordsLeft(p) (HEAP_LIMIT(p) - HEAP_TOP(p)) #if defined(DEBUG) || defined(CHECK_FOR_HOLES) -# define ERTS_HOLE_MARKER (((0xdeadbeef << 24) << 8) | 0xdeadbeef) -#endif /* egil: 32-bit ? */ + +/* + * ERTS_HOLE_MARKER must *not* be mistaken for a valid term + * on the heap... + */ +# ifdef ARCH_64 +# define ERTS_HOLE_MARKER \ + make_catch(UWORD_CONSTANT(0xdeadbeaf00000000) >> _TAG_IMMED2_SIZE) +/* Will (at the time of writing) appear as 0xdeadbeaf0000001b */ +# else +# define ERTS_HOLE_MARKER \ + make_catch(UWORD_CONSTANT(0xdead0000) >> _TAG_IMMED2_SIZE) +/* Will (at the time of writing) appear as 0xdead001b */ +# endif +#endif /* * Allocate heap memory on the ordinary heap, NEVER in a heap diff --git a/erts/emulator/beam/external.c b/erts/emulator/beam/external.c index 10e452fa25..205a7711ec 100644 --- a/erts/emulator/beam/external.c +++ b/erts/emulator/beam/external.c @@ -616,7 +616,7 @@ erts_make_dist_ext_copy(ErtsDistExternal *edep, Uint xsize) sys_memcpy((void *) ep, (void *) edep, dist_ext_sz); ep += dist_ext_sz; if (new_edep->dep) - erts_refc_inc(&new_edep->dep->refc, 1); + erts_smp_refc_inc(&new_edep->dep->refc, 1); new_edep->extp = ep; new_edep->ext_endp = ep + ext_sz; new_edep->heap_size = -1; @@ -1079,7 +1079,7 @@ static BIF_RETTYPE term_to_binary_trap_1(BIF_ALIST_1) Eterm *tp = tuple_val(BIF_ARG_1); Eterm Term = tp[1]; Eterm bt = tp[2]; - Binary *bin = ((ProcBin *) binary_val(bt))->val; + Binary *bin = erts_magic_ref2bin(bt); Eterm res = erts_term_to_binary_int(BIF_P, Term, 0, 0,bin); if (is_tuple(res)) { ASSERT(BIF_P->flags & F_DISABLE_GC); @@ -1222,6 +1222,7 @@ typedef struct B2TContext_t { } u; } B2TContext; +static B2TContext* b2t_export_context(Process*, B2TContext* src); static uLongf binary2term_uncomp_size(byte* data, Sint size) { @@ -1254,7 +1255,7 @@ static uLongf binary2term_uncomp_size(byte* data, Sint size) static ERTS_INLINE int binary2term_prepare(ErtsBinary2TermState *state, byte *data, Sint data_size, - B2TContext* ctx) + B2TContext** ctxp, Process* p) { byte *bytes = data; Sint size = data_size; @@ -1268,8 +1269,8 @@ binary2term_prepare(ErtsBinary2TermState *state, byte *data, Sint data_size, size--; if (size < 5 || *bytes != COMPRESSED) { state->extp = bytes; - if (ctx) - ctx->state = B2TSizeInit; + if (ctxp) + (*ctxp)->state = B2TSizeInit; } else { uLongf dest_len = (Uint32) get_int32(bytes+1); @@ -1286,16 +1287,26 @@ binary2term_prepare(ErtsBinary2TermState *state, byte *data, Sint data_size, return -1; } state->extp = erts_alloc(ERTS_ALC_T_EXT_TERM_DATA, dest_len); - ctx->reds -= dest_len; + if (ctxp) + (*ctxp)->reds -= dest_len; } state->exttmp = 1; - if (ctx) { + if (ctxp) { + /* + * Start decompression by exporting trap context + * so we don't have to deal with deep-copying z_stream. + */ + B2TContext* ctx = b2t_export_context(p, *ctxp); + ASSERT(state = &(*ctxp)->b2ts); + state = &ctx->b2ts; + if (erl_zlib_inflate_start(&ctx->u.uc.stream, bytes, size) != Z_OK) return -1; ctx->u.uc.dbytes = state->extp; ctx->u.uc.dleft = dest_len; ctx->state = B2TUncompressChunk; + *ctxp = ctx; } else { uLongf dlen = dest_len; @@ -1339,7 +1350,7 @@ erts_binary2term_prepare(ErtsBinary2TermState *state, byte *data, Sint data_size { Sint res; - if (binary2term_prepare(state, data, data_size, NULL) < 0 || + if (binary2term_prepare(state, data, data_size, NULL, NULL) < 0 || (res=decoded_size(state->extp, state->extp + state->extsize, 0, NULL)) < 0) { if (state->exttmp) @@ -1387,17 +1398,18 @@ static void b2t_destroy_context(B2TContext* context) } } -static void b2t_context_destructor(Binary *context_bin) +static int b2t_context_destructor(Binary *context_bin) { B2TContext* ctx = (B2TContext*) ERTS_MAGIC_BIN_DATA(context_bin); ASSERT(ERTS_MAGIC_BIN_DESTRUCTOR(context_bin) == b2t_context_destructor); b2t_destroy_context(ctx); + return 1; } static BIF_RETTYPE binary_to_term_trap_1(BIF_ALIST_1) { - Binary *context_bin = ((ProcBin *) binary_val(BIF_ARG_1))->val; + Binary *context_bin = erts_magic_ref2bin(BIF_ARG_1); ASSERT(ERTS_MAGIC_BIN_DESTRUCTOR(context_bin) == b2t_context_destructor); return binary_to_term_int(BIF_P, 0, THE_NON_VALUE, context_bin, NULL, @@ -1431,8 +1443,8 @@ static B2TContext* b2t_export_context(Process* p, B2TContext* src) if (ctx->state >= B2TDecode && ctx->u.dc.next == &src->u.dc.res) { ctx->u.dc.next = &ctx->u.dc.res; } - hp = HAlloc(p, PROC_BIN_SIZE); - ctx->trap_bin = erts_mk_magic_binary_term(&hp, &MSO(p), context_b); + hp = HAlloc(p, ERTS_MAGIC_REF_THING_SIZE); + ctx->trap_bin = erts_mk_magic_ref(&hp, &MSO(p), context_b); return ctx; } @@ -1485,7 +1497,7 @@ static BIF_RETTYPE binary_to_term_int(Process* p, Uint32 flags, Eterm bin, Binar if (ctx->aligned_alloc) { ctx->reds -= bin_size / 8; } - if (binary2term_prepare(&ctx->b2ts, bytes, bin_size, ctx) < 0) { + if (binary2term_prepare(&ctx->b2ts, bytes, bin_size, &ctx, p) < 0) { ctx->state = B2TBadArg; } break; @@ -1797,7 +1809,7 @@ erts_term_to_binary(Process* p, Eterm Term, int level, Uint flags) { #endif #define TERM_TO_BINARY_MEMCPY_FACTOR 8 -static void ttb_context_destructor(Binary *context_bin) +static int ttb_context_destructor(Binary *context_bin) { TTBContext *context = ERTS_MAGIC_BIN_DATA(context_bin); if (context->alive) { @@ -1831,6 +1843,7 @@ static void ttb_context_destructor(Binary *context_bin) break; } } + return 1; } static Eterm erts_term_to_binary_int(Process* p, Eterm Term, int level, Uint flags, @@ -1860,8 +1873,8 @@ static Eterm erts_term_to_binary_int(Process* p, Eterm Term, int level, Uint fla #define RETURN_STATE() \ do { \ - hp = HAlloc(p, PROC_BIN_SIZE+3); \ - c_term = erts_mk_magic_binary_term(&hp, &MSO(p), context_b); \ + hp = HAlloc(p, ERTS_MAGIC_REF_THING_SIZE+3); \ + c_term = erts_mk_magic_ref(&hp, &MSO(p), context_b); \ res = TUPLE2(hp, Term, c_term); \ BUMP_ALL_REDS(p); \ return res; \ @@ -2568,7 +2581,9 @@ enc_term_int(TTBEncodeContext* ctx, ErtsAtomCacheMap *acmp, Eterm obj, byte* ep, ASSERT(dflags & DFLAG_EXTENDED_REFERENCES); - i = ref_no_of_numbers(obj); + erts_magic_ref_save_bin(obj); + + i = ref_no_numbers(obj); put_int16(i, ep); ep += 2; ep = enc_atom(acmp, sysname, ep, dflags); @@ -3424,26 +3439,35 @@ dec_term_atom_common: r0 = get_int32(ep); /* allow full word */ ep += 4; - ref_ext_common: + ref_ext_common: { + ErtsORefThing *rtp; + if (ref_words > ERTS_MAX_REF_NUMBERS) goto error; node = dec_get_node(sysname, cre); if(node == erts_this_node) { - RefThing *rtp = (RefThing *) hp; - ref_num = (Uint32 *) (hp + REF_THING_HEAD_SIZE); + + rtp = (ErtsORefThing *) hp; + ref_num = &rtp->num[0]; + if (ref_words != ERTS_REF_NUMBERS) { + int i; + if (ref_words > ERTS_REF_NUMBERS) + goto error; /* Not a ref that we created... */ + for (i = ref_words; i < ERTS_REF_NUMBERS; i++) + ref_num[i] = 0; + } -#if defined(ARCH_64) - hp += REF_THING_HEAD_SIZE + ref_words/2 + 1; - rtp->header = make_ref_thing_header(ref_words/2 + 1); -#else - hp += REF_THING_HEAD_SIZE + ref_words; - rtp->header = make_ref_thing_header(ref_words); +#ifdef ERTS_ORDINARY_REF_MARKER + rtp->marker = ERTS_ORDINARY_REF_MARKER; #endif + hp += ERTS_REF_THING_SIZE; + rtp->header = ERTS_REF_THING_HEADER; *objp = make_internal_ref(rtp); } else { ExternalThing *etp = (ExternalThing *) hp; + rtp = NULL; #if defined(ARCH_64) hp += EXTERNAL_THING_HEAD_SIZE + ref_words/2 + 1; #else @@ -3461,12 +3485,13 @@ dec_term_atom_common: factory->off_heap->first = (struct erl_off_heap_header*)etp; *objp = make_external_ref(etp); ref_num = &(etp->data.ui32[0]); - } - #if defined(ARCH_64) - *(ref_num++) = ref_words /* 32-bit arity */; + *(ref_num++) = ref_words /* 32-bit arity */; #endif + } + ref_num[0] = r0; + for(i = 1; i < ref_words; i++) { ref_num[i] = get_int32(ep); ep += 4; @@ -3475,8 +3500,26 @@ dec_term_atom_common: if ((1 + ref_words) % 2) ref_num[ref_words] = 0; #endif + if (node == erts_this_node) { + /* Check if it was a magic reference... */ + ErtsMagicBinary *mb = erts_magic_ref_lookup_bin(ref_num); + if (mb) { + /* + * Was a magic ref; adjust it... + * + * Refc on binary was increased by lookup above... + */ + ASSERT(rtp); + hp = (Eterm *) rtp; + write_magic_ref_thing(hp, factory->off_heap, mb); + OH_OVERHEAD(factory->off_heap, + mb->orig_size / sizeof(Eterm)); + hp += ERTS_MAGIC_REF_THING_SIZE; + } + } break; } + } case BINARY_EXT: { n = get_int32(ep); @@ -4098,7 +4141,7 @@ encode_size_struct_int(TTBSizeContext* ctx, ErtsAtomCacheMap *acmp, Eterm obj, /*fall through*/ case REF_DEF: ASSERT(dflags & DFLAG_EXTENDED_REFERENCES); - i = ref_no_of_numbers(obj); + i = ref_no_numbers(obj); result += (1 + 2 + encode_size_struct2(acmp, ref_node_name(obj), dflags) + 1 + 4*i); break; diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h index c39ac2f7ec..c4c848f49f 100644 --- a/erts/emulator/beam/global.h +++ b/erts/emulator/beam/global.h @@ -42,6 +42,10 @@ #include "erl_utils.h" #include "erl_port.h" #include "erl_gc.h" +#include "erl_nif.h" +#define ERTS_BINARY_TYPES_ONLY__ +#include "erl_binary.h" +#undef ERTS_BINARY_TYPES_ONLY__ struct enif_func_t; @@ -65,9 +69,54 @@ struct enif_environment_t /* ErlNifEnv */ int dbg_disable_assert_in_env; #endif }; +struct enif_resource_type_t +{ + struct enif_resource_type_t* next; /* list of all resource types */ + struct enif_resource_type_t* prev; + struct erl_module_nif* owner; /* that created this type and thus implements the destructor*/ + ErlNifResourceDtor* dtor; /* user destructor function */ + ErlNifResourceStop* stop; + ErlNifResourceDown* down; + erts_refc_t refc; /* num of resources of this type (HOTSPOT warning) + +1 for active erl_module_nif */ + Eterm module; + Eterm name; +}; + +typedef struct +{ + erts_smp_mtx_t lock; + ErtsMonitor* root; + int pending_failed_fire; + int is_dying; + + size_t user_data_sz; +} ErtsResourceMonitors; + +typedef struct ErtsResource_ +{ + struct enif_resource_type_t* type; + ErtsResourceMonitors* monitors; +#ifdef DEBUG + erts_refc_t nif_refc; +#else +# ifdef ARCH_32 + byte align__[4]; +# endif +#endif + char data[1]; +}ErtsResource; + +#define DATA_TO_RESOURCE(PTR) ErtsContainerStruct(PTR, ErtsResource, data) +#define erts_resource_ref_size(P) ERTS_MAGIC_REF_THING_SIZE + +extern Eterm erts_bld_resource_ref(Eterm** hp, ErlOffHeap*, ErtsResource*); + extern void erts_pre_nif(struct enif_environment_t*, Process*, struct erl_module_nif*, Process* tracee); extern void erts_post_nif(struct enif_environment_t* env); +extern void erts_resource_stop(ErtsResource*, ErlNifEvent, int is_direct_call); +void erts_fire_nif_monitor(ErtsResource*, Eterm pid, Eterm ref); extern Eterm erts_nif_taints(Process* p); extern void erts_print_nif_taints(fmtfn_t to, void* to_arg); void erts_unload_nif(struct erl_module_nif* nif); @@ -126,7 +175,7 @@ typedef struct de_proc_entry { PROC_AWAIT_LOAD == Wants to be notified when we reloaded the driver (old was locked) */ Uint flags; /* ERL_FL_DE_DEREFERENCED when reload in progress */ - Eterm heap[REF_THING_SIZE]; /* "ref heap" */ + Eterm heap[ERTS_REF_THING_SIZE]; /* "ref heap" */ struct de_proc_entry *next; } DE_ProcEntry; @@ -134,7 +183,7 @@ typedef struct { void *handle; /* Handle for DLL or SO (for dyn. drivers). */ DE_ProcEntry *procs; /* List of pids that have loaded this driver, or that wait for it to change state */ - erts_refc_t refc; /* Number of ports/processes having + erts_smp_refc_t refc; /* Number of ports/processes having references to the driver */ erts_smp_atomic32_t port_count; /* Number of ports using the driver */ Uint flags; /* ERL_DE_FL_KILL_PORTS */ @@ -214,118 +263,6 @@ extern Eterm erts_ddll_monitor_driver(Process *p, ErtsProcLocks plocks); /* -** Just like the driver binary but with initial flags -** Note that the two structures Binary and ErlDrvBinary HAVE to -** be equal except for extra fields in the beginning of the struct. -** ErlDrvBinary is defined in erl_driver.h. -** When driver_alloc_binary is called, a Binary is allocated, but -** the pointer returned is to the address of the first element that -** also occurs in the ErlDrvBinary struct (driver.*binary takes care if this). -** The driver need never know about additions to the internal Binary of the -** emulator. One should however NEVER be sloppy when mixing ErlDrvBinary -** and Binary, the macros below can convert one type to the other, as they both -** in reality are equal. -*/ - -#ifdef ARCH_32 - /* *DO NOT USE* only for alignment. */ -#define ERTS_BINARY_STRUCT_ALIGNMENT Uint32 align__; -#else -#define ERTS_BINARY_STRUCT_ALIGNMENT -#endif - -/* Add fields in ERTS_INTERNAL_BINARY_FIELDS, otherwise the drivers crash */ -#define ERTS_INTERNAL_BINARY_FIELDS \ - UWord flags; \ - erts_refc_t refc; \ - ERTS_BINARY_STRUCT_ALIGNMENT - -typedef struct binary { - ERTS_INTERNAL_BINARY_FIELDS - SWord orig_size; - char orig_bytes[1]; /* to be continued */ -} Binary; - -#define ERTS_SIZEOF_Binary(Sz) \ - (offsetof(Binary,orig_bytes) + (Sz)) - -typedef struct { - ERTS_INTERNAL_BINARY_FIELDS - SWord orig_size; - void (*destructor)(Binary *); - union { - struct { - ERTS_BINARY_STRUCT_ALIGNMENT - char data[1]; - } aligned; - struct { - char data[1]; - } unaligned; - } u; -} ErtsMagicBinary; - -#ifdef ARCH_32 -#define ERTS_MAGIC_BIN_BYTES_TO_ALIGN 4 -#else -#define ERTS_MAGIC_BIN_BYTES_TO_ALIGN 0 -#endif - -typedef union { - Binary binary; - ErtsMagicBinary magic_binary; - struct { - ERTS_INTERNAL_BINARY_FIELDS - ErlDrvBinary binary; - } driver; -} ErtsBinary; - -/* - * 'Binary' alignment: - * Address of orig_bytes[0] of a Binary should always be 8-byte aligned. - * It is assumed that the flags, refc, and orig_size fields are 4 bytes on - * 32-bits architectures and 8 bytes on 64-bits architectures. - */ - -#define ERTS_MAGIC_BIN_DESTRUCTOR(BP) \ - ((ErtsBinary *) (BP))->magic_binary.destructor -#define ERTS_MAGIC_BIN_DATA(BP) \ - ((void *) ((ErtsBinary *) (BP))->magic_binary.u.aligned.data) -#define ERTS_MAGIC_DATA_OFFSET \ - (offsetof(ErtsMagicBinary,u.aligned.data) - offsetof(Binary,orig_bytes)) -#define ERTS_MAGIC_BIN_ORIG_SIZE(Sz) \ - (ERTS_MAGIC_DATA_OFFSET + (Sz)) -#define ERTS_MAGIC_BIN_SIZE(Sz) \ - (offsetof(ErtsMagicBinary,u.aligned.data) + (Sz)) - -/* On 32-bit arch these macro variants will save memory - by not forcing 8-byte alignment for the magic payload. -*/ -#define ERTS_MAGIC_BIN_UNALIGNED_DATA(BP) \ - ((void *) ((ErtsBinary *) (BP))->magic_binary.u.unaligned.data) -#define ERTS_MAGIC_UNALIGNED_DATA_OFFSET \ - (offsetof(ErtsMagicBinary,u.unaligned.data) - offsetof(Binary,orig_bytes)) -#define ERTS_MAGIC_BIN_UNALIGNED_DATA_SIZE(BP) \ - ((BP)->orig_size - ERTS_MAGIC_UNALIGNED_DATA_OFFSET) -#define ERTS_MAGIC_BIN_UNALIGNED_ORIG_SIZE(Sz) \ - (ERTS_MAGIC_UNALIGNED_DATA_OFFSET + (Sz)) -#define ERTS_MAGIC_BIN_UNALIGNED_SIZE(Sz) \ - (offsetof(ErtsMagicBinary,u.unaligned.data) + (Sz)) -#define ERTS_MAGIC_BIN_FROM_UNALIGNED_DATA(DATA) \ - ((ErtsBinary*)((char*)(DATA) - offsetof(ErtsMagicBinary,u.unaligned.data))) - - -#define Binary2ErlDrvBinary(B) (&((ErtsBinary *) (B))->driver.binary) -#define ErlDrvBinary2Binary(D) ((Binary *) \ - (((char *) (D)) \ - - offsetof(ErtsBinary, driver.binary))) - -/* A "magic" binary flag */ -#define BIN_FLAG_MAGIC 1 -#define BIN_FLAG_USR1 2 /* Reserved for use by different modules too mark */ -#define BIN_FLAG_USR2 4 /* certain binaries as special (used by ets) */ -#define BIN_FLAG_DRV 8 - -/* * This structure represents one type of a binary in a process. */ @@ -346,46 +283,12 @@ typedef struct proc_bin { */ #define PROC_BIN_SIZE (sizeof(ProcBin)/sizeof(Eterm)) -ERTS_GLB_INLINE Eterm erts_mk_magic_binary_term(Eterm **hpp, - ErlOffHeap *ohp, - Binary *mbp); - -#if ERTS_GLB_INLINE_INCL_FUNC_DEF - -ERTS_GLB_INLINE Eterm -erts_mk_magic_binary_term(Eterm **hpp, ErlOffHeap *ohp, Binary *mbp) -{ - ProcBin *pb = (ProcBin *) *hpp; - *hpp += PROC_BIN_SIZE; - - ASSERT(mbp->flags & BIN_FLAG_MAGIC); - - pb->thing_word = HEADER_PROC_BIN; - pb->size = 0; - pb->next = ohp->first; - ohp->first = (struct erl_off_heap_header*) pb; - pb->val = mbp; - pb->bytes = (byte *) mbp->orig_bytes; - pb->flags = 0; - - erts_refc_inc(&mbp->refc, 1); - - return make_binary(pb); -} - -#endif - -#define ERTS_TERM_IS_MAGIC_BINARY(T) \ - (is_binary((T)) \ - && (thing_subtag(*binary_val((T))) == REFC_BINARY_SUBTAG) \ - && (((ProcBin *) binary_val((T)))->val->flags & BIN_FLAG_MAGIC)) - - union erl_off_heap_ptr { struct erl_off_heap_header* hdr; ProcBin *pb; struct erl_fun_thing* fun; struct external_thing_* ext; + ErtsMRefThing *mref; Eterm* ep; void* voidp; }; @@ -978,21 +881,6 @@ void erts_bif_info_init(void); /* bif.c */ -ERTS_GLB_INLINE Eterm -erts_proc_store_ref(Process *c_p, Uint32 ref[ERTS_MAX_REF_NUMBERS]); - -#if ERTS_GLB_INLINE_INCL_FUNC_DEF - -ERTS_GLB_INLINE Eterm -erts_proc_store_ref(Process *c_p, Uint32 ref[ERTS_MAX_REF_NUMBERS]) -{ - Eterm *hp = HAlloc(c_p, REF_THING_SIZE); - write_ref_thing(hp, ref[0], ref[1], ref[2]); - return make_internal_ref(hp); -} - -#endif - void erts_queue_monitor_message(Process *, ErtsProcLocks*, Eterm, @@ -1077,6 +965,9 @@ void print_process_info(fmtfn_t, void *, Process*); void info(fmtfn_t, void *); void loaded(fmtfn_t, void *); +/* sighandler sys.c */ +int erts_set_signal(Eterm signal, Eterm type); + /* erl_arith.c */ double erts_get_positive_zero_float(void); @@ -1284,6 +1175,8 @@ void erts_stale_drv_select(Eterm, ErlDrvPort, ErlDrvEvent, int, int); Port *erts_get_heart_port(void); void erts_emergency_close_ports(void); +void erts_ref_to_driver_monitor(Eterm ref, ErlDrvMonitor *mon); +Eterm erts_driver_monitor_to_ref(Eterm* hp, const ErlDrvMonitor *mon); #if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_COUNT) void erts_lcnt_enable_io_lock_count(int enable); @@ -1380,6 +1273,7 @@ int erts_utf8_to_latin1(byte* dest, const byte* source, int slen); void bin_write(fmtfn_t, void*, byte*, size_t); Sint intlist_to_buf(Eterm, char*, Sint); /* most callers pass plain char*'s */ +Sint erts_unicode_list_to_buf(Eterm list, byte *buf, Sint len); struct Sint_buf { #if defined(ARCH_64) diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c index 33b74f30b7..ddff862607 100644 --- a/erts/emulator/beam/io.c +++ b/erts/emulator/beam/io.c @@ -1445,7 +1445,7 @@ finalize_force_imm_drv_call(ErtsTryImmDrvCallState *sp) erts_unblock_fpe(sp->fpe_was_unmasked); } -#define ERTS_QUEUE_PORT_SCHED_OP_REPLY_SIZE (REF_THING_SIZE + 3) +#define ERTS_QUEUE_PORT_SCHED_OP_REPLY_SIZE (ERTS_REF_THING_SIZE + 3) static ERTS_INLINE void queue_port_sched_op_reply(Process *rp, @@ -1460,7 +1460,7 @@ queue_port_sched_op_reply(Process *rp, ref= make_internal_ref(hp); write_ref_thing(hp, ref_num[0], ref_num[1], ref_num[2]); - hp += REF_THING_SIZE; + hp += ERTS_REF_THING_SIZE; msg = TUPLE2(hp, ref, msg); @@ -3099,7 +3099,7 @@ port_monitor(Port *prt, erts_aint32_t state, Eterm origin, ASSERT(is_pid(origin)); ASSERT(is_atom(name) || is_port(name) || name == NIL); - ASSERT(is_internal_ref(ref)); + ASSERT(is_internal_ordinary_ref(ref)); if (!(state & ERTS_PORT_SFLGS_INVALID_LOOKUP)) { ErtsProcLocks p_locks = ERTS_PROC_LOCK_LINK; @@ -3124,7 +3124,7 @@ static int port_sig_monitor(Port *prt, erts_aint32_t state, int op, ErtsProc2PortSigData *sigdp) { - Eterm hp[REF_THING_SIZE]; + Eterm hp[ERTS_REF_THING_SIZE]; Eterm ref = make_internal_ref(&hp); write_ref_thing(hp, sigdp->ref[0], sigdp->ref[1], sigdp->ref[2]); @@ -3245,7 +3245,7 @@ static int port_sig_demonitor(Port *prt, erts_aint32_t state, int op, ErtsProc2PortSigData *sigdp) { - Eterm hp[REF_THING_SIZE]; + Eterm hp[ERTS_REF_THING_SIZE]; Eterm ref = make_internal_ref(&hp); write_ref_thing(hp, sigdp->u.demonitor.ref[0], sigdp->u.demonitor.ref[1], @@ -3302,10 +3302,10 @@ ErtsPortOpResult erts_port_demonitor(Process *origin, ErtsDemonitorMode mode, sigdp->u.demonitor.origin = origin->common.id; sigdp->u.demonitor.name = target->common.id; { - RefThing *reft = ref_thing_ptr(ref); + Uint32 *nums = internal_ref_numbers(ref); /* Start from 1 skip ref arity */ sys_memcpy(sigdp->u.demonitor.ref, - internal_thing_ref_numbers(reft), + nums, sizeof(sigdp->u.demonitor.ref)); } @@ -3431,7 +3431,7 @@ void erts_init_io(int port_tab_size, NULL, (ErtsPTabElementCommon *) &erts_invalid_port.common, port_tab_size, - common_element_size, /* Doesn't need to be excact */ + common_element_size, /* Doesn't need to be exact */ "port_table", legacy_port_tab, 1); @@ -4192,8 +4192,8 @@ static void sweep_one_monitor(ErtsMonitor *mon, void *vpsc) ErtsMonitor *rmon; Process *rp; - ASSERT(is_internal_pid(mon->pid)); - rp = erts_pid2proc(NULL, 0, mon->pid, ERTS_PROC_LOCK_LINK); + ASSERT(is_internal_pid(mon->u.pid)); + rp = erts_pid2proc(NULL, 0, mon->u.pid, ERTS_PROC_LOCK_LINK); if (!rp) { goto done; } @@ -4294,7 +4294,7 @@ port_fire_one_monitor(ErtsMonitor *mon, void *ctx0) Process *origin; ErtsProcLocks origin_locks; - if (mon->type != MON_TARGET || ! is_pid(mon->pid)) { + if (mon->type != MON_TARGET || ! is_pid(mon->u.pid)) { return; } /* @@ -4303,7 +4303,7 @@ port_fire_one_monitor(ErtsMonitor *mon, void *ctx0) */ origin_locks = ERTS_PROC_LOCKS_MSG_SEND | ERTS_PROC_LOCK_LINK; - origin = erts_pid2proc(NULL, 0, mon->pid, origin_locks); + origin = erts_pid2proc(NULL, 0, mon->u.pid, origin_locks); if (origin) { DeclareTmpHeapNoproc(lhp,3); SweepContext *ctx = (SweepContext *)ctx0; @@ -4882,10 +4882,24 @@ erts_port_control(Process* c_p, ASSERT(!tmp_alloced); if (*ebinp == HEADER_SUB_BIN) ebinp = binary_val(((ErlSubBin *) ebinp)->orig); + if (*ebinp != HEADER_PROC_BIN) copy = 1; else { - binp = ((ProcBin *) ebinp)->val; + ProcBin *pb = (ProcBin *) ebinp; + int offset = bufp - pb->val->orig_bytes; + + ASSERT(pb->val->orig_bytes <= bufp + && bufp + size <= pb->val->orig_bytes + pb->val->orig_size); + + if (pb->flags) { + erts_emasculate_writable_binary(pb); + + /* The procbin may have been reallocated, so update bufp */ + bufp = pb->val->orig_bytes + offset; + } + + binp = pb->val; ASSERT(bufp <= bufp + size); ASSERT(binp->orig_bytes <= bufp && bufp + size <= binp->orig_bytes + binp->orig_size); @@ -5413,7 +5427,7 @@ reply_io_bytes(void *vreq) rp_locks = ERTS_PROC_LOCK_MAIN; } - hsz = 5 /* 4-tuple */ + REF_THING_SIZE; + hsz = 5 /* 4-tuple */ + ERTS_REF_THING_SIZE; erts_bld_uint64(NULL, &hsz, in); erts_bld_uint64(NULL, &hsz, out); @@ -5422,7 +5436,7 @@ reply_io_bytes(void *vreq) ref = make_internal_ref(hp); write_ref_thing(hp, req->refn[0], req->refn[1], req->refn[2]); - hp += REF_THING_SIZE; + hp += ERTS_REF_THING_SIZE; ein = erts_bld_uint64(&hp, NULL, in); eout = erts_bld_uint64(&hp, NULL, out); @@ -5451,7 +5465,7 @@ erts_request_io_bytes(Process *c_p) ErtsIOBytesReq *req = erts_alloc(ERTS_ALC_T_IOB_REQ, sizeof(ErtsIOBytesReq)); - hp = HAlloc(c_p, REF_THING_SIZE); + hp = HAlloc(c_p, ERTS_REF_THING_SIZE); ref = erts_sched_make_ref_in_buffer(esdp, hp); refn = internal_ref_numbers(ref); @@ -5485,7 +5499,7 @@ typedef struct { static void prt_one_monitor(ErtsMonitor *mon, void *vprtd) { prt_one_lnk_data *prtd = (prt_one_lnk_data *) vprtd; - erts_print(prtd->to, prtd->arg, "(%T,%T)", mon->pid,mon->ref); + erts_print(prtd->to, prtd->arg, "(%T,%T)", mon->u.pid, mon->ref); } static void prt_one_lnk(ErtsLink *lnk, void *vprtd) @@ -6888,12 +6902,6 @@ ErlDrvSizeT driver_vec_to_buf(ErlIOVec *vec, char *buf, ErlDrvSizeT len) return (orig_len - len); } - -/* - * - driver_alloc_binary() is thread safe (efile driver depend on it). - * - driver_realloc_binary(), and driver_free_binary() are *not* thread safe. - */ - /* * reference count on driver binaries... */ @@ -6936,26 +6944,15 @@ driver_alloc_binary(ErlDrvSizeT size) return Binary2ErlDrvBinary(bin); } -/* Reallocate space hold by binary */ +/* Reallocate space held by binary */ ErlDrvBinary* driver_realloc_binary(ErlDrvBinary* bin, ErlDrvSizeT size) { Binary* oldbin; Binary* newbin; - if (!bin) { - erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf(); - erts_dsprintf(dsbufp, - "Bad use of driver_realloc_binary(%p, %lu): " - "called with ", - bin, (unsigned long)size); - if (!bin) { - erts_dsprintf(dsbufp, "NULL pointer as first argument"); - } - erts_send_warning_to_logger_nogl(dsbufp); - if (!bin) - return driver_alloc_binary(size); - } + if (!bin) + return driver_alloc_binary(size); oldbin = ErlDrvBinary2Binary(bin); newbin = (Binary *) erts_bin_realloc_fnf(oldbin, size); @@ -6969,14 +6966,8 @@ ErlDrvBinary* driver_realloc_binary(ErlDrvBinary* bin, ErlDrvSizeT size) void driver_free_binary(ErlDrvBinary* dbin) { Binary *bin; - if (!dbin) { - erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf(); - erts_dsprintf(dsbufp, - "Bad use of driver_free_binary(%p): called with " - "NULL pointer as argument", dbin); - erts_send_warning_to_logger_nogl(dsbufp); + if (!dbin) return; - } bin = ErlDrvBinary2Binary(dbin); if (erts_refc_dectest(&bin->refc, 0) == 0) @@ -7630,22 +7621,29 @@ erl_drv_convert_time_unit(ErlDrvTime val, (int) to); } -static void ref_to_driver_monitor(Eterm ref, ErlDrvMonitor *mon) +void erts_ref_to_driver_monitor(Eterm ref, ErlDrvMonitor *mon) { - RefThing *refp; - ASSERT(is_internal_ref(ref)); - ERTS_CT_ASSERT(sizeof(RefThing) <= sizeof(ErlDrvMonitor)); - refp = ref_thing_ptr(ref); - memset(mon,0,sizeof(ErlDrvMonitor)); - memcpy(mon,refp,sizeof(RefThing)); + ERTS_CT_ASSERT(ERTS_REF_THING_SIZE*sizeof(Uint) <= sizeof(ErlDrvMonitor)); + ASSERT(is_internal_ordinary_ref(ref)); + sys_memcpy((void *) mon, (void *) internal_ref_val(ref), + ERTS_REF_THING_SIZE*sizeof(Uint)); } +Eterm erts_driver_monitor_to_ref(Eterm *hp, const ErlDrvMonitor *mon) +{ + Eterm ref; + ERTS_CT_ASSERT(ERTS_REF_THING_SIZE*sizeof(Uint) <= sizeof(ErlDrvMonitor)); + sys_memcpy((void *) hp, (void *) mon, ERTS_REF_THING_SIZE*sizeof(Uint)); + ref = make_internal_ref(hp); + ASSERT(is_internal_ordinary_ref(ref)); + return ref; +} static int do_driver_monitor_process(Port *prt, - Eterm *buf, ErlDrvTermData process, ErlDrvMonitor *monitor) { + Eterm buf[ERTS_REF_THING_SIZE]; Process *rp; Eterm ref; @@ -7664,7 +7662,7 @@ static int do_driver_monitor_process(Port *prt, erts_add_monitor(&ERTS_P_MONITORS(rp), MON_TARGET, ref, prt->common.id, NIL); erts_smp_proc_unlock(rp, ERTS_PROC_LOCK_LINK); - ref_to_driver_monitor(ref,monitor); + erts_ref_to_driver_monitor(ref,monitor); return 0; } @@ -7688,32 +7686,27 @@ int driver_monitor_process(ErlDrvPort drvport, /* Now (in SMP) we should have either the port lock (if we have a scheduler) or the port data lock (if we're a driver thread) */ ERTS_SMP_LC_ASSERT((sched != NULL || prt->port_data_lock)); - { - DeclareTmpHeapNoproc(buf,REF_THING_SIZE); - UseTmpHeapNoproc(REF_THING_SIZE); - ret = do_driver_monitor_process(prt,buf,process,monitor); - UnUseTmpHeapNoproc(REF_THING_SIZE); - } + ret = do_driver_monitor_process(prt,process,monitor); DRV_MONITOR_UNLOCK_PDL(prt); return ret; } -static int do_driver_demonitor_process(Port *prt, Eterm *buf, - const ErlDrvMonitor *monitor) +static int do_driver_demonitor_process(Port *prt, const ErlDrvMonitor *monitor) { + Eterm heap[ERTS_REF_THING_SIZE]; Process *rp; Eterm ref; ErtsMonitor *mon; Eterm to; - memcpy(buf,monitor,sizeof(Eterm)*REF_THING_SIZE); - ref = make_internal_ref(buf); + ref = erts_driver_monitor_to_ref(heap, monitor); + mon = erts_lookup_monitor(ERTS_P_MONITORS(prt), ref); if (mon == NULL) { return 1; } ASSERT(mon->type == MON_ORIGIN); - to = mon->pid; + to = mon->u.pid; ASSERT(is_internal_pid(to)); rp = erts_pid2proc_opt(NULL, 0, @@ -7751,31 +7744,26 @@ int driver_demonitor_process(ErlDrvPort drvport, /* Now we should have either the port lock (if we have a scheduler) or the port data lock (if we're a driver thread) */ ERTS_SMP_LC_ASSERT((sched != NULL || prt->port_data_lock)); - { - DeclareTmpHeapNoproc(buf,REF_THING_SIZE); - UseTmpHeapNoproc(REF_THING_SIZE); - ret = do_driver_demonitor_process(prt,buf,monitor); - UnUseTmpHeapNoproc(REF_THING_SIZE); - } + ret = do_driver_demonitor_process(prt,monitor); DRV_MONITOR_UNLOCK_PDL(prt); return ret; } -static ErlDrvTermData do_driver_get_monitored_process(Port *prt, Eterm *buf, - const ErlDrvMonitor *monitor) +static ErlDrvTermData do_driver_get_monitored_process(Port *prt,const ErlDrvMonitor *monitor) { Eterm ref; ErtsMonitor *mon; Eterm to; + Eterm heap[ERTS_REF_THING_SIZE]; + + ref = erts_driver_monitor_to_ref(heap, monitor); - memcpy(buf,monitor,sizeof(Eterm)*REF_THING_SIZE); - ref = make_internal_ref(buf); mon = erts_lookup_monitor(ERTS_P_MONITORS(prt), ref); if (mon == NULL) { return driver_term_nil; } ASSERT(mon->type == MON_ORIGIN); - to = mon->pid; + to = mon->u.pid; ASSERT(is_internal_pid(to)); return (ErlDrvTermData) to; } @@ -7797,21 +7785,16 @@ ErlDrvTermData driver_get_monitored_process(ErlDrvPort drvport, /* Now we should have either the port lock (if we have a scheduler) or the port data lock (if we're a driver thread) */ ERTS_SMP_LC_ASSERT((sched != NULL || prt->port_data_lock)); - { - DeclareTmpHeapNoproc(buf,REF_THING_SIZE); - UseTmpHeapNoproc(REF_THING_SIZE); - ret = do_driver_get_monitored_process(prt,buf,monitor); - UnUseTmpHeapNoproc(REF_THING_SIZE); - } + ret = do_driver_get_monitored_process(prt,monitor); DRV_MONITOR_UNLOCK_PDL(prt); return ret; } - int driver_compare_monitors(const ErlDrvMonitor *monitor1, const ErlDrvMonitor *monitor2) { - return memcmp(monitor1,monitor2,sizeof(ErlDrvMonitor)); + return sys_memcmp((void *) monitor1, (void *) monitor2, + ERTS_REF_THING_SIZE*sizeof(Eterm)); } void erts_fire_port_monitor(Port *prt, Eterm ref) @@ -7831,7 +7814,7 @@ void erts_fire_port_monitor(Port *prt, Eterm ref) } callback = prt->drv_ptr->process_exit; ASSERT(callback != NULL); - ref_to_driver_monitor(ref,&drv_monitor); + erts_ref_to_driver_monitor(ref,&drv_monitor); ERTS_MSACC_SET_STATE_CACHED_M(ERTS_MSACC_STATE_PORT); DRV_MONITOR_UNLOCK_PDL(prt); #ifdef USE_VM_PROBES diff --git a/erts/emulator/beam/register.c b/erts/emulator/beam/register.c index acda51c9fc..7f60710124 100644 --- a/erts/emulator/beam/register.c +++ b/erts/emulator/beam/register.c @@ -272,13 +272,13 @@ erts_whereis_name_to_id(Process *c_p, Eterm name) int ix; HashBucket* b; #ifdef ERTS_SMP - ErtsProcLocks c_p_locks = c_p ? ERTS_PROC_LOCK_MAIN : 0; - -#ifdef ERTS_ENABLE_LOCK_CHECK - if (c_p) ERTS_SMP_CHK_HAVE_ONLY_MAIN_PROC_LOCK(c_p); -#endif - + ErtsProcLocks c_p_locks = 0; + if (c_p) { + c_p_locks = ERTS_PROC_LOCK_MAIN; + ERTS_SMP_CHK_HAVE_ONLY_MAIN_PROC_LOCK(c_p); + } reg_safe_read_lock(c_p, &c_p_locks); + if (c_p && !c_p_locks) erts_smp_proc_lock(c_p, ERTS_PROC_LOCK_MAIN); #endif diff --git a/erts/emulator/beam/sys.h b/erts/emulator/beam/sys.h index 14b8a5950d..c6ea8049c3 100644 --- a/erts/emulator/beam/sys.h +++ b/erts/emulator/beam/sys.h @@ -487,20 +487,6 @@ extern volatile int erts_break_requested; void erts_do_break_handling(void); #endif -#ifdef ERTS_WANT_GOT_SIGUSR1 -# ifndef UNIX -# define ERTS_GOT_SIGUSR1 0 -# else -# ifdef ERTS_SMP -extern erts_smp_atomic32_t erts_got_sigusr1; -# define ERTS_GOT_SIGUSR1 ((int) erts_smp_atomic32_read_mb(&erts_got_sigusr1)) -# else -extern volatile int erts_got_sigusr1; -# define ERTS_GOT_SIGUSR1 erts_got_sigusr1 -# endif -# endif -#endif - #ifdef ERTS_SMP extern erts_smp_atomic32_t erts_writing_erl_crash_dump; extern erts_tsd_key_t erts_is_crash_dumping_key; @@ -903,10 +889,13 @@ void sys_alloc_stat(SysAllocStat *); #define ERTS_REFC_DEBUG #endif -typedef erts_smp_atomic_t erts_refc_t; +typedef erts_atomic_t erts_refc_t; ERTS_GLB_INLINE void erts_refc_init(erts_refc_t *refcp, erts_aint_t val); ERTS_GLB_INLINE void erts_refc_inc(erts_refc_t *refcp, erts_aint_t min_val); +ERTS_GLB_INLINE erts_aint_t erts_refc_inc_unless(erts_refc_t *refcp, + erts_aint_t unless_val, + erts_aint_t min_val); ERTS_GLB_INLINE erts_aint_t erts_refc_inctest(erts_refc_t *refcp, erts_aint_t min_val); ERTS_GLB_INLINE void erts_refc_dec(erts_refc_t *refcp, erts_aint_t min_val); @@ -922,27 +911,51 @@ ERTS_GLB_INLINE erts_aint_t erts_refc_read(erts_refc_t *refcp, ERTS_GLB_INLINE void erts_refc_init(erts_refc_t *refcp, erts_aint_t val) { - erts_smp_atomic_init_nob((erts_smp_atomic_t *) refcp, val); + erts_atomic_init_nob((erts_atomic_t *) refcp, val); } ERTS_GLB_INLINE void erts_refc_inc(erts_refc_t *refcp, erts_aint_t min_val) { #ifdef ERTS_REFC_DEBUG - erts_aint_t val = erts_smp_atomic_inc_read_nob((erts_smp_atomic_t *) refcp); + erts_aint_t val = erts_atomic_inc_read_nob((erts_atomic_t *) refcp); if (val < min_val) erts_exit(ERTS_ABORT_EXIT, "erts_refc_inc(): Bad refc found (refc=%ld < %ld)!\n", val, min_val); #else - erts_smp_atomic_inc_nob((erts_smp_atomic_t *) refcp); + erts_atomic_inc_nob((erts_atomic_t *) refcp); #endif } ERTS_GLB_INLINE erts_aint_t +erts_refc_inc_unless(erts_refc_t *refcp, + erts_aint_t unless_val, + erts_aint_t min_val) +{ + erts_aint_t val = erts_atomic_read_nob((erts_atomic_t *) refcp); + while (1) { + erts_aint_t exp, new; +#ifdef ERTS_REFC_DEBUG + if (val < 0) + erts_exit(ERTS_ABORT_EXIT, + "erts_refc_inc_unless(): Bad refc found (refc=%ld < %ld)!\n", + val, min_val); +#endif + if (val == unless_val) + return val; + new = val + 1; + exp = val; + val = erts_atomic_cmpxchg_nob((erts_atomic_t *) refcp, new, exp); + if (val == exp) + return new; + } +} + +ERTS_GLB_INLINE erts_aint_t erts_refc_inctest(erts_refc_t *refcp, erts_aint_t min_val) { - erts_aint_t val = erts_smp_atomic_inc_read_nob((erts_smp_atomic_t *) refcp); + erts_aint_t val = erts_atomic_inc_read_nob((erts_atomic_t *) refcp); #ifdef ERTS_REFC_DEBUG if (val < min_val) erts_exit(ERTS_ABORT_EXIT, @@ -956,20 +969,20 @@ ERTS_GLB_INLINE void erts_refc_dec(erts_refc_t *refcp, erts_aint_t min_val) { #ifdef ERTS_REFC_DEBUG - erts_aint_t val = erts_smp_atomic_dec_read_nob((erts_smp_atomic_t *) refcp); + erts_aint_t val = erts_atomic_dec_read_nob((erts_atomic_t *) refcp); if (val < min_val) erts_exit(ERTS_ABORT_EXIT, "erts_refc_dec(): Bad refc found (refc=%ld < %ld)!\n", val, min_val); #else - erts_smp_atomic_dec_nob((erts_smp_atomic_t *) refcp); + erts_atomic_dec_nob((erts_atomic_t *) refcp); #endif } ERTS_GLB_INLINE erts_aint_t erts_refc_dectest(erts_refc_t *refcp, erts_aint_t min_val) { - erts_aint_t val = erts_smp_atomic_dec_read_nob((erts_smp_atomic_t *) refcp); + erts_aint_t val = erts_atomic_dec_read_nob((erts_atomic_t *) refcp); #ifdef ERTS_REFC_DEBUG if (val < min_val) erts_exit(ERTS_ABORT_EXIT, @@ -983,20 +996,20 @@ ERTS_GLB_INLINE void erts_refc_add(erts_refc_t *refcp, erts_aint_t diff, erts_aint_t min_val) { #ifdef ERTS_REFC_DEBUG - erts_aint_t val = erts_smp_atomic_add_read_nob((erts_smp_atomic_t *) refcp, diff); + erts_aint_t val = erts_atomic_add_read_nob((erts_atomic_t *) refcp, diff); if (val < min_val) erts_exit(ERTS_ABORT_EXIT, "erts_refc_add(%ld): Bad refc found (refc=%ld < %ld)!\n", diff, val, min_val); #else - erts_smp_atomic_add_nob((erts_smp_atomic_t *) refcp, diff); + erts_atomic_add_nob((erts_atomic_t *) refcp, diff); #endif } ERTS_GLB_INLINE erts_aint_t erts_refc_read(erts_refc_t *refcp, erts_aint_t min_val) { - erts_aint_t val = erts_smp_atomic_read_nob((erts_smp_atomic_t *) refcp); + erts_aint_t val = erts_atomic_read_nob((erts_atomic_t *) refcp); #ifdef ERTS_REFC_DEBUG if (val < min_val) erts_exit(ERTS_ABORT_EXIT, @@ -1008,6 +1021,140 @@ erts_refc_read(erts_refc_t *refcp, erts_aint_t min_val) #endif /* #if ERTS_GLB_INLINE_INCL_FUNC_DEF */ +typedef erts_smp_atomic_t erts_smp_refc_t; + +ERTS_GLB_INLINE void erts_smp_refc_init(erts_smp_refc_t *refcp, erts_aint_t val); +ERTS_GLB_INLINE void erts_smp_refc_inc(erts_smp_refc_t *refcp, erts_aint_t min_val); +ERTS_GLB_INLINE erts_aint_t erts_smp_refc_inc_unless(erts_smp_refc_t *refcp, + erts_aint_t unless_val, + erts_aint_t min_val); +ERTS_GLB_INLINE erts_aint_t erts_smp_refc_inctest(erts_smp_refc_t *refcp, + erts_aint_t min_val); +ERTS_GLB_INLINE void erts_smp_refc_dec(erts_smp_refc_t *refcp, erts_aint_t min_val); +ERTS_GLB_INLINE erts_aint_t erts_smp_refc_dectest(erts_smp_refc_t *refcp, + erts_aint_t min_val); +ERTS_GLB_INLINE void erts_smp_refc_add(erts_smp_refc_t *refcp, erts_aint_t diff, + erts_aint_t min_val); +ERTS_GLB_INLINE erts_aint_t erts_smp_refc_read(erts_smp_refc_t *refcp, + erts_aint_t min_val); + +#if ERTS_GLB_INLINE_INCL_FUNC_DEF + +ERTS_GLB_INLINE void +erts_smp_refc_init(erts_smp_refc_t *refcp, erts_aint_t val) +{ + erts_smp_atomic_init_nob((erts_smp_atomic_t *) refcp, val); +} + +ERTS_GLB_INLINE void +erts_smp_refc_inc(erts_smp_refc_t *refcp, erts_aint_t min_val) +{ +#ifdef ERTS_REFC_DEBUG + erts_aint_t val = erts_smp_atomic_inc_read_nob((erts_smp_atomic_t *) refcp); + if (val < min_val) + erts_exit(ERTS_ABORT_EXIT, + "erts_smp_refc_inc(): Bad refc found (refc=%ld < %ld)!\n", + val, min_val); +#else + erts_smp_atomic_inc_nob((erts_smp_atomic_t *) refcp); +#endif +} + +ERTS_GLB_INLINE erts_aint_t +erts_smp_refc_inc_unless(erts_smp_refc_t *refcp, + erts_aint_t unless_val, + erts_aint_t min_val) +{ + erts_aint_t val = erts_smp_atomic_read_nob((erts_smp_atomic_t *) refcp); + while (1) { + erts_aint_t exp, new; +#ifdef ERTS_REFC_DEBUG + if (val < 0) + erts_exit(ERTS_ABORT_EXIT, + "erts_smp_refc_inc_unless(): Bad refc found (refc=%ld < %ld)!\n", + val, min_val); +#endif + if (val == unless_val) + return val; + new = val + 1; + exp = val; + val = erts_smp_atomic_cmpxchg_nob((erts_smp_atomic_t *) refcp, new, exp); + if (val == exp) + return new; + } +} + + +ERTS_GLB_INLINE erts_aint_t +erts_smp_refc_inctest(erts_smp_refc_t *refcp, erts_aint_t min_val) +{ + erts_aint_t val = erts_smp_atomic_inc_read_nob((erts_smp_atomic_t *) refcp); +#ifdef ERTS_REFC_DEBUG + if (val < min_val) + erts_exit(ERTS_ABORT_EXIT, + "erts_smp_refc_inctest(): Bad refc found (refc=%ld < %ld)!\n", + val, min_val); +#endif + return val; +} + +ERTS_GLB_INLINE void +erts_smp_refc_dec(erts_smp_refc_t *refcp, erts_aint_t min_val) +{ +#ifdef ERTS_REFC_DEBUG + erts_aint_t val = erts_smp_atomic_dec_read_nob((erts_smp_atomic_t *) refcp); + if (val < min_val) + erts_exit(ERTS_ABORT_EXIT, + "erts_smp_refc_dec(): Bad refc found (refc=%ld < %ld)!\n", + val, min_val); +#else + erts_smp_atomic_dec_nob((erts_smp_atomic_t *) refcp); +#endif +} + +ERTS_GLB_INLINE erts_aint_t +erts_smp_refc_dectest(erts_smp_refc_t *refcp, erts_aint_t min_val) +{ + erts_aint_t val = erts_smp_atomic_dec_read_nob((erts_smp_atomic_t *) refcp); +#ifdef ERTS_REFC_DEBUG + if (val < min_val) + erts_exit(ERTS_ABORT_EXIT, + "erts_smp_refc_dectest(): Bad refc found (refc=%ld < %ld)!\n", + val, min_val); +#endif + return val; +} + +ERTS_GLB_INLINE void +erts_smp_refc_add(erts_smp_refc_t *refcp, erts_aint_t diff, erts_aint_t min_val) +{ +#ifdef ERTS_REFC_DEBUG + erts_aint_t val = erts_smp_atomic_add_read_nob((erts_smp_atomic_t *) refcp, diff); + if (val < min_val) + erts_exit(ERTS_ABORT_EXIT, + "erts_smp_refc_add(%ld): Bad refc found (refc=%ld < %ld)!\n", + diff, val, min_val); +#else + erts_smp_atomic_add_nob((erts_smp_atomic_t *) refcp, diff); +#endif +} + +ERTS_GLB_INLINE erts_aint_t +erts_smp_refc_read(erts_smp_refc_t *refcp, erts_aint_t min_val) +{ + erts_aint_t val = erts_smp_atomic_read_nob((erts_smp_atomic_t *) refcp); +#ifdef ERTS_REFC_DEBUG + if (val < min_val) + erts_exit(ERTS_ABORT_EXIT, + "erts_smp_refc_read(): Bad refc found (refc=%ld < %ld)!\n", + val, min_val); +#endif + return val; +} + +#endif /* #if ERTS_GLB_INLINE_INCL_FUNC_DEF */ + + #ifdef ERTS_ENABLE_KERNEL_POLL extern int erts_use_kernel_poll; #endif diff --git a/erts/emulator/beam/utils.c b/erts/emulator/beam/utils.c index 74a0681dd5..092a5320ba 100644 --- a/erts/emulator/beam/utils.c +++ b/erts/emulator/beam/utils.c @@ -1838,7 +1838,7 @@ make_internal_hash(Eterm term) break; case REF_SUBTAG: UINT32_HASH(internal_ref_numbers(term)[0], HCONST_7); - ASSERT(internal_ref_no_of_numbers(term) == 3); + ASSERT(internal_ref_no_numbers(term) == 3); UINT32_HASH_2(internal_ref_numbers(term)[1], internal_ref_numbers(term)[2], HCONST_8); goto pop_next; @@ -1847,7 +1847,7 @@ make_internal_hash(Eterm term) { ExternalThing* thing = external_thing_ptr(term); - ASSERT(external_thing_ref_no_of_numbers(thing) == 3); + ASSERT(external_thing_ref_no_numbers(thing) == 3); /* See limitation #2 */ #ifdef ARCH_64 POINTER_HASH(thing->node, HCONST_7); @@ -2486,22 +2486,20 @@ tailrecur_ne: anum = external_thing_ref_numbers(athing); bnum = external_thing_ref_numbers(bthing); - alen = external_thing_ref_no_of_numbers(athing); - blen = external_thing_ref_no_of_numbers(bthing); + alen = external_thing_ref_no_numbers(athing); + blen = external_thing_ref_no_numbers(bthing); goto ref_common; + case REF_SUBTAG: - if (!is_internal_ref(b)) - goto not_equal; - { - RefThing* athing = ref_thing_ptr(a); - RefThing* bthing = ref_thing_ptr(b); - alen = internal_thing_ref_no_of_numbers(athing); - blen = internal_thing_ref_no_of_numbers(bthing); - anum = internal_thing_ref_numbers(athing); - bnum = internal_thing_ref_numbers(bthing); - } + if (!is_internal_ref(b)) + goto not_equal; + + alen = internal_ref_no_numbers(a); + anum = internal_ref_numbers(a); + blen = internal_ref_no_numbers(b); + bnum = internal_ref_numbers(b); ref_common: ASSERT(alen > 0 && blen > 0); @@ -3133,25 +3131,21 @@ tailrecur_ne: */ if (is_internal_ref(b)) { - RefThing* bthing = ref_thing_ptr(b); bnode = erts_this_node; - bnum = internal_thing_ref_numbers(bthing); - blen = internal_thing_ref_no_of_numbers(bthing); + blen = internal_ref_no_numbers(b); + bnum = internal_ref_numbers(b); } else if(is_external_ref(b)) { ExternalThing* bthing = external_thing_ptr(b); bnode = bthing->node; bnum = external_thing_ref_numbers(bthing); - blen = external_thing_ref_no_of_numbers(bthing); + blen = external_thing_ref_no_numbers(bthing); } else { a_tag = REF_DEF; goto mixed_types; } - { - RefThing* athing = ref_thing_ptr(a); - anode = erts_this_node; - anum = internal_thing_ref_numbers(athing); - alen = internal_thing_ref_no_of_numbers(athing); - } + anode = erts_this_node; + alen = internal_ref_no_numbers(a); + anum = internal_ref_numbers(a); ref_common: CMP_NODES(anode, bnode); @@ -3181,15 +3175,14 @@ tailrecur_ne: goto pop_next; case (_TAG_HEADER_EXTERNAL_REF >> _TAG_PRIMARY_SIZE): if (is_internal_ref(b)) { - RefThing* bthing = ref_thing_ptr(b); bnode = erts_this_node; - bnum = internal_thing_ref_numbers(bthing); - blen = internal_thing_ref_no_of_numbers(bthing); + blen = internal_ref_no_numbers(b); + bnum = internal_ref_numbers(b); } else if (is_external_ref(b)) { ExternalThing* bthing = external_thing_ptr(b); bnode = bthing->node; bnum = external_thing_ref_numbers(bthing); - blen = external_thing_ref_no_of_numbers(bthing); + blen = external_thing_ref_no_numbers(bthing); } else { a_tag = EXTERNAL_REF_DEF; goto mixed_types; @@ -3198,7 +3191,7 @@ tailrecur_ne: ExternalThing* athing = external_thing_ptr(a); anode = athing->node; anum = external_thing_ref_numbers(athing); - alen = external_thing_ref_no_of_numbers(athing); + alen = external_thing_ref_no_numbers(athing); } goto ref_common; default: @@ -3575,40 +3568,41 @@ not_equal: Eterm store_external_or_ref_(Uint **hpp, ErlOffHeap* oh, Eterm ns) { + struct erl_off_heap_header *ohhp; Uint i; Uint size; - Uint *from_hp; - Uint *to_hp = *hpp; + Eterm *from_hp; + Eterm *to_hp = *hpp; ASSERT(is_external(ns) || is_internal_ref(ns)); - if(is_external(ns)) { - from_hp = external_val(ns); - size = thing_arityval(*from_hp) + 1; - *hpp += size; - - for(i = 0; i < size; i++) - to_hp[i] = from_hp[i]; - - erts_refc_inc(&((ExternalThing *) to_hp)->node->refc, 2); - - ((struct erl_off_heap_header*) to_hp)->next = oh->first; - oh->first = (struct erl_off_heap_header*) to_hp; - - return make_external(to_hp); - } - - /* Internal ref */ - from_hp = internal_ref_val(ns); - + from_hp = boxed_val(ns); size = thing_arityval(*from_hp) + 1; - *hpp += size; for(i = 0; i < size; i++) to_hp[i] = from_hp[i]; - return make_internal_ref(to_hp); + if (is_external_header(*from_hp)) { + ExternalThing *etp = (ExternalThing *) from_hp; + ASSERT(is_external(ns)); + erts_smp_refc_inc(&etp->node->refc, 2); + } + else if (is_ordinary_ref_thing(from_hp)) + return make_internal_ref(to_hp); + else { + ErtsMRefThing *mreft = (ErtsMRefThing *) from_hp; + ErtsMagicBinary *mb = mreft->mb; + ASSERT(is_magic_ref_thing(from_hp)); + erts_refc_inc(&mb->refc, 2); + OH_OVERHEAD(oh, mb->orig_size / sizeof(Eterm)); + } + + ohhp = (struct erl_off_heap_header*) to_hp; + ohhp->next = oh->first; + oh->first = ohhp; + + return make_boxed(to_hp); } Eterm @@ -3671,6 +3665,68 @@ intlist_to_buf(Eterm list, char *buf, Sint len) return -2; /* not enough space */ } +/* Fill buf with the contents of the unicode list. + * Return the number of bytes in the buffer, + * or -1 for type error, + * or -2 for not enough buffer space (buffer contains truncated result). + */ +Sint +erts_unicode_list_to_buf(Eterm list, byte *buf, Sint len) +{ + Eterm* listptr; + Sint sz = 0; + + if (is_nil(list)) { + return 0; + } + if (is_not_list(list)) { + return -1; + } + listptr = list_val(list); + + while (len-- > 0) { + Sint val; + + if (is_not_small(CAR(listptr))) { + return -1; + } + val = signed_val(CAR(listptr)); + if (0 <= val && val < 0x80) { + buf[sz] = val; + sz++; + } else if (val < 0x800) { + buf[sz+0] = 0xC0 | (val >> 6); + buf[sz+1] = 0x80 | (val & 0x3F); + sz += 2; + } else if (val < 0x10000UL) { + if (0xD800 <= val && val <= 0xDFFF) { + return -1; + } + buf[sz+0] = 0xE0 | (val >> 12); + buf[sz+1] = 0x80 | ((val >> 6) & 0x3F); + buf[sz+2] = 0x80 | (val & 0x3F); + sz += 3; + } else if (val < 0x110000) { + buf[sz+0] = 0xF0 | (val >> 18); + buf[sz+1] = 0x80 | ((val >> 12) & 0x3F); + buf[sz+2] = 0x80 | ((val >> 6) & 0x3F); + buf[sz+3] = 0x80 | (val & 0x3F); + sz += 4; + } else { + return -1; + } + list = CDR(listptr); + if (is_nil(list)) { + return sz; + } + if (is_not_list(list)) { + return -1; + } + listptr = list_val(list); + } + return -2; /* not enough space */ +} + /* ** Convert an integer to a byte list ** return pointer to converted stuff (need not to be at start of buf!) diff --git a/erts/emulator/drivers/common/efile_drv.c b/erts/emulator/drivers/common/efile_drv.c index d64f015a6a..173a39533d 100644 --- a/erts/emulator/drivers/common/efile_drv.c +++ b/erts/emulator/drivers/common/efile_drv.c @@ -2331,9 +2331,9 @@ file_async_ready(ErlDrvData e, ErlDrvThreadData data) free_read(data); break; case FILE_READ_LINE: - /* The read_line stucture differs from the read structure. - The data->read_offset and d->c.read_line.read_offset are copies, as are - data->read_size and d->c.read_line.read_size + /* The read_line structure differs from the read structure. + The data->read_offset and d->c.read_line.read_offset are copies, as are + data->read_size and d->c.read_line.read_size The read_line function does not kniow in advance how large the binary has to be, why new allocation (but not reallocation of the old binary, for obvious reasons) may happen in the worker thread. */ diff --git a/erts/emulator/drivers/common/gzio.c b/erts/emulator/drivers/common/gzio.c index 1ef1602ec9..f60c781894 100644 --- a/erts/emulator/drivers/common/gzio.c +++ b/erts/emulator/drivers/common/gzio.c @@ -308,7 +308,7 @@ ErtsGzFile erts_gzopen (path, mode) /* =========================================================================== Read a byte from a gz_stream; update next_in and avail_in. Return EOF for end of file. - IN assertion: the stream s has been sucessfully opened for reading. + IN assertion: the stream s has been successfully opened for reading. */ local int get_byte(s) gz_stream *s; diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c index 1885338ce5..278abe4e00 100644 --- a/erts/emulator/drivers/common/inet_drv.c +++ b/erts/emulator/drivers/common/inet_drv.c @@ -728,7 +728,7 @@ static int is_nonzero(const char *s, size_t n) #define TCP_ADDF_PENDING_SHUTDOWN \ (TCP_ADDF_PENDING_SHUT_WR | TCP_ADDF_PENDING_SHUT_RDWR) #define TCP_ADDF_SHOW_ECONNRESET 64 /* Tell user about incoming RST */ -#define TCP_ADDF_DELAYED_ECONNRESET 128 /* An ECONNRESET error occured on send or shutdown */ +#define TCP_ADDF_DELAYED_ECONNRESET 128 /* An ECONNRESET error occurred on send or shutdown */ #define TCP_ADDF_SHUTDOWN_WR_DONE 256 /* A shutdown(sock, SHUT_WR) or SHUT_RDWR was made */ #define TCP_ADDF_LINGER_ZERO 512 /* Discard driver queue on port close */ @@ -4132,8 +4132,8 @@ static char *inet_set_faddress(int family, inet_address* dst, /* Get a inaddr structure ** src = inaddr structure -** *len is the lenght of structure ** dst is filled with [F,P1,P0,X1,....] +** *len is the length of structure ** where F is the family code (coded) ** and *len is the length of dst on return ** (suitable to deliver to erlang) diff --git a/erts/emulator/drivers/unix/sig_drv.c b/erts/emulator/drivers/unix/sig_drv.c index 68ad6b9156..18f2038431 100644 --- a/erts/emulator/drivers/unix/sig_drv.c +++ b/erts/emulator/drivers/unix/sig_drv.c @@ -18,7 +18,7 @@ * %CopyrightEnd% */ -/* Purpose: demonstrate how to include interupt handlers in erlang */ +/* Purpose: demonstrate how to include interrupt handlers in erlang */ #ifdef HAVE_CONFIG_H # include "config.h" diff --git a/erts/emulator/drivers/unix/unix_efile.c b/erts/emulator/drivers/unix/unix_efile.c index bfe0807df8..3ff68a8859 100644 --- a/erts/emulator/drivers/unix/unix_efile.c +++ b/erts/emulator/drivers/unix/unix_efile.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1997-2016. All Rights Reserved. + * Copyright Ericsson AB 1997-2017. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -79,11 +79,10 @@ * Macros for testing file types. */ -#define ISDIR(st) (((st).st_mode & S_IFMT) == S_IFDIR) -#define ISREG(st) (((st).st_mode & S_IFMT) == S_IFREG) -#define ISDEV(st) \ - (((st).st_mode&S_IFMT) == S_IFCHR || ((st).st_mode&S_IFMT) == S_IFBLK) -#define ISLNK(st) (((st).st_mode & S_IFLNK) == S_IFLNK) +#define ISDIR(st) (S_ISDIR((st).st_mode)) +#define ISREG(st) (S_ISREG((st).st_mode)) +#define ISDEV(st) (S_ISCHR((st).st_mode) || S_ISBLK((st).st_mode)) +#define ISLNK(st) (S_ISLNK((st).st_mode)) #ifdef NO_UMASK #define FILE_MODE 0644 #define DIR_MODE 0755 @@ -366,33 +365,6 @@ efile_openfile(Efile_error* errInfo, /* Where to return error codes. */ int fd; int mode; /* Open mode. */ - if (stat(name, &statbuf) < 0) { - /* statbuf is undefined: if the caller depends on it, - i.e. invoke_read_file(), fail the call immediately */ - if (pSize && flags == EFILE_MODE_READ) - return check_error(-1, errInfo); - } else if (!ISREG(statbuf)) { - /* - * For UNIX only, here is some ugly code to allow - * /dev/null to be opened as a file. - * - * Assumption: The i-node number for /dev/null cannot be zero. - */ - static ino_t dev_null_ino = 0; - - if (dev_null_ino == 0) { - struct stat nullstatbuf; - - if (stat("/dev/null", &nullstatbuf) >= 0) { - dev_null_ino = nullstatbuf.st_ino; - } - } - if (!(dev_null_ino && statbuf.st_ino == dev_null_ino)) { - errno = EISDIR; - return check_error(-1, errInfo); - } - } - switch (flags & (EFILE_MODE_READ|EFILE_MODE_WRITE)) { case EFILE_MODE_READ: mode = O_RDONLY; @@ -411,16 +383,13 @@ efile_openfile(Efile_error* errInfo, /* Where to return error codes. */ return check_error(-1, errInfo); } - if (flags & EFILE_MODE_APPEND) { mode &= ~O_TRUNC; mode |= O_APPEND; } - if (flags & EFILE_MODE_EXCL) { mode |= O_EXCL; } - if (flags & EFILE_MODE_SYNC) { #ifdef O_SYNC mode |= O_SYNC; @@ -430,15 +399,49 @@ efile_openfile(Efile_error* errInfo, /* Where to return error codes. */ #endif } - fd = open(name, mode, FILE_MODE); +#ifdef HAVE_FSTAT + while (((fd = open(name, mode, FILE_MODE)) < 0) && (errno == EINTR)); + if (!check_error(fd, errInfo)) return 0; +#endif + + if ( +#ifdef HAVE_FSTAT + fstat(fd, &statbuf) < 0 +#else + stat(name, &statbuf) < 0 +#endif + ) { + /* statbuf is undefined: if the caller depends on it, + i.e. invoke_read_file(), fail the call immediately */ + if (pSize && flags == EFILE_MODE_READ) { + check_error(-1, errInfo); +#ifdef HAVE_FSTAT + efile_closefile(fd); +#endif + return 0; + } + } + else if (! ISREG(statbuf)) { + struct stat nullstatbuf; + /* + * For UNIX only, here is some ugly code to allow + * /dev/null to be opened as a file. + */ + if ( (stat("/dev/null", &nullstatbuf) < 0) + || (statbuf.st_ino != nullstatbuf.st_ino) + || (statbuf.st_dev != nullstatbuf.st_dev) ) { + errno = EISDIR; + return check_error(-1, errInfo); + } + } - if (!check_error(fd, errInfo)) - return 0; +#ifndef HAVE_FSTAT + while (((fd = open(name, mode, FILE_MODE)) < 0) && (errno == EINTR)); + if (!check_error(fd, errInfo)) return 0; +#endif *pfd = fd; - if (pSize) { - *pSize = statbuf.st_size; - } + if (pSize) *pSize = statbuf.st_size; return 1; } @@ -460,7 +463,7 @@ efile_may_openfile(Efile_error* errInfo, char *name) { void efile_closefile(int fd) { - close(fd); + while((close(fd) < 0) && (errno == EINTR)); } int diff --git a/erts/emulator/hipe/hipe_bif0.c b/erts/emulator/hipe/hipe_bif0.c index 9c6ac4bd9c..688c82ab7a 100644 --- a/erts/emulator/hipe/hipe_bif0.c +++ b/erts/emulator/hipe/hipe_bif0.c @@ -381,12 +381,9 @@ BIF_RETTYPE hipe_bifs_ref_set_2(BIF_ALIST_2) static HipeLoaderState *get_loader_state(Eterm term) { - ProcBin *pb; + if (!is_internal_magic_ref(term)) return NULL; - if (!ERTS_TERM_IS_MAGIC_BINARY(term)) return NULL; - - pb = (ProcBin*) binary_val(term); - return hipe_get_loader_state(pb->val); + return hipe_get_loader_state(erts_magic_ref2bin(term)); } @@ -1008,7 +1005,7 @@ BIF_RETTYPE hipe_bifs_set_native_address_in_fe_2(BIF_ALIST_2) BIF_ERROR(BIF_P, BADARG); fe->native_address = native_address; - if (erts_refc_dectest(&fe->refc, 0) == 0) + if (erts_smp_refc_dectest(&fe->refc, 0) == 0) erts_erase_fun_entry(fe); BIF_RET(am_true); } @@ -1982,8 +1979,8 @@ BIF_RETTYPE hipe_bifs_alloc_loader_state_1(BIF_ALIST_1) if (!magic) BIF_ERROR(BIF_P, BADARG); - hp = HAlloc(BIF_P, PROC_BIN_SIZE); - res = erts_mk_magic_binary_term(&hp, &MSO(BIF_P), magic); + hp = HAlloc(BIF_P, ERTS_MAGIC_REF_THING_SIZE); + res = erts_mk_magic_ref(&hp, &MSO(BIF_P), magic); erts_refc_dec(&magic->refc, 1); BIF_RET(res); } diff --git a/erts/emulator/hipe/hipe_gc.c b/erts/emulator/hipe/hipe_gc.c index cf0435adc9..2311beb34a 100644 --- a/erts/emulator/hipe/hipe_gc.c +++ b/erts/emulator/hipe/hipe_gc.c @@ -91,7 +91,7 @@ Eterm *fullsweep_nstack(Process *p, Eterm *n_htop) ASSERT(is_boxed(val)); *nsp_i = val; } else if (!erts_is_literal(gval, ptr)) { - MOVE_BOXED(ptr, val, n_htop, nsp_i); + move_boxed(&ptr, val, &n_htop, nsp_i); } } else if (is_list(gval)) { Eterm *ptr = list_val(gval); @@ -100,7 +100,7 @@ Eterm *fullsweep_nstack(Process *p, Eterm *n_htop) *nsp_i = ptr[1]; } else if (!erts_is_literal(gval, ptr)) { ASSERT(erts_dbg_within_proc(ptr, p, NULL)); - MOVE_CONS(ptr, val, n_htop, nsp_i); + move_cons(&ptr, val, &n_htop, nsp_i); } } } @@ -206,10 +206,10 @@ void gensweep_nstack(Process *p, Eterm **ptr_old_htop, Eterm **ptr_n_htop) ASSERT(is_boxed(val)); *nsp_i = val; } else if (ErtsInArea(ptr, mature, mature_size)) { - MOVE_BOXED(ptr, val, old_htop, nsp_i); + move_boxed(&ptr, val, &old_htop, nsp_i); } else if (ErtsInYoungGen(gval, ptr, oh, oh_size)) { ASSERT(erts_dbg_within_proc(ptr, p, NULL)); - MOVE_BOXED(ptr, val, n_htop, nsp_i); + move_boxed(&ptr, val, &n_htop, nsp_i); } } else if (is_list(gval)) { Eterm *ptr = list_val(gval); @@ -217,10 +217,10 @@ void gensweep_nstack(Process *p, Eterm **ptr_old_htop, Eterm **ptr_n_htop) if (IS_MOVED_CONS(val)) { *nsp_i = ptr[1]; } else if (ErtsInArea(ptr, mature, mature_size)) { - MOVE_CONS(ptr, val, old_htop, nsp_i); + move_cons(&ptr, val, &old_htop, nsp_i); } else if (ErtsInYoungGen(gval, ptr, oh, oh_size)) { ASSERT(erts_dbg_within_proc(ptr, p, NULL)); - MOVE_CONS(ptr, val, n_htop, nsp_i); + move_cons(&ptr, val, &n_htop, nsp_i); } } } @@ -278,7 +278,7 @@ Eterm *sweep_literals_nstack(Process *p, Eterm *old_htop, char *area, ASSERT(is_boxed(val)); *nsp_i = val; } else if (ErtsInArea(ptr, area, area_size)) { - MOVE_BOXED(ptr, val, old_htop, nsp_i); + move_boxed(&ptr, val, &old_htop, nsp_i); } } else if (is_list(gval)) { Eterm *ptr = list_val(gval); @@ -286,7 +286,7 @@ Eterm *sweep_literals_nstack(Process *p, Eterm *old_htop, char *area, if (IS_MOVED_CONS(val)) { *nsp_i = ptr[1]; } else if (ErtsInArea(ptr, area, area_size)) { - MOVE_CONS(ptr, val, old_htop, nsp_i); + move_cons(&ptr, val, &old_htop, nsp_i); } } } diff --git a/erts/emulator/hipe/hipe_load.c b/erts/emulator/hipe/hipe_load.c index 2998ed87a2..87c5004d2b 100644 --- a/erts/emulator/hipe/hipe_load.c +++ b/erts/emulator/hipe/hipe_load.c @@ -61,7 +61,7 @@ void hipe_free_loader_state(HipeLoaderState *stp) stp->module = NIL; } -static void +static int hipe_loader_state_dtor(Binary* magic) { HipeLoaderState* stp = ERTS_MAGIC_BIN_DATA(magic); @@ -69,6 +69,7 @@ hipe_loader_state_dtor(Binary* magic) ASSERT(ERTS_MAGIC_BIN_DESTRUCTOR(magic) == hipe_loader_state_dtor); hipe_free_loader_state(stp); + return 1; } Binary *hipe_alloc_loader_state(Eterm module) diff --git a/erts/emulator/hipe/hipe_mode_switch.c b/erts/emulator/hipe/hipe_mode_switch.c index 0706f8d2c9..f11223d8b0 100644 --- a/erts/emulator/hipe/hipe_mode_switch.c +++ b/erts/emulator/hipe/hipe_mode_switch.c @@ -174,33 +174,6 @@ void hipe_mode_switch_init(void) make_catch(beam_catches_cons(hipe_beam_pc_throw, BEAM_CATCHES_NIL)); hipe_mfa_info_table_init(); - -#if (defined(__i386__) || defined(__x86_64__)) && defined(__linux__) - /* Verify that the offset of c-p->hipe does not change. - The ErLLVM hipe backend depends on it being in a specific - position. Kostis et al has promised to fix this in upstream - llvm by OTP 20, so it should be possible to remove these asserts - after that. */ - ERTS_CT_ASSERT(sizeof(ErtsPTabElementCommon) == - (sizeof(Eterm) + /* id */ - sizeof(((ErtsPTabElementCommon*)0)->refc) + - sizeof(ErtsTracer) + /* tracer */ - sizeof(Uint) + /* trace_flags */ - sizeof(erts_smp_atomic_t) + /* timer */ - sizeof(((ErtsPTabElementCommon*)0)->u))); - - ERTS_CT_ASSERT(offsetof(Process, hipe) == - (sizeof(ErtsPTabElementCommon) + /* common */ - sizeof(Eterm*) + /* htop */ - sizeof(Eterm*) + /* stop */ - sizeof(Eterm*) + /* heap */ - sizeof(Eterm*) + /* hend */ - sizeof(Uint) + /* heap_sz */ - sizeof(Uint) + /* min_heap_size */ - sizeof(Uint) + /* min_vheap_size */ - sizeof(volatile unsigned long))); /* fp_exception */ -#endif - } void hipe_set_call_trap(Uint *bfun, void *nfun, int is_closure) diff --git a/erts/emulator/hipe/hipe_native_bif.c b/erts/emulator/hipe/hipe_native_bif.c index 9a9252e8b8..e581f07f56 100644 --- a/erts/emulator/hipe/hipe_native_bif.c +++ b/erts/emulator/hipe/hipe_native_bif.c @@ -323,7 +323,7 @@ char *hipe_bs_allocate(int len) Binary *bptr; bptr = erts_bin_nrml_alloc(len); - erts_smp_atomic_init_nob(&bptr->refc, 1); + erts_refc_init(&bptr->refc, 1); return bptr->orig_bytes; } diff --git a/erts/emulator/internal_doc/DelayedDealloc.md b/erts/emulator/internal_doc/DelayedDealloc.md index b7d87b839f..4b7c774141 100644 --- a/erts/emulator/internal_doc/DelayedDealloc.md +++ b/erts/emulator/internal_doc/DelayedDealloc.md @@ -19,7 +19,7 @@ the Erlang VM where memory allocation/deallocation is frequent and references to memory also are passed around between threads this solution will also scale poorly due to lock contention. -Functionality Used to Adress This problem +Functionality Used to Address This problem ----------------------------------------- In order to reduce contention due to locking of allocator instances we @@ -44,12 +44,12 @@ deallocation. The "message box" is implemented using a lock free single linked list through the memory blocks to deallocate. The order of the elements in this list is not important. Insertion of new free blocks will be made -somewhere near the end of this list. Requirering that the new blocks +somewhere near the end of this list. Requiring that the new blocks need to be inserted at the end would cause unnecessary contention when large amount of memory blocks are inserted simultaneous by multiple threads. -The data structure refering to this single linked list cover two cache +The data structure referring to this single linked list cover two cache lines. One cache line containing information about the head of the list, and one cache line containing information about the tail of the list. This in order to reduce cache line ping ponging of this data @@ -65,21 +65,21 @@ list. In the uncontended case it will point to the end of the list, but when simultaneous insert operations are performed it will point to something near the end of the list. -When insterting an element one will try to write a pointer to the new +When inserting an element one will try to write a pointer to the new element in the next pointer of the element pointed to by the last pointer. This is done using an atomic compare and swap that expects -the next pointer to be `NULL`. If this succeds the thread performing +the next pointer to be `NULL`. If this succeeds the thread performing this operation moves the last pointer to point to the newly inserted element. If the atomic compare and swap described above failed, the last pointer didn't point to the last element. In this case we need to -insert the new element somewhere inbetween the element that the last +insert the new element somewhere between the element that the last pointer pointed to and the actual last element. If we do it this way the last pointer will eventually end up at the last element when threads stop adding new elements. When trying to insert somewhere near the end and failing to do so, the inserting thread sometimes moves to -the next element and somtimes tries with the same element again. This +the next element and sometimes tries with the same element again. This in order to spread the inserted elements during heavy contention. That is, we try to spread the modifications of memory to different locations instead of letting all threads continue to try to modify the @@ -87,7 +87,7 @@ same location in memory. ### Head ### -The head contains pointers to begining of the list (`head.first`), and +The head contains pointers to beginning of the list (`head.first`), and to the first block which other threads may refer to (`head.unref_end`). Blocks between these pointers are only refered to by the head part of the data structure which is only used by the @@ -142,7 +142,7 @@ contains this "marker" element. ### Contention ### -When elements are continously inserted by threads not owning the +When elements are continuously inserted by threads not owning the allocator instance, the thread owning the allocator instance will be able to work more or less undisturbed by other threads at the head end of the list. At the tail end large amounts of simultaneous inserts may diff --git a/erts/emulator/internal_doc/PortSignals.md b/erts/emulator/internal_doc/PortSignals.md index b1afb7c5cb..8782ae4e17 100644 --- a/erts/emulator/internal_doc/PortSignals.md +++ b/erts/emulator/internal_doc/PortSignals.md @@ -204,7 +204,7 @@ high limit is 8 KB and the low limit is 4 KB. Previously all operations sending signals to ports began by acquiring the port lock, then performed preparations for sending the signal, and -then finaly sent the signal. The preparations typically included +then finally sent the signal. The preparations typically included inspecting the state of the port, and preparing the data to pass along with the signal. The preparation of data is frequently quite time consuming, and did not really depend on the port. That is we would diff --git a/erts/emulator/internal_doc/SuperCarrier.md b/erts/emulator/internal_doc/SuperCarrier.md index 0ad6af41de..acf722ea37 100644 --- a/erts/emulator/internal_doc/SuperCarrier.md +++ b/erts/emulator/internal_doc/SuperCarrier.md @@ -151,7 +151,7 @@ To find the smallest free segment that will satisfy a carrier allocation size (`stree`). We search in this tree at allocation. If no free segment of sufficient size was found, the area (`sa` or `sua`) is instead expanded. If two or more free segments with equal size exist, the one at lowest -address is choosen for `sa` and highest address for `sua`. +address is chosen for `sa` and highest address for `sua`. At carrier deallocation, we want to coalesce with any adjacent free segments, to form one large free segment. To do that, all free diff --git a/erts/emulator/internal_doc/ThreadProgress.md b/erts/emulator/internal_doc/ThreadProgress.md index 6118bcf0f6..03a802f904 100644 --- a/erts/emulator/internal_doc/ThreadProgress.md +++ b/erts/emulator/internal_doc/ThreadProgress.md @@ -60,7 +60,7 @@ threads are managed threads. ### Thread Progress Events ### Any thread in the system may use the thread progress functionality in -order to determine when the following events have occured at least +order to determine when the following events have occurred at least once in all managed threads: 1. The thread has returned from other code to a known state in the @@ -160,7 +160,7 @@ calling the following functions: * `int erts_thr_progress_leader_update(ErtsSchedulerData *esdp)` - Leader update thread progress. -Unmanaged threads can delay thread progress beeing made: +Unmanaged threads can delay thread progress being made: * `ErtsThrPrgrDelayHandle erts_thr_progress_unmanaged_delay(void)` - Delay thread progress. @@ -251,7 +251,7 @@ doing so. If not zero, the leader isn't allowed to increment the global counter, and needs to wait before it can do this. When it is zero, it swaps the `waiting` and `current` counters before increasing the global counter. From now on the new `waiting` counter will -decrease, so that it eventualy will reach zero, making it possible to +decrease, so that it eventually will reach zero, making it possible to increment the global counter the next time. If we only used one reference counter it would potentially be held above zero for ever by different unmanaged threads. @@ -261,7 +261,7 @@ prevent the next increment of the global counter, but instead the increment after that. This is sufficient since the global counter needs to be incremented two times before thread progress has been made. It is also desirable not to prevent the first increment, since -the likelyhood increases that the delay is withdrawn before any +the likelihood increases that the delay is withdrawn before any increment of the global counter is delayed. That is, the operation will cause as little disruption as possible. diff --git a/erts/emulator/internal_doc/Tracing.md b/erts/emulator/internal_doc/Tracing.md index 728f315263..7f97f64765 100644 --- a/erts/emulator/internal_doc/Tracing.md +++ b/erts/emulator/internal_doc/Tracing.md @@ -51,7 +51,7 @@ the new instrumented code. Normally loaded code can only be reached through external functions calls. Trace settings must be activated instantaneously without the need of external function calls. -The choosen solution is instead for tracing to use the technique of +The chosen solution is instead for tracing to use the technique of replication applied on the data structures for breakpoints. Two generations of breakpoints are kept and indentified by index of 0 and 1. The global atomic variables `erts_active_bp_index` will determine diff --git a/erts/emulator/pcre/pcre_exec.c b/erts/emulator/pcre/pcre_exec.c index 1cab78cdd8..07e662ff07 100644 --- a/erts/emulator/pcre/pcre_exec.c +++ b/erts/emulator/pcre/pcre_exec.c @@ -1134,7 +1134,7 @@ for (;;) the result of a recursive call to match() whatever happened so it was possible to reduce stack usage by turning this into a tail recursion, except in the case of a possibly empty group. However, now that there is - the possiblity of (*THEN) occurring in the final alternative, this + the possibility of (*THEN) occurring in the final alternative, this optimization is no longer always possible. We can optimize if we know there are no (*THEN)s in the pattern; at present diff --git a/erts/emulator/sys/common/erl_check_io.c b/erts/emulator/sys/common/erl_check_io.c index 44a77f3ea5..1ef9fa2a05 100644 --- a/erts/emulator/sys/common/erl_check_io.c +++ b/erts/emulator/sys/common/erl_check_io.c @@ -38,6 +38,7 @@ #include "erl_port.h" #include "erl_check_io.h" #include "erl_thr_progress.h" +#include "erl_bif_unique.h" #include "dtrace-wrapper.h" #include "lttng-wrapper.h" #define ERTS_WANT_TIMER_WHEEL_API @@ -53,6 +54,8 @@ typedef char EventStateType; #define ERTS_EV_TYPE_DRV_SEL ((EventStateType) 1) /* driver_select */ #define ERTS_EV_TYPE_DRV_EV ((EventStateType) 2) /* driver_event */ #define ERTS_EV_TYPE_STOP_USE ((EventStateType) 3) /* pending stop_select */ +#define ERTS_EV_TYPE_NIF ((EventStateType) 4) /* enif_select */ +#define ERTS_EV_TYPE_STOP_NIF ((EventStateType) 5) /* pending nif stop */ typedef char EventStateFlags; #define ERTS_EV_FLAG_USED ((EventStateFlags) 1) /* ERL_DRV_USE has been turned on */ @@ -122,7 +125,11 @@ typedef struct { #if ERTS_CIO_HAVE_DRV_EVENT ErtsDrvEventDataState *event; /* ERTS_EV_TYPE_DRV_EV */ #endif - erts_driver_t* drv_ptr; /* ERTS_EV_TYPE_STOP_USE */ + ErtsNifSelectDataState *nif; /* ERTS_EV_TYPE_NIF */ + union { + erts_driver_t* drv_ptr; /* ERTS_EV_TYPE_STOP_USE */ + ErtsResource* resource; /* ERTS_EV_TYPE_STOP_NIF */ + }stop; } driver; ErtsPollEvents events; unsigned short remove_cnt; /* number of removed_fd's referring to this fd */ @@ -194,7 +201,8 @@ static ERTS_INLINE ErtsDrvEventState* hash_new_drv_ev_state(ErtsSysFdType fd) #if ERTS_CIO_HAVE_DRV_EVENT tmpl.driver.event = NULL; #endif - tmpl.driver.drv_ptr = NULL; + tmpl.driver.nif = NULL; + tmpl.driver.stop.drv_ptr = NULL; tmpl.events = 0; tmpl.remove_cnt = 0; tmpl.type = ERTS_EV_TYPE_NONE; @@ -211,24 +219,35 @@ static ERTS_INLINE void hash_erase_drv_ev_state(ErtsDrvEventState *state) #endif /* !ERTS_SYS_CONTINOUS_FD_NUMBERS */ static void stale_drv_select(Eterm id, ErtsDrvEventState *state, int mode); -static void select_steal(ErlDrvPort ix, ErtsDrvEventState *state, - int mode, int on); -static void print_select_op(erts_dsprintf_buf_t *dsbufp, - ErlDrvPort ix, ErtsSysFdType fd, int mode, int on); +static void drv_select_steal(ErlDrvPort ix, ErtsDrvEventState *state, + int mode, int on); +static void nif_select_steal(ErtsDrvEventState *state, int mode, + ErtsResource* resource, Eterm ref); + +static void print_drv_select_op(erts_dsprintf_buf_t *dsbufp, + ErlDrvPort ix, ErtsSysFdType fd, int mode, int on); +static void print_nif_select_op(erts_dsprintf_buf_t*, ErtsSysFdType, + int mode, ErtsResource*, Eterm ref); + #ifdef ERTS_SYS_CONTINOUS_FD_NUMBERS -static void select_large_fd_error(ErlDrvPort, ErtsSysFdType, int, int); +static void drv_select_large_fd_error(ErlDrvPort, ErtsSysFdType, int, int); +static void nif_select_large_fd_error(ErtsSysFdType, int, ErtsResource*,Eterm ref); #endif #if ERTS_CIO_HAVE_DRV_EVENT -static void event_steal(ErlDrvPort ix, ErtsDrvEventState *state, +static void drv_event_steal(ErlDrvPort ix, ErtsDrvEventState *state, ErlDrvEventData event_data); -static void print_event_op(erts_dsprintf_buf_t *dsbufp, - ErlDrvPort, ErtsSysFdType, ErlDrvEventData); +static void print_drv_event_op(erts_dsprintf_buf_t *dsbufp, + ErlDrvPort, ErtsSysFdType, ErlDrvEventData); #ifdef ERTS_SYS_CONTINOUS_FD_NUMBERS static void event_large_fd_error(ErlDrvPort, ErtsSysFdType, ErlDrvEventData); #endif #endif -static void steal_pending_stop_select(erts_dsprintf_buf_t*, ErlDrvPort, - ErtsDrvEventState*, int mode, int on); +static void +steal_pending_stop_use(erts_dsprintf_buf_t*, ErlDrvPort, ErtsDrvEventState*, + int mode, int on); +static void +steal_pending_stop_nif(erts_dsprintf_buf_t *dsbufp, ErtsResource*, + ErtsDrvEventState *state, int mode, int on); #ifdef ERTS_SMP ERTS_SCHED_PREF_QUICK_ALLOC_IMPL(removed_fd, struct removed_fd, 64, ERTS_ALC_T_FD_LIST) @@ -263,6 +282,18 @@ alloc_drv_select_data(void) return dsp; } +static ERTS_INLINE ErtsNifSelectDataState * +alloc_nif_select_data(void) +{ + ErtsNifSelectDataState *dsp = erts_alloc(ERTS_ALC_T_NIF_SEL_D_STATE, + sizeof(ErtsNifSelectDataState)); + dsp->in.pid = NIL; + dsp->out.pid = NIL; + dsp->in.ddeselect_cnt = 0; + dsp->out.ddeselect_cnt = 0; + return dsp; +} + static ERTS_INLINE void free_drv_select_data(ErtsDrvSelectDataState *dsp) { @@ -271,6 +302,12 @@ free_drv_select_data(ErtsDrvSelectDataState *dsp) erts_free(ERTS_ALC_T_DRV_SEL_D_STATE, dsp); } +static ERTS_INLINE void +free_nif_select_data(ErtsNifSelectDataState *dsp) +{ + erts_free(ERTS_ALC_T_NIF_SEL_D_STATE, dsp); +} + #if ERTS_CIO_HAVE_DRV_EVENT static ERTS_INLINE ErtsDrvEventDataState * @@ -352,6 +389,7 @@ forget_removed(struct pollset_info* psi) erts_smp_spin_unlock(&psi->removed_list_lock); while (fdlp) { + ErtsResource* resource = NULL; erts_driver_t* drv_ptr = NULL; erts_smp_mtx_t* mtx; ErtsSysFdType fd; @@ -372,15 +410,25 @@ forget_removed(struct pollset_info* psi) ASSERT(state->remove_cnt > 0); if (--state->remove_cnt == 0) { switch (state->type) { + case ERTS_EV_TYPE_STOP_NIF: + /* Now we can call stop */ + resource = state->driver.stop.resource; + state->driver.stop.resource = NULL; + ASSERT(resource); + state->type = ERTS_EV_TYPE_NONE; + state->flags &= ~ERTS_EV_FLAG_USED; + goto case_ERTS_EV_TYPE_NONE; + case ERTS_EV_TYPE_STOP_USE: /* Now we can call stop_select */ - drv_ptr = state->driver.drv_ptr; + drv_ptr = state->driver.stop.drv_ptr; ASSERT(drv_ptr); state->type = ERTS_EV_TYPE_NONE; state->flags &= ~ERTS_EV_FLAG_USED; - state->driver.drv_ptr = NULL; + state->driver.stop.drv_ptr = NULL; /* Fall through */ - case ERTS_EV_TYPE_NONE: + case ERTS_EV_TYPE_NONE: + case_ERTS_EV_TYPE_NONE: #ifndef ERTS_SYS_CONTINOUS_FD_NUMBERS hash_erase_drv_ev_state(state); #endif @@ -403,6 +451,11 @@ forget_removed(struct pollset_info* psi) erts_ddll_dereference_driver(drv_ptr->handle); } } + if (resource) { + erts_resource_stop(resource, (ErlNifEvent)fd, 0); + enif_release_resource(resource->data); + } + tofree = fdlp; fdlp = fdlp->next; removed_fd_free(tofree); @@ -440,7 +493,8 @@ grow_drv_ev_state(int min_ix) #if ERTS_CIO_HAVE_DRV_EVENT drv_ev_state[i].driver.event = NULL; #endif - drv_ev_state[i].driver.drv_ptr = NULL; + drv_ev_state[i].driver.stop.drv_ptr = NULL; + drv_ev_state[i].driver.nif = NULL; drv_ev_state[i].events = 0; drv_ev_state[i].remove_cnt = 0; drv_ev_state[i].type = ERTS_EV_TYPE_NONE; @@ -480,6 +534,7 @@ abort_tasks(ErtsDrvEventState *state, int mode) ERTS_EV_TYPE_DRV_EV); return; #endif + case ERTS_EV_TYPE_NIF: case ERTS_EV_TYPE_NONE: return; default: @@ -534,6 +589,14 @@ deselect(ErtsDrvEventState *state, int mode) if (!(state->events)) { switch (state->type) { + case ERTS_EV_TYPE_NIF: + state->driver.nif->in.pid = NIL; + state->driver.nif->out.pid = NIL; + state->driver.nif->in.ddeselect_cnt = 0; + state->driver.nif->out.ddeselect_cnt = 0; + enif_release_resource(state->driver.stop.resource); + state->driver.stop.resource = NULL; + break; case ERTS_EV_TYPE_DRV_SEL: state->driver.select->inport = NIL; state->driver.select->outport = NIL; @@ -569,7 +632,8 @@ check_fd_cleanup(ErtsDrvEventState *state, #if ERTS_CIO_HAVE_DRV_EVENT ErtsDrvEventDataState **free_event, #endif - ErtsDrvSelectDataState **free_select) + ErtsDrvSelectDataState **free_select, + ErtsNifSelectDataState **free_nif) { erts_aint_t current_cio_time; @@ -586,6 +650,12 @@ check_fd_cleanup(ErtsDrvEventState *state, state->driver.select = NULL; } + *free_nif = NULL; + if (state->driver.nif && (state->type != ERTS_EV_TYPE_NIF)) { + *free_nif = state->driver.nif; + state->driver.nif = NULL; + } + #if ERTS_CIO_HAVE_DRV_EVENT *free_event = NULL; if (state->driver.event @@ -617,12 +687,14 @@ check_cleanup_active_fd(ErtsSysFdType fd, ErtsPollControlEntry *pce, int *pce_ix, #endif - erts_aint_t current_cio_time) + erts_aint_t current_cio_time, + int may_sleep) { ErtsDrvEventState *state; int active = 0; erts_smp_mtx_t *mtx = fd_mtx(fd); void *free_select = NULL; + void *free_nif = NULL; #if ERTS_CIO_HAVE_DRV_EVENT void *free_event = NULL; #endif @@ -682,6 +754,39 @@ check_cleanup_active_fd(ErtsSysFdType fd, } } + if (state->driver.nif) { + ErtsPollEvents rm_events = 0; + if (state->driver.nif->in.ddeselect_cnt) { + ASSERT(state->type == ERTS_EV_TYPE_NIF); + ASSERT(state->events & ERTS_POLL_EV_IN); + ASSERT(is_nil(state->driver.nif->in.pid)); + if (may_sleep || state->driver.nif->in.ddeselect_cnt == 1) { + rm_events = ERTS_POLL_EV_IN; + state->driver.nif->in.ddeselect_cnt = 0; + } + } + if (state->driver.nif->out.ddeselect_cnt) { + ASSERT(state->type == ERTS_EV_TYPE_NIF); + ASSERT(state->events & ERTS_POLL_EV_OUT); + ASSERT(is_nil(state->driver.nif->out.pid)); + if (may_sleep || state->driver.nif->out.ddeselect_cnt == 1) { + rm_events |= ERTS_POLL_EV_OUT; + state->driver.nif->out.ddeselect_cnt = 0; + } + } + if (rm_events) { + int do_wake = 0; + state->events = ERTS_CIO_POLL_CTL(pollset.ps, state->fd, + rm_events, 0, &do_wake); + } + if (state->events) + active = 1; + else if (state->type != ERTS_EV_TYPE_NIF) { + free_nif = state->driver.nif; + state->driver.nif = NULL; + } + } + #if ERTS_CIO_HAVE_DRV_EVENT if (state->driver.event) { if (is_iotask_active(&state->driver.event->iotask, current_cio_time)) { @@ -722,6 +827,8 @@ check_cleanup_active_fd(ErtsSysFdType fd, if (free_select) free_drv_select_data(free_select); + if (free_nif) + free_nif_select_data(free_nif); #if ERTS_CIO_HAVE_DRV_EVENT if (free_event) free_drv_event_data(free_event); @@ -746,7 +853,7 @@ check_cleanup_active_fd(ErtsSysFdType fd, } static void -check_cleanup_active_fds(erts_aint_t current_cio_time) +check_cleanup_active_fds(erts_aint_t current_cio_time, int may_sleep) { int six = pollset.active_fd.six; int eix = pollset.active_fd.eix; @@ -773,7 +880,8 @@ check_cleanup_active_fds(erts_aint_t current_cio_time) pctrl_entries, &pctrl_ix, #endif - current_cio_time)) { + current_cio_time, + may_sleep)) { no--; if (ix == six) { #ifdef DEBUG @@ -807,13 +915,30 @@ check_cleanup_active_fds(erts_aint_t current_cio_time) erts_smp_atomic32_set_relb(&pollset.active_fd.no, no); } +static void grow_active_fds(void) +{ + ASSERT(pollset.active_fd.six == pollset.active_fd.eix); + pollset.active_fd.six = 0; + pollset.active_fd.eix = pollset.active_fd.size; + pollset.active_fd.size += ERTS_ACTIVE_FD_INC; + pollset.active_fd.array = erts_realloc(ERTS_ALC_T_ACTIVE_FD_ARR, + pollset.active_fd.array, + pollset.active_fd.size*sizeof(ErtsSysFdType)); +#ifdef DEBUG + { + int i; + for (i = pollset.active_fd.eix + 1; i < pollset.active_fd.size; i++) + pollset.active_fd.array[i] = ERTS_SYS_FD_INVALID; + } +#endif +} + static ERTS_INLINE void add_active_fd(ErtsSysFdType fd) { int eix = pollset.active_fd.eix; int size = pollset.active_fd.size; - pollset.active_fd.array[eix] = fd; erts_smp_atomic32_set_relb(&pollset.active_fd.no, @@ -823,25 +948,11 @@ add_active_fd(ErtsSysFdType fd) eix++; if (eix >= size) eix = 0; - if (pollset.active_fd.six == eix) { - pollset.active_fd.six = 0; - eix = size; - size += ERTS_ACTIVE_FD_INC; - pollset.active_fd.array = erts_realloc(ERTS_ALC_T_ACTIVE_FD_ARR, - pollset.active_fd.array, - sizeof(ErtsSysFdType)*size); - pollset.active_fd.size = size; -#ifdef DEBUG - { - int i; - for (i = eix + 1; i < size; i++) - pollset.active_fd.array[i] = ERTS_SYS_FD_INVALID; - } -#endif + pollset.active_fd.eix = eix; + if (pollset.active_fd.six == eix) { + grow_active_fds(); } - - pollset.active_fd.eix = eix; } int @@ -863,6 +974,7 @@ ERTS_CIO_EXPORT(driver_select)(ErlDrvPort ix, ErtsDrvEventDataState *free_event = NULL; #endif ErtsDrvSelectDataState *free_select = NULL; + ErtsNifSelectDataState *free_nif = NULL; #ifdef USE_VM_PROBES DTRACE_CHARBUF(name, 64); #endif @@ -878,7 +990,7 @@ ERTS_CIO_EXPORT(driver_select)(ErlDrvPort ix, return -1; } if (fd >= max_fds) { - select_large_fd_error(ix, fd, mode, on); + drv_select_large_fd_error(ix, fd, mode, on); return -1; } grow_drv_ev_state(fd); @@ -916,26 +1028,38 @@ ERTS_CIO_EXPORT(driver_select)(ErlDrvPort ix, } #endif + switch (state->type) { #if ERTS_CIO_HAVE_DRV_EVENT - if (state->type == ERTS_EV_TYPE_DRV_EV) - select_steal(ix, state, mode, on); + case ERTS_EV_TYPE_DRV_EV: #endif - if (state->type == ERTS_EV_TYPE_STOP_USE) { - erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf(); - print_select_op(dsbufp, ix, state->fd, mode, on); - steal_pending_stop_select(dsbufp, ix, state, mode, on); - if (state->type == ERTS_EV_TYPE_STOP_USE) { - ret = 0; - goto done; /* stop_select still pending */ - } - ASSERT(state->type == ERTS_EV_TYPE_NONE); - } + case ERTS_EV_TYPE_NIF: + drv_select_steal(ix, state, mode, on); + break; + case ERTS_EV_TYPE_STOP_USE: { + erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf(); + print_drv_select_op(dsbufp, ix, state->fd, mode, on); + steal_pending_stop_use(dsbufp, ix, state, mode, on); + if (state->type == ERTS_EV_TYPE_STOP_USE) { + ret = 0; + goto done; /* stop_select still pending */ + } + ASSERT(state->type == ERTS_EV_TYPE_NONE); + break; + } + case ERTS_EV_TYPE_STOP_NIF: { + erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf(); + print_drv_select_op(dsbufp, ix, state->fd, mode, on); + steal_pending_stop_nif(dsbufp, NULL, state, mode, on); + ASSERT(state->type == ERTS_EV_TYPE_NONE); + break; + + }} if (mode & ERL_DRV_READ) { if (state->type == ERTS_EV_TYPE_DRV_SEL) { Eterm owner = state->driver.select->inport; if (owner != id && is_not_nil(owner)) - select_steal(ix, state, mode, on); + drv_select_steal(ix, state, mode, on); } ctl_events |= ERTS_POLL_EV_IN; } @@ -943,7 +1067,7 @@ ERTS_CIO_EXPORT(driver_select)(ErlDrvPort ix, if (state->type == ERTS_EV_TYPE_DRV_SEL) { Eterm owner = state->driver.select->outport; if (owner != id && is_not_nil(owner)) - select_steal(ix, state, mode, on); + drv_select_steal(ix, state, mode, on); } ctl_events |= ERTS_POLL_EV_OUT; } @@ -1033,7 +1157,7 @@ ERTS_CIO_EXPORT(driver_select)(ErlDrvPort ix, else { /* Not safe to close fd, postpone stop_select callback. */ state->type = ERTS_EV_TYPE_STOP_USE; - state->driver.drv_ptr = drv_ptr; + state->driver.stop.drv_ptr = drv_ptr; if (drv_ptr->handle) { erts_ddll_reference_referenced_driver(drv_ptr->handle); } @@ -1050,7 +1174,8 @@ done: #if ERTS_CIO_HAVE_DRV_EVENT &free_event, #endif - &free_select); + &free_select, + &free_nif); done_unknown: erts_smp_mtx_unlock(fd_mtx(fd)); @@ -1063,6 +1188,9 @@ done_unknown: } if (free_select) free_drv_select_data(free_select); + if (free_nif) + free_nif_select_data(free_nif); + #if ERTS_CIO_HAVE_DRV_EVENT if (free_event) free_drv_event_data(free_event); @@ -1071,6 +1199,261 @@ done_unknown: } int +ERTS_CIO_EXPORT(enif_select)(ErlNifEnv* env, + ErlNifEvent e, + enum ErlNifSelectFlags mode, + void* obj, + const ErlNifPid* pid, + Eterm ref) +{ + int on; + ErtsResource* resource = DATA_TO_RESOURCE(obj); + ErtsSysFdType fd = (ErtsSysFdType) e; + ErtsPollEvents ctl_events = (ErtsPollEvents) 0; + ErtsPollEvents new_events, old_events; + ErtsDrvEventState *state; + int wake_poller; + int ret; + enum { NO_STOP=0, CALL_STOP, CALL_STOP_AND_RELEASE } call_stop = NO_STOP; +#if ERTS_CIO_HAVE_DRV_EVENT + ErtsDrvEventDataState *free_event = NULL; +#endif + ErtsDrvSelectDataState *free_select = NULL; + ErtsNifSelectDataState *free_nif = NULL; +#ifdef USE_VM_PROBES + DTRACE_CHARBUF(name, 64); +#endif + + ASSERT(!(resource->monitors && resource->monitors->is_dying)); + +#ifdef ERTS_SYS_CONTINOUS_FD_NUMBERS + if ((unsigned)fd >= (unsigned)erts_smp_atomic_read_nob(&drv_ev_state_len)) { + if (fd < 0) { + return INT_MIN | ERL_NIF_SELECT_INVALID_EVENT; + } + if (fd >= max_fds) { + nif_select_large_fd_error(fd, mode, resource, ref); + return INT_MIN | ERL_NIF_SELECT_INVALID_EVENT; + } + grow_drv_ev_state(fd); + } +#endif + + erts_smp_mtx_lock(fd_mtx(fd)); + +#ifdef ERTS_SYS_CONTINOUS_FD_NUMBERS + state = &drv_ev_state[(int) fd]; +#else + state = hash_get_drv_ev_state(fd); /* may be NULL! */ +#endif + + if (mode & ERL_NIF_SELECT_STOP) { + ASSERT(resource->type->stop); + if (IS_FD_UNKNOWN(state)) { + /* fast track to stop callback */ + call_stop = CALL_STOP; + ret = ERL_NIF_SELECT_STOP_CALLED; + goto done_unknown; + } + on = 0; + mode = ERL_DRV_READ | ERL_DRV_WRITE | ERL_DRV_USE; + wake_poller = 1; /* to eject fd from pollset (if needed) */ + ctl_events = ERTS_POLL_EV_IN | ERTS_POLL_EV_OUT; + } + else { + on = 1; + ASSERT(mode); + wake_poller = 0; + if (mode & ERL_DRV_READ) { + ctl_events |= ERTS_POLL_EV_IN; + } + if (mode & ERL_DRV_WRITE) { + ctl_events |= ERTS_POLL_EV_OUT; + } + } + +#ifndef ERTS_SYS_CONTINOUS_FD_NUMBERS + if (state == NULL) { + state = hash_new_drv_ev_state(fd); + } +#endif + + switch (state->type) { + case ERTS_EV_TYPE_NIF: + /* + * Changing resource is considered stealing. + * Changing process and/or ref is ok (I think?). + */ + if (state->driver.stop.resource != resource) + nif_select_steal(state, ERL_DRV_READ | ERL_DRV_WRITE, resource, ref); + break; +#if ERTS_CIO_HAVE_DRV_EVENT + case ERTS_EV_TYPE_DRV_EV: +#endif + case ERTS_EV_TYPE_DRV_SEL: + nif_select_steal(state, mode, resource, ref); + break; + case ERTS_EV_TYPE_STOP_USE: { + erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf(); + print_nif_select_op(dsbufp, fd, mode, resource, ref); + steal_pending_stop_use(dsbufp, ERTS_INVALID_ERL_DRV_PORT, state, mode, on); + ASSERT(state->type == ERTS_EV_TYPE_NONE); + break; + } + case ERTS_EV_TYPE_STOP_NIF: { + erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf(); + print_nif_select_op(dsbufp, fd, mode, resource, ref); + steal_pending_stop_nif(dsbufp, resource, state, mode, on); + if (state->type == ERTS_EV_TYPE_STOP_NIF) { + ret = ERL_NIF_SELECT_STOP_SCHEDULED; /* ?? */ + goto done; + } + ASSERT(state->type == ERTS_EV_TYPE_NONE); + break; + }} + + ASSERT((state->type == ERTS_EV_TYPE_NIF) || + (state->type == ERTS_EV_TYPE_NONE && !state->events)); + + new_events = ERTS_CIO_POLL_CTL(pollset.ps, state->fd, ctl_events, on, &wake_poller); + + if (new_events & (ERTS_POLL_EV_ERR|ERTS_POLL_EV_NVAL)) { + if (state->type == ERTS_EV_TYPE_NIF && !state->events) { + state->type = ERTS_EV_TYPE_NONE; + state->flags &= ~ERTS_EV_FLAG_USED; + state->driver.nif->in.pid = NIL; + state->driver.nif->out.pid = NIL; + state->driver.nif->in.ddeselect_cnt = 0; + state->driver.nif->out.ddeselect_cnt = 0; + state->driver.stop.resource = NULL; + } + ret = INT_MIN | ERL_NIF_SELECT_FAILED; + goto done; + } + + old_events = state->events; + + ASSERT(on + ? (new_events == (state->events | ctl_events)) + : (new_events == (state->events & ~ctl_events))); + + ASSERT(state->type == ERTS_EV_TYPE_NIF + || state->type == ERTS_EV_TYPE_NONE); + + state->events = new_events; + if (on) { + const Eterm recipient = pid ? pid->pid : env->proc->common.id; + Uint32* refn; + if (!state->driver.nif) + state->driver.nif = alloc_nif_select_data(); + if (state->type == ERTS_EV_TYPE_NONE) { + state->type = ERTS_EV_TYPE_NIF; + state->driver.stop.resource = resource; + enif_keep_resource(resource->data); + } + ASSERT(state->type == ERTS_EV_TYPE_NIF); + ASSERT(state->driver.stop.resource == resource); + if (ctl_events & ERTS_POLL_EV_IN) { + state->driver.nif->in.pid = recipient; + if (is_immed(ref)) { + state->driver.nif->in.immed = ref; + } else { + ASSERT(is_internal_ref(ref)); + refn = internal_ref_numbers(ref); + state->driver.nif->in.immed = THE_NON_VALUE; + state->driver.nif->in.refn[0] = refn[0]; + state->driver.nif->in.refn[1] = refn[1]; + state->driver.nif->in.refn[2] = refn[2]; + } + state->driver.nif->in.ddeselect_cnt = 0; + } + if (ctl_events & ERTS_POLL_EV_OUT) { + state->driver.nif->out.pid = recipient; + if (is_immed(ref)) { + state->driver.nif->out.immed = ref; + } else { + ASSERT(is_internal_ref(ref)); + refn = internal_ref_numbers(ref); + state->driver.nif->out.immed = THE_NON_VALUE; + state->driver.nif->out.refn[0] = refn[0]; + state->driver.nif->out.refn[1] = refn[1]; + state->driver.nif->out.refn[2] = refn[2]; + } + state->driver.nif->out.ddeselect_cnt = 0; + } + ret = 0; + } + else { /* off */ + if (state->type == ERTS_EV_TYPE_NIF) { + state->driver.nif->in.pid = NIL; + state->driver.nif->out.pid = NIL; + state->driver.nif->in.ddeselect_cnt = 0; + state->driver.nif->out.ddeselect_cnt = 0; + if (old_events != 0) { + remember_removed(state, &pollset); + } + } + ASSERT(new_events==0); + if (state->remove_cnt == 0 || !wake_poller) { + /* + * Safe to close fd now as it is not in pollset + * or there was no need to eject fd (kernel poll) + */ + if (state->type == ERTS_EV_TYPE_NIF) { + ASSERT(state->driver.stop.resource == resource); + call_stop = CALL_STOP_AND_RELEASE; + state->driver.stop.resource = NULL; + } + else { + ASSERT(!state->driver.stop.resource); + call_stop = CALL_STOP; + } + state->type = ERTS_EV_TYPE_NONE; + ret = ERL_NIF_SELECT_STOP_CALLED; + } + else { + /* Not safe to close fd, postpone stop_select callback. */ + if (state->type == ERTS_EV_TYPE_NONE) { + ASSERT(!state->driver.stop.resource); + state->driver.stop.resource = resource; + enif_keep_resource(resource); + } + state->type = ERTS_EV_TYPE_STOP_NIF; + ret = ERL_NIF_SELECT_STOP_SCHEDULED; + } + } + +done: + + check_fd_cleanup(state, +#if ERTS_CIO_HAVE_DRV_EVENT + &free_event, +#endif + &free_select, + &free_nif); + +done_unknown: + erts_smp_mtx_unlock(fd_mtx(fd)); + if (call_stop) { + erts_resource_stop(resource, (ErlNifEvent)fd, 1); + if (call_stop == CALL_STOP_AND_RELEASE) { + enif_release_resource(resource->data); + } + } + if (free_select) + free_drv_select_data(free_select); + if (free_nif) + free_nif_select_data(free_nif); + +#if ERTS_CIO_HAVE_DRV_EVENT + if (free_event) + free_drv_event_data(free_event); +#endif + return ret; +} + + +int ERTS_CIO_EXPORT(driver_event)(ErlDrvPort ix, ErlDrvEvent e, ErlDrvEventData event_data) @@ -1090,6 +1473,7 @@ ERTS_CIO_EXPORT(driver_event)(ErlDrvPort ix, ErtsDrvEventDataState *free_event; #endif ErtsDrvSelectDataState *free_select; + ErtsNifSelectDataState *free_nif; Port *prt = erts_drvport2port(ix); if (prt == ERTS_INVALID_ERL_DRV_PORT) @@ -1126,12 +1510,12 @@ ERTS_CIO_EXPORT(driver_event)(ErlDrvPort ix, if (state->driver.event->port == id) break; /*fall through*/ case ERTS_EV_TYPE_DRV_SEL: - event_steal(ix, state, event_data); + drv_event_steal(ix, state, event_data); break; case ERTS_EV_TYPE_STOP_USE: { erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf(); - print_event_op(dsbufp, ix, fd, event_data); - steal_pending_stop_select(dsbufp, ix, state, 0, 1); + print_drv_event_op(dsbufp, ix, fd, event_data); + steal_pending_stop_use(dsbufp, ix, state, 0, 1); break; } } @@ -1199,12 +1583,15 @@ done: #if ERTS_CIO_HAVE_DRV_EVENT &free_event, #endif - &free_select); + &free_select, + &free_nif); erts_smp_mtx_unlock(fd_mtx(fd)); if (free_select) free_drv_select_data(free_select); + if (free_nif) + free_nif_select_data(free_nif); #if ERTS_CIO_HAVE_DRV_EVENT if (free_event) free_drv_event_data(free_event); @@ -1240,13 +1627,19 @@ need2steal(ErtsDrvEventState *state, int mode) state, ERL_DRV_WRITE); break; + case ERTS_EV_TYPE_NIF: + ASSERT(state->driver.stop.resource); + do_steal = 1; + break; + #if ERTS_CIO_HAVE_DRV_EVENT case ERTS_EV_TYPE_DRV_EV: do_steal |= chk_stale(state->driver.event->port, state, 0); break; #endif case ERTS_EV_TYPE_STOP_USE: - ASSERT(0); + case ERTS_EV_TYPE_STOP_NIF: + ASSERT(0); break; default: break; @@ -1307,6 +1700,25 @@ steal(erts_dsprintf_buf_t *dsbufp, ErtsDrvEventState *state, int mode) erts_dsprintf(dsbufp, "\n"); break; } + case ERTS_EV_TYPE_NIF: { + Eterm iid = state->driver.nif->in.pid; + Eterm oid = state->driver.nif->out.pid; + const char* with = "with"; + ErlNifResourceType* rt = state->driver.stop.resource->type; + + erts_dsprintf(dsbufp, "resource %T:%T", rt->module, rt->name); + + if (is_not_nil(iid)) { + erts_dsprintf(dsbufp, " %s in-pid %T", with, iid); + with = "and"; + } + if (is_not_nil(oid)) { + erts_dsprintf(dsbufp, " %s out-pid %T", with, oid); + } + deselect(state, 0); + erts_dsprintf(dsbufp, "\n"); + break; + } #if ERTS_CIO_HAVE_DRV_EVENT case ERTS_EV_TYPE_DRV_EV: { Eterm eid = state->driver.event->port; @@ -1324,7 +1736,8 @@ steal(erts_dsprintf_buf_t *dsbufp, ErtsDrvEventState *state, int mode) break; } #endif - case ERTS_EV_TYPE_STOP_USE: { + case ERTS_EV_TYPE_STOP_USE: + case ERTS_EV_TYPE_STOP_NIF: { ASSERT(0); break; } @@ -1335,8 +1748,8 @@ steal(erts_dsprintf_buf_t *dsbufp, ErtsDrvEventState *state, int mode) } static void -print_select_op(erts_dsprintf_buf_t *dsbufp, - ErlDrvPort ix, ErtsSysFdType fd, int mode, int on) +print_drv_select_op(erts_dsprintf_buf_t *dsbufp, + ErlDrvPort ix, ErtsSysFdType fd, int mode, int on) { Port *pp = erts_drvport2port(ix); erts_dsprintf(dsbufp, @@ -1354,11 +1767,40 @@ print_select_op(erts_dsprintf_buf_t *dsbufp, } static void -select_steal(ErlDrvPort ix, ErtsDrvEventState *state, int mode, int on) +print_nif_select_op(erts_dsprintf_buf_t *dsbufp, + ErtsSysFdType fd, int mode, + ErtsResource* resource, Eterm ref) +{ + erts_dsprintf(dsbufp, + "enif_select(_, %d,%s%s%s, %T:%T, %T) ", + (int) GET_FD(fd), + mode & ERL_NIF_SELECT_READ ? " READ" : "", + mode & ERL_NIF_SELECT_WRITE ? " WRITE" : "", + mode & ERL_NIF_SELECT_STOP ? " STOP" : "", + resource->type->module, + resource->type->name, + ref); +} + + +static void +drv_select_steal(ErlDrvPort ix, ErtsDrvEventState *state, int mode, int on) { if (need2steal(state, mode)) { erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf(); - print_select_op(dsbufp, ix, state->fd, mode, on); + print_drv_select_op(dsbufp, ix, state->fd, mode, on); + steal(dsbufp, state, mode); + erts_send_error_to_logger_nogl(dsbufp); + } +} + +static void +nif_select_steal(ErtsDrvEventState *state, int mode, + ErtsResource* resource, Eterm ref) +{ + if (need2steal(state, mode)) { + erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf(); + print_nif_select_op(dsbufp, state->fd, mode, resource, ref); steal(dsbufp, state, mode); erts_send_error_to_logger_nogl(dsbufp); } @@ -1374,10 +1816,20 @@ large_fd_error_common(erts_dsprintf_buf_t *dsbufp, ErtsSysFdType fd) } static void -select_large_fd_error(ErlDrvPort ix, ErtsSysFdType fd, int mode, int on) +drv_select_large_fd_error(ErlDrvPort ix, ErtsSysFdType fd, int mode, int on) { erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf(); - print_select_op(dsbufp, ix, fd, mode, on); + print_drv_select_op(dsbufp, ix, fd, mode, on); + erts_dsprintf(dsbufp, "failed: "); + large_fd_error_common(dsbufp, fd); + erts_send_error_to_logger_nogl(dsbufp); +} +static void +nif_select_large_fd_error(ErtsSysFdType fd, int mode, + ErtsResource* resource, Eterm ref) +{ + erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf(); + print_nif_select_op(dsbufp, fd, mode, resource, ref); erts_dsprintf(dsbufp, "failed: "); large_fd_error_common(dsbufp, fd); erts_send_error_to_logger_nogl(dsbufp); @@ -1387,41 +1839,81 @@ select_large_fd_error(ErlDrvPort ix, ErtsSysFdType fd, int mode, int on) static void -steal_pending_stop_select(erts_dsprintf_buf_t *dsbufp, ErlDrvPort ix, - ErtsDrvEventState *state, int mode, int on) +steal_pending_stop_use(erts_dsprintf_buf_t *dsbufp, ErlDrvPort ix, + ErtsDrvEventState *state, int mode, int on) { + int cancel = 0; ASSERT(state->type == ERTS_EV_TYPE_STOP_USE); - erts_dsprintf(dsbufp, "failed: fd=%d (re)selected before stop_select " - "was called for driver %s\n", - (int) GET_FD(state->fd), state->driver.drv_ptr->name); - erts_send_error_to_logger_nogl(dsbufp); if (on) { /* Either fd-owner changed its mind about closing * or closed fd before stop_select callback and fd is now reused. * In either case stop_select should not be called. - */ - state->type = ERTS_EV_TYPE_NONE; - state->flags &= ~ERTS_EV_FLAG_USED; - if (state->driver.drv_ptr->handle) { - erts_ddll_dereference_driver(state->driver.drv_ptr->handle); - } - state->driver.drv_ptr = NULL; + */ + cancel = 1; } else if ((mode & ERL_DRV_USE_NO_CALLBACK) == ERL_DRV_USE) { Port *prt = erts_drvport2port(ix); - erts_driver_t* drv_ptr = prt != ERTS_INVALID_ERL_DRV_PORT ? prt->drv_ptr : NULL; - if (drv_ptr && drv_ptr != state->driver.drv_ptr) { - /* Some other driver wants the stop_select callback */ - if (state->driver.drv_ptr->handle) { - erts_ddll_dereference_driver(state->driver.drv_ptr->handle); - } - if (drv_ptr->handle) { - erts_ddll_reference_referenced_driver(drv_ptr->handle); - } - state->driver.drv_ptr = drv_ptr; - } + if (prt == ERTS_INVALID_ERL_DRV_PORT + || prt->drv_ptr != state->driver.stop.drv_ptr) { + /* Some other driver or nif wants the stop_select callback */ + cancel = 1; + } + } + + if (cancel) { + erts_dsprintf(dsbufp, "called before stop_select was called for driver '%s'\n", + state->driver.stop.drv_ptr->name); + if (state->driver.stop.drv_ptr->handle) { + erts_ddll_dereference_driver(state->driver.stop.drv_ptr->handle); + } + state->type = ERTS_EV_TYPE_NONE; + state->flags &= ~ERTS_EV_FLAG_USED; + state->driver.stop.drv_ptr = NULL; } + else { + erts_dsprintf(dsbufp, "ignored repeated call\n"); + } + erts_send_error_to_logger_nogl(dsbufp); +} + +static void +steal_pending_stop_nif(erts_dsprintf_buf_t *dsbufp, ErtsResource* resource, + ErtsDrvEventState *state, int mode, int on) +{ + int cancel = 0; + + ASSERT(state->type == ERTS_EV_TYPE_STOP_NIF); + ASSERT(state->driver.stop.resource); + + if (on) { + ASSERT(mode & (ERL_NIF_SELECT_READ | ERL_NIF_SELECT_WRITE)); + /* Either fd-owner changed its mind about closing + * or closed fd before stop callback and fd is now reused. + * In either case, stop should not be called. + */ + cancel = 1; + } + else if ((mode & ERL_DRV_USE_NO_CALLBACK) == ERL_DRV_USE + && resource != state->driver.stop.resource) { + /* Some driver or other resource wants the stop callback */ + cancel = 1; + } + + if (cancel) { + ErlNifResourceType* rt = state->driver.stop.resource->type; + erts_dsprintf(dsbufp, "called before stop was called for NIF resource %T:%T\n", + rt->module, rt->name); + + enif_release_resource(state->driver.stop.resource); + state->type = ERTS_EV_TYPE_NONE; + state->flags &= ~ERTS_EV_FLAG_USED; + state->driver.stop.resource = NULL; + } + else { + erts_dsprintf(dsbufp, "ignored repeated call\n"); + } + erts_send_error_to_logger_nogl(dsbufp); } @@ -1429,8 +1921,8 @@ steal_pending_stop_select(erts_dsprintf_buf_t *dsbufp, ErlDrvPort ix, #if ERTS_CIO_HAVE_DRV_EVENT static void -print_event_op(erts_dsprintf_buf_t *dsbufp, - ErlDrvPort ix, ErtsSysFdType fd, ErlDrvEventData event_data) +print_drv_event_op(erts_dsprintf_buf_t *dsbufp, + ErlDrvPort ix, ErtsSysFdType fd, ErlDrvEventData event_data) { Port *pp = erts_drvport2port(ix); erts_dsprintf(dsbufp, "driver_event(%p, %d, ", ix, (int) fd); @@ -1447,11 +1939,11 @@ print_event_op(erts_dsprintf_buf_t *dsbufp, } static void -event_steal(ErlDrvPort ix, ErtsDrvEventState *state, ErlDrvEventData event_data) +drv_event_steal(ErlDrvPort ix, ErtsDrvEventState *state, ErlDrvEventData event_data) { if (need2steal(state, ERL_DRV_READ|ERL_DRV_WRITE)) { erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf(); - print_event_op(dsbufp, ix, state->fd, event_data); + print_drv_event_op(dsbufp, ix, state->fd, event_data); steal(dsbufp, state, ERL_DRV_READ|ERL_DRV_WRITE); erts_send_error_to_logger_nogl(dsbufp); } @@ -1466,7 +1958,7 @@ static void event_large_fd_error(ErlDrvPort ix, ErtsSysFdType fd, ErlDrvEventData event_data) { erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf(); - print_event_op(dsbufp, ix, fd, event_data); + print_drv_event_op(dsbufp, ix, fd, event_data); erts_dsprintf(dsbufp, "failed: "); large_fd_error_common(dsbufp, fd); erts_send_error_to_logger_nogl(dsbufp); @@ -1553,6 +2045,55 @@ oready(Eterm id, ErtsDrvEventState *state, erts_aint_t current_cio_time) } } +static ERTS_INLINE void +send_event_tuple(struct erts_nif_select_event* e, ErtsResource* resource, + Eterm event_atom) +{ + Process* rp = erts_proc_lookup(e->pid); + ErtsProcLocks rp_locks = 0; + ErtsMessage* mp; + ErlOffHeap* ohp; + ErtsBinary* bin; + Eterm* hp; + Uint hsz; + Eterm resource_term, ref_term, tuple; + + if (!rp) { + return; + } + + bin = ERTS_MAGIC_BIN_FROM_UNALIGNED_DATA(resource); + + /* {select, Resource, Ref, EventAtom} */ + if (is_value(e->immed)) { + hsz = 5 + ERTS_MAGIC_REF_THING_SIZE; + } + else { + hsz = 5 + ERTS_MAGIC_REF_THING_SIZE + ERTS_REF_THING_SIZE; + } + + mp = erts_alloc_message_heap(rp, &rp_locks, hsz, &hp, &ohp); + + resource_term = erts_mk_magic_ref(&hp, ohp, &bin->binary); + if (is_value(e->immed)) { + ASSERT(is_immed(e->immed)); + ref_term = e->immed; + } + else { + write_ref_thing(hp, e->refn[0], e->refn[1], e->refn[2]); + ref_term = make_internal_ref(hp); + hp += ERTS_REF_THING_SIZE; + } + tuple = TUPLE4(hp, am_select, resource_term, ref_term, event_atom); + + ERL_MESSAGE_TOKEN(mp) = am_undefined; + erts_queue_message(rp, rp_locks, mp, tuple, am_system); + + if (rp_locks) + erts_smp_proc_unlock(rp, rp_locks); +} + + #if ERTS_CIO_HAVE_DRV_EVENT static ERTS_INLINE void eready(Eterm id, ErtsDrvEventState *state, ErlDrvEventData event_data, @@ -1575,7 +2116,7 @@ eready(Eterm id, ErtsDrvEventState *state, ErlDrvEventData event_data, } #endif -static void bad_fd_in_pollset( ErtsDrvEventState *, Eterm, Eterm, ErtsPollEvents); +static void bad_fd_in_pollset(ErtsDrvEventState *, Eterm inport, Eterm outport); #ifdef ERTS_POLL_NEED_ASYNC_INTERRUPT_SUPPORT void @@ -1598,6 +2139,17 @@ ERTS_CIO_EXPORT(erts_check_io_interrupt_timed)(int set, ERTS_CIO_POLL_INTR_TMD(pollset.ps, set, timeout_time); } +#if !ERTS_CIO_DEFER_ACTIVE_EVENTS +/* + * Number of ignored events, for a lingering fd added by enif_select(), + * until we deselect fd-event from pollset. + */ +# define ERTS_NIF_DELAYED_DESELECT 20 +#else +/* Disable delayed deselect as pollset cannot handle active events */ +# define ERTS_NIF_DELAYED_DESELECT 1 +#endif + void ERTS_CIO_EXPORT(erts_check_io)(int do_wait) { @@ -1631,7 +2183,8 @@ ERTS_CIO_EXPORT(erts_check_io)(int do_wait) current_cio_time++; erts_smp_atomic_set_relb(&erts_check_io_time, current_cio_time); - check_cleanup_active_fds(current_cio_time); + check_cleanup_active_fds(current_cio_time, + timeout_time != ERTS_POLL_NO_TIMEOUT); #ifdef ERTS_ENABLE_LOCK_CHECK erts_lc_check_exact(NULL, 0); /* No locks should be locked */ @@ -1699,31 +2252,22 @@ ERTS_CIO_EXPORT(erts_check_io)(int do_wait) switch (state->type) { case ERTS_EV_TYPE_DRV_SEL: { /* Requested via driver_select()... */ - ErtsPollEvents revents; - ErtsPollEvents revent_mask; - - revent_mask = ~(ERTS_POLL_EV_IN|ERTS_POLL_EV_OUT); - revent_mask |= state->events; - revents = pollres[i].events & revent_mask; - - if (revents & ERTS_POLL_EV_ERR) { - /* - * Let the driver handle the error condition. Only input, - * only output, or nothing might have been selected. - * We *do not* want to call a callback that corresponds - * to an event not selected. revents might give us a clue - * on which one to call. - */ - if ((revents & ERTS_POLL_EV_IN) - || (!(revents & ERTS_POLL_EV_OUT) - && state->events & ERTS_POLL_EV_IN)) { - iready(state->driver.select->inport, state, current_cio_time); - } - else if (state->events & ERTS_POLL_EV_OUT) { - oready(state->driver.select->outport, state, current_cio_time); - } - } - else if (revents & (ERTS_POLL_EV_IN|ERTS_POLL_EV_OUT)) { + ErtsPollEvents revents = pollres[i].events; + + if (revents & ERTS_POLL_EV_ERR) { + /* + * Handle error events by triggering all in/out events + * that the driver has selected. + * We *do not* want to call a callback that corresponds + * to an event not selected. + */ + revents = state->events; + } + else { + revents &= (state->events | ERTS_POLL_EV_NVAL); + } + + if (revents & (ERTS_POLL_EV_IN|ERTS_POLL_EV_OUT)) { if (revents & ERTS_POLL_EV_OUT) { oready(state->driver.select->outport, state, current_cio_time); } @@ -1731,21 +2275,84 @@ ERTS_CIO_EXPORT(erts_check_io)(int do_wait) was read (true also on the non-smp emulator since oready() may have been called); therefore, update revents... */ - revents &= ~(~state->events & ERTS_POLL_EV_IN); + revents &= state->events; if (revents & ERTS_POLL_EV_IN) { iready(state->driver.select->inport, state, current_cio_time); } } else if (revents & ERTS_POLL_EV_NVAL) { bad_fd_in_pollset(state, - state->driver.select->inport, - state->driver.select->outport, - state->events); + state->driver.select->inport, + state->driver.select->outport); add_active_fd(state->fd); } break; } + case ERTS_EV_TYPE_NIF: { /* Requested via enif_select()... */ + struct erts_nif_select_event in = {NIL}; + struct erts_nif_select_event out = {NIL}; + ErtsResource* resource; + ErtsPollEvents revents = pollres[i].events; + + if (revents & ERTS_POLL_EV_ERR) { + /* + * Handle error events by triggering all in/out events + * that the NIF has selected. + * We *do not* want to send a message that corresponds + * to an event not selected. + */ + revents = state->events; + } + else { + revents &= (state->events | ERTS_POLL_EV_NVAL); + } + + if (revents & (ERTS_POLL_EV_IN|ERTS_POLL_EV_OUT)) { + if (revents & ERTS_POLL_EV_OUT) { + if (is_not_nil(state->driver.nif->out.pid)) { + out = state->driver.nif->out; + resource = state->driver.stop.resource; + state->driver.nif->out.ddeselect_cnt = ERTS_NIF_DELAYED_DESELECT; + state->driver.nif->out.pid = NIL; + add_active_fd(state->fd); + } + else { + ASSERT(state->driver.nif->out.ddeselect_cnt >= 2); + state->driver.nif->out.ddeselect_cnt--; + } + } + if (revents & ERTS_POLL_EV_IN) { + if (is_not_nil(state->driver.nif->in.pid)) { + in = state->driver.nif->in; + resource = state->driver.stop.resource; + state->driver.nif->in.ddeselect_cnt = ERTS_NIF_DELAYED_DESELECT; + state->driver.nif->in.pid = NIL; + add_active_fd(state->fd); + } + else { + ASSERT(state->driver.nif->in.ddeselect_cnt >= 2); + state->driver.nif->in.ddeselect_cnt--; + } + } + } + else if (revents & ERTS_POLL_EV_NVAL) { + bad_fd_in_pollset(state, NIL, NIL); + add_active_fd(state->fd); + } + +#ifdef ERTS_SMP + erts_smp_mtx_unlock(fd_mtx(fd)); +#endif + if (is_not_nil(in.pid)) { + send_event_tuple(&in, resource, am_ready_input); + } + if (is_not_nil(out.pid)) { + send_event_tuple(&out, resource, am_ready_output); + } + goto next_pollres_unlocked; + } + #if ERTS_CIO_HAVE_DRV_EVENT case ERTS_EV_TYPE_DRV_EV: { /* Requested via driver_event()... */ ErlDrvEventData event_data; @@ -1786,6 +2393,7 @@ ERTS_CIO_EXPORT(erts_check_io)(int do_wait) #ifdef ERTS_SMP erts_smp_mtx_unlock(fd_mtx(fd)); #endif + next_pollres_unlocked:; } erts_smp_atomic_set_nob(&pollset.in_poll_wait, 0); @@ -1794,9 +2402,9 @@ ERTS_CIO_EXPORT(erts_check_io)(int do_wait) } static void -bad_fd_in_pollset(ErtsDrvEventState *state, Eterm inport, - Eterm outport, ErtsPollEvents events) +bad_fd_in_pollset(ErtsDrvEventState *state, Eterm inport, Eterm outport) { + ErtsPollEvents events = state->events; erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf(); if (events & (ERTS_POLL_EV_IN|ERTS_POLL_EV_OUT)) { @@ -1820,27 +2428,36 @@ bad_fd_in_pollset(ErtsDrvEventState *state, Eterm inport, erts_dsprintf(dsbufp, "Bad %s fd in erts_poll()! fd=%d, ", io_str, (int) state->fd); - if (is_nil(port)) { - ErtsPortNames *ipnp = erts_get_port_names(inport, ERTS_INVALID_ERL_DRV_PORT); - ErtsPortNames *opnp = erts_get_port_names(outport, ERTS_INVALID_ERL_DRV_PORT); - erts_dsprintf(dsbufp, "ports=%T/%T, drivers=%s/%s, names=%s/%s\n", - is_nil(inport) ? am_undefined : inport, - is_nil(outport) ? am_undefined : outport, - ipnp->driver_name ? ipnp->driver_name : "<unknown>", - opnp->driver_name ? opnp->driver_name : "<unknown>", - ipnp->name ? ipnp->name : "<unknown>", - opnp->name ? opnp->name : "<unknown>"); - erts_free_port_names(ipnp); - erts_free_port_names(opnp); - } - else { - ErtsPortNames *pnp = erts_get_port_names(port, ERTS_INVALID_ERL_DRV_PORT); - erts_dsprintf(dsbufp, "port=%T, driver=%s, name=%s\n", - is_nil(port) ? am_undefined : port, - pnp->driver_name ? pnp->driver_name : "<unknown>", - pnp->name ? pnp->name : "<unknown>"); - erts_free_port_names(pnp); - } + if (state->type == ERTS_EV_TYPE_DRV_SEL) { + if (is_nil(port)) { + ErtsPortNames *ipnp = erts_get_port_names(inport, ERTS_INVALID_ERL_DRV_PORT); + ErtsPortNames *opnp = erts_get_port_names(outport, ERTS_INVALID_ERL_DRV_PORT); + erts_dsprintf(dsbufp, "ports=%T/%T, drivers=%s/%s, names=%s/%s\n", + is_nil(inport) ? am_undefined : inport, + is_nil(outport) ? am_undefined : outport, + ipnp->driver_name ? ipnp->driver_name : "<unknown>", + opnp->driver_name ? opnp->driver_name : "<unknown>", + ipnp->name ? ipnp->name : "<unknown>", + opnp->name ? opnp->name : "<unknown>"); + erts_free_port_names(ipnp); + erts_free_port_names(opnp); + } + else { + ErtsPortNames *pnp = erts_get_port_names(port, ERTS_INVALID_ERL_DRV_PORT); + erts_dsprintf(dsbufp, "port=%T, driver=%s, name=%s\n", + is_nil(port) ? am_undefined : port, + pnp->driver_name ? pnp->driver_name : "<unknown>", + pnp->name ? pnp->name : "<unknown>"); + erts_free_port_names(pnp); + } + } + else { + ErlNifResourceType* rt; + ASSERT(state->type == ERTS_EV_TYPE_NIF); + ASSERT(state->driver.stop.resource); + rt = state->driver.stop.resource->type; + erts_dsprintf(dsbufp, "resource={%T,%T}\n", rt->module, rt->name); + } } else { erts_dsprintf(dsbufp, "Bad fd in erts_poll()! fd=%d\n", (int) state->fd); @@ -1905,6 +2522,10 @@ static void drv_ev_state_free(void *des) void ERTS_CIO_EXPORT(erts_init_check_io)(void) { + ERTS_CT_ASSERT((INT_MIN & (ERL_NIF_SELECT_STOP_CALLED | + ERL_NIF_SELECT_STOP_SCHEDULED | + ERL_NIF_SELECT_INVALID_EVENT | + ERL_NIF_SELECT_FAILED)) == 0); erts_smp_atomic_init_nob(&erts_check_io_time, 0); erts_smp_atomic_init_nob(&pollset.in_poll_wait, 0); @@ -2311,6 +2932,39 @@ static void doit_erts_check_io_debug(void *vstate, void *vcounters) } } } + else if (state->type == ERTS_EV_TYPE_NIF) { + ErtsResource* r; + erts_printf("enif_select "); + +#ifdef ERTS_SYS_CONTINOUS_FD_NUMBERS + if (internal) { + erts_printf("internal "); + err = 1; + } + + if (cio_events == ep_events) { + erts_printf("ev="); + if (print_events(cio_events) != 0) + err = 1; + } + else { + err = 1; + erts_printf("cio_ev="); + print_events(cio_events); + erts_printf(" ep_ev="); + print_events(ep_events); + } +#else + if (print_events(cio_events) != 0) + err = 1; +#endif + erts_printf(" inpid=%T dd_cnt=%b32d", state->driver.nif->in.pid, + state->driver.nif->in.ddeselect_cnt); + erts_printf(" outpid=%T dd_cnt=%b32d", state->driver.nif->out.pid, + state->driver.nif->out.ddeselect_cnt); + r = state->driver.stop.resource; + erts_printf(" resource=%p(%T:%T)", r, r->type->module, r->type->name); + } #if ERTS_CIO_HAVE_DRV_EVENT else if (state->type == ERTS_EV_TYPE_DRV_EV) { Eterm id; @@ -2367,11 +3021,12 @@ static void doit_erts_check_io_debug(void *vstate, void *vcounters) erts_printf("control_type=%d ", (int)state->type); #ifdef ERTS_SYS_CONTINOUS_FD_NUMBERS if (cio_events == ep_events) { - erts_printf("ev=0x%b32x", (Uint32) cio_events); + erts_printf("ev="); + print_events(cio_events); } else { - erts_printf("cio_ev=0x%b32x", (Uint32) cio_events); - erts_printf(" ep_ev=0x%b32x", (Uint32) ep_events); + erts_printf("cio_ev="); print_events(cio_events); + erts_printf(" ep_ev="); print_events(ep_events); } #else erts_printf("ev=0x%b32x", (Uint32) cio_events); @@ -2400,7 +3055,7 @@ ERTS_CIO_EXPORT(erts_check_io_debug)(ErtsCheckIoDebugInfo *ciodip) #if ERTS_CIO_HAVE_DRV_EVENT null_des.driver.event = NULL; #endif - null_des.driver.drv_ptr = NULL; + null_des.driver.stop.drv_ptr = NULL; null_des.events = 0; null_des.remove_cnt = 0; null_des.type = ERTS_EV_TYPE_NONE; diff --git a/erts/emulator/sys/common/erl_check_io.h b/erts/emulator/sys/common/erl_check_io.h index 14f1ea3f43..f02d6c1f62 100644 --- a/erts/emulator/sys/common/erl_check_io.h +++ b/erts/emulator/sys/common/erl_check_io.h @@ -34,6 +34,8 @@ int driver_select_kp(ErlDrvPort, ErlDrvEvent, int, int); int driver_select_nkp(ErlDrvPort, ErlDrvEvent, int, int); +int enif_select_kp(ErlNifEnv*, ErlNifEvent, enum ErlNifSelectFlags, void*, const ErlNifPid*, Eterm); +int enif_select_nkp(ErlNifEnv*, ErlNifEvent, enum ErlNifSelectFlags, void*, const ErlNifPid*, Eterm); int driver_event_kp(ErlDrvPort, ErlDrvEvent, ErlDrvEventData); int driver_event_nkp(ErlDrvPort, ErlDrvEvent, ErlDrvEventData); Uint erts_check_io_size_kp(void); @@ -136,4 +138,20 @@ typedef struct { ErtsIoTask iniotask; ErtsIoTask outiotask; } ErtsDrvSelectDataState; + +struct erts_nif_select_event { + Eterm pid; + Eterm immed; + Uint32 refn[ERTS_REF_NUMBERS]; + Sint32 ddeselect_cnt; /* 0: No delayed deselect in progress + * 1: Do deselect before next poll + * >1: Countdown of ignored events + */ +}; + +typedef struct { + struct erts_nif_select_event in; + struct erts_nif_select_event out; +} ErtsNifSelectDataState; + #endif /* #ifndef ERL_CHECK_IO_INTERNAL__ */ diff --git a/erts/emulator/sys/common/erl_mseg.c b/erts/emulator/sys/common/erl_mseg.c index 4dd986f4c8..1e05fd3490 100644 --- a/erts/emulator/sys/common/erl_mseg.c +++ b/erts/emulator/sys/common/erl_mseg.c @@ -378,7 +378,7 @@ static ERTS_INLINE int cache_bless_segment(ErtsMsegAllctr_t *ma, void *seg, UWor ASSERT(!MSEG_FLG_IS_2POW(flags) || (MSEG_FLG_IS_2POW(flags) && MAP_IS_ALIGNED(seg) && IS_2POW(size))); - /* The idea is that sbc caching is prefered over mbc caching. + /* The idea is that sbc caching is preferred over mbc caching. * Blocks are normally allocated in mb carriers and thus cached there. * Large blocks has no such cache and it is up to mseg to cache them to speed things up. */ diff --git a/erts/emulator/sys/common/erl_poll.c b/erts/emulator/sys/common/erl_poll.c index b8a28bcc18..5e7ae8953a 100644 --- a/erts/emulator/sys/common/erl_poll.c +++ b/erts/emulator/sys/common/erl_poll.c @@ -51,7 +51,6 @@ #ifndef WANT_NONBLOCKING # define WANT_NONBLOCKING #endif -#define ERTS_WANT_GOT_SIGUSR1 #include "erl_poll.h" #if ERTS_POLL_USE_KQUEUE diff --git a/erts/emulator/sys/unix/erl_child_setup.h b/erts/emulator/sys/unix/erl_child_setup.h index a28b136bfc..b61e557ddf 100644 --- a/erts/emulator/sys/unix/erl_child_setup.h +++ b/erts/emulator/sys/unix/erl_child_setup.h @@ -17,7 +17,7 @@ * * %CopyrightEnd% * - * This file defines the interface inbetween erts and child_setup. + * This file defines the interface between erts and child_setup. */ #ifndef _ERL_UNIX_FORKER_H diff --git a/erts/emulator/sys/unix/sys.c b/erts/emulator/sys/unix/sys.c index e135dbff99..e836f9bcc8 100644 --- a/erts/emulator/sys/unix/sys.c +++ b/erts/emulator/sys/unix/sys.c @@ -50,7 +50,6 @@ #endif #define ERTS_WANT_BREAK_HANDLING -#define ERTS_WANT_GOT_SIGUSR1 #define WANT_NONBLOCKING /* must define this to pull in defs from sys.h */ #include "sys.h" #include "erl_thr_progress.h" @@ -96,18 +95,10 @@ static int debug_log = 0; #endif #ifdef ERTS_SMP -erts_smp_atomic32_t erts_got_sigusr1; -#define ERTS_SET_GOT_SIGUSR1 \ - erts_smp_atomic32_set_mb(&erts_got_sigusr1, 1) -#define ERTS_UNSET_GOT_SIGUSR1 \ - erts_smp_atomic32_set_mb(&erts_got_sigusr1, 0) static erts_smp_atomic32_t have_prepared_crash_dump; #define ERTS_PREPARED_CRASH_DUMP \ ((int) erts_smp_atomic32_xchg_nob(&have_prepared_crash_dump, 1)) #else -volatile int erts_got_sigusr1; -#define ERTS_SET_GOT_SIGUSR1 (erts_got_sigusr1 = 1) -#define ERTS_UNSET_GOT_SIGUSR1 (erts_got_sigusr1 = 0) static volatile int have_prepared_crash_dump; #define ERTS_PREPARED_CRASH_DUMP \ (have_prepared_crash_dump++) @@ -116,7 +107,7 @@ static volatile int have_prepared_crash_dump; erts_smp_atomic_t sys_misc_mem_sz; #if defined(ERTS_SMP) -static void smp_sig_notify(char c); +static void smp_sig_notify(int signum); static int sig_notify_fds[2] = {-1, -1}; #ifdef ERTS_SYS_SUSPEND_SIGNAL @@ -152,7 +143,7 @@ volatile int erts_break_requested = 0; static struct termios initial_tty_mode; static int replace_intr = 0; /* assume yes initially, ttsl_init will clear it */ -int using_oldshell = 1; +int using_oldshell = 1; #ifdef ERTS_ENABLE_KERNEL_POLL @@ -160,6 +151,7 @@ int erts_use_kernel_poll = 0; struct { int (*select)(ErlDrvPort, ErlDrvEvent, int, int); + int (*enif_select)(ErlNifEnv*, ErlNifEvent, enum ErlNifSelectFlags, void*, const ErlNifPid*, Eterm); int (*event)(ErlDrvPort, ErlDrvEvent, ErlDrvEventData); void (*check_io_as_interrupt)(void); void (*check_io_interrupt)(int); @@ -183,6 +175,13 @@ driver_event(ErlDrvPort port, ErlDrvEvent event, ErlDrvEventData event_data) return (*io_func.event)(port, event, event_data); } +int enif_select(ErlNifEnv* env, ErlNifEvent event, + enum ErlNifSelectFlags flags, void* obj, const ErlNifPid* pid, Eterm ref) +{ + return (*io_func.enif_select)(env, event, flags, obj, pid, ref); +} + + Eterm erts_check_io_info(void *p) { return (*io_func.info)(p); @@ -200,6 +199,7 @@ init_check_io(void) { if (erts_use_kernel_poll) { io_func.select = driver_select_kp; + io_func.enif_select = enif_select_kp; io_func.event = driver_event_kp; #ifdef ERTS_POLL_NEED_ASYNC_INTERRUPT_SUPPORT io_func.check_io_as_interrupt = erts_check_io_async_sig_interrupt_kp; @@ -215,6 +215,7 @@ init_check_io(void) } else { io_func.select = driver_select_nkp; + io_func.enif_select = enif_select_nkp; io_func.event = driver_event_nkp; #ifdef ERTS_POLL_NEED_ASYNC_INTERRUPT_SUPPORT io_func.check_io_as_interrupt = erts_check_io_async_sig_interrupt_nkp; @@ -403,13 +404,6 @@ erts_sys_pre_init(void) /* After creation in parent */ eid.thread_create_parent_func = thr_create_cleanup, -#ifdef ERTS_THR_HAVE_SIG_FUNCS - sigemptyset(&thr_create_sigmask); - sigaddset(&thr_create_sigmask, SIGINT); /* block interrupt */ - sigaddset(&thr_create_sigmask, SIGTERM); /* block terminate signal */ - sigaddset(&thr_create_sigmask, SIGUSR1); /* block user defined signal */ -#endif - erts_thr_init(&eid); #ifdef ERTS_ENABLE_LOCK_CHECK @@ -428,11 +422,9 @@ erts_sys_pre_init(void) #ifdef ERTS_SMP erts_smp_atomic32_init_nob(&erts_break_requested, 0); - erts_smp_atomic32_init_nob(&erts_got_sigusr1, 0); erts_smp_atomic32_init_nob(&have_prepared_crash_dump, 0); #else erts_break_requested = 0; - erts_got_sigusr1 = 0; have_prepared_crash_dump = 0; #endif @@ -624,6 +616,28 @@ int erts_sys_prepare_crash_dump(int secs) return prepare_crash_dump(secs); } +static void signal_notify_requested(Eterm type) { + Process* p = NULL; + Eterm msg, *hp; + ErtsProcLocks locks = 0; + ErlOffHeap *ohp; + + Eterm id = erts_whereis_name_to_id(NULL, am_erl_signal_server); + + if ((p = (erts_pid2proc_opt(NULL, 0, id, 0, ERTS_P2P_FLG_INC_REFC))) != NULL) { + ErtsMessage *msgp = erts_alloc_message_heap(p, &locks, 3, &hp, &ohp); + + /* erl_signal_server ! {notify, sighup} */ + msg = TUPLE2(hp, am_notify, type); + erts_queue_message(p, locks, msgp, msg, am_system); + + if (locks) + erts_smp_proc_unlock(p, locks); + erts_proc_dec_refc(p); + } +} + + static ERTS_INLINE void break_requested(void) { @@ -641,76 +655,15 @@ break_requested(void) ERTS_CHK_IO_AS_INTR(); /* Make sure we don't sleep in poll */ } -/* set up signal handlers for break and quit */ -#if (defined(SIG_SIGSET) || defined(SIG_SIGNAL)) -static RETSIGTYPE request_break(void) -#else static RETSIGTYPE request_break(int signum) -#endif { #ifdef ERTS_SMP - smp_sig_notify('I'); + smp_sig_notify(signum); #else break_requested(); #endif } -static void stop_requested(void) { - Process* p = NULL; - Eterm msg, *hp; - ErtsProcLocks locks = 0; - ErlOffHeap *ohp; - Eterm id = erts_whereis_name_to_id(NULL, am_init); - - if ((p = (erts_pid2proc_opt(NULL, 0, id, 0, ERTS_P2P_FLG_INC_REFC))) != NULL) { - ErtsMessage *msgp = erts_alloc_message_heap(p, &locks, 3, &hp, &ohp); - - /* init ! {stop,stop} */ - msg = TUPLE2(hp, am_stop, am_stop); - erts_queue_message(p, locks, msgp, msg, am_system); - - if (locks) - erts_smp_proc_unlock(p, locks); - erts_proc_dec_refc(p); - } -} - -#if (defined(SIG_SIGSET) || defined(SIG_SIGNAL)) -static RETSIGTYPE request_stop(void) -#else -static RETSIGTYPE request_stop(int signum) -#endif -{ -#ifdef ERTS_SMP - smp_sig_notify('S'); -#else - stop_requested(); -#endif -} - - -static ERTS_INLINE void -sigusr1_exit(void) -{ - char env[21]; /* enough to hold any 64-bit integer */ - size_t envsz; - int i, secs = -1; - - /* We do this at interrupt level, since the main reason for - * wanting to generate a crash dump in this way is that the emulator - * is hung somewhere, so it won't be able to poll any flag we set here. - */ - ERTS_SET_GOT_SIGUSR1; - - envsz = sizeof(env); - if ((i = erts_sys_getenv_raw("ERL_CRASH_DUMP_SECONDS", env, &envsz)) >= 0) { - secs = i != 0 ? 0 : atoi(env); - } - - prepare_crash_dump(secs); - erts_exit(ERTS_DUMP_EXIT, "Received SIGUSR1\n"); -} - #ifdef ETHR_UNUSABLE_SIGUSRX #warning "Unusable SIGUSR1 & SIGUSR2. Disabling use of these signals" @@ -731,19 +684,6 @@ sys_thr_resume(erts_tid_t tid) { } #endif -#if (defined(SIG_SIGSET) || defined(SIG_SIGNAL)) -static RETSIGTYPE user_signal1(void) -#else -static RETSIGTYPE user_signal1(int signum) -#endif -{ -#ifdef ERTS_SMP - smp_sig_notify('1'); -#else - sigusr1_exit(); -#endif -} - #ifdef ERTS_SYS_SUSPEND_SIGNAL #if (defined(SIG_SIGSET) || defined(SIG_SIGNAL)) static RETSIGTYPE suspend_signal(void) @@ -763,29 +703,101 @@ static RETSIGTYPE suspend_signal(int signum) #endif /* #ifndef ETHR_UNUSABLE_SIGUSRX */ -static void -quit_requested(void) -{ - erts_exit(ERTS_INTR_EXIT, ""); +/* + Signal Action Comment + ───────────────────────────────────────────────────────────── + SIGHUP Term Hangup detected on controlling terminal or death of controlling process + !SIGINT Term Interrupt from keyboard + SIGQUIT Core Quit from keyboard + !SIGILL Core Illegal Instruction + SIGABRT Core Abort signal from abort(3) + !SIGFPE Core Floating point exception + !SIGKILL Term Kill signal + !SIGSEGV Core Invalid memory reference + !SIGPIPE Term Broken pipe: write to pipe with no readers + SIGALRM Term Timer signal from alarm(2) + SIGTERM Term Termination signal + SIGUSR1 Term User-defined signal 1 + SIGUSR2 Term User-defined signal 2 + !SIGCHLD Ign Child stopped or terminated + !SIGCONT Cont Continue if stopped + SIGSTOP Stop Stop process + SIGTSTP Stop Stop typed at terminal + !SIGTTIN Stop Terminal input for background process + !SIGTTOU Stop Terminal output for background process +*/ + + +static ERTS_INLINE int +signalterm_to_signum(Eterm signal) +{ + switch (signal) { + case am_sighup: return SIGHUP; + /* case am_sigint: return SIGINT; */ + case am_sigquit: return SIGQUIT; + /* case am_sigill: return SIGILL; */ + case am_sigabrt: return SIGABRT; + /* case am_sigsegv: return SIGSEGV; */ + case am_sigalrm: return SIGALRM; + case am_sigterm: return SIGTERM; + case am_sigusr1: return SIGUSR1; + case am_sigusr2: return SIGUSR2; + case am_sigchld: return SIGCHLD; + case am_sigstop: return SIGSTOP; + case am_sigtstp: return SIGTSTP; + default: return 0; + } } -#if (defined(SIG_SIGSET) || defined(SIG_SIGNAL)) -static RETSIGTYPE do_quit(void) -#else -static RETSIGTYPE do_quit(int signum) -#endif +static ERTS_INLINE Eterm +signum_to_signalterm(int signum) +{ + switch (signum) { + case SIGHUP: return am_sighup; + /* case SIGINT: return am_sigint; */ /* ^c */ + case SIGQUIT: return am_sigquit; /* ^\ */ + /* case SIGILL: return am_sigill; */ + case SIGABRT: return am_sigabrt; + /* case SIGSEGV: return am_sigsegv; */ + case SIGALRM: return am_sigalrm; + case SIGTERM: return am_sigterm; + case SIGUSR1: return am_sigusr1; + case SIGUSR2: return am_sigusr2; + case SIGCHLD: return am_sigchld; + case SIGSTOP: return am_sigstop; + case SIGTSTP: return am_sigtstp; /* ^z */ + default: return am_error; + } +} + +static RETSIGTYPE generic_signal_handler(int signum) { #ifdef ERTS_SMP - smp_sig_notify('Q'); + smp_sig_notify(signum); #else - quit_requested(); + Eterm signal = signum_to_signalterm(signum); + signal_notify_requested(signal); #endif } +int erts_set_signal(Eterm signal, Eterm type) { + int signum; + if ((signum = signalterm_to_signum(signal)) > 0) { + if (type == am_ignore) { + sys_signal(signum, SIG_IGN); + } else if (type == am_default) { + sys_signal(signum, SIG_DFL); + } else { + sys_signal(signum, generic_signal_handler); + } + return 1; + } + return 0; +} + /* Disable break */ void erts_set_ignore_break(void) { sys_signal(SIGINT, SIG_IGN); - sys_signal(SIGTERM, SIG_IGN); sys_signal(SIGQUIT, SIG_IGN); sys_signal(SIGTSTP, SIG_IGN); } @@ -797,11 +809,11 @@ void erts_replace_intr(void) { if (isatty(0)) { tcgetattr(0, &mode); - + /* here's an example of how to replace ctrl-c with ctrl-u */ /* mode.c_cc[VKILL] = 0; mode.c_cc[VINTR] = CKILL; */ - + mode.c_cc[VINTR] = 0; /* disable ctrl-c */ tcsetattr(0, TCSANOW, &mode); replace_intr = 1; @@ -810,12 +822,13 @@ void erts_replace_intr(void) { void init_break_handler(void) { - sys_signal(SIGINT, request_break); - sys_signal(SIGTERM, request_stop); + sys_signal(SIGINT, request_break); + sys_signal(SIGTERM, generic_signal_handler); + sys_signal(SIGHUP, generic_signal_handler); #ifndef ETHR_UNUSABLE_SIGUSRX - sys_signal(SIGUSR1, user_signal1); + sys_signal(SIGUSR1, generic_signal_handler); #endif /* #ifndef ETHR_UNUSABLE_SIGUSRX */ - sys_signal(SIGQUIT, do_quit); + sys_signal(SIGQUIT, generic_signal_handler); } void sys_init_suspend_handler(void) @@ -855,10 +868,7 @@ get_number(char **str_ptr) } } -void -os_flavor(char* namebuf, /* Where to return the name. */ - unsigned size) /* Size of name buffer. */ -{ +void os_flavor(char* namebuf, unsigned size) { struct utsname uts; /* Information about the system. */ char* s; @@ -871,22 +881,16 @@ os_flavor(char* namebuf, /* Where to return the name. */ strcpy(namebuf, uts.sysname); } -void -os_version(pMajor, pMinor, pBuild) -int* pMajor; /* Pointer to major version. */ -int* pMinor; /* Pointer to minor version. */ -int* pBuild; /* Pointer to build number. */ -{ +void os_version(int *pMajor, int *pMinor, int *pBuild) { struct utsname uts; /* Information about the system. */ char* release; /* Pointer to the release string: - * X.Y or X.Y.Z. - */ + * X.Y or X.Y.Z. */ (void) uname(&uts); release = uts.release; - *pMajor = get_number(&release); - *pMinor = get_number(&release); - *pBuild = get_number(&release); + *pMajor = get_number(&release); /* Pointer to major version. */ + *pMinor = get_number(&release); /* Pointer to minor version. */ + *pBuild = get_number(&release); /* Pointer to build number. */ } void init_getenv_state(GETENV_STATE *state) @@ -921,7 +925,7 @@ void erts_do_break_handling(void) { struct termios temp_mode; int saved = 0; - + /* * Most functions that do_break() calls are intentionally not thread safe; * therefore, make sure that all threads but this one are blocked before @@ -939,14 +943,14 @@ void erts_do_break_handling(void) tcsetattr(0,TCSANOW,&initial_tty_mode); saved = 1; } - + /* call the break handling function, reset the flag */ do_break(); ERTS_UNSET_BREAK_REQUESTED; fflush(stdout); - + /* after break we go back to saved settings */ if (using_oldshell && !replace_intr) { SET_NONBLOCKING(1); @@ -1054,37 +1058,12 @@ erts_sys_unsetenv(char *key) return res; } -void -sys_init_io(void) -{ -} - -#if (0) /* unused? */ -static int write_fill(fd, buf, len) -int fd, len; -char *buf; -{ - int i, done = 0; - - do { - if ((i = write(fd, buf+done, len-done)) < 0) { - if (errno != EINTR) - return (i); - i = 0; - } - done += i; - } while (done < len); - return (len); -} -#endif +void sys_init_io(void) { } +void erts_sys_alloc_init(void) { } extern const char pre_loaded_code[]; extern Preload pre_loaded[]; -void erts_sys_alloc_init(void) -{ -} - #if ERTS_HAVE_ERTS_SYS_ALIGNED_ALLOC void *erts_sys_aligned_alloc(UWord alignment, UWord size) { @@ -1185,9 +1164,7 @@ void sys_preload_end(Preload* p) Here we assume that all schedulers are stopped so that erl_poll does not interfere with the select below. */ -int sys_get_key(fd) -int fd; -{ +int sys_get_key(int fd) { int c, ret; unsigned char rbuf[64]; fd_set fds; @@ -1206,15 +1183,14 @@ int fd; if (c <= 0) return c; } - - return rbuf[0]; + return rbuf[0]; } extern int erts_initialized; void erl_assert_error(const char* expr, const char* func, const char* file, int line) -{ +{ fflush(stdout); fprintf(stderr, "%s:%d:%s() Assertion failed: %s\n", file, line, func, expr); @@ -1239,7 +1215,7 @@ erl_debug(char* fmt, ...) { char sbuf[1024]; /* Temporary buffer. */ va_list va; - + if (debug_log) { va_start(va, fmt); vsprintf(sbuf, fmt, va); @@ -1268,14 +1244,14 @@ erl_sys_schedule(int runnable) static erts_smp_tid_t sig_dispatcher_tid; static void -smp_sig_notify(char c) +smp_sig_notify(int signum) { int res; do { /* write() is async-signal safe (according to posix) */ - res = write(sig_notify_fds[1], &c, 1); + res = write(sig_notify_fds[1], &signum, sizeof(int)); } while (res < 0 && errno == EINTR); - if (res != 1) { + if (res != sizeof(int)) { char msg[] = "smp_sig_notify(): Failed to notify signal-dispatcher thread " "about received signal"; @@ -1291,60 +1267,55 @@ signal_dispatcher_thread_func(void *unused) erts_lc_set_thread_name("signal_dispatcher"); #endif while (1) { - char buf[32]; - int res, i; + union {int signum; char buf[4];} sb; + Eterm signal; + int res, i = 0; /* Block on read() waiting for a signal notification to arrive... */ - res = read(sig_notify_fds[0], (void *) &buf[0], 32); + + do { + res = read(sig_notify_fds[0], (void *) &sb.buf[i], sizeof(int) - i); + i += res > 0 ? res : 0; + } while ((i < sizeof(int) && res >= 0) || (res < 0 && errno == EINTR)); + if (res < 0) { - if (errno == EINTR) - continue; erts_exit(ERTS_ABORT_EXIT, "signal-dispatcher thread got unexpected error: %s (%d)\n", erl_errno_id(errno), errno); } - for (i = 0; i < res; i++) { - /* - * NOTE 1: The signal dispatcher thread should not do work - * that takes a substantial amount of time (except - * perhaps in test and debug builds). It needs to - * be responsive, i.e, it should only dispatch work - * to other threads. - * - * NOTE 2: The signal dispatcher thread is not a blockable - * thread (i.e., not a thread managed by the - * erl_thr_progress module). This is intentional. - * We want to be able to interrupt writing of a crash - * dump by hitting C-c twice. Since it isn't a - * blockable thread it is important that it doesn't - * change the state of any data that a blocking thread - * expects to have exclusive access to (unless the - * signal dispatcher itself explicitly is blocking all - * blockable threads). - */ - switch (buf[i]) { - case 0: /* Emulator initialized */ + /* + * NOTE 1: The signal dispatcher thread should not do work + * that takes a substantial amount of time (except + * perhaps in test and debug builds). It needs to + * be responsive, i.e, it should only dispatch work + * to other threads. + * + * NOTE 2: The signal dispatcher thread is not a blockable + * thread (i.e., not a thread managed by the + * erl_thr_progress module). This is intentional. + * We want to be able to interrupt writing of a crash + * dump by hitting C-c twice. Since it isn't a + * blockable thread it is important that it doesn't + * change the state of any data that a blocking thread + * expects to have exclusive access to (unless the + * signal dispatcher itself explicitly is blocking all + * blockable threads). + */ + switch (sb.signum) { + case 0: continue; + case SIGINT: + break_requested(); break; - case 'S': /* SIGTERM */ - stop_requested(); - break; - case 'I': /* SIGINT */ - break_requested(); - break; - case 'Q': /* SIGQUIT */ - quit_requested(); - break; - case '1': /* SIGUSR1 */ - sigusr1_exit(); - break; - default: - erts_exit(ERTS_ABORT_EXIT, - "signal-dispatcher thread received unknown " - "signal notification: '%c'\n", - buf[i]); - } - } - ERTS_SMP_LC_ASSERT(!erts_thr_progress_is_blocking()); + default: + if ((signal = signum_to_signalterm(sb.signum)) == am_error) { + erts_exit(ERTS_ABORT_EXIT, + "signal-dispatcher thread received unknown " + "signal notification: '%d'\n", + sb.signum); + } + signal_notify_requested(signal); + } + ERTS_SMP_LC_ASSERT(!erts_thr_progress_is_blocking()); } return NULL; } @@ -1387,9 +1358,9 @@ init_smp_sig_suspend(void) { int erts_darwin_main_thread_pipe[2]; int erts_darwin_main_thread_result_pipe[2]; -static void initialize_darwin_main_thread_pipes(void) +static void initialize_darwin_main_thread_pipes(void) { - if (pipe(erts_darwin_main_thread_pipe) < 0 || + if (pipe(erts_darwin_main_thread_pipe) < 0 || pipe(erts_darwin_main_thread_result_pipe) < 0) { erts_exit(ERTS_ERROR_EXIT,"Fatal error initializing Darwin main thread stealing"); } @@ -1555,5 +1526,4 @@ erl_sys_args(int* argc, char** argv) argv[j++] = argv[i]; } *argc = j; - } diff --git a/erts/emulator/sys/win32/erl_poll.c b/erts/emulator/sys/win32/erl_poll.c index f23c7ab03d..93013a412b 100644 --- a/erts/emulator/sys/win32/erl_poll.c +++ b/erts/emulator/sys/win32/erl_poll.c @@ -842,9 +842,9 @@ event_happened: ASSERT(WAIT_OBJECT_0 < i && i < WAIT_OBJECT_0+w->active_events); notify_io_ready(ps); - /* - * The main thread wont start working on our arrays untill we're - * stopped, so we can work in peace although the main thread runs + /* + * The main thread wont start working on our arrays until we're + * stopped, so we can work in peace although the main thread runs */ ASSERT(i >= WAIT_OBJECT_0+1); i -= WAIT_OBJECT_0; diff --git a/erts/emulator/sys/win32/sys.c b/erts/emulator/sys/win32/sys.c index f3881e0736..40e5595533 100644 --- a/erts/emulator/sys/win32/sys.c +++ b/erts/emulator/sys/win32/sys.c @@ -294,6 +294,10 @@ int erts_sys_prepare_crash_dump(int secs) return 0; } +int erts_set_signal(Eterm signal, Eterm type) { + return 0; +} + static void init_console(void) { @@ -492,7 +496,7 @@ struct driver_data { int outBufSize; /* Size of output buffer. */ byte *outbuf; /* Buffer to use for overlapped write. */ ErlDrvPort port_num; /* The port handle. */ - int packet_bytes; /* 0: continous stream, 1, 2, or 4: the number + int packet_bytes; /* 0: continuous stream, 1, 2, or 4: the number * of bytes in the packet header. */ HANDLE port_pid; /* PID of the port process. */ @@ -1423,7 +1427,7 @@ int parse_command(wchar_t* cmd){ * * If new == NULL we just calculate the length. * - * The reason for having to quote all of the is becasue CreateProcessW removes + * The reason for having to quote all of the is because CreateProcessW removes * one level of escaping since it takes a single long command line rather * than the argument chunks that unix uses. */ @@ -2482,7 +2486,7 @@ output(ErlDrvData drv_data, char* buf, ErlDrvSizeT len) * event object has been signaled, indicating that there is * something to read on the corresponding file handle. * - * If the port is working in the continous stream mode (packet_bytes == 0), + * If the port is working in the continuous stream mode (packet_bytes == 0), * whatever data read will be sent straight to Erlang. * * Results: @@ -2523,7 +2527,7 @@ ready_input(ErlDrvData drv_data, ErlDrvEvent ready_event) #endif if (error == NO_ERROR) { - if (pb == 0) { /* Continous stream. */ + if (pb == 0) { /* Continuous stream. */ #ifdef DEBUG DEBUGF(("ready_input: %d: ", bytesRead)); erl_bin_write(dp->inbuf, 16, bytesRead); diff --git a/erts/emulator/test/Makefile b/erts/emulator/test/Makefile index 7c9927c4f3..5478932b13 100644 --- a/erts/emulator/test/Makefile +++ b/erts/emulator/test/Makefile @@ -86,8 +86,10 @@ MODULES= \ num_bif_SUITE \ message_queue_data_SUITE \ op_SUITE \ + os_signal_SUITE \ port_SUITE \ port_bif_SUITE \ + prim_eval_SUITE \ process_SUITE \ pseudoknot_SUITE \ receive_SUITE \ diff --git a/erts/emulator/test/bif_SUITE.erl b/erts/emulator/test/bif_SUITE.erl index f70fb0e501..339c827602 100644 --- a/erts/emulator/test/bif_SUITE.erl +++ b/erts/emulator/test/bif_SUITE.erl @@ -26,7 +26,7 @@ -export([all/0, suite/0, display/1, display_huge/0, erl_bif_types/1,guard_bifs_in_erl_bif_types/1, - shadow_comments/1, + shadow_comments/1,list_to_utf8_atom/1, specs/1,improper_bif_stubs/1,auto_imports/1, t_list_to_existing_atom/1,os_env/1,otp_7526/1, binary_to_atom/1,binary_to_existing_atom/1, @@ -43,7 +43,7 @@ all() -> [erl_bif_types, guard_bifs_in_erl_bif_types, shadow_comments, specs, improper_bif_stubs, auto_imports, t_list_to_existing_atom, os_env, otp_7526, - display, + display, list_to_utf8_atom, atom_to_binary, binary_to_atom, binary_to_existing_atom, erl_crash_dump_bytes, min_max, erlang_halt, is_builtin, error_stacktrace, error_stacktrace_during_call_trace]. @@ -339,6 +339,38 @@ check_stub({_,F,A}, B) -> ct:fail(invalid_body) end. +list_to_utf8_atom(Config) when is_list(Config) -> + 'hello' = atom_roundtrip("hello"), + 'こんにちは' = atom_roundtrip("こんにちは"), + + %% Test all edge cases. + _ = atom_roundtrip([16#80]), + _ = atom_roundtrip([16#7F]), + _ = atom_roundtrip([16#FF]), + _ = atom_roundtrip([16#100]), + _ = atom_roundtrip([16#7FF]), + _ = atom_roundtrip([16#800]), + _ = atom_roundtrip([16#D7FF]), + atom_badarg([16#D800]), + atom_badarg([16#DFFF]), + _ = atom_roundtrip([16#E000]), + _ = atom_roundtrip([16#FFFF]), + _ = atom_roundtrip([16#1000]), + _ = atom_roundtrip([16#10FFFF]), + atom_badarg([16#110000]), + ok. + +atom_roundtrip(String) -> + Atom = list_to_atom(String), + Atom = list_to_existing_atom(String), + String = atom_to_list(Atom), + Atom. + +atom_badarg(String) -> + {'EXIT',{badarg,_}} = (catch list_to_atom(String)), + {'EXIT',{badarg,_}} = (catch list_to_existing_atom(String)), + ok. + t_list_to_existing_atom(Config) when is_list(Config) -> all = list_to_existing_atom("all"), ?MODULE = list_to_existing_atom(?MODULE_STRING), @@ -429,6 +461,8 @@ binary_to_atom(Config) when is_list(Config) -> Long = lists:seq(0, 254), LongAtom = list_to_atom(Long), LongBin = list_to_binary(Long), + UnicodeLongAtom = list_to_atom([$é || _ <- lists:seq(0, 254)]), + UnicodeLongBin = << <<"é"/utf8>> || _ <- lists:seq(0, 254)>>, %% latin1 '' = test_binary_to_atom(<<>>, latin1), @@ -440,12 +474,17 @@ binary_to_atom(Config) when is_list(Config) -> '' = test_binary_to_atom(<<>>, utf8), HalfLongAtom = test_binary_to_atom(HalfLongBin, utf8), HalfLongAtom = test_binary_to_atom(HalfLongBin, unicode), + UnicodeLongAtom = test_binary_to_atom(UnicodeLongBin, utf8), + UnicodeLongAtom = test_binary_to_atom(UnicodeLongBin, unicode), [] = [C || C <- lists:seq(128, 255), begin list_to_atom([C]) =/= test_binary_to_atom(<<C/utf8>>, utf8) end], + <<"こんにちは"/utf8>> = + atom_to_binary(test_binary_to_atom(<<"こんにちは"/utf8>>, utf8), utf8), + %% badarg failures. fail_binary_to_atom(atom), fail_binary_to_atom(42), @@ -464,10 +503,6 @@ binary_to_atom(Config) when is_list(Config) -> ?BADARG(binary_to_atom(id(<<255>>), utf8)), ?BADARG(binary_to_atom(id(<<255,0>>), utf8)), ?BADARG(binary_to_atom(id(<<16#C0,16#80>>), utf8)), %Overlong 0. - [?BADARG(binary_to_atom(<<C/utf8>>, utf8)) || C <- lists:seq(256, 16#D7FF)], - [?BADARG(binary_to_atom(<<C/utf8>>, utf8)) || C <- lists:seq(16#E000, 16#FFFD)], - [?BADARG(binary_to_atom(<<C/utf8>>, utf8)) || C <- lists:seq(16#10000, 16#8FFFF)], - [?BADARG(binary_to_atom(<<C/utf8>>, utf8)) || C <- lists:seq(16#90000, 16#10FFFF)], %% system_limit failures. ?SYS_LIMIT(binary_to_atom(id(<<0:512/unit:8,255>>), utf8)), diff --git a/erts/emulator/test/binary_SUITE.erl b/erts/emulator/test/binary_SUITE.erl index 238a8aa42d..324730d562 100644 --- a/erts/emulator/test/binary_SUITE.erl +++ b/erts/emulator/test/binary_SUITE.erl @@ -1008,7 +1008,7 @@ ordering(Config) when is_list(Config) -> ok. -%% Test that comparisions between binaries with different alignment work. +%% Test that comparison between binaries with different alignment work. unaligned_order(Config) when is_list(Config) -> L = lists:seq(0, 7), [test_unaligned_order(I, J) || I <- L, J <- L], diff --git a/erts/emulator/test/bs_match_int_SUITE.erl b/erts/emulator/test/bs_match_int_SUITE.erl index a7bd4b8ac3..32bfa2f1fa 100644 --- a/erts/emulator/test/bs_match_int_SUITE.erl +++ b/erts/emulator/test/bs_match_int_SUITE.erl @@ -247,7 +247,7 @@ match_huge_int(Config) when is_list(Config) -> 8 -> %% An attempt will be made to allocate heap space for %% the bignum (which will probably fail); only if the - %% allocation succeds will the matching fail because + %% allocation succeeds will the matching fail because %% the binary is too small. ok end, diff --git a/erts/emulator/test/call_trace_SUITE.erl b/erts/emulator/test/call_trace_SUITE.erl index 2e303ba9a8..e74631e916 100644 --- a/erts/emulator/test/call_trace_SUITE.erl +++ b/erts/emulator/test/call_trace_SUITE.erl @@ -233,7 +233,7 @@ basic() -> trace_func({'_','_','_'}, false), [b,a] = lists:reverse([a,b]), - %% Read out the remaing trace messages. + %% Read out the remaining trace messages. ?MODULE:expect({trace,Self,call,{lists,seq,[1,10]}}), ?MODULE:expect({trace,Self,call,{erlang,list_to_integer,["777"]}}), diff --git a/erts/emulator/test/code_SUITE.erl b/erts/emulator/test/code_SUITE.erl index b29520ab9f..d07166ed98 100644 --- a/erts/emulator/test/code_SUITE.erl +++ b/erts/emulator/test/code_SUITE.erl @@ -296,16 +296,16 @@ get_chunk(Config) when is_list(Config) -> {ok,my_code_test,Code} = compile:file(File, [binary]), %% Should work. - Chunk = get_chunk_ok("Atom", Code), - Chunk = get_chunk_ok("Atom", make_sub_binary(Code)), - Chunk = get_chunk_ok("Atom", make_unaligned_sub_binary(Code)), + Chunk = get_chunk_ok("AtU8", Code), + Chunk = get_chunk_ok("AtU8", make_sub_binary(Code)), + Chunk = get_chunk_ok("AtU8", make_unaligned_sub_binary(Code)), %% Should fail. - {'EXIT',{badarg,_}} = (catch code:get_chunk(bit_sized_binary(Code), "Atom")), + {'EXIT',{badarg,_}} = (catch code:get_chunk(bit_sized_binary(Code), "AtU8")), {'EXIT',{badarg,_}} = (catch code:get_chunk(Code, "bad chunk id")), %% Invalid beam code or missing chunk should return 'undefined'. - undefined = code:get_chunk(<<"not a beam module">>, "Atom"), + undefined = code:get_chunk(<<"not a beam module">>, "AtU8"), undefined = code:get_chunk(Code, "XXXX"), ok. diff --git a/erts/emulator/test/ddll_SUITE.erl b/erts/emulator/test/ddll_SUITE.erl index 93b6f2d956..e7e518f82b 100644 --- a/erts/emulator/test/ddll_SUITE.erl +++ b/erts/emulator/test/ddll_SUITE.erl @@ -805,7 +805,7 @@ reference_count(Config) when is_list(Config) -> Pid1 ! {self(), die}, test_server:sleep(200), % Give time to unload. - % Verify that the driver was automaticly unloaded when the + % Verify that the driver was automatically unloaded when the % process died. {error, not_loaded}=erl_ddll:unload_driver(echo_drv), ok. diff --git a/erts/emulator/test/dirty_nif_SUITE.erl b/erts/emulator/test/dirty_nif_SUITE.erl index 991ba0acc8..5ba0d85ff3 100644 --- a/erts/emulator/test/dirty_nif_SUITE.erl +++ b/erts/emulator/test/dirty_nif_SUITE.erl @@ -214,7 +214,7 @@ dirty_call_while_terminated(Config) when is_list(Config) -> undefined = process_info(Dirty, status), false = erlang:is_process_alive(Dirty), false = lists:member(Dirty, processes()), - %% Binary still refered by Dirty process not yet cleaned up + %% Binary still referred by Dirty process not yet cleaned up %% since the dirty nif has not yet returned... {value, {BinAddr, 4711, 2}} = lists:keysearch(4711, 2, element(2, diff --git a/erts/emulator/test/erl_link_SUITE.erl b/erts/emulator/test/erl_link_SUITE.erl index 89e1aefb50..9258897764 100644 --- a/erts/emulator/test/erl_link_SUITE.erl +++ b/erts/emulator/test/erl_link_SUITE.erl @@ -60,7 +60,7 @@ % These are to be kept in sync with erl_monitors.h -define(MON_ORIGIN, 1). --define(MON_TARGET, 3). +-define(MON_TARGET, 2). -record(erl_link, {type = ?LINK_UNDEF, @@ -69,7 +69,7 @@ % This is to be kept in sync with erl_bif_info.c (make_monitor_list) --record(erl_monitor, {type, % MON_ORIGIN or MON_TARGET (1 or 3) +-record(erl_monitor, {type, % MON_ORIGIN or MON_TARGET ref, pid, % Process or nodename name = []}). % registered name or [] diff --git a/erts/emulator/test/estone_SUITE.erl b/erts/emulator/test/estone_SUITE.erl index 3ce849b88e..35f695ffe5 100644 --- a/erts/emulator/test/estone_SUITE.erl +++ b/erts/emulator/test/estone_SUITE.erl @@ -708,7 +708,7 @@ alloc(I) -> %% Time to call bif's %% Lot's of element stuff which reflects the record code which -%% is becomming more and more common +%% is becoming more and more common bif_dispatch(0) -> 0; bif_dispatch(I) -> diff --git a/erts/emulator/test/float_SUITE.erl b/erts/emulator/test/float_SUITE.erl index 36b1f9179f..ad33ad705b 100644 --- a/erts/emulator/test/float_SUITE.erl +++ b/erts/emulator/test/float_SUITE.erl @@ -208,7 +208,7 @@ span_cmp(Axis, Incr, Length) -> %% for both negative and positive numbers. %% %% Axis: The number around which to do the tests eg. (1 bsl 58) - 1.0 -%% Incr: How much to increment the test numbers inbetween each test. +%% Incr: How much to increment the test numbers in-between each test. %% Length: Length/2 is the number of Incr away from Axis to test on the %% negative and positive plane. %% Diff: How much the float and int should differ when comparing diff --git a/erts/emulator/test/guard_SUITE.erl b/erts/emulator/test/guard_SUITE.erl index e155e5f49f..54ee710363 100644 --- a/erts/emulator/test/guard_SUITE.erl +++ b/erts/emulator/test/guard_SUITE.erl @@ -317,6 +317,7 @@ guard_bifs(Config) when is_list(Config) -> try_gbif('float/1', Big, float(id(Big))), try_gbif('trunc/1', Float, 387924.0), try_gbif('round/1', Float, 387925.0), + try_gbif('round/1', 6209607916799025.0, 6209607916799025), try_gbif('length/1', [], 0), try_gbif('length/1', [a], 1), diff --git a/erts/emulator/test/hibernate_SUITE.erl b/erts/emulator/test/hibernate_SUITE.erl index 6f8ce02266..90693595a7 100644 --- a/erts/emulator/test/hibernate_SUITE.erl +++ b/erts/emulator/test/hibernate_SUITE.erl @@ -349,7 +349,7 @@ clean_dict() -> lists:foreach(fun ({Key, _}) -> erase(Key) end, Dict). %% -%% Wake up and then immediatly bif trap with a lengthy computation. +%% Wake up and then immediately bif trap with a lengthy computation. %% wake_up_and_bif_trap(Config) when is_list(Config) -> diff --git a/erts/emulator/test/map_SUITE.erl b/erts/emulator/test/map_SUITE.erl index dfa1629112..02f3c89318 100644 --- a/erts/emulator/test/map_SUITE.erl +++ b/erts/emulator/test/map_SUITE.erl @@ -52,6 +52,7 @@ t_bif_map_values/1, t_bif_map_to_list/1, t_bif_map_from_list/1, + t_bif_erts_internal_maps_to_list/1, %% erlang t_erlang_hash/1, @@ -118,6 +119,7 @@ all() -> [t_build_and_match_literals, t_build_and_match_literals_large, t_bif_map_update, t_bif_map_values, t_bif_map_to_list, t_bif_map_from_list, + t_bif_erts_internal_maps_to_list, %% erlang t_erlang_hash, t_map_encode_decode, @@ -2362,23 +2364,55 @@ t_bif_map_from_list(Config) when is_list(Config) -> {'EXIT', {badarg,_}} = (catch maps:from_list(id(42))), ok. -t_bif_build_and_check(Config) when is_list(Config) -> - ok = check_build_and_remove(750,[ - fun(K) -> [K,K] end, - fun(K) -> [float(K),K] end, - fun(K) -> K end, - fun(K) -> {1,K} end, - fun(K) -> {K} end, - fun(K) -> [K|K] end, - fun(K) -> [K,1,2,3,4] end, - fun(K) -> {K,atom} end, - fun(K) -> float(K) end, - fun(K) -> integer_to_list(K) end, - fun(K) -> list_to_atom(integer_to_list(K)) end, - fun(K) -> [K,{K,[K,{K,[K]}]}] end, - fun(K) -> <<K:32>> end - ]), +t_bif_erts_internal_maps_to_list(Config) when is_list(Config) -> + %% small maps + [] = erts_internal:maps_to_list(#{},-1), + [] = erts_internal:maps_to_list(#{},-2), + [] = erts_internal:maps_to_list(#{},10), + [{a,1},{b,2}] = lists:sort(erts_internal:maps_to_list(#{a=>1,b=>2}, 2)), + [{a,1},{b,2}] = lists:sort(erts_internal:maps_to_list(#{a=>1,b=>2}, -1)), + [{_,_}] = erts_internal:maps_to_list(#{a=>1,b=>2}, 1), + [{a,1},{b,2},{c,3}] = lists:sort(erts_internal:maps_to_list(#{c=>3,a=>1,b=>2},-2)), + [{a,1},{b,2},{c,3}] = lists:sort(erts_internal:maps_to_list(#{c=>3,a=>1,b=>2},3)), + [{a,1},{b,2},{c,3}] = lists:sort(erts_internal:maps_to_list(#{c=>3,a=>1,b=>2},5)), + [{_,_},{_,_}] = erts_internal:maps_to_list(#{c=>3,a=>1,b=>2},2), + [{_,_}] = erts_internal:maps_to_list(#{c=>3,a=>1,b=>2},1), + [] = erts_internal:maps_to_list(#{c=>3,a=>1,b=>2},0), + + %% big maps + M = maps:from_list([{I,ok}||I <- lists:seq(1,500)]), + [] = erts_internal:maps_to_list(M,0), + [{_,_}] = erts_internal:maps_to_list(M,1), + [{_,_},{_,_}] = erts_internal:maps_to_list(M,2), + Ls1 = erts_internal:maps_to_list(M,10), + 10 = length(Ls1), + Ls2 = erts_internal:maps_to_list(M,20), + 20 = length(Ls2), + Ls3 = erts_internal:maps_to_list(M,120), + 120 = length(Ls3), + Ls4 = erts_internal:maps_to_list(M,-1), + 500 = length(Ls4), + %% error cases + {'EXIT', {{badmap,[{a,b},b]},_}} = (catch erts_internal:maps_to_list(id([{a,b},b]),id(1))), + {'EXIT', {badarg,_}} = (catch erts_internal:maps_to_list(id(#{}),id(a))), + {'EXIT', {badarg,_}} = (catch erts_internal:maps_to_list(id(#{1=>2}),id(<<>>))), + ok. + +t_bif_build_and_check(Config) when is_list(Config) -> + ok = check_build_and_remove(750,[fun(K) -> [K,K] end, + fun(K) -> [float(K),K] end, + fun(K) -> K end, + fun(K) -> {1,K} end, + fun(K) -> {K} end, + fun(K) -> [K|K] end, + fun(K) -> [K,1,2,3,4] end, + fun(K) -> {K,atom} end, + fun(K) -> float(K) end, + fun(K) -> integer_to_list(K) end, + fun(K) -> list_to_atom(integer_to_list(K)) end, + fun(K) -> [K,{K,[K,{K,[K]}]}] end, + fun(K) -> <<K:32>> end]), ok. check_build_and_remove(_,[]) -> ok; diff --git a/erts/emulator/test/match_spec_SUITE.erl b/erts/emulator/test/match_spec_SUITE.erl index 34e956bc21..971a047309 100644 --- a/erts/emulator/test/match_spec_SUITE.erl +++ b/erts/emulator/test/match_spec_SUITE.erl @@ -646,7 +646,7 @@ destructive_in_test_bif(Config) when is_list(Config) -> ([],[{'_',[],[{message,{get_tcw}}]}],trace), ok. -%% Test that the comparision between boxed and small does not crash emulator +%% Test that the comparison between boxed and small does not crash emulator boxed_and_small(Config) when is_list(Config) -> {ok, Node} = start_node(match_spec_suite_other), ok = rpc:call(Node,?MODULE,do_boxed_and_small,[]), diff --git a/erts/emulator/test/nif_SUITE.erl b/erts/emulator/test/nif_SUITE.erl index 36d512e388..693db42e58 100644 --- a/erts/emulator/test/nif_SUITE.erl +++ b/erts/emulator/test/nif_SUITE.erl @@ -31,6 +31,13 @@ init_per_testcase/2, end_per_testcase/2, basic/1, reload_error/1, upgrade/1, heap_frag/1, t_on_load/1, + select/1, + monitor_process_a/1, + monitor_process_b/1, + monitor_process_c/1, + monitor_process_d/1, + demonitor_process/1, + monitor_frenzy/1, hipe/1, types/1, many_args/1, binaries/1, get_string/1, get_atom/1, maps/1, @@ -56,6 +63,8 @@ -define(nif_stub,nif_stub_error(?LINE)). +-define(is_resource, is_reference). + suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> @@ -64,6 +73,9 @@ all() -> [{group, G} || G <- api_groups()] ++ [reload_error, heap_frag, types, many_args, + select, + {group, monitor}, + monitor_frenzy, hipe, binaries, get_string, get_atom, maps, api_macros, from_array, iolist_as_binary, resource, resource_binary, @@ -81,13 +93,19 @@ all() -> nif_snprintf]. groups() -> - [{G, [], api_repeaters()} || G <- api_groups()]. + [{G, [], api_repeaters()} || G <- api_groups()] + ++ + [{monitor, [], [monitor_process_a, + monitor_process_b, + monitor_process_c, + monitor_process_d, + demonitor_process]}]. + api_groups() -> [api_latest, api_2_4, api_2_0]. api_repeaters() -> [upgrade, resource_takeover, t_on_load]. -init_per_group(api_latest, Config) -> Config; init_per_group(api_2_4, Config) -> [{nif_api_version, ".2_4"} | Config]; init_per_group(api_2_0, Config) -> @@ -97,7 +115,8 @@ init_per_group(api_2_0, Config) -> {skip, "API 2.0 buggy on Windows 64-bit"}; _ -> [{nif_api_version, ".2_0"} | Config] - end. + end; +init_per_group(_, Config) -> Config. end_per_group(_,_) -> ok. @@ -109,6 +128,13 @@ init_per_testcase(hipe, Config) -> undefined -> {skip, "HiPE is disabled"}; _ -> Config end; +init_per_testcase(select, Config) -> + case os:type() of + {win32,_} -> + {skip, "Test not yet implemented for windows"}; + _ -> + Config + end; init_per_testcase(_Case, Config) -> Config. @@ -434,6 +460,364 @@ t_on_load(Config) when is_list(Config) -> verify_tmpmem(TmpMem), ok. +-define(ERL_NIF_SELECT_READ, (1 bsl 0)). +-define(ERL_NIF_SELECT_WRITE, (1 bsl 1)). +-define(ERL_NIF_SELECT_STOP, (1 bsl 2)). + +-define(ERL_NIF_SELECT_STOP_CALLED, (1 bsl 0)). +-define(ERL_NIF_SELECT_STOP_SCHEDULED, (1 bsl 1)). +-define(ERL_NIF_SELECT_INVALID_EVENT, (1 bsl 2)). +-define(ERL_NIF_SELECT_FAILED, (1 bsl 3)). + + +select(Config) when is_list(Config) -> + ensure_lib_loaded(Config), + + Ref = make_ref(), + Ref2 = make_ref(), + {{R, R_ptr}, {W, W_ptr}} = pipe_nif(), + ok = write_nif(W, <<"hej">>), + <<"hej">> = read_nif(R, 3), + + %% Wait for read + eagain = read_nif(R, 3), + 0 = select_nif(R,?ERL_NIF_SELECT_READ,R,null,Ref), + [] = flush(), + ok = write_nif(W, <<"hej">>), + [{select, R, Ref, ready_input}] = flush(), + 0 = select_nif(R,?ERL_NIF_SELECT_READ,R,self(),Ref2), + [{select, R, Ref2, ready_input}] = flush(), + Papa = self(), + Pid = spawn_link(fun() -> + [{select, R, Ref, ready_input}] = flush(), + Papa ! {self(), done} + end), + 0 = select_nif(R,?ERL_NIF_SELECT_READ,R,Pid,Ref), + {Pid, done} = receive_any(1000), + <<"hej">> = read_nif(R, 3), + + %% Wait for write + Written = write_full(W, $a), + 0 = select_nif(W,?ERL_NIF_SELECT_WRITE,W,self(),Ref), + [] = flush(), + Written = read_nif(R,byte_size(Written)), + [{select, W, Ref, ready_output}] = flush(), + + %% Close write and wait for EOF + eagain = read_nif(R, 1), + check_stop_ret(select_nif(W,?ERL_NIF_SELECT_STOP,W,null,Ref)), + [{fd_resource_stop, W_ptr, _}] = flush(), + {1, {W_ptr,_}} = last_fd_stop_call(), + true = is_closed_nif(W), + [] = flush(), + 0 = select_nif(R,?ERL_NIF_SELECT_READ,R,self(),Ref), + [{select, R, Ref, ready_input}] = flush(), + eof = read_nif(R,1), + + check_stop_ret(select_nif(R,?ERL_NIF_SELECT_STOP,R,null,Ref)), + [{fd_resource_stop, R_ptr, _}] = flush(), + {1, {R_ptr,_}} = last_fd_stop_call(), + true = is_closed_nif(R), + + select_2(Config). + +select_2(Config) -> + erlang:garbage_collect(), + {_,_,2} = last_resource_dtor_call(), + + Ref1 = make_ref(), + Ref2 = make_ref(), + {{R, R_ptr}, {W, W_ptr}} = pipe_nif(), + + %% Change ref + eagain = read_nif(R, 1), + 0 = select_nif(R,?ERL_NIF_SELECT_READ,R,null,Ref1), + 0 = select_nif(R,?ERL_NIF_SELECT_READ,R,self(),Ref2), + + [] = flush(), + ok = write_nif(W, <<"hej">>), + [{select, R, Ref2, ready_input}] = flush(), + <<"hej">> = read_nif(R, 3), + + %% Change pid + eagain = read_nif(R, 1), + 0 = select_nif(R,?ERL_NIF_SELECT_READ,R,null,Ref1), + Papa = self(), + spawn_link(fun() -> + 0 = select_nif(R,?ERL_NIF_SELECT_READ,R,null,Ref1), + [] = flush(), + Papa ! sync, + [{select, R, Ref1, ready_input}] = flush(), + <<"hej">> = read_nif(R, 3), + Papa ! done + end), + sync = receive_any(), + ok = write_nif(W, <<"hej">>), + done = receive_any(), + [] = flush(), + + check_stop_ret(select_nif(R,?ERL_NIF_SELECT_STOP,R,null,Ref1)), + [{fd_resource_stop, R_ptr, _}] = flush(), + {1, {R_ptr,_}} = last_fd_stop_call(), + true = is_closed_nif(R), + + %% Stop without previous read/write select + ?ERL_NIF_SELECT_STOP_CALLED = select_nif(W,?ERL_NIF_SELECT_STOP,W,null,Ref1), + [{fd_resource_stop, W_ptr, 1}] = flush(), + {1, {W_ptr,1}} = last_fd_stop_call(), + true = is_closed_nif(W), + + select_3(Config). + +select_3(_Config) -> + erlang:garbage_collect(), + {_,_,2} = last_resource_dtor_call(), + ok. + +check_stop_ret(?ERL_NIF_SELECT_STOP_CALLED) -> ok; +check_stop_ret(?ERL_NIF_SELECT_STOP_SCHEDULED) -> ok. + +write_full(W, C) -> + write_full(W, C, <<>>). +write_full(W, C, Acc) -> + case write_nif(W, <<C>>) of + ok -> + write_full(W, (C+1) band 255, <<Acc/binary, C>>); + {eagain,0} -> + Acc + end. + +%% Basic monitoring of one process that terminates +monitor_process_a(Config) -> + ensure_lib_loaded(Config), + + F = fun(Terminator, UseMsgEnv) -> + Pid = spawn(fun() -> + receive + {exit, Arg} -> exit(Arg); + return -> ok; + BadMatch -> goodmatch = BadMatch + end + end), + R_ptr = alloc_monitor_resource_nif(), + {0, Mon1} = monitor_process_nif(R_ptr, Pid, UseMsgEnv, self()), + [R_ptr] = monitored_by(Pid), + Terminator(Pid), + [{monitor_resource_down, R_ptr, Pid, Mon2}] = flush(), + 0 = compare_monitors_nif(Mon1, Mon2), + [] = last_resource_dtor_call(), + ok = release_resource(R_ptr), + {R_ptr, _, 1} = last_resource_dtor_call() + end, + + T1 = fun(Pid) -> Pid ! {exit, 17} end, + T2 = fun(Pid) -> Pid ! return end, + T3 = fun(Pid) -> Pid ! badmatch end, + T4 = fun(Pid) -> exit(Pid, 18) end, + + [F(T, UME) || T <- [T1,T2,T3,T4], UME <- [true, false]], + + ok. + +%% Test auto-demonitoring at resource destruction +monitor_process_b(Config) -> + ensure_lib_loaded(Config), + + Pid = spawn_link(fun() -> + receive + return -> ok + end + end), + R_ptr = alloc_monitor_resource_nif(), + {0,_} = monitor_process_nif(R_ptr, Pid, true, self()), + [R_ptr] = monitored_by(Pid), + ok = release_resource(R_ptr), + [] = flush(), + {R_ptr, _, 1} = last_resource_dtor_call(), + [] = monitored_by(Pid), + Pid ! return, + ok. + +%% Test termination of monitored process holding last resource ref +monitor_process_c(Config) -> + ensure_lib_loaded(Config), + + Papa = self(), + Pid = spawn_link(fun() -> + R_ptr = alloc_monitor_resource_nif(), + {0,Mon} = monitor_process_nif(R_ptr, self(), true, Papa), + [R_ptr] = monitored_by(self()), + put(store, make_resource(R_ptr)), + ok = release_resource(R_ptr), + [] = last_resource_dtor_call(), + Papa ! {self(), done, R_ptr, Mon}, + exit + end), + [{Pid, done, R_ptr, Mon1}, + {monitor_resource_down, R_ptr, Pid, Mon2}] = flush(), + compare_monitors_nif(Mon1, Mon2), + {R_ptr, _, 1} = last_resource_dtor_call(), + ok. + +%% Test race of resource dtor called when monitored process is exiting +monitor_process_d(Config) -> + ensure_lib_loaded(Config), + + Papa = self(), + {Target,TRef} = spawn_monitor(fun() -> + nothing = receive_any() + end), + + R_ptr = alloc_monitor_resource_nif(), + {0,_} = monitor_process_nif(R_ptr, Target, true, self()), + [Papa, R_ptr] = monitored_by(Target), + + exit(Target, die), + ok = release_resource(R_ptr), + + [{'DOWN', TRef, process, Target, die}] = flush(), %% no monitor_resource_down + {R_ptr, _, 1} = last_resource_dtor_call(), + + ok. + +%% Test basic demonitoring +demonitor_process(Config) -> + ensure_lib_loaded(Config), + + Pid = spawn_link(fun() -> + receive + return -> ok + end + end), + R_ptr = alloc_monitor_resource_nif(), + {0,MonBin1} = monitor_process_nif(R_ptr, Pid, true, self()), + [R_ptr] = monitored_by(Pid), + {0,MonBin2} = monitor_process_nif(R_ptr, Pid, true, self()), + [R_ptr, R_ptr] = monitored_by(Pid), + 0 = demonitor_process_nif(R_ptr, MonBin1), + [R_ptr] = monitored_by(Pid), + 1 = demonitor_process_nif(R_ptr, MonBin1), + 0 = demonitor_process_nif(R_ptr, MonBin2), + [] = monitored_by(Pid), + 1 = demonitor_process_nif(R_ptr, MonBin2), + + ok = release_resource(R_ptr), + [] = flush(), + {R_ptr, _, 1} = last_resource_dtor_call(), + [] = monitored_by(Pid), + Pid ! return, + ok. + + +monitored_by(Pid) -> + {monitored_by, List0} = process_info(Pid, monitored_by), + List1 = lists:map(fun(E) when ?is_resource(E) -> + {Ptr, _} = get_resource(monitor_resource_type, E), + Ptr; + (E) -> E + end, + List0), + erlang:garbage_collect(), + lists:sort(List1). + +-define(FRENZY_RAND_BITS, 25). + +%% Exercise monitoring from NIF resources by randomly +%% create/destruct processes, resources and monitors. +monitor_frenzy(Config) -> + ensure_lib_loaded(Config), + + Procs1 = processes(), + io:format("~p processes before: ~p\n", [length(Procs1), Procs1]), + + %% Spawn first worker process + Master = self(), + spawn_link(fun() -> + SelfPix = monitor_frenzy_nif(init, ?FRENZY_RAND_BITS, 0, 0), + unlink(Master), + frenzy(SelfPix, {undefined, []}) + end), + receive after 5*1000 -> ok end, + + io:format("stats = ~p\n", [monitor_frenzy_nif(stats, 0, 0, 0)]), + + Pids = monitor_frenzy_nif(stop, 0, 0, 0), + io:format("stats = ~p\n", [monitor_frenzy_nif(stats, 0, 0, 0)]), + + lists:foreach(fun(P) -> + MRef = monitor(process, P), + exit(P, stop), + {'DOWN', MRef, process, P, _} = receive_any() + end, + Pids), + + io:format("stats = ~p\n", [monitor_frenzy_nif(stats, 0, 0, 0)]), + + Procs2 = processes(), + io:format("~p processes after: ~p\n", [length(Procs2), Procs2]), + ok. + + +frenzy(_SelfPix, done) -> + ok; +frenzy(SelfPix, State0) -> + Rnd = rand:uniform(1 bsl (?FRENZY_RAND_BITS+2)) - 1, + Op = Rnd band 3, + State1 = frenzy_do_op(SelfPix, Op, (Rnd bsr 2), State0), + frenzy(SelfPix, State1). + +frenzy_do_op(SelfPix, Op, Rnd, {Pid0,RBins}=State0) -> + case Op of + 0 -> % add/remove process + Papa = self(), + NewPid = case Pid0 of + undefined -> % Prepare new process to be added + spawn(fun() -> + MRef = monitor(process, Papa), + case receive_any() of + {go, MyPix, MyState} -> + demonitor(MRef, [flush]), + frenzy(MyPix, MyState); + {'DOWN', MRef, process, Papa, _} -> + ok + end + end); + _ -> + Pid0 + end, + case monitor_frenzy_nif(Op, Rnd, SelfPix, NewPid) of + NewPix when is_integer(NewPix) -> + NewPid ! {go, NewPix, {undefined, []}}, + {undefined, RBins}; + ExitPid when is_pid(ExitPid) -> + false = (ExitPid =:= self()), + exit(ExitPid,die), + {NewPid, RBins}; + done -> + done + end; + + 3 -> + %% Try provoke revival-race of resource from magic ref external format + _ = [binary_to_term(B) || B <- RBins], + {Pid0, []}; + _ -> + case monitor_frenzy_nif(Op, Rnd, SelfPix, undefined) of + Rsrc when ?is_resource(Rsrc) -> + %% Store resource in ext format only, for later revival + State1 = {Pid0, [term_to_binary(Rsrc) | RBins]}, + gc_and_return(State1); + ok -> State0; + 0 -> State0; + 1 -> State0; + done -> done + end + end. + +gc_and_return(RetVal) -> + erlang:garbage_collect(), + RetVal. + hipe(Config) when is_list(Config) -> Data = proplists:get_value(data_dir, Config), Priv = proplists:get_value(priv_dir, Config), @@ -689,6 +1073,7 @@ maps(Config) when is_list(Config) -> {1, M2} = make_map_remove_nif(M2, "key3"), {0, undefined} = make_map_remove_nif(self(), key), + verify_tmpmem(TmpMem), ok. %% Test macros enif_make_list<N> and enif_make_tuple<N> @@ -748,7 +1133,7 @@ resource_hugo_do(Type) -> HugoBin = <<"Hugo Hacker">>, HugoPtr = alloc_resource(Type, HugoBin), Hugo = make_resource(HugoPtr), - <<>> = Hugo, + true = is_reference(Hugo), release_resource(HugoPtr), erlang:garbage_collect(), {HugoPtr,HugoBin} = get_resource(Type,Hugo), @@ -782,7 +1167,7 @@ resource_otto_do(Type) -> OttoBin = <<"Otto Ordonnans">>, OttoPtr = alloc_resource(Type, OttoBin), Otto = make_resource(OttoPtr), - <<>> = Otto, + true = is_reference(Otto), %% forget resource term but keep referenced by NIF {OttoPtr, OttoBin}. @@ -805,8 +1190,9 @@ resource_new_do2(Type) -> BinB = <<"NewB">>, ResA = make_new_resource(Type, BinA), ResB = make_new_resource(Type, BinB), - <<>> = ResA, - <<>> = ResB, + true = is_reference(ResA), + true = is_reference(ResB), + true = (ResA /= ResB), {PtrA,BinA} = get_resource(Type, ResA), {PtrB,BinB} = get_resource(Type, ResB), true = (PtrA =/= PtrB), @@ -1177,7 +1563,7 @@ resource_takeover(Config) when is_list(Config) -> [{load,1,1,101},{get_priv_data_ptr,1,2,102}] = nif_mod_call_history(), {NA7,BinNA7} = make_resource(0, Holder, "NA7"), - {AN7,BinAN7} = make_resource(1, Holder, "AN7"), + {AN7,_BinAN7} = make_resource(1, Holder, "AN7"), ok = forget_resource(NA7), [{{resource_dtor_A_v1,BinNA7},1,_,_}] = nif_mod_call_history(), @@ -1668,7 +2054,7 @@ otp_9828(Config) -> ensure_lib_loaded(Config, 1), otp_9828_loop(<<"I'm alive!">>, 1000). -otp_9828_loop(Bin, 0) -> +otp_9828_loop(_Bin, 0) -> ok; otp_9828_loop(Bin, Val) -> WrtBin = <<Bin/binary, Val:32>>, @@ -1910,6 +2296,19 @@ call(Pid,Cmd) -> receive_any() -> receive M -> M end. +receive_any(Timeout) -> + receive M -> M + after Timeout -> timeout end. + +flush() -> + flush(10). +flush(Timeout) -> + receive M -> + [M | flush(Timeout)] + after Timeout -> + [] + end. + repeat(0, _, Arg) -> Arg; repeat(N, Fun, Arg0) -> @@ -1941,7 +2340,7 @@ nif_raise_exceptions(NifFunc) -> -define(ERL_NIF_TIME_ERROR, -9223372036854775808). -define(TIME_UNITS, [second, millisecond, microsecond, nanosecond]). -nif_monotonic_time(Config) -> +nif_monotonic_time(_Config) -> ?ERL_NIF_TIME_ERROR = monotonic_time(invalid_time_unit), mtime_loop(1000000). @@ -1966,7 +2365,7 @@ chk_mtime([TU|TUs]) -> end, chk_mtime(TUs). -nif_time_offset(Config) -> +nif_time_offset(_Config) -> ?ERL_NIF_TIME_ERROR = time_offset(invalid_time_unit), toffs_loop(1000000). @@ -2004,7 +2403,7 @@ chk_toffs([TU|TUs]) -> end, chk_toffs(TUs). -nif_convert_time_unit(Config) -> +nif_convert_time_unit(_Config) -> ?ERL_NIF_TIME_ERROR = convert_time_unit(0, second, invalid_time_unit), ?ERL_NIF_TIME_ERROR = convert_time_unit(0, invalid_time_unit, second), ?ERL_NIF_TIME_ERROR = convert_time_unit(0, invalid_time_unit, invalid_time_unit), @@ -2273,6 +2672,17 @@ term_to_binary_nif(_, _) -> ?nif_stub. binary_to_term_nif(_, _, _) -> ?nif_stub. port_command_nif(_, _) -> ?nif_stub. format_term_nif(_,_) -> ?nif_stub. +select_nif(_,_,_,_,_) -> ?nif_stub. +pipe_nif() -> ?nif_stub. +write_nif(_,_) -> ?nif_stub. +read_nif(_,_) -> ?nif_stub. +is_closed_nif(_) -> ?nif_stub. +last_fd_stop_call() -> ?nif_stub. +alloc_monitor_resource_nif() -> ?nif_stub. +monitor_process_nif(_,_,_,_) -> ?nif_stub. +demonitor_process_nif(_,_) -> ?nif_stub. +compare_monitors_nif(_,_) -> ?nif_stub. +monitor_frenzy_nif(_,_,_,_) -> ?nif_stub. %% maps is_map_nif(_) -> ?nif_stub. diff --git a/erts/emulator/test/nif_SUITE_data/nif_SUITE.c b/erts/emulator/test/nif_SUITE_data/nif_SUITE.c index 4decb7f418..8fe5ee809a 100644 --- a/erts/emulator/test/nif_SUITE_data/nif_SUITE.c +++ b/erts/emulator/test/nif_SUITE_data/nif_SUITE.c @@ -23,12 +23,35 @@ #include <string.h> #include <assert.h> #include <limits.h> +#include <errno.h> #ifndef __WIN32__ #include <unistd.h> +#include <fcntl.h> #endif #include "nif_mod.h" +#if 0 +static ErlNifMutex* dbg_trace_lock; +#define DBG_TRACE_INIT dbg_trace_lock = enif_mutex_create("nif_SUITE.DBG_TRACE") +#define DBG_TRACE_FINI enif_mutex_destroy(dbg_trace_lock) +#define DBG_TRACE_LOCK enif_mutex_lock(dbg_trace_lock) +#define DBG_TRACE_UNLOCK enif_mutex_unlock(dbg_trace_lock) +#define DBG_TRACE0(FMT) do {DBG_TRACE_LOCK; enif_fprintf(stderr, FMT); DBG_TRACE_UNLOCK; }while(0) +#define DBG_TRACE1(FMT, A) do {DBG_TRACE_LOCK; enif_fprintf(stderr, FMT, A); DBG_TRACE_UNLOCK; }while(0) +#define DBG_TRACE2(FMT, A, B) do {DBG_TRACE_LOCK; enif_fprintf(stderr, FMT, A, B); DBG_TRACE_UNLOCK; }while(0) +#define DBG_TRACE3(FMT, A, B, C) do {DBG_TRACE_LOCK; enif_fprintf(stderr, FMT, A, B, C); DBG_TRACE_UNLOCK; }while(0) +#define DBG_TRACE4(FMT, A, B, C, D) do {DBG_TRACE_LOCK; enif_fprintf(stderr, FMT, A, B, C, D); DBG_TRACE_UNLOCK; }while(0) +#else +#define DBG_TRACE_INIT +#define DBG_TRACE_FINI +#define DBG_TRACE0(FMT) +#define DBG_TRACE1(FMT, A) +#define DBG_TRACE2(FMT, A, B) +#define DBG_TRACE3(FMT, A, B, C) +#define DBG_TRACE4(FMT, A, B, C, D) +#endif + static int static_cntA; /* zero by default */ static int static_cntB = NIF_SUITE_LIB_VER * 100; @@ -42,7 +65,17 @@ static ERL_NIF_TERM atom_second; static ERL_NIF_TERM atom_millisecond; static ERL_NIF_TERM atom_microsecond; static ERL_NIF_TERM atom_nanosecond; - +static ERL_NIF_TERM atom_eagain; +static ERL_NIF_TERM atom_eof; +static ERL_NIF_TERM atom_error; +static ERL_NIF_TERM atom_fd_resource_stop; +static ERL_NIF_TERM atom_monitor_resource_type; +static ERL_NIF_TERM atom_monitor_resource_down; +static ERL_NIF_TERM atom_init; +static ERL_NIF_TERM atom_stats; +static ERL_NIF_TERM atom_done; +static ERL_NIF_TERM atom_stop; +static ERL_NIF_TERM atom_null; typedef struct { @@ -102,6 +135,41 @@ struct binary_resource { unsigned size; }; +static ErlNifResourceType* fd_resource_type; +static void fd_resource_dtor(ErlNifEnv* env, void* obj); +static void fd_resource_stop(ErlNifEnv* env, void* obj, ErlNifEvent, int); +static ErlNifResourceTypeInit fd_rt_init = { + fd_resource_dtor, + fd_resource_stop +}; +struct fd_resource { + ErlNifEvent fd; + int was_selected; + ErlNifPid pid; +}; + +static ErlNifResourceType* monitor_resource_type; +static void monitor_resource_dtor(ErlNifEnv* env, void* obj); +static void monitor_resource_down(ErlNifEnv*, void* obj, ErlNifPid*, ErlNifMonitor*); +static ErlNifResourceTypeInit monitor_rt_init = { + monitor_resource_dtor, + NULL, + monitor_resource_down +}; +struct monitor_resource { + ErlNifPid receiver; + int use_msgenv; +}; + +static ErlNifResourceType* frenzy_resource_type; +static void frenzy_resource_dtor(ErlNifEnv* env, void* obj); +static void frenzy_resource_down(ErlNifEnv*, void* obj, ErlNifPid*, ErlNifMonitor*); +static ErlNifResourceTypeInit frenzy_rt_init = { + frenzy_resource_dtor, + NULL, + frenzy_resource_down +}; + static int get_pointer(ErlNifEnv* env, ERL_NIF_TERM term, void** pp) { ErlNifBinary bin; @@ -129,6 +197,8 @@ static int load(ErlNifEnv* env, void** priv_data, ERL_NIF_TERM load_info) data->call_history = NULL; data->nif_mod = NULL; + DBG_TRACE_INIT; + add_call(env, data, "load"); data->rt_arr[0].t = enif_open_resource_type(env,NULL,"Gold",resource_dtor, @@ -143,6 +213,16 @@ static int load(ErlNifEnv* env, void** priv_data, ERL_NIF_TERM load_info) msgenv_resource_type = enif_open_resource_type(env,NULL,"nif_SUITE.msgenv", msgenv_dtor, ERL_NIF_RT_CREATE, NULL); + fd_resource_type = enif_open_resource_type_x(env, "nif_SUITE.fd", + &fd_rt_init, + ERL_NIF_RT_CREATE, NULL); + monitor_resource_type = enif_open_resource_type_x(env, "nif_SUITE.monitor", + &monitor_rt_init, + ERL_NIF_RT_CREATE, NULL); + frenzy_resource_type = enif_open_resource_type_x(env, "nif_SUITE.monitor_frenzy", + &frenzy_rt_init, + ERL_NIF_RT_CREATE, NULL); + atom_false = enif_make_atom(env,"false"); atom_true = enif_make_atom(env,"true"); atom_self = enif_make_atom(env,"self"); @@ -153,6 +233,17 @@ static int load(ErlNifEnv* env, void** priv_data, ERL_NIF_TERM load_info) atom_millisecond = enif_make_atom(env,"millisecond"); atom_microsecond = enif_make_atom(env,"microsecond"); atom_nanosecond = enif_make_atom(env,"nanosecond"); + atom_eagain = enif_make_atom(env, "eagain"); + atom_eof = enif_make_atom(env, "eof"); + atom_error = enif_make_atom(env, "error"); + atom_fd_resource_stop = enif_make_atom(env, "fd_resource_stop"); + atom_monitor_resource_type = enif_make_atom(env, "monitor_resource_type"); + atom_monitor_resource_down = enif_make_atom(env, "monitor_resource_down"); + atom_init = enif_make_atom(env,"init"); + atom_stats = enif_make_atom(env,"stats"); + atom_done = enif_make_atom(env,"done"); + atom_stop = enif_make_atom(env,"stop"); + atom_null = enif_make_atom(env,"null"); *priv_data = data; return 0; @@ -206,6 +297,7 @@ static void unload(ErlNifEnv* env, void* priv_data) } enif_free(priv_data); } + DBG_TRACE_FINI; } static ERL_NIF_TERM lib_version(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) @@ -829,6 +921,9 @@ static ERL_NIF_TERM get_resource(ErlNifEnv* env, int argc, const ERL_NIF_TERM ar if (enif_is_identical(argv[0], atom_binary_resource_type)) { type.t = binary_resource_type; } + else if (enif_is_identical(argv[0], atom_monitor_resource_type)) { + type.t = monitor_resource_type; + } else { get_pointer(env, argv[0], &type.vp); } @@ -1027,6 +1122,7 @@ struct make_term_info unsigned reuse_push; unsigned reuse_pull; ErlNifResourceType* resource_type; + void *resource; ERL_NIF_TERM other_term; ERL_NIF_TERM blob; ErlNifPid to_pid; @@ -1106,10 +1202,6 @@ static ERL_NIF_TERM make_term_string(struct make_term_info* mti, int n) { return enif_make_string(mti->dst_env, "Hello!", ERL_NIF_LATIN1); } -static ERL_NIF_TERM make_term_ref(struct make_term_info* mti, int n) -{ - return enif_make_ref(mti->dst_env); -} static ERL_NIF_TERM make_term_sub_binary(struct make_term_info* mti, int n) { ERL_NIF_TERM orig; @@ -1139,12 +1231,7 @@ static ERL_NIF_TERM make_term_list0(struct make_term_info* mti, int n) } static ERL_NIF_TERM make_term_resource(struct make_term_info* mti, int n) { - void* resource = enif_alloc_resource(mti->resource_type, 10); - ERL_NIF_TERM term; - fill(resource, 10, n); - term = enif_make_resource(mti->dst_env, resource); - enif_release_resource(resource); - return term; + return enif_make_resource(mti->dst_env, mti->resource); } static ERL_NIF_TERM make_term_new_binary(struct make_term_info* mti, int n) { @@ -1217,7 +1304,6 @@ static Make_term_Func* make_funcs[] = { make_term_atom, make_term_existing_atom, make_term_string, - //make_term_ref, make_term_sub_binary, make_term_uint, make_term_long, @@ -1249,23 +1335,39 @@ static int make_term_n(struct make_term_info* mti, int n, ERL_NIF_TERM* res) return 0; } -static ERL_NIF_TERM make_blob(ErlNifEnv* caller_env, ErlNifEnv* dst_env, - ERL_NIF_TERM other_term) + +static void +init_make_blob(struct make_term_info *mti, + ErlNifEnv* caller_env, + ERL_NIF_TERM other_term) { PrivData* priv = (PrivData*) enif_priv_data(caller_env); + mti->caller_env = caller_env; + mti->resource_type = priv->rt_arr[0].t; + mti->resource = enif_alloc_resource(mti->resource_type, 10); + fill(mti->resource, 10, 17); + mti->other_term = other_term; +} + +static void +fini_make_blob(struct make_term_info *mti) +{ + enif_release_resource(mti->resource); +} + +static ERL_NIF_TERM make_blob(struct make_term_info *mti, + ErlNifEnv* dst_env) +{ ERL_NIF_TERM term, list; int n = 0; - struct make_term_info mti; - mti.caller_env = caller_env; - mti.dst_env = dst_env; - mti.dst_env_valid = 1; - mti.reuse_push = 0; - mti.reuse_pull = 0; - mti.resource_type = priv->rt_arr[0].t; - mti.other_term = other_term; + + mti->reuse_push = 0; + mti->reuse_pull = 0; + mti->dst_env = dst_env; + mti->dst_env_valid = 1; list = enif_make_list(dst_env, 0); - while (make_term_n(&mti, n++, &term)) { + while (make_term_n(mti, n++, &term)) { list = enif_make_list_cell(dst_env, term, list); } return list; @@ -1277,13 +1379,16 @@ static ERL_NIF_TERM send_new_blob(ErlNifEnv* env, int argc, const ERL_NIF_TERM a ERL_NIF_TERM msg, copy; ErlNifEnv* msg_env; int res; + struct make_term_info mti; if (!enif_get_local_pid(env, argv[0], &to)) { return enif_make_badarg(env); } msg_env = enif_alloc_env(); - msg = make_blob(env,msg_env, argv[1]); - copy = make_blob(env,env, argv[1]); + init_make_blob(&mti, env, argv[1]); + msg = make_blob(&mti,msg_env); + copy = make_blob(&mti,env); + fini_make_blob(&mti); res = enif_send(env, &to, msg_env, msg); enif_free_env(msg_env); return enif_make_tuple3(env, atom_ok, enif_make_int(env,res), copy); @@ -1303,6 +1408,8 @@ static ERL_NIF_TERM alloc_msgenv(ErlNifEnv* env, int argc, const ERL_NIF_TERM ar mti->reuse_push = 0; mti->reuse_pull = 0; mti->resource_type = priv->rt_arr[0].t; + mti->resource = enif_alloc_resource(mti->resource_type, 10); + fill(mti->resource, 10, 17); mti->other_term = enif_make_list(mti->dst_env, 0); mti->blob = enif_make_list(mti->dst_env, 0); mti->mtx = enif_mutex_create("nif_SUITE:mtx"); @@ -1320,6 +1427,7 @@ static void msgenv_dtor(ErlNifEnv* env, void* obj) if (mti->dst_env != NULL) { enif_free_env(mti->dst_env); } + enif_release_resource(mti->resource); enif_mutex_destroy(mti->mtx); enif_cond_destroy(mti->cond); } @@ -1475,7 +1583,6 @@ static ERL_NIF_TERM send_term(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[ static ERL_NIF_TERM send_copy_term(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) { - ErlNifEnv* menv; ErlNifPid pid; int ret; if (!enif_get_local_pid(env, argv[0], &pid)) { @@ -2019,6 +2126,733 @@ static ERL_NIF_TERM format_term(ErlNifEnv* env, int argc, const ERL_NIF_TERM arg } +static int get_fd(ErlNifEnv* env, ERL_NIF_TERM term, struct fd_resource** rsrc) +{ + if (!enif_get_resource(env, term, fd_resource_type, (void**)rsrc)) { + return 0; + } + return 1; +} + +static ERL_NIF_TERM select_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + struct fd_resource* fdr; + enum ErlNifSelectFlags mode; + void* obj; + ErlNifPid nifpid, *pid = NULL; + ERL_NIF_TERM ref; + int retval; + + if (!get_fd(env, argv[0], &fdr) + || !enif_get_uint(env, argv[1], (unsigned int*)&mode) + || !enif_get_resource(env, argv[2], fd_resource_type, &obj)) + { + return enif_make_badarg(env); + } + + if (argv[3] != atom_null) { + if (!enif_get_local_pid(env, argv[3], &nifpid)) + return enif_make_badarg(env); + pid = &nifpid; + } + ref = argv[4]; + + fdr->was_selected = 1; + enif_self(env, &fdr->pid); + retval = enif_select(env, fdr->fd, mode, obj, pid, ref); + + return enif_make_int(env, retval); +} + +#ifndef __WIN32__ +static ERL_NIF_TERM pipe_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + struct fd_resource* read_rsrc; + struct fd_resource* write_rsrc; + ERL_NIF_TERM read_fd, write_fd; + int fds[2], flags; + + if (pipe(fds) < 0) + return enif_make_string(env, "pipe failed", ERL_NIF_LATIN1); + + if ((flags = fcntl(fds[0], F_GETFL, 0)) < 0 + || fcntl(fds[0], F_SETFL, flags|O_NONBLOCK) < 0 + || (flags = fcntl(fds[1], F_GETFL, 0)) < 0 + || fcntl(fds[1], F_SETFL, flags|O_NONBLOCK) < 0) { + close(fds[0]); + close(fds[1]); + return enif_make_string(env, "fcntl failed on pipe", ERL_NIF_LATIN1); + } + + read_rsrc = enif_alloc_resource(fd_resource_type, sizeof(struct fd_resource)); + write_rsrc = enif_alloc_resource(fd_resource_type, sizeof(struct fd_resource)); + read_rsrc->fd = fds[0]; + read_rsrc->was_selected = 0; + write_rsrc->fd = fds[1]; + write_rsrc->was_selected = 0; + read_fd = enif_make_resource(env, read_rsrc); + write_fd = enif_make_resource(env, write_rsrc); + enif_release_resource(read_rsrc); + enif_release_resource(write_rsrc); + + return enif_make_tuple2(env, + enif_make_tuple2(env, read_fd, make_pointer(env, read_rsrc)), + enif_make_tuple2(env, write_fd, make_pointer(env, write_rsrc))); +} + +static ERL_NIF_TERM write_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + struct fd_resource* fdr; + ErlNifBinary bin; + int n, written = 0; + + if (!get_fd(env, argv[0], &fdr) + || !enif_inspect_binary(env, argv[1], &bin)) + return enif_make_badarg(env); + + for (;;) { + n = write(fdr->fd, bin.data + written, bin.size - written); + if (n >= 0) { + written += n; + if (written == bin.size) { + return atom_ok; + } + } + else if (errno == EAGAIN) { + return enif_make_tuple2(env, atom_eagain, enif_make_int(env, written)); + } + else if (errno == EINTR) { + continue; + } + else { + return enif_make_tuple2(env, atom_error, enif_make_int(env, errno)); + } + } +} + +static ERL_NIF_TERM read_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + struct fd_resource* fdr; + unsigned char* buf; + int n, count; + ERL_NIF_TERM res; + + if (!get_fd(env, argv[0], &fdr) + || !enif_get_int(env, argv[1], &count) || count < 1) + return enif_make_badarg(env); + + buf = enif_make_new_binary(env, count, &res); + + for (;;) { + n = read(fdr->fd, buf, count); + if (n > 0) { + if (n < count) { + res = enif_make_sub_binary(env, res, 0, n); + } + return res; + } + else if (n == 0) { + return atom_eof; + } + else if (errno == EAGAIN) { + return atom_eagain; + } + else if (errno == EINTR) { + continue; + } + else { + return enif_make_tuple2(env, atom_error, enif_make_int(env, errno)); + } + } +} + +static ERL_NIF_TERM is_closed_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + struct fd_resource* fdr; + + if (!get_fd(env, argv[0], &fdr)) + return enif_make_badarg(env); + + return fdr->fd < 0 ? atom_true : atom_false; +} +#endif /* !__WIN32__ */ + + +static void fd_resource_dtor(ErlNifEnv* env, void* obj) +{ + struct fd_resource* fdr = (struct fd_resource*)obj; + resource_dtor(env, obj); +#ifdef __WIN32__ + abort(); +#else + if (fdr->fd >= 0) { + assert(!fdr->was_selected); + close(fdr->fd); + } +#endif +} + +static struct { + void* obj; + int was_direct_call; +}last_fd_stop; +int fd_stop_cnt = 0; + +static void fd_resource_stop(ErlNifEnv* env, void* obj, ErlNifEvent fd, + int is_direct_call) +{ + struct fd_resource* fdr = (struct fd_resource*)obj; + assert(fd == fdr->fd); + assert(fd >= 0); + + last_fd_stop.obj = obj; + last_fd_stop.was_direct_call = is_direct_call; + fd_stop_cnt++; + + close(fd); + fdr->fd = -1; /* thread safety ? */ + fdr->was_selected = 0; + + { + ErlNifEnv* msg_env = enif_alloc_env(); + ERL_NIF_TERM msg; + msg = enif_make_tuple3(msg_env, + atom_fd_resource_stop, + make_pointer(msg_env, obj), + enif_make_int(msg_env, is_direct_call)); + + enif_send(env, &fdr->pid, msg_env, msg); + enif_free_env(msg_env); + } +} + +static ERL_NIF_TERM last_fd_stop_call(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + ERL_NIF_TERM last, ret; + last = enif_make_tuple2(env, make_pointer(env, last_fd_stop.obj), + enif_make_int(env, last_fd_stop.was_direct_call)); + ret = enif_make_tuple2(env, enif_make_int(env, fd_stop_cnt), last); + fd_stop_cnt = 0; + return ret; +} + + +static void monitor_resource_dtor(ErlNifEnv* env, void* obj) +{ + resource_dtor(env, obj); +} + +static ERL_NIF_TERM make_monitor(ErlNifEnv* env, const ErlNifMonitor* mon) +{ + ERL_NIF_TERM mon_bin; + memcpy(enif_make_new_binary(env, sizeof(ErlNifMonitor), &mon_bin), + mon, sizeof(ErlNifMonitor)); + return mon_bin; +} + +static int get_monitor(ErlNifEnv* env, ERL_NIF_TERM term, ErlNifMonitor* mon) +{ + ErlNifBinary bin; + if (!enif_inspect_binary(env, term, &bin) + || bin.size != sizeof(ErlNifMonitor)) + return 0; + memcpy(mon, bin.data, bin.size); + return 1; +} + +static void monitor_resource_down(ErlNifEnv* env, void* obj, ErlNifPid* pid, + ErlNifMonitor* mon) +{ + struct monitor_resource* rsrc = (struct monitor_resource*)obj; + ErlNifEnv* build_env; + ErlNifEnv* msg_env; + ERL_NIF_TERM msg; + + if (rsrc->use_msgenv) { + msg_env = enif_alloc_env(); + build_env = msg_env; + } + else { + msg_env = NULL; + build_env = env; + } + + msg = enif_make_tuple4(build_env, + atom_monitor_resource_down, + make_pointer(build_env, obj), + enif_make_pid(build_env, pid), + make_monitor(build_env, mon)); + + enif_send(env, &rsrc->receiver, msg_env, msg); + if (msg_env) + enif_free_env(msg_env); +} + +static ERL_NIF_TERM alloc_monitor_resource_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + struct monitor_resource* rsrc; + + rsrc = enif_alloc_resource(monitor_resource_type, sizeof(struct monitor_resource)); + + return make_pointer(env,rsrc); +} + +static ERL_NIF_TERM monitor_process_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + struct monitor_resource* rsrc; + ErlNifPid target; + ErlNifMonitor mon; + int res; + + if (!get_pointer(env, argv[0], (void**)&rsrc) + || !enif_get_local_pid(env, argv[1], &target) + || !enif_get_local_pid(env, argv[3], &rsrc->receiver)) { + return enif_make_badarg(env); + } + + rsrc->use_msgenv = (argv[2] == atom_true); + res = enif_monitor_process(env, rsrc, &target, &mon); + + return enif_make_tuple2(env, enif_make_int(env, res), make_monitor(env, &mon)); +} + +static ERL_NIF_TERM demonitor_process_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + struct monitor_resource* rsrc; + ErlNifMonitor mon; + int res; + + if (!get_pointer(env, argv[0], (void**)&rsrc) + || !get_monitor(env, argv[1], &mon)) { + return enif_make_badarg(env); + } + + res = enif_demonitor_process(env, rsrc, &mon); + + return enif_make_int(env, res); +} + +static ERL_NIF_TERM compare_monitors_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + ErlNifMonitor m1, m2; + if (!get_monitor(env, argv[0], &m1) + || !get_monitor(env, argv[1], &m2)) { + return enif_make_badarg(env); + } + + return enif_make_int(env, enif_compare_monitors(&m1, &m2)); +} + + +/*********** monitor_frenzy ************/ + +struct frenzy_rand_bits +{ + unsigned int source; + unsigned int bits_consumed; +}; + +static unsigned int frenzy_rand_bits_max; + +unsigned rand_bits(struct frenzy_rand_bits* rnd, unsigned int nbits) +{ + unsigned int res; + + rnd->bits_consumed += nbits; + assert(rnd->bits_consumed <= frenzy_rand_bits_max); + res = rnd->source & ((1 << nbits)-1); + rnd->source >>= nbits; + return res; +} + +#define FRENZY_PROCS_MAX_BITS 4 +#define FRENZY_PROCS_MAX (1 << FRENZY_PROCS_MAX_BITS) + +#define FRENZY_RESOURCES_MAX_BITS 4 +#define FRENZY_RESOURCES_MAX (1 << FRENZY_RESOURCES_MAX_BITS) + +#define FRENZY_MONITORS_MAX_BITS 4 +#define FRENZY_MONITORS_MAX (1 << FRENZY_MONITORS_MAX_BITS) + +struct frenzy_monitor { + ErlNifMutex* lock; + enum { + MON_FREE, MON_FREE_DOWN, MON_FREE_DEMONITOR, + MON_TRYING, MON_ACTIVE, MON_PENDING + } state; + ErlNifMonitor mon; + ErlNifPid pid; + unsigned int use_cnt; +}; + +struct frenzy_resource { + unsigned int rix; + struct frenzy_monitor monv[FRENZY_MONITORS_MAX]; +}; +struct frenzy_reslot { + ErlNifMutex* lock; + int stopped; + struct frenzy_resource* obj; + unsigned long alloc_cnt; + unsigned long release_cnt; + unsigned long dtor_cnt; +}; +static struct frenzy_reslot resv[FRENZY_RESOURCES_MAX]; + +static ERL_NIF_TERM monitor_frenzy_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + struct frenzy_proc { + ErlNifPid pid; + int is_free; + }; + static struct frenzy_proc procs[FRENZY_PROCS_MAX]; + static struct frenzy_proc* proc_refs[FRENZY_PROCS_MAX]; + static unsigned int nprocs, old_nprocs; + static ErlNifMutex* procs_lock; + static unsigned long spawn_cnt = 0; + static unsigned long kill_cnt = 0; + static unsigned long proc_histogram[FRENZY_PROCS_MAX]; + + static const unsigned int primes[] = {7, 13, 17, 19}; + + struct frenzy_resource* r; + struct frenzy_rand_bits rnd; + unsigned int op, inc, my_nprocs; + unsigned int mix; /* r->monv[] index */ + unsigned int rix; /* resv[] index */ + unsigned int pix; /* procs[] index */ + unsigned int ref_ix; /* proc_refs[] index */ + int self_pix, rv; + ERL_NIF_TERM retval = atom_error; + const ERL_NIF_TERM Op = argv[0]; + const ERL_NIF_TERM Rnd = argv[1]; + const ERL_NIF_TERM SelfPix = argv[2]; + const ERL_NIF_TERM NewPid = argv[3]; + + if (enif_is_atom(env, Op)) { + if (Op == atom_init) { + if (procs_lock || !enif_get_uint(env, Rnd, &frenzy_rand_bits_max)) + return enif_make_badarg(env); + + procs_lock = enif_mutex_create("nif_SUITE:monitor_frenzy.procs"); + nprocs = 0; + old_nprocs = 0; + for (pix = 0; pix < FRENZY_PROCS_MAX; pix++) { + proc_refs[pix] = &procs[pix]; + procs[pix].is_free = 1; + proc_histogram[pix] = 0; + } + for (rix = 0; rix < FRENZY_RESOURCES_MAX; rix++) { + resv[rix].lock = enif_mutex_create("nif_SUITE:monitor_frenzy.resv.lock"); + resv[rix].obj = NULL; + resv[rix].stopped = 0; + resv[rix].alloc_cnt = 0; + resv[rix].release_cnt = 0; + resv[rix].dtor_cnt = 0; + } + + /* Add self as first process */ + enif_self(env, &procs[0].pid); + procs[0].is_free = 0; + old_nprocs = ++nprocs; + + spawn_cnt = 1; + kill_cnt = 0; + return enif_make_uint(env, 0); /* SelfPix */ + } + else if (Op == atom_stats) { + ERL_NIF_TERM hist[FRENZY_PROCS_MAX]; + unsigned long res_alloc_cnt = 0; + unsigned long res_release_cnt = 0; + unsigned long res_dtor_cnt = 0; + for (ref_ix = 0; ref_ix < FRENZY_PROCS_MAX; ref_ix++) { + hist[ref_ix] = enif_make_ulong(env, proc_histogram[ref_ix]); + } + for (rix = 0; rix < FRENZY_RESOURCES_MAX; rix++) { + res_alloc_cnt += resv[rix].alloc_cnt; + res_release_cnt += resv[rix].release_cnt; + res_dtor_cnt += resv[rix].dtor_cnt; + } + + return + enif_make_list4(env, + enif_make_tuple2(env, enif_make_string(env, "proc_histogram", ERL_NIF_LATIN1), + enif_make_list_from_array(env, hist, FRENZY_PROCS_MAX)), + enif_make_tuple2(env, enif_make_string(env, "spawn_cnt", ERL_NIF_LATIN1), + enif_make_ulong(env, spawn_cnt)), + enif_make_tuple2(env, enif_make_string(env, "kill_cnt", ERL_NIF_LATIN1), + enif_make_ulong(env, kill_cnt)), + enif_make_tuple4(env, enif_make_string(env, "resource_alloc", ERL_NIF_LATIN1), + enif_make_ulong(env, res_alloc_cnt), + enif_make_ulong(env, res_release_cnt), + enif_make_ulong(env, res_dtor_cnt))); + + } + else if (Op == atom_stop && procs_lock) { /* stop all */ + + /* Release all resources */ + for (rix = 0; rix < FRENZY_RESOURCES_MAX; rix++) { + enif_mutex_lock(resv[rix].lock); + r = resv[rix].obj; + if (r) { + resv[rix].obj = NULL; + resv[rix].release_cnt++; + } + resv[rix].stopped = 1; + enif_mutex_unlock(resv[rix].lock); + if (r) + enif_release_resource(r); + } + + /* Remove and return all pids */ + retval = enif_make_list(env, 0); + enif_mutex_lock(procs_lock); + for (ref_ix = 0; ref_ix < nprocs; ref_ix++) { + assert(!proc_refs[ref_ix]->is_free); + retval = enif_make_list_cell(env, enif_make_pid(env, &proc_refs[ref_ix]->pid), + retval); + proc_refs[ref_ix]->is_free = 1; + } + kill_cnt += nprocs; + nprocs = 0; + old_nprocs = 0; + enif_mutex_unlock(procs_lock); + + return retval; + } + return enif_make_badarg(env); + } + + if (!enif_get_int(env, SelfPix, &self_pix) || + !enif_get_uint(env, Op, &op) || + !enif_get_uint(env, Rnd, &rnd.source)) + return enif_make_badarg(env); + + rnd.bits_consumed = 0; + switch (op) { + case 0: { /* add/remove process */ + ErlNifPid self; + enif_self(env, &self); + + ref_ix = rand_bits(&rnd, FRENZY_PROCS_MAX_BITS) % FRENZY_PROCS_MAX; + enif_mutex_lock(procs_lock); + if (procs[self_pix].is_free || procs[self_pix].pid.pid != self.pid) { + /* Some one already removed me */ + enif_mutex_unlock(procs_lock); + return atom_done; + } + if (ref_ix >= nprocs || nprocs < 2) { /* add process */ + ref_ix = nprocs++; + pix = proc_refs[ref_ix] - procs; + assert(procs[pix].is_free); + if (!enif_get_local_pid(env, NewPid, &procs[pix].pid)) + abort(); + procs[pix].is_free = 0; + spawn_cnt++; + proc_histogram[ref_ix]++; + old_nprocs = nprocs; + enif_mutex_unlock(procs_lock); + DBG_TRACE2("Add pid %T, nprocs = %u\n", NewPid, nprocs); + retval = enif_make_uint(env, pix); + } + else { /* remove process */ + pix = proc_refs[ref_ix] - procs; + if (pix == self_pix) { + ref_ix = (ref_ix + 1) % nprocs; + pix = proc_refs[ref_ix] - procs; + } + assert(procs[pix].pid.pid != self.pid); + assert(!procs[pix].is_free); + retval = enif_make_pid(env, &procs[pix].pid); + --nprocs; + assert(!proc_refs[nprocs]->is_free); + if (ref_ix != nprocs) { + struct frenzy_proc* tmp = proc_refs[ref_ix]; + proc_refs[ref_ix] = proc_refs[nprocs]; + proc_refs[nprocs] = tmp; + } + procs[pix].is_free = 1; + proc_histogram[nprocs]++; + kill_cnt++; + enif_mutex_unlock(procs_lock); + DBG_TRACE2("Removed pid %T, nprocs = %u\n", retval, nprocs); + } + break; + } + case 1: + case 2: /* create/delete/lookup resource */ + rix = rand_bits(&rnd, FRENZY_RESOURCES_MAX_BITS) % FRENZY_RESOURCES_MAX; + inc = primes[rand_bits(&rnd, 2)]; + while (enif_mutex_trylock(resv[rix].lock) == EBUSY) { + rix = (rix + inc) % FRENZY_RESOURCES_MAX; + } + if (resv[rix].stopped) { + retval = atom_done; + enif_mutex_unlock(resv[rix].lock); + break; + } + else if (resv[rix].obj == NULL) { + r = enif_alloc_resource(frenzy_resource_type, + sizeof(struct frenzy_resource)); + resv[rix].obj = r; + resv[rix].alloc_cnt++; + r->rix = rix; + for (mix = 0; mix < FRENZY_MONITORS_MAX; mix++) { + r->monv[mix].lock = enif_mutex_create("nif_SUITE:monitor_frenzy.monv.lock"); + r->monv[mix].state = MON_FREE; + r->monv[mix].use_cnt = 0; + r->monv[mix].pid.pid = 0; /* null-pid */ + } + DBG_TRACE2("New resource at r=%p rix=%u\n", r, rix); + } + else { + unsigned int resource_op = rand_bits(&rnd, 3); + r = resv[rix].obj; + if (resource_op == 0) { /* delete resource */ + resv[rix].obj = NULL; + resv[rix].release_cnt++; + enif_mutex_unlock(resv[rix].lock); + DBG_TRACE2("Delete resource at r=%p rix=%u\n", r, rix); + enif_release_resource(r); + retval = atom_ok; + break; + } + else if (resource_op == 1) { /* return resource */ + retval = enif_make_resource(env, r); + enif_mutex_unlock(resv[rix].lock); + break; + } + } + enif_keep_resource(r); + enif_mutex_unlock(resv[rix].lock); + + /* monitor/demonitor */ + + mix = rand_bits(&rnd, FRENZY_MONITORS_MAX_BITS) % FRENZY_MONITORS_MAX; + inc = primes[rand_bits(&rnd, 2)]; + while (enif_mutex_trylock(r->monv[mix].lock) == EBUSY) { + mix = (mix + inc) % FRENZY_MONITORS_MAX; + } + switch (r->monv[mix].state) { + case MON_FREE: + case MON_FREE_DOWN: + case MON_FREE_DEMONITOR: { /* do monitor */ + /* + * Use an old possibly larger value of 'nprocs', to increase + * probability of monitoring an already terminated process + */ + my_nprocs = old_nprocs; + if (my_nprocs > 0) { + int save_state = r->monv[mix].state; + ref_ix = rand_bits(&rnd, FRENZY_PROCS_MAX_BITS) % my_nprocs; + pix = proc_refs[ref_ix] - procs; + r->monv[mix].pid.pid = procs[pix].pid.pid; /* "atomic" */ + r->monv[mix].state = MON_TRYING; + rv = enif_monitor_process(env, r, &r->monv[mix].pid, &r->monv[mix].mon); + if (rv == 0) { + r->monv[mix].state = MON_ACTIVE; + r->monv[mix].use_cnt++; + DBG_TRACE3("Monitor from r=%p rix=%u to %T\n", + r, r->rix, r->monv[mix].pid.pid); + } + else { + r->monv[mix].state = save_state; + DBG_TRACE4("Monitor from r=%p rix=%u to %T FAILED with %d\n", + r, r->rix, r->monv[mix].pid.pid, rv); + } + retval = enif_make_int(env,rv); + } + else { + DBG_TRACE0("No pids to monitor\n"); + retval = atom_ok; + } + break; + } + case MON_ACTIVE: /* do demonitor */ + rv = enif_demonitor_process(env, r, &r->monv[mix].mon); + if (rv == 0) { + DBG_TRACE3("Demonitor from r=%p rix=%u to %T\n", + r, r->rix, r->monv[mix].pid.pid); + r->monv[mix].state = MON_FREE_DEMONITOR; + } + else { + DBG_TRACE4("Demonitor from r=%p rix=%u to %T FAILED with %d\n", + r, r->rix, r->monv[mix].pid.pid, rv); + r->monv[mix].state = MON_PENDING; + } + retval = enif_make_int(env,rv); + break; + + case MON_PENDING: /* waiting for 'down' callback, do nothing */ + retval = atom_ok; + break; + default: + abort(); + break; + } + enif_mutex_unlock(r->monv[mix].lock); + enif_release_resource(r); + break; + + case 3: /* no-op */ + retval = atom_ok; + break; + } + + { + int percent = (rand_bits(&rnd, 6) + 1) * 2; /* 2 to 128 */ + if (percent <= 100) + enif_consume_timeslice(env, percent); + } + + return retval; +} + +static void frenzy_resource_dtor(ErlNifEnv* env, void* obj) +{ + struct frenzy_resource* r = (struct frenzy_resource*) obj; + unsigned int mix; + + DBG_TRACE2("DTOR r=%p rix=%u\n", r, r->rix); + + enif_mutex_lock(resv[r->rix].lock); + resv[r->rix].dtor_cnt++; + enif_mutex_unlock(resv[r->rix].lock); + + for (mix = 0; mix < FRENZY_MONITORS_MAX; mix++) { + assert(r->monv[mix].state != MON_PENDING); + enif_mutex_destroy(r->monv[mix].lock); + r->monv[mix].lock = NULL; + } + +} + +static void frenzy_resource_down(ErlNifEnv* env, void* obj, ErlNifPid* pid, + ErlNifMonitor* mon) +{ + struct frenzy_resource* r = (struct frenzy_resource*) obj; + unsigned int mix; + + DBG_TRACE3("DOWN pid=%T, r=%p rix=%u\n", pid->pid, r, r->rix); + + for (mix = 0; mix < FRENZY_MONITORS_MAX; mix++) { + if (r->monv[mix].pid.pid == pid->pid && r->monv[mix].state >= MON_TRYING) { + enif_mutex_lock(r->monv[mix].lock); + if (enif_compare_monitors(mon, &r->monv[mix].mon) == 0) { + assert(r->monv[mix].state >= MON_ACTIVE); + r->monv[mix].state = MON_FREE_DOWN; + enif_mutex_unlock(r->monv[mix].lock); + return; + } + enif_mutex_unlock(r->monv[mix].lock); + } + } + enif_fprintf(stderr, "DOWN called for unknown monitor\n"); + abort(); +} + + + static ErlNifFunc nif_funcs[] = { {"lib_version", 0, lib_version}, @@ -2095,7 +2929,20 @@ static ErlNifFunc nif_funcs[] = {"term_to_binary_nif", 2, term_to_binary}, {"binary_to_term_nif", 3, binary_to_term}, {"port_command_nif", 2, port_command}, - {"format_term_nif", 2, format_term} + {"format_term_nif", 2, format_term}, + {"select_nif", 5, select_nif}, +#ifndef __WIN32__ + {"pipe_nif", 0, pipe_nif}, + {"write_nif", 2, write_nif}, + {"read_nif", 2, read_nif}, + {"is_closed_nif", 1, is_closed_nif}, +#endif + {"last_fd_stop_call", 0, last_fd_stop_call}, + {"alloc_monitor_resource_nif", 0, alloc_monitor_resource_nif}, + {"monitor_process_nif", 4, monitor_process_nif}, + {"demonitor_process_nif", 2, demonitor_process_nif}, + {"compare_monitors_nif", 2, compare_monitors_nif}, + {"monitor_frenzy_nif", 4, monitor_frenzy_nif} }; ERL_NIF_INIT(nif_SUITE,nif_funcs,load,NULL,upgrade,unload) diff --git a/erts/emulator/test/nif_SUITE_data/nif_mod.c b/erts/emulator/test/nif_SUITE_data/nif_mod.c index e6106b6036..04699d3327 100644 --- a/erts/emulator/test/nif_SUITE_data/nif_mod.c +++ b/erts/emulator/test/nif_SUITE_data/nif_mod.c @@ -176,6 +176,7 @@ static void do_load_info(ErlNifEnv* env, ERL_NIF_TERM load_info, int* retvalp) CHECK(enif_is_empty_list(env, head)); } +#if NIF_LIB_VER != 3 static int load(ErlNifEnv* env, void** priv, ERL_NIF_TERM load_info) { NifModPrivData* data; @@ -230,6 +231,7 @@ static void unload(ErlNifEnv* env, void* priv) add_call(env, data, "unload"); NifModPrivData_release(data); } +#endif /* NIF_LIB_VER != 3 */ static ERL_NIF_TERM lib_version(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) { diff --git a/erts/emulator/test/node_container_SUITE.erl b/erts/emulator/test/node_container_SUITE.erl index af18545bff..291d3ee30d 100644 --- a/erts/emulator/test/node_container_SUITE.erl +++ b/erts/emulator/test/node_container_SUITE.erl @@ -50,7 +50,8 @@ port_wrap/1, bad_nc/1, unique_pid/1, - iter_max_procs/1]). + iter_max_procs/1, + magic_ref/1]). suite() -> [{ct_hooks,[ts_install_cth]}, @@ -62,7 +63,7 @@ all() -> node_table_gc, dist_link_refc, dist_monitor_refc, node_controller_refc, ets_refc, match_spec_refc, timer_refc, otp_4715, pid_wrap, port_wrap, bad_nc, - unique_pid, iter_max_procs]. + unique_pid, iter_max_procs, magic_ref]. init_per_suite(Config) -> Config. @@ -152,7 +153,7 @@ ttbtteq_do_remote(RNode) -> %% %% Test case: round_trip_eq %% -%% Tests that node containers that are sent beteen nodes stay equal to themselves. +%% Tests that node containers that are sent between nodes stay equal to themselves. round_trip_eq(Config) when is_list(Config) -> ThisNode = {node(), erlang:system_info(creation)}, NodeFirstName = get_nodefirstname(), @@ -889,10 +890,46 @@ chk_max_proc_line_until(NoMoreTests, Res) -> chk_max_proc_line_until(NoMoreTests, Res) end. +magic_ref(Config) when is_list(Config) -> + {MRef0, Addr0} = erts_debug:set_internal_state(make, magic_ref), + true = is_reference(MRef0), + {Addr0, 1, true} = erts_debug:get_internal_state({magic_ref,MRef0}), + MRef1 = binary_to_term(term_to_binary(MRef0)), + {Addr0, 2, true} = erts_debug:get_internal_state({magic_ref,MRef1}), + MRef0 = MRef1, + Me = self(), + {Pid, Mon} = spawn_opt(fun () -> + receive + {Me, MRef} -> + Me ! {self(), erts_debug:get_internal_state({magic_ref,MRef})} + end + end, + [link, monitor]), + Pid ! {self(), MRef0}, + receive + {Pid, Info} -> + {Addr0, 3, true} = Info + end, + receive + {'DOWN', Mon, process, Pid, _} -> + ok + end, + {Addr0, 2, true} = erts_debug:get_internal_state({magic_ref,MRef0}), + id(MRef0), + id(MRef1), + MRefExt = term_to_binary(erts_debug:set_internal_state(make, magic_ref)), + garbage_collect(), + {MRef2, _Addr2} = binary_to_term(MRefExt), + true = is_reference(MRef2), + true = erts_debug:get_internal_state({magic_ref,MRef2}), + ok. %% %% -- Internal utils --------------------------------------------------------- %% +id(X) -> + X. + -define(ND_REFS, erts_debug:get_internal_state(node_and_dist_references)). node_container_refc_check(Node) when is_atom(Node) -> diff --git a/erts/emulator/test/num_bif_SUITE.erl b/erts/emulator/test/num_bif_SUITE.erl index 1a1ab0e5e0..f62eb0b430 100644 --- a/erts/emulator/test/num_bif_SUITE.erl +++ b/erts/emulator/test/num_bif_SUITE.erl @@ -108,7 +108,7 @@ t_float(Config) when is_list(Config) -> 4294967305.0 = float(id(4294967305)), -4294967305.0 = float(id(-4294967305)), - %% Extremly big bignums. + %% Extremely big bignums. Big = id(list_to_integer(id(lists:duplicate(2000, $1)))), {'EXIT', {badarg, _}} = (catch float(Big)), @@ -295,6 +295,9 @@ t_round(Config) when is_list(Config) -> 4294967297 = round(id(4294967296.9)), -4294967296 = -round(id(4294967296.1)), -4294967297 = -round(id(4294967296.9)), + + 6209607916799025 = round(id(6209607916799025.0)), + -6209607916799025 = round(id(-6209607916799025.0)), ok. %% Test trunc/1, floor/1, ceil/1, and round/1. diff --git a/erts/emulator/test/os_signal_SUITE.erl b/erts/emulator/test/os_signal_SUITE.erl new file mode 100644 index 0000000000..6bafb0e18c --- /dev/null +++ b/erts/emulator/test/os_signal_SUITE.erl @@ -0,0 +1,357 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2017. All Rights Reserved. +%% +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at +%% +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. +%% +%% %CopyrightEnd% +%% + +%% +%% File: os_signal_SUITE.erl +%% Author: Björn-Egil Dahlberg +%% Created: 2017-01-13 +%% + +-module(os_signal_SUITE). + +-include_lib("common_test/include/ct.hrl"). +-export([all/0, suite/0]). +-export([init_per_testcase/2, end_per_testcase/2]). +-export([init_per_suite/1, end_per_suite/1]). + +-export([set_alarm/1, fork/0, get_exit_code/1]). + +% Test cases +-export([set_unset/1, + t_sighup/1, + t_sigusr1/1, + t_sigusr2/1, + t_sigterm/1, + t_sigalrm/1, + t_sigchld/1, + t_sigchld_fork/1]). + +-define(signal_server, erl_signal_server). + +suite() -> + [{ct_hooks,[ts_install_cth]}, + {timetrap, {minutes, 2}}]. + +all() -> + case os:type() of + {win32, _} -> []; + _ -> [set_unset, + t_sighup, + t_sigusr1, + t_sigusr2, + t_sigterm, + t_sigalrm, + t_sigchld, + t_sigchld_fork] + end. + +init_per_testcase(Func, Config) when is_atom(Func), is_list(Config) -> + Pid = erlang:whereis(?signal_server), + true = erlang:unregister(?signal_server), + [{signal_server, Pid}|Config]. + +end_per_testcase(_Func, Config) -> + case proplists:get_value(signal_server, Config) of + undefined -> ok; + Pid -> + true = erlang:register(?signal_server, Pid), + ok + end. + +init_per_suite(Config) -> + load_nif(Config), + Config. + +end_per_suite(_Config) -> + ok. + +%% tests + +set_unset(_Config) -> + Signals = [sighup, %sigint, + sigquit, %sigill, + sigabrt, + sigalrm, sigterm, + sigusr1, sigusr2, + sigchld, + sigstop, sigtstp], + F1 = fun(Sig) -> ok = os:set_signal(Sig,handle) end, + F2 = fun(Sig) -> ok = os:set_signal(Sig,default) end, + F3 = fun(Sig) -> ok = os:set_signal(Sig,ignore) end, + %% set handle + ok = lists:foreach(F1, Signals), + %% set ignore + ok = lists:foreach(F2, Signals), + %% set default + ok = lists:foreach(F3, Signals), + ok. + +t_sighup(_Config) -> + Pid1 = setup_service(), + OsPid = os:getpid(), + os:set_signal(sighup, handle), + ok = kill("HUP", OsPid), + ok = kill("HUP", OsPid), + ok = kill("HUP", OsPid), + Msgs1 = fetch_msgs(Pid1), + io:format("Msgs1: ~p~n", [Msgs1]), + [{notify,sighup}, + {notify,sighup}, + {notify,sighup}] = Msgs1, + %% no proc + ok = kill("HUP", OsPid), + ok = kill("HUP", OsPid), + ok = kill("HUP", OsPid), + %% ignore + Pid2 = setup_service(), + os:set_signal(sighup, ignore), + ok = kill("HUP", OsPid), + ok = kill("HUP", OsPid), + ok = kill("HUP", OsPid), + Msgs2 = fetch_msgs(Pid2), + io:format("Msgs2: ~p~n", [Msgs2]), + [] = Msgs2, + %% reset to handle (it's the default) + os:set_signal(sighup, handle), + ok. + +t_sigusr1(_Config) -> + Pid1 = setup_service(), + OsPid = os:getpid(), + os:set_signal(sigusr1, handle), + ok = kill("USR1", OsPid), + ok = kill("USR1", OsPid), + ok = kill("USR1", OsPid), + Msgs1 = fetch_msgs(Pid1), + io:format("Msgs1: ~p~n", [Msgs1]), + [{notify,sigusr1}, + {notify,sigusr1}, + {notify,sigusr1}] = Msgs1, + %% no proc + ok = kill("USR1", OsPid), + ok = kill("USR1", OsPid), + ok = kill("USR1", OsPid), + %% ignore + Pid2 = setup_service(), + os:set_signal(sigusr1, ignore), + ok = kill("USR1", OsPid), + ok = kill("USR1", OsPid), + ok = kill("USR1", OsPid), + Msgs2 = fetch_msgs(Pid2), + io:format("Msgs2: ~p~n", [Msgs2]), + [] = Msgs2, + %% reset to ignore (it's the default) + os:set_signal(sigusr1, handle), + ok. + +t_sigusr2(_Config) -> + Pid1 = setup_service(), + OsPid = os:getpid(), + os:set_signal(sigusr2, handle), + ok = kill("USR2", OsPid), + ok = kill("USR2", OsPid), + ok = kill("USR2", OsPid), + Msgs1 = fetch_msgs(Pid1), + io:format("Msgs1: ~p~n", [Msgs1]), + [{notify,sigusr2}, + {notify,sigusr2}, + {notify,sigusr2}] = Msgs1, + %% no proc + ok = kill("USR2", OsPid), + ok = kill("USR2", OsPid), + ok = kill("USR2", OsPid), + %% ignore + Pid2 = setup_service(), + os:set_signal(sigusr2, ignore), + ok = kill("USR2", OsPid), + ok = kill("USR2", OsPid), + ok = kill("USR2", OsPid), + Msgs2 = fetch_msgs(Pid2), + io:format("Msgs2: ~p~n", [Msgs2]), + [] = Msgs2, + %% reset to ignore (it's the default) + os:set_signal(sigusr2, ignore), + ok. + +t_sigterm(_Config) -> + Pid1 = setup_service(), + OsPid = os:getpid(), + os:set_signal(sigterm, handle), + ok = kill("TERM", OsPid), + ok = kill("TERM", OsPid), + ok = kill("TERM", OsPid), + Msgs1 = fetch_msgs(Pid1), + io:format("Msgs1: ~p~n", [Msgs1]), + [{notify,sigterm}, + {notify,sigterm}, + {notify,sigterm}] = Msgs1, + %% no proc + ok = kill("TERM", OsPid), + ok = kill("TERM", OsPid), + ok = kill("TERM", OsPid), + %% ignore + Pid2 = setup_service(), + os:set_signal(sigterm, ignore), + ok = kill("TERM", OsPid), + ok = kill("TERM", OsPid), + ok = kill("TERM", OsPid), + Msgs2 = fetch_msgs(Pid2), + io:format("Msgs2: ~p~n", [Msgs2]), + [] = Msgs2, + %% reset to handle (it's the default) + os:set_signal(sigterm, handle), + ok. + +t_sigchld(_Config) -> + Pid1 = setup_service(), + OsPid = os:getpid(), + os:set_signal(sigchld, handle), + ok = kill("CHLD", OsPid), + ok = kill("CHLD", OsPid), + ok = kill("CHLD", OsPid), + Msgs1 = fetch_msgs(Pid1), + io:format("Msgs1: ~p~n", [Msgs1]), + [{notify,sigchld}, + {notify,sigchld}, + {notify,sigchld}] = Msgs1, + %% no proc + ok = kill("CHLD", OsPid), + ok = kill("CHLD", OsPid), + ok = kill("CHLD", OsPid), + %% ignore + Pid2 = setup_service(), + os:set_signal(sigchld, ignore), + ok = kill("CHLD", OsPid), + ok = kill("CHLD", OsPid), + ok = kill("CHLD", OsPid), + Msgs2 = fetch_msgs(Pid2), + io:format("Msgs2: ~p~n", [Msgs2]), + [] = Msgs2, + %% reset to handle (it's the default) + os:set_signal(sigchld, ignore), + ok. + + +t_sigalrm(_Config) -> + Pid1 = setup_service(), + ok = os:set_signal(sigalrm, handle), + ok = os_signal_SUITE:set_alarm(1), + receive after 3000 -> ok end, + Msgs1 = fetch_msgs(Pid1), + [{notify,sigalrm}] = Msgs1, + io:format("Msgs1: ~p~n", [Msgs1]), + os:set_signal(sigalrm, ignore), + Pid2 = setup_service(), + ok = os_signal_SUITE:set_alarm(1), + receive after 3000 -> ok end, + Msgs2 = fetch_msgs(Pid2), + [] = Msgs2, + io:format("Msgs2: ~p~n", [Msgs2]), + Pid3 = setup_service(), + os:set_signal(sigalrm, handle), + ok = os_signal_SUITE:set_alarm(1), + receive after 3000 -> ok end, + Msgs3 = fetch_msgs(Pid3), + [{notify,sigalrm}] = Msgs3, + io:format("Msgs3: ~p~n", [Msgs3]), + os:set_signal(sigalrm, ignore), + ok. + +t_sigchld_fork(_Config) -> + Pid1 = setup_service(), + ok = os:set_signal(sigchld, handle), + {ok,OsPid} = os_signal_SUITE:fork(), + receive after 3000 -> ok end, + Msgs1 = fetch_msgs(Pid1), + io:format("Msgs1: ~p~n", [Msgs1]), + [{notify,sigchld}] = Msgs1, + {ok,Status} = os_signal_SUITE:get_exit_code(OsPid), + io:format("exit status from ~w : ~w~n", [OsPid,Status]), + 42 = Status, + %% reset to ignore (it's the default) + os:set_signal(sigchld, ignore), + ok. + + +%% nif stubs + +set_alarm(_Secs) -> no. +fork() -> no. +get_exit_code(_OsPid) -> no. + +%% aux + +setup_service() -> + Pid = spawn_link(fun msgs/0), + true = erlang:register(?signal_server, Pid), + Pid. + +msgs() -> + msgs([]). +msgs(Ms) -> + receive + {Pid, fetch_msgs} -> Pid ! {self(), lists:reverse(Ms)}; + Msg -> + msgs([Msg|Ms]) + end. + +fetch_msgs(Pid) -> + Pid ! {self(), fetch_msgs}, + receive {Pid, Msgs} -> Msgs end. + +kill(Signal, Pid) -> + {0,_} = run("kill", ["-s", Signal, Pid]), + receive after 200 -> ok end, + ok. + +load_nif(Config) -> + Path = proplists:get_value(data_dir, Config), + case erlang:load_nif(filename:join(Path,"os_signal_nif"), 0) of + ok -> ok; + {error,{reload,_}} -> ok + end. + +run(Program0, Args) -> run(".", Program0, Args). +run(Cwd, Program0, Args) when is_list(Cwd) -> + Program = case os:find_executable(Program0) of + Path when is_list(Path) -> + Path; + false -> + exit(no) + end, + Options = [{args,Args},binary,exit_status,stderr_to_stdout, + {line,4096}, {cd, Cwd}], + try open_port({spawn_executable,Program}, Options) of + Port -> + run_loop(Port, []) + catch + error:_ -> + exit(no) + end. + +run_loop(Port, Output) -> + receive + {Port,{exit_status,Status}} -> + {Status,lists:reverse(Output)}; + {Port,{data,{eol,Bin}}} -> + run_loop(Port, [Bin|Output]); + _Msg -> + run_loop(Port, Output) + end. diff --git a/erts/emulator/test/os_signal_SUITE_data/Makefile.src b/erts/emulator/test/os_signal_SUITE_data/Makefile.src new file mode 100644 index 0000000000..a7f5cdbba5 --- /dev/null +++ b/erts/emulator/test/os_signal_SUITE_data/Makefile.src @@ -0,0 +1,6 @@ + +NIF_LIBS = os_signal_nif@dll@ + +all: $(NIF_LIBS) + +@SHLIB_RULES@ diff --git a/erts/emulator/test/os_signal_SUITE_data/os_signal_nif.c b/erts/emulator/test/os_signal_SUITE_data/os_signal_nif.c new file mode 100644 index 0000000000..78e1348383 --- /dev/null +++ b/erts/emulator/test/os_signal_SUITE_data/os_signal_nif.c @@ -0,0 +1,66 @@ +#include <sys/wait.h> +#include <stdlib.h> +#include <unistd.h> +#include <stdio.h> + +#include <erl_nif.h> + +static int load(ErlNifEnv* env, void** priv_data, ERL_NIF_TERM load_info) +{ + return 0; +} + +static ERL_NIF_TERM set_alarm(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + int t; + if (!enif_get_int(env, argv[0], &t)) { + return enif_make_badarg(env); + } + + alarm(t); + + return enif_make_atom(env, "ok"); +} + +static ERL_NIF_TERM fork_0(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + pid_t pid; + + pid = fork(); + + if (pid == 0) { + /* child */ + exit(42); + } + + return enif_make_tuple(env, 2, + enif_make_atom(env, "ok"), + enif_make_int(env, (int)pid)); +} + +static ERL_NIF_TERM get_exit_code(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + int x; + pid_t pid; + if (!enif_get_int(env, argv[0], &x)) { + return enif_make_badarg(env); + } + + pid = (pid_t) x; + + waitpid(pid, &x, 0); + + return enif_make_tuple(env, 2, + enif_make_atom(env, "ok"), + enif_make_int(env, WEXITSTATUS(x))); +} + + +static ErlNifFunc nif_funcs[] = +{ + {"set_alarm", 1, set_alarm}, + {"fork", 0, fork_0}, + {"get_exit_code", 1, get_exit_code} +}; + +ERL_NIF_INIT(os_signal_SUITE,nif_funcs,load,NULL,NULL,NULL) diff --git a/erts/emulator/test/port_SUITE.erl b/erts/emulator/test/port_SUITE.erl index 2a13b2d2f4..c117554f90 100644 --- a/erts/emulator/test/port_SUITE.erl +++ b/erts/emulator/test/port_SUITE.erl @@ -2131,7 +2131,7 @@ ping(Config, Sizes, HSize, CmdLine, Options) -> %% Sizes = Size of packets to generated. %% HSize = Header size: 1, 2, or 4 %% CmdLine = Additional command line options. -%% Options = Addtional port options. +%% Options = Additional port options. expect_input(Config, Sizes, HSize, CmdLine, Options) -> expect_input1(Config, Sizes, {HSize, CmdLine, Options}, [], []). diff --git a/erts/emulator/test/port_SUITE_data/port_test.c b/erts/emulator/test/port_SUITE_data/port_test.c index e199a0fc13..fa97b4c9d0 100644 --- a/erts/emulator/test/port_SUITE_data/port_test.c +++ b/erts/emulator/test/port_SUITE_data/port_test.c @@ -41,7 +41,7 @@ extern int errno; typedef struct { char* progname; /* Name of this program (from argv[0]). */ int header_size; /* Number of bytes in each packet header: - * 1, 2, or 4, or 0 for a continous byte stream. */ + * 1, 2, or 4, or 0 for a continuous byte stream. */ int fd_from_erl; /* File descriptor from Erlang. */ int fd_to_erl; /* File descriptor to Erlang. */ unsigned char* io_buf; /* Buffer for file i/o. */ diff --git a/erts/emulator/test/port_bif_SUITE_data/port_test.c b/erts/emulator/test/port_bif_SUITE_data/port_test.c index 28324a56a6..923ab99ccc 100644 --- a/erts/emulator/test/port_bif_SUITE_data/port_test.c +++ b/erts/emulator/test/port_bif_SUITE_data/port_test.c @@ -39,7 +39,7 @@ extern int errno; typedef struct { char* progname; /* Name of this program (from argv[0]). */ int header_size; /* Number of bytes in each packet header: - * 1, 2, or 4, or 0 for a continous byte stream. */ + * 1, 2, or 4, or 0 for a continuous byte stream. */ int fd_from_erl; /* File descriptor from Erlang. */ int fd_to_erl; /* File descriptor to Erlang. */ unsigned char* io_buf; /* Buffer for file i/o. */ diff --git a/erts/emulator/test/prim_eval_SUITE.erl b/erts/emulator/test/prim_eval_SUITE.erl new file mode 100644 index 0000000000..3f4965f96d --- /dev/null +++ b/erts/emulator/test/prim_eval_SUITE.erl @@ -0,0 +1,78 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2017. All Rights Reserved. +%% +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at +%% +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. +%% +%% %CopyrightEnd% +%% + +-module(prim_eval_SUITE). +-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, + init_per_testcase/2, end_per_testcase/2, + init_per_group/2, end_per_group/2]). + +-export(['ERL-365'/1]). + +init_per_testcase(_Case, Config) -> + Config. + +end_per_testcase(_Case, _Config) -> + ok. + +suite() -> + [{ct_hooks,[ts_install_cth]}, + {timetrap,{minutes,1}}]. + +groups() -> + []. + +init_per_suite(Config) -> + Config. + +end_per_suite(_Config) -> + ok. + +init_per_group(_GroupName, Config) -> + Config. + +end_per_group(_GroupName, Config) -> + Config. + +all() -> + ['ERL-365']. + +'ERL-365'(Config) when is_list(Config) -> + %% def_arg_reg[0] is used for storage of timeout instruction + %% when a 'receive after' is executed. When a process was + %% scheduled out inside prim_eval:'receive'/0 due to a function + %% call, def_arg_reg[0] was overwritten due to storage of live + %% registers. + P = spawn_link(fun () -> + prim_eval:'receive'(fun (_M) -> + erlang:bump_reductions((1 bsl 27)-1), + id(true), + nomatch + end, + 200) + end), + receive after 100 -> ok end, + P ! {wont, match}, + receive after 200 -> ok end, + ok. + + + +id(X) -> + X. diff --git a/erts/emulator/test/system_info_SUITE.erl b/erts/emulator/test/system_info_SUITE.erl index 6a772bf7c9..6bd1eb1e1e 100644 --- a/erts/emulator/test/system_info_SUITE.erl +++ b/erts/emulator/test/system_info_SUITE.erl @@ -174,7 +174,7 @@ memory(Config) when is_list(Config) -> %% erts_debug:set_internal_state(available_internal_state, true), - %% Use a large heap size on the controling process in + %% Use a large heap size on the controlling process in %% order to avoid changes in its heap size during %% comparisons. MinHeapSize = process_flag(min_heap_size, 1024*1024), diff --git a/erts/emulator/test/time_SUITE.erl b/erts/emulator/test/time_SUITE.erl index 9501569814..c13d03bcc4 100644 --- a/erts/emulator/test/time_SUITE.erl +++ b/erts/emulator/test/time_SUITE.erl @@ -132,7 +132,7 @@ local_to_univ_utc(Config) when is_list(Config) -> end. -%% Tests conversion from univeral to local time. +%% Tests conversion from universal to local time. univ_to_local(Config) when is_list(Config) -> test_univ_to_local(test_data()). diff --git a/erts/emulator/test/z_SUITE.erl b/erts/emulator/test/z_SUITE.erl index d663cc548c..a90701c5d2 100644 --- a/erts/emulator/test/z_SUITE.erl +++ b/erts/emulator/test/z_SUITE.erl @@ -226,7 +226,7 @@ pollset_size(Config) when is_list(Config) -> "Pollset size information not available"} end; false -> - %% Somtimes we have fewer descriptors in the + %% Sometimes we have fewer descriptors in the %% pollset at the end than when we started, but %% that is ok as long as there are at least 2 %% descriptors (dist listen socket and diff --git a/erts/emulator/utils/make_preload b/erts/emulator/utils/make_preload index 8b629d9517..bcb2e42614 100755 --- a/erts/emulator/utils/make_preload +++ b/erts/emulator/utils/make_preload @@ -90,7 +90,7 @@ foreach $file (@ARGV) { open(FILE, $file) or error("failed to read $file: $!"); binmode(FILE); $_ = <FILE>; - $_ = beam_strip($_); + $_ = beam_strip($_, $file); close(FILE); push(@modules, " {\"$module\", " . length($_) . ", preloaded_$module},\n"); @@ -147,20 +147,20 @@ sub error { } sub beam_strip { - my($beam) = @_; + my($beam,$file) = @_; my $size_left = length($beam); my %chunk; my %needed_chunk = ('Code' => 1, - 'Atom' => 1, + 'AtU8' => 1, 'ImpT' => 1, 'ExpT' => 1, 'StrT' => 1, 'FunT' => 1, 'LitT' => 1); - die "can't read Beam files for OTP R4 or earlier (sorry)" + die "$file: can't read Beam files for OTP R4 or earlier (sorry)" if $beam =~ /^\x7fBEAM!/; # @@ -177,7 +177,7 @@ sub beam_strip { die "form size $size greater than size ", $size_left, " of module" if $size > $size_left; $size_left -= 4; - die "not a BEAM file: IFF form type is not 'BEAM'" + die "$file: not a BEAM file: IFF form type is not 'BEAM'" unless $beam_id eq 'BEAM'; # @@ -197,6 +197,14 @@ sub beam_strip { } # + # Abort if there is no new-style 'AtU8' atom chunk. + # + + exists $chunk{'AtU8'} or + die "$file: no 'AtU8' chunk (re-compile with " . + "OTP 20 or later)\n"; + + # # Create a new beam file with only the useful chunk types. # diff --git a/erts/epmd/test/epmd_SUITE.erl b/erts/epmd/test/epmd_SUITE.erl index 0f0a5acde7..81433c39c4 100644 --- a/erts/epmd/test/epmd_SUITE.erl +++ b/erts/epmd/test/epmd_SUITE.erl @@ -838,7 +838,7 @@ no_live_killing(Config) when is_list(Config) -> %% sends TCP RST at wrong time socket_reset_before_alive2_reply_is_written(Config) when is_list(Config) -> %% - delay_write for easier triggering of race condition - %% - relaxed_command_check for gracefull shutdown of epmd even if there + %% - relaxed_command_check for graceful shutdown of epmd even if there %% is stuck node. ok = epmdrun("-delay_write 1 -relaxed_command_check"), diff --git a/erts/etc/common/Makefile.in b/erts/etc/common/Makefile.in index cb053a1b7c..d3af634729 100644 --- a/erts/etc/common/Makefile.in +++ b/erts/etc/common/Makefile.in @@ -143,7 +143,7 @@ MC_OUTPUTS=$(OBJDIR)/erlsrv_logmess.h $(OBJDIR)/erlsrv_logmess.res MT_FLAG="-MD" endif INET_GETHOST = $(BINDIR)/inet_gethost.exe -INSTALL_EMBEDDED_PROGS += $(BINDIR)/typer.exe $(BINDIR)/dialyzer.exe $(BINDIR)/erlc.exe $(BINDIR)/start_erl.exe $(BINDIR)/escript.exe $(BINDIR)/ct_run.exe +INSTALL_EMBEDDED_PROGS += $(BINDIR)/dialyzer.exe $(BINDIR)/erlc.exe $(BINDIR)/start_erl.exe $(BINDIR)/escript.exe $(BINDIR)/ct_run.exe INSTALL_SRC = $(WINETC)/start_erl.c $(WINETC)/Nmakefile.start_erl ERLEXECDIR=. INSTALL_LIBS = @@ -176,7 +176,7 @@ ENTRY_OBJ= ERLSRV_OBJECTS= MC_OUTPUTS= INET_GETHOST = $(BINDIR)/inet_gethost@EXEEXT@ -INSTALL_EMBEDDED_PROGS += $(BINDIR)/typer@EXEEXT@ $(BINDIR)/dialyzer@EXEEXT@ \ +INSTALL_EMBEDDED_PROGS += $(BINDIR)/dialyzer@EXEEXT@ \ $(BINDIR)/erlc@EXEEXT@ $(BINDIR)/escript@EXEEXT@ $(BINDIR)/ct_run@EXEEXT@ \ $(BINDIR)/run_erl $(BINDIR)/to_erl $(BINDIR)/dyn_erl INSTALL_EMBEDDED_DATA = $(UXETC)/start.src $(UXETC)/start_erl.src @@ -242,7 +242,6 @@ endif rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/safe_string.o rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/run_erl.o rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/to_erl.o - rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/typer.o rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/ct_run.o rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/vxcall.o rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/erl.o @@ -433,12 +432,6 @@ $(BINDIR)/dialyzer@EXEEXT@: $(OBJDIR)/dialyzer.o $(ERTS_LIB) $(OBJDIR)/dialyzer.o: dialyzer.c $(RC_GENERATED) $(V_CC) $(CFLAGS) -o $@ -c dialyzer.c -$(BINDIR)/typer@EXEEXT@: $(OBJDIR)/typer.o $(ERTS_LIB) - $(ld_verbose)$(PURIFY) $(LD) $(LDFLAGS) -o $@ $(OBJDIR)/typer.o -L$(OBJDIR) $(LIBS) $(ERTS_INTERNAL_LIBS) - -$(OBJDIR)/typer.o: typer.c $(RC_GENERATED) - $(V_CC) $(CFLAGS) -o $@ -c typer.c - $(BINDIR)/escript@EXEEXT@: $(OBJDIR)/escript.o $(ERTS_LIB) $(ld_verbose)$(PURIFY) $(LD) $(LDFLAGS) -o $@ $(OBJDIR)/escript.o -L$(OBJDIR) $(LIBS) $(ERTS_INTERNAL_LIBS) diff --git a/erts/etc/common/escript.c b/erts/etc/common/escript.c index 71c278881c..4134a3ff36 100644 --- a/erts/etc/common/escript.c +++ b/erts/etc/common/escript.c @@ -428,14 +428,6 @@ main(int argc, char** argv) argv[argc] = NULL; #endif - emulator = env = get_env("ESCRIPT_EMULATOR"); - if (emulator == NULL) { - emulator = get_default_emulator(argv[0]); - } - - if (strlen(emulator) >= PMAX) - error("Value of environment variable ESCRIPT_EMULATOR is too large"); - /* * Allocate the argv vector to be used for arguments to Erlang. * Arrange for starting to pushing information in the middle of @@ -446,21 +438,10 @@ main(int argc, char** argv) eargv_base = (char **) emalloc(eargv_size*sizeof(char*)); eargv = eargv_base; eargc = 0; - push_words(emulator); eargc_base = eargc; eargv = eargv + eargv_size/2; eargc = 0; - free_env_val(env); - - /* - * Push initial arguments. - */ - - PUSH("+B"); - PUSH2("-boot", "start_clean"); - PUSH("-noshell"); - /* Determine basename of the executable */ for (basename = argv[0]+strlen(argv[0]); basename > argv[0] && !(IS_DIRSEP(basename[-1])); @@ -510,6 +491,27 @@ main(int argc, char** argv) efree(absname); } + /* Determine path to emulator */ + emulator = env = get_env("ESCRIPT_EMULATOR"); + + if (emulator == NULL) { + emulator = get_default_emulator(scriptname); + } + + if (strlen(emulator) >= PMAX) + error("Value of environment variable ESCRIPT_EMULATOR is too large"); + + /* + * Push initial arguments. + */ + + push_words(emulator); + free_env_val(env); + + PUSH("+B"); + PUSH2("-boot", "start_clean"); + PUSH("-noshell"); + /* * Read options from the %%! row in the script and add them as args */ diff --git a/erts/etc/common/inet_gethost.c b/erts/etc/common/inet_gethost.c index bc4893b0eb..ccafd95e51 100644 --- a/erts/etc/common/inet_gethost.c +++ b/erts/etc/common/inet_gethost.c @@ -2717,7 +2717,7 @@ BOOL close_mesq(MesQ *q) LeaveCriticalSection(&(q->crit)); return FALSE; } - /* Noone else is supposed to use this object any more */ + /* No one else is supposed to use this object any more */ LeaveCriticalSection(&(q->crit)); DeleteCriticalSection(&(q->crit)); CloseHandle(q->data_present); diff --git a/erts/etc/common/typer.c b/erts/etc/common/typer.c deleted file mode 100644 index 77a95ccded..0000000000 --- a/erts/etc/common/typer.c +++ /dev/null @@ -1,455 +0,0 @@ -/* - * %CopyrightBegin% - * - * Copyright Ericsson AB 2006-2016. All Rights Reserved. - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * - * %CopyrightEnd% - */ -/* - * Purpose: Typer front-end. - */ -#ifdef HAVE_CONFIG_H -# include "config.h" -#endif - -#include "sys.h" -#ifdef __WIN32__ -#include <winbase.h> -#endif - -#include <ctype.h> - -#define NO 0 -#define YES 1 - -#define ASIZE(a) (sizeof(a)/sizeof(a[0])) - -static int debug = 0; /* Bit flags for debug printouts. */ - -static char** eargv_base; /* Base of vector. */ -static char** eargv; /* First argument for erl. */ - -static int eargc; /* Number of arguments in eargv. */ - -#ifdef __WIN32__ -# define QUOTE(s) possibly_quote(s) -# define IS_DIRSEP(c) ((c) == '/' || (c) == '\\') -# define ERL_NAME "erl.exe" -#else -# define QUOTE(s) s -# define IS_DIRSEP(c) ((c) == '/') -# define ERL_NAME "erl" -#endif - -#define UNSHIFT(s) eargc++, eargv--; eargv[0] = QUOTE(s) -#define PUSH(s) eargv[eargc++] = QUOTE(s) -#define PUSH2(s, t) PUSH(s); PUSH(t) -#define PUSH3(s, t, u) PUSH2(s, t); PUSH(u) - -/* - * Local functions. - */ - -static void error(char* format, ...); -static void* emalloc(size_t size); -static char* strsave(char* string); -static void push_words(char* src); -static int run_erlang(char* name, char** argv); -static char* get_default_emulator(char* progname); -#ifdef __WIN32__ -static char* possibly_quote(char* arg); -static void* erealloc(void *p, size_t size); -#endif - -/* - * Supply a strerror() function if libc doesn't. - */ -#ifndef HAVE_STRERROR - -extern int sys_nerr; - -#ifndef SYS_ERRLIST_DECLARED -extern const char * const sys_errlist[]; -#endif /* !SYS_ERRLIST_DECLARED */ - -char *strerror(int errnum) -{ - static char *emsg[1024]; - - if (errnum != 0) { - if (errnum > 0 && errnum < sys_nerr) - sprintf((char *) &emsg[0], "(%s)", sys_errlist[errnum]); - else - sprintf((char *) &emsg[0], "errnum = %d ", errnum); - } - else { - emsg[0] = '\0'; - } - return (char *) &emsg[0]; -} -#endif /* !HAVE_STRERROR */ - -#ifdef __WIN32__ -int wmain(int argc, wchar_t **wcargv) -{ - char** argv; -#else -int -main(int argc, char** argv) -{ -#endif - int eargv_size; - int eargc_base; /* How many arguments in the base of eargv. */ - char* emulator; - int need_shell = 0; - -#ifdef __WIN32__ - int i; - int len; - /* Convert argv to utf8 */ - argv = emalloc((argc+1) * sizeof(char*)); - for (i=0; i<argc; i++) { - len = WideCharToMultiByte(CP_UTF8, 0, wcargv[i], -1, NULL, 0, NULL, NULL); - argv[i] = emalloc(len*sizeof(char)); - WideCharToMultiByte(CP_UTF8, 0, wcargv[i], -1, argv[i], len, NULL, NULL); - } - argv[argc] = NULL; -#endif - - emulator = get_default_emulator(argv[0]); - - /* - * Allocate the argv vector to be used for arguments to Erlang. - * Arrange for starting to pushing information in the middle of - * the array, to allow easy addition of commands in the beginning. - */ - - eargv_size = argc*4+100; - eargv_base = (char **) emalloc(eargv_size*sizeof(char*)); - eargv = eargv_base; - eargc = 0; - push_words(emulator); - eargc_base = eargc; - eargv = eargv + eargv_size/2; - eargc = 0; - - /* - * Push initial arguments. - */ - - if (argc > 1 && strcmp(argv[1], "-smp") == 0) { - PUSH("-smpauto"); - argc--, argv++; - } - - PUSH("+B"); - PUSH2("-boot", "start_clean"); - PUSH3("-run", "typer", "start"); - PUSH("-extra"); - - /* - * Push everything except --shell. - */ - - while (argc > 1) { - if (strcmp(argv[1], "--shell") == 0) { - need_shell = 1; - } else { - PUSH(argv[1]); - } - argc--, argv++; - } - - if (!need_shell) { - UNSHIFT("-noinput"); - } - - /* - * Move up the commands for invoking the emulator and adjust eargv - * accordingly. - */ - - while (--eargc_base >= 0) { - UNSHIFT(eargv_base[eargc_base]); - } - - /* - * Invoke Erlang with the collected options. - */ - - PUSH(NULL); - return run_erlang(eargv[0], eargv); -} - -static void -push_words(char* src) -{ - char sbuf[MAXPATHLEN]; - char* dst; - - dst = sbuf; - while ((*dst++ = *src++) != '\0') { - if (isspace((int)*src)) { - *dst = '\0'; - PUSH(strsave(sbuf)); - dst = sbuf; - do { - src++; - } while (isspace((int)*src)); - } - } - if (sbuf[0]) - PUSH(strsave(sbuf)); -} -#ifdef __WIN32__ -wchar_t *make_commandline(char **argv) -{ - static wchar_t *buff = NULL; - static int siz = 0; - int num = 0, len; - char **arg; - wchar_t *p; - - if (*argv == NULL) { - return L""; - } - for (arg = argv; *arg != NULL; ++arg) { - num += strlen(*arg)+1; - } - if (!siz) { - siz = num; - buff = (wchar_t *) emalloc(siz*sizeof(wchar_t)); - } else if (siz < num) { - siz = num; - buff = (wchar_t *) erealloc(buff,siz*sizeof(wchar_t)); - } - p = buff; - num=0; - for (arg = argv; *arg != NULL; ++arg) { - len = MultiByteToWideChar(CP_UTF8, 0, *arg, -1, p, siz); - p+=(len-1); - *p++=L' '; - } - *(--p) = L'\0'; - - if (debug) { - printf("Processed command line:%S\n",buff); - } - return buff; -} - -int my_spawnvp(char **argv) -{ - STARTUPINFOW siStartInfo; - PROCESS_INFORMATION piProcInfo; - DWORD ec; - - memset(&siStartInfo,0,sizeof(STARTUPINFOW)); - siStartInfo.cb = sizeof(STARTUPINFOW); - siStartInfo.dwFlags = STARTF_USESTDHANDLES; - siStartInfo.hStdInput = GetStdHandle(STD_INPUT_HANDLE); - siStartInfo.hStdOutput = GetStdHandle(STD_OUTPUT_HANDLE); - siStartInfo.hStdError = GetStdHandle(STD_ERROR_HANDLE); - - if (!CreateProcessW(NULL, - make_commandline(argv), - NULL, - NULL, - TRUE, - 0, - NULL, - NULL, - &siStartInfo, - &piProcInfo)) { - return -1; - } - CloseHandle(piProcInfo.hThread); - - WaitForSingleObject(piProcInfo.hProcess,INFINITE); - if (!GetExitCodeProcess(piProcInfo.hProcess,&ec)) { - return 0; - } - return (int) ec; -} -#endif /* __WIN32__ */ - - -static int -run_erlang(char* progname, char** argv) -{ -#ifdef __WIN32__ - int status; -#endif - - if (debug) { - int i = 0; - while (argv[i] != NULL) - printf(" %s", argv[i++]); - printf("\n"); - } - -#ifdef __WIN32__ - /* - * Alas, we must wait here for the program to finish. - * Otherwise, the shell from which we were executed will think - * we are finished and print a prompt and read keyboard input. - */ - - status = my_spawnvp(argv)/*_spawnvp(_P_WAIT,progname,argv)*/; - if (status == -1) { - fprintf(stderr, "typer: Error executing '%s': %d", progname, - GetLastError()); - } - return status; -#else - execvp(progname, argv); - error("Error %d executing \'%s\'.", errno, progname); - return 2; -#endif -} - -static void -error(char* format, ...) -{ - char sbuf[1024]; - va_list ap; - - va_start(ap, format); - erts_vsnprintf(sbuf, sizeof(sbuf), format, ap); - va_end(ap); - fprintf(stderr, "typer: %s\n", sbuf); - exit(1); -} - -static void* -emalloc(size_t size) -{ - void *p = malloc(size); - if (p == NULL) - error("Insufficient memory"); - return p; -} - -#ifdef __WIN32__ -static void * -erealloc(void *p, size_t size) -{ - void *res = realloc(p, size); - if (res == NULL) - error("Insufficient memory"); - return res; -} -#endif - -static char* -strsave(char* string) -{ - char* p = emalloc(strlen(string)+1); - strcpy(p, string); - return p; -} - -static int -file_exists(char *progname) -{ -#ifdef __WIN32__ - wchar_t wcsbuf[MAXPATHLEN]; - MultiByteToWideChar(CP_UTF8, 0, progname, -1, wcsbuf, MAXPATHLEN); - return (_waccess(wcsbuf, 0) != -1); -#else - return (access(progname, 1) != -1); -#endif -} - -static char* -get_default_emulator(char* progname) -{ - char sbuf[MAXPATHLEN]; - char* s; - - if (strlen(progname) >= sizeof(sbuf)) - return ERL_NAME; - - strcpy(sbuf, progname); - for (s = sbuf+strlen(sbuf); s >= sbuf; s--) { - if (IS_DIRSEP(*s)) { - strcpy(s+1, ERL_NAME); - if(file_exists(sbuf)) - return strsave(sbuf); - break; - } - } - return ERL_NAME; -} - -#ifdef __WIN32__ -static char* -possibly_quote(char* arg) -{ - int mustQuote = NO; - int n = 0; - char* s; - char* narg; - - if (arg == NULL) { - return arg; - } - - /* - * Scan the string to find out if it needs quoting and return - * the original argument if not. - */ - - for (s = arg; *s; s++, n++) { - switch(*s) { - case ' ': - mustQuote = YES; - continue; - case '"': - mustQuote = YES; - n++; - continue; - case '\\': - if(s[1] == '"') - n++; - continue; - default: - continue; - } - } - if (!mustQuote) { - return arg; - } - - /* - * Insert the quotes and put a backslash in front of every quote - * inside the string. - */ - - s = narg = emalloc(n+2+1); - for (*s++ = '"'; *arg; arg++, s++) { - if (*arg == '"' || (*arg == '\\' && arg[1] == '"')) { - *s++ = '\\'; - } - *s = *arg; - } - if (s[-1] == '\\') { - *s++ ='\\'; - } - *s++ = '"'; - *s = '\0'; - return narg; -} -#endif /* __WIN32__ */ diff --git a/erts/etc/unix/Install.src b/erts/etc/unix/Install.src index e71308edbe..8be696b16f 100644 --- a/erts/etc/unix/Install.src +++ b/erts/etc/unix/Install.src @@ -89,7 +89,6 @@ cd "$ERL_ROOT/bin" cp -p "$ERL_ROOT/erts-%I_VSN%/bin/erl" . cp -p "$ERL_ROOT/erts-%I_VSN%/bin/erlc" . cp -p "$ERL_ROOT/erts-%I_VSN%/bin/dialyzer" . -cp -p "$ERL_ROOT/erts-%I_VSN%/bin/typer" . cp -p "$ERL_ROOT/erts-%I_VSN%/bin/ct_run" . cp -p "$ERL_ROOT/erts-%I_VSN%/bin/escript" . diff --git a/erts/etc/unix/README b/erts/etc/unix/README index adc6db4300..9985f2675d 100644 --- a/erts/etc/unix/README +++ b/erts/etc/unix/README @@ -42,7 +42,7 @@ Note that the Install script will terminate if it detects problems - you will have to correct them and re-run the script. If everything goes well, the last printout should be: -Erlang installation sucessfully completed +Erlang installation successfully completed If it isn't, something went wrong - check the printouts to find out what it was. diff --git a/erts/etc/unix/etp-commands.in b/erts/etc/unix/etp-commands.in index c7e2ac169d..c689d495e6 100644 --- a/erts/etc/unix/etp-commands.in +++ b/erts/etc/unix/etp-commands.in @@ -775,7 +775,7 @@ define etp-pid-1 set $etp_pid_1 = (Eterm)($arg0) if ($etp_pid_1 & 0xF) == 0x3 if (etp_arch_bits == 64) - if (etp_big_endian) + if (etp_endianness > 0) set $etp_pid_data = (unsigned) ((((Uint64) $etp_pid_1) >> 35) & 0x0fffffff) else set $etp_pid_data = (unsigned) ((((Uint64) $etp_pid_1) >> 4) & 0x0fffffff) @@ -835,7 +835,7 @@ define etp-port-1 set $etp_port_1 = (Eterm)($arg0) if ($etp_port_1 & 0xF) == 0x7 if (etp_arch_bits == 64) - if (etp_big_endian) + if (etp_endianness > 0) set $etp_port_data = (unsigned) ((((Uint64) $etp_port_1) >> 36) & 0x0fffffff) else set $etp_port_data = (unsigned) ((((Uint64) $etp_port_1) >> 4) & 0x0fffffff) @@ -952,30 +952,31 @@ define etp-ref-1 if ((Eterm)($arg0) & 0x3) != 0x2 printf "#NotBoxed<%#x>", (Eterm)($arg0) else - set $etp_ref_1_p = (RefThing *)((Eterm)($arg0) & ~0x3) + set $etp_ref_1_p = (ErtsORefThing *)((Eterm)($arg0) & ~0x3) if ($etp_ref_1_p->header & 0x3b) != 0x10 printf "#NotRef<%#x>", $etp_ref_1_p->header else - set $etp_ref_1_nump = (Uint32 *) 0 - set $etp_ref_1_error = 0 - if ($etp_ref_1_p->header >> 6) == 0 - set $etp_ref_1_error = 1 + if $etp_ref_1_p->header != etp_ref_header && $etp_ref_1_p->header != etp_magic_ref_header + printf "#InternalRefError<%#x>", ($arg0) else - if $etp_arch64 - set $etp_ref_1_i = (int) $etp_ref_1_p->data.ui32[0] - if (($etp_ref_1_i + 1) > (2 * ($etp_ref_1_p->header >> 6))) - set $etp_ref_1_error = 1 - else - set $etp_ref_1_nump = &$etp_ref_1_p->data.ui32[1] + set $etp_magic_ref = 0 + set $etp_ref_1_i = 3 + set $etp_ref_1_error = 0 + set $etp_ref_1_nump = (Uint32 *) 0 + if etp_ref_header == etp_magic_ref_header + if $etp_ref_1_p->marker != 0xffffffff + set $etp_magic_ref = 1 end + else + if $etp_ref_1_p->header == etp_magic_ref_header + set $etp_magic_ref = 1 + end + end + if $etp_magic_ref == 0 + set $etp_ref_1_nump = $etp_ref_1_p->num else - set $etp_ref_1_i = (int) ($etp_ref_1_p->header >> 6) - set $etp_ref_1_nump = &$etp_ref_1_p->data.ui32[0] + set $etp_ref_1_nump = ((ErtsMRefThing *) $etp_ref_1_p)->mb->refn end - end - if $etp_ref_1_error - printf "#InternalRefError<%#x>", ($arg0) - else printf "#Ref<0" set $etp_ref_1_i-- while $etp_ref_1_i >= 0 @@ -1593,7 +1594,7 @@ define etp-term-dump-pid set $etp_pid_1 = (Eterm)($arg0) if ($etp_pid_1 & 0xF) == 0x3 if (etp_arch_bits == 64) - if (etp_big_endian) + if (etp_endianness > 0) set $etp_pid_data = (unsigned) ((((Uint64) $etp_pid_1) >> 36) & 0x0fffffff) else set $etp_pid_data = (unsigned) ((((Uint64) $etp_pid_1) >> 4) & 0x0fffffff) @@ -1638,7 +1639,7 @@ define etp-pid2pix-1 # Args: Eterm # if (etp_arch_bits == 64) - if (etp_big_endian) + if (etp_endianness > 0) set $etp_pix = (int) (((Uint64) $arg0) & 0x0fffffff) else set $etp_pix = (int) ((((Uint64) $arg0) >> 32) & 0x0fffffff) @@ -2271,7 +2272,7 @@ define etp-port-id2pix-1 # Args: Eterm # if (etp_arch_bits == 64) - if (etp_big_endian) + if (etp_endianness > 0) set $etp_pix = (int) (((Uint64) $arg0) & 0x0fffffff) elser set $etp_pix = (int) ((((Uint64) $arg0) >> 32) & 0x0fffffff) @@ -2874,7 +2875,7 @@ document etp-disasm %--------------------------------------------------------------------------- % etp-disasm StartI EndI % -% Disassemble the code inbetween StartI and EndI +% Disassemble the code between StartI and EndI %--------------------------------------------------------------------------- end @@ -2906,10 +2907,14 @@ define etp-system-info printf "Compile date: %s\n", etp_compile_date printf "Arch: %s\n", etp_arch printf "Endianness: " - if (etp_big_endian) + if (etp_endianness > 0) printf "Big\n" else - printf "Little\n" + if (etp_endianness < 0) + printf "Little\n" + else + printf "Unknown\n" + end end printf "Word size: %d-bit\n", etp_arch_bits printf "HiPE support: " diff --git a/erts/etc/unix/run_erl.c b/erts/etc/unix/run_erl.c index 447720af7e..8f87c59131 100644 --- a/erts/etc/unix/run_erl.c +++ b/erts/etc/unix/run_erl.c @@ -553,7 +553,7 @@ static void pass_on(pid_t childpid) FD_ZERO(&readfds); FD_ZERO(&writefds); } else { - /* Some error occured */ + /* Some error occurred */ ERRNO_ERR0(LOG_ERR,"Error in select."); exit(1); } diff --git a/erts/etc/win32/Install.c b/erts/etc/win32/Install.c index 43930ff284..04522a0779 100644 --- a/erts/etc/win32/Install.c +++ b/erts/etc/win32/Install.c @@ -48,7 +48,7 @@ int wmain(int argc, wchar_t **argv) InitSection *ini_section; HANDLE module = GetModuleHandle(NULL); wchar_t *binaries[] = { L"erl.exe", L"werl.exe", L"erlc.exe", - L"dialyzer.exe", L"typer.exe", + L"dialyzer.exe", L"escript.exe", L"ct_run.exe", NULL }; wchar_t *scripts[] = { L"start_clean.boot", L"start_sasl.boot", L"no_dot_erlang.boot", NULL }; wchar_t fromname[MAX_PATH]; diff --git a/erts/include/internal/gcc/ethr_atomic.h b/erts/include/internal/gcc/ethr_atomic.h index 231eaa6927..4e252ec3f9 100644 --- a/erts/include/internal/gcc/ethr_atomic.h +++ b/erts/include/internal/gcc/ethr_atomic.h @@ -28,7 +28,7 @@ * * Due to this we cannot use the __ATOMIC_SEQ_CST * memory model. For more information see the comment - * in the begining of ethr_membar.h in this directory. + * in the beginning of ethr_membar.h in this directory. */ #undef ETHR_INCLUDE_ATOMIC_IMPL__ diff --git a/erts/include/internal/gcc/ethr_dw_atomic.h b/erts/include/internal/gcc/ethr_dw_atomic.h index 675912d86e..df20d0f1ef 100644 --- a/erts/include/internal/gcc/ethr_dw_atomic.h +++ b/erts/include/internal/gcc/ethr_dw_atomic.h @@ -28,7 +28,7 @@ * * Due to this we cannot use the __ATOMIC_SEQ_CST * memory model. For more information see the comment - * in the begining of ethr_membar.h in this directory. + * in the beginning of ethr_membar.h in this directory. */ #undef ETHR_INCLUDE_DW_ATOMIC_IMPL__ diff --git a/erts/preloaded/ebin/erl_prim_loader.beam b/erts/preloaded/ebin/erl_prim_loader.beam Binary files differindex 4f4027c74e..5b03019d8e 100644 --- a/erts/preloaded/ebin/erl_prim_loader.beam +++ b/erts/preloaded/ebin/erl_prim_loader.beam diff --git a/erts/preloaded/ebin/erl_tracer.beam b/erts/preloaded/ebin/erl_tracer.beam Binary files differindex c05bc813f0..4cf1b5ed82 100644 --- a/erts/preloaded/ebin/erl_tracer.beam +++ b/erts/preloaded/ebin/erl_tracer.beam diff --git a/erts/preloaded/ebin/erlang.beam b/erts/preloaded/ebin/erlang.beam Binary files differindex 0799546c60..149d30d299 100644 --- a/erts/preloaded/ebin/erlang.beam +++ b/erts/preloaded/ebin/erlang.beam diff --git a/erts/preloaded/ebin/erts_code_purger.beam b/erts/preloaded/ebin/erts_code_purger.beam Binary files differindex 1b28a929ce..0a318b70bb 100644 --- a/erts/preloaded/ebin/erts_code_purger.beam +++ b/erts/preloaded/ebin/erts_code_purger.beam diff --git a/erts/preloaded/ebin/erts_dirty_process_code_checker.beam b/erts/preloaded/ebin/erts_dirty_process_code_checker.beam Binary files differindex e5381d3574..20ee82a134 100644 --- a/erts/preloaded/ebin/erts_dirty_process_code_checker.beam +++ b/erts/preloaded/ebin/erts_dirty_process_code_checker.beam diff --git a/erts/preloaded/ebin/erts_internal.beam b/erts/preloaded/ebin/erts_internal.beam Binary files differindex 57b3023ea6..c0ff53f503 100644 --- a/erts/preloaded/ebin/erts_internal.beam +++ b/erts/preloaded/ebin/erts_internal.beam diff --git a/erts/preloaded/ebin/erts_literal_area_collector.beam b/erts/preloaded/ebin/erts_literal_area_collector.beam Binary files differindex 2fab34318e..e925636787 100644 --- a/erts/preloaded/ebin/erts_literal_area_collector.beam +++ b/erts/preloaded/ebin/erts_literal_area_collector.beam diff --git a/erts/preloaded/ebin/init.beam b/erts/preloaded/ebin/init.beam Binary files differindex ffddf2d54d..92eedd73d8 100644 --- a/erts/preloaded/ebin/init.beam +++ b/erts/preloaded/ebin/init.beam diff --git a/erts/preloaded/ebin/otp_ring0.beam b/erts/preloaded/ebin/otp_ring0.beam Binary files differindex 3c6a6d4f41..b91fa63e7d 100644 --- a/erts/preloaded/ebin/otp_ring0.beam +++ b/erts/preloaded/ebin/otp_ring0.beam diff --git a/erts/preloaded/ebin/prim_eval.beam b/erts/preloaded/ebin/prim_eval.beam Binary files differindex 133fda4b13..a011890c1a 100644 --- a/erts/preloaded/ebin/prim_eval.beam +++ b/erts/preloaded/ebin/prim_eval.beam diff --git a/erts/preloaded/ebin/prim_file.beam b/erts/preloaded/ebin/prim_file.beam Binary files differindex 99ad863b8b..b5e5ff9f88 100644 --- a/erts/preloaded/ebin/prim_file.beam +++ b/erts/preloaded/ebin/prim_file.beam diff --git a/erts/preloaded/ebin/prim_inet.beam b/erts/preloaded/ebin/prim_inet.beam Binary files differindex e52e442f8e..994677872c 100644 --- a/erts/preloaded/ebin/prim_inet.beam +++ b/erts/preloaded/ebin/prim_inet.beam diff --git a/erts/preloaded/ebin/prim_zip.beam b/erts/preloaded/ebin/prim_zip.beam Binary files differindex 122406c834..6f1c82509f 100644 --- a/erts/preloaded/ebin/prim_zip.beam +++ b/erts/preloaded/ebin/prim_zip.beam diff --git a/erts/preloaded/ebin/zlib.beam b/erts/preloaded/ebin/zlib.beam Binary files differindex c683d395f3..eb9e07af7e 100644 --- a/erts/preloaded/ebin/zlib.beam +++ b/erts/preloaded/ebin/zlib.beam diff --git a/erts/preloaded/src/erlang.erl b/erts/preloaded/src/erlang.erl index be7ceb928b..2b0c9ff2af 100644 --- a/erts/preloaded/src/erlang.erl +++ b/erts/preloaded/src/erlang.erl @@ -83,6 +83,10 @@ | 'micro_seconds' | 'nano_seconds'. +-opaque prepared_code() :: reference(). + +-export_type([prepared_code/0]). + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% Native code BIF stubs and their types %% (BIF's actually implemented in this module goes last in the file) @@ -791,9 +795,9 @@ external_size(_Term, _Options) -> erlang:nif_error(undefined). %% finish_loading/2 --spec erlang:finish_loading(PreparedCodeBinaries) -> ok | Error when - PreparedCodeBinaries :: [PreparedCodeBinary], - PreparedCodeBinary :: binary(), +-spec erlang:finish_loading(PreparedCodeList) -> ok | Error when + PreparedCodeList :: [PreparedCode], + PreparedCode :: prepared_code(), ModuleList :: [module()], Error :: {not_purged,ModuleList} | {on_load,ModuleList}. finish_loading(_List) -> @@ -1030,7 +1034,7 @@ halt(_Status, _Options) -> %% has_prepared_code_on_load/1 -spec erlang:has_prepared_code_on_load(PreparedCode) -> boolean() when - PreparedCode :: binary(). + PreparedCode :: prepared_code(). has_prepared_code_on_load(_PreparedCode) -> erlang:nif_error(undefined). @@ -1447,7 +1451,7 @@ timestamp() -> -spec erlang:prepare_loading(Module, Code) -> PreparedCode | {error, Reason} when Module :: module(), Code :: binary(), - PreparedCode :: binary(), + PreparedCode :: prepared_code(), Reason :: bad_file. prepare_loading(_Module, _Code) -> erlang:nif_error(undefined). @@ -2007,8 +2011,8 @@ load_module(Mod, Code) -> case erlang:prepare_loading(Mod, Code) of {error,_}=Error -> Error; - Bin when erlang:is_binary(Bin) -> - case erlang:finish_loading([Bin]) of + Prep when erlang:is_reference(Prep) -> + case erlang:finish_loading([Prep]) of ok -> {module,Mod}; {Error,[Mod]} -> @@ -2317,8 +2321,8 @@ spawn_opt(_Tuple) -> Total_Reductions :: non_neg_integer(), Reductions_Since_Last_Call :: non_neg_integer(); (run_queue) -> non_neg_integer(); - (run_queue_lengths) -> [RunQueueLenght] when - RunQueueLenght :: non_neg_integer(); + (run_queue_lengths) -> [RunQueueLength] when + RunQueueLength :: non_neg_integer(); (runtime) -> {Total_Run_Time, Time_Since_Last_Call} when Total_Run_Time :: non_neg_integer(), Time_Since_Last_Call :: non_neg_integer(); @@ -2332,8 +2336,8 @@ spawn_opt(_Tuple) -> TotalTime :: non_neg_integer(); (total_active_tasks) -> ActiveTasks when ActiveTasks :: non_neg_integer(); - (total_run_queue_lengths) -> TotalRunQueueLenghts when - TotalRunQueueLenghts :: non_neg_integer(); + (total_run_queue_lengths) -> TotalRunQueueLengths when + TotalRunQueueLengths :: non_neg_integer(); (wall_clock) -> {Total_Wallclock_Time, Wallclock_Time_Since_Last_Call} when Total_Wallclock_Time :: non_neg_integer(), diff --git a/erts/preloaded/src/erts_internal.erl b/erts/preloaded/src/erts_internal.erl index a27cb2ba38..bcc779e6f6 100644 --- a/erts/preloaded/src/erts_internal.erl +++ b/erts/preloaded/src/erts_internal.erl @@ -31,7 +31,8 @@ -export([await_port_send_result/3]). -export([cmp_term/2]). --export([map_to_tuple_keys/1, term_type/1, map_hashmap_children/1]). +-export([map_to_tuple_keys/1, term_type/1, map_hashmap_children/1, + maps_to_list/2]). -export([open_port/2, port_command/3, port_connect/2, port_close/1, port_control/3, port_call/3, port_info/1, port_info/2]). @@ -369,6 +370,15 @@ map_hashmap_children(_M) -> Multi :: boolean(), Res :: term(). +%% return a list of key value pairs, at most of length N +-spec maps_to_list(M,N) -> Pairs when + M :: map(), + N :: integer(), + Pairs :: list(). + +maps_to_list(_M, _N) -> + erlang:nif_error(undefined). + %% erlang:demonitor(Ref, [flush]) traps to %% erts_internal:flush_monitor_messages(Ref, Res) when %% it needs to flush monitor messages. diff --git a/erts/preloaded/src/init.erl b/erts/preloaded/src/init.erl index 551ca4ea40..3dc6953b4c 100644 --- a/erts/preloaded/src/init.erl +++ b/erts/preloaded/src/init.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2016. All Rights Reserved. +%% Copyright Ericsson AB 1996-2017. All Rights Reserved. %% %% Licensed under the Apache License, Version 2.0 (the "License"); %% you may not use this file except in compliance with the License. @@ -932,15 +932,15 @@ load_rest([], _) -> prepare_loading_fun() -> fun(Mod, FullName, Beam) -> case erlang:prepare_loading(Mod, Beam) of - Prepared when is_binary(Prepared) -> + {error,_}=Error -> + Error; + Prepared -> case erlang:has_prepared_code_on_load(Prepared) of true -> {ok,{on_load,Beam,FullName}}; false -> {ok,{prepared,Prepared,FullName}} - end; - {error,_}=Error -> - Error + end end end. @@ -1084,7 +1084,7 @@ start_it({eval,Bin}) -> {ok,Ts,_} = erl_scan:string(Str), Ts1 = case reverse(Ts) of [{dot,_}|_] -> Ts; - TsR -> reverse([{dot,1} | TsR]) + TsR -> reverse([{dot,erl_anno:new(1)} | TsR]) end, {ok,Expr} = erl_parse:parse_exprs(Ts1), {value, _Value, _Bs} = erl_eval:exprs(Expr, erl_eval:new_bindings()), diff --git a/erts/preloaded/src/prim_eval.S b/erts/preloaded/src/prim_eval.S index e7f09a870c..c6623f8e03 100644 --- a/erts/preloaded/src/prim_eval.S +++ b/erts/preloaded/src/prim_eval.S @@ -26,7 +26,7 @@ {attributes, []}. -{labels, 10}. +{labels, 14}. {function, 'receive', 2, 2}. @@ -36,6 +36,9 @@ {allocate,2,2}. {move,{x,1},{y,0}}. {move,{x,0},{y,1}}. + %% Call arg_reg_alloc() in order to ensure + %% that def_arg_reg[0] isn't clobbered + {call,0,{f,7}}. {label,3}. {loop_rec,{f,5},{x,0}}. {move,{y,1},{x,1}}. @@ -53,19 +56,43 @@ {deallocate,2}. return. - -{function, module_info, 0, 8}. +{function, arg_reg_alloc, 0, 7}. {label,6}. - {func_info,{atom,prim_eval},{atom,module_info},0}. + {func_info,{atom,prim_eval},{atom,arg_reg_alloc},0}. {label,7}. + {allocate,0,0}. + {move,{integer,134217727},{x,0}}. + {call_ext,1,{extfunc,erlang,bump_reductions,1}}. + {move,{atom,true},{x,3}}. + {move,{atom,true},{x,4}}. + {move,{atom,true},{x,2}}. + {move,{atom,true},{x,5}}. + {move,{atom,true},{x,1}}. + {move,{atom,true},{x,6}}. + {move,{atom,true},{x,0}}. + {call_last,7,{f,9},0}. + + +{function, arg_reg_alloc, 7, 9}. + {label,8}. + {func_info,{atom,prim_eval},{atom,arg_reg_alloc},7}. + {label,9}. + {move,{atom,ok},{x,0}}. + return. + + +{function, module_info, 0, 11}. + {label,10}. + {func_info,{atom,prim_eval},{atom,module_info},0}. + {label,11}. {move,{atom,prim_eval},{x,0}}. {call_ext_only,1,{extfunc,erlang,get_module_info,1}}. -{function, module_info, 1, 10}. - {label,8}. +{function, module_info, 1, 13}. + {label,12}. {func_info,{atom,prim_eval},{atom,module_info},1}. - {label,9}. + {label,13}. {move,{x,0},{x,1}}. {move,{atom,prim_eval},{x,0}}. {call_ext_only,2,{extfunc,erlang,get_module_info,2}}. diff --git a/erts/test/system_smoke.spec b/erts/test/system_smoke.spec index 933d1ba22d..99092c1dab 100644 --- a/erts/test/system_smoke.spec +++ b/erts/test/system_smoke.spec @@ -1,3 +1,8 @@ {suites,"../system_test",[ethread_SUITE]}. -{cases,"../system_test",otp_SUITE,[undefined_functions]}. +{cases,"../system_test",otp_SUITE, + [undefined_functions, + deprecated_not_in_obsolete, + obsolete_but_not_deprecated, + call_to_size_1, + call_to_now_0]}. {skip_cases,"../system_test",ethread_SUITE,[max_threads],"Skip"}. diff --git a/erts/test/upgrade_SUITE.erl b/erts/test/upgrade_SUITE.erl index 174c028ac7..086e54f8a4 100644 --- a/erts/test/upgrade_SUITE.erl +++ b/erts/test/upgrade_SUITE.erl @@ -37,10 +37,9 @@ %% In specific: %% - hipe does not support any upgrade at all %% - dialyzer requires hipe (in the .app file) -%% - typer requires hipe (in the .app file) %% - erl_interface, jinterface support no upgrade -define(appup_exclude, - [dialyzer,hipe,typer,erl_interface,jinterface,ose]). + [dialyzer,hipe,erl_interface,jinterface,ose]). init_per_suite(Config) -> %% Check that a real release is running, not e.g. cerl @@ -54,6 +53,10 @@ init_per_suite(Config) -> Config end. +end_per_suite(_Config) -> + %% This function is required since init_per_suite/1 exists. + ok. + init_per_testcase(Case,Config) -> PrivDir = filename:join([proplists:get_value(data_dir,Config),priv_dir,Case]), CreateDir = filename:join([PrivDir,create]), diff --git a/erts/vsn.mk b/erts/vsn.mk index 028b114068..453df6ca83 100644 --- a/erts/vsn.mk +++ b/erts/vsn.mk @@ -18,7 +18,7 @@ # %CopyrightEnd% # -VSN = 8.2.1 +VSN = 9.0 # Port number 4365 in 4.2 # Port number 4366 in 4.3 |