diff options
Diffstat (limited to 'erts')
32 files changed, 466 insertions, 357 deletions
diff --git a/erts/doc/src/erl.xml b/erts/doc/src/erl.xml index 1bbde7f1e0..5d5bfb141f 100644 --- a/erts/doc/src/erl.xml +++ b/erts/doc/src/erl.xml @@ -338,7 +338,8 @@ <seealso marker="kernel:net_kernel">net_kernel(3)</seealso>. It is also ensured that <c><![CDATA[epmd]]></c> runs on the current host before Erlang is started. See - <seealso marker="epmd">epmd(1)</seealso>.</p> + <seealso marker="epmd">epmd(1)</seealso> and the + <seealso marker="#start_epmd"><c>-start_epmd</c></seealso> option.</p> <p>The name of the node will be <c><![CDATA[Name@Host]]></c>, where <c><![CDATA[Host]]></c> is the fully qualified host name of the current host. For short names, use the <c><![CDATA[-sname]]></c> flag instead.</p> @@ -463,6 +464,21 @@ flag and those running with the <c><![CDATA[-name]]></c> flag, as node names must be unique in distributed Erlang systems.</p> </item> + <tag><marker id="start_epmd"/><c>-start_epmd true | false</c></tag> + <item> + + <p>Specifies whether Erlang should start + <seealso marker="epmd">epmd</seealso> on startup. By default + this is <c>true</c>, but if you prefer to start epmd + manually, set this to <c>false</c>.</p> + + <p>This only applies if Erlang is started as a distributed node, + i.e. if <c>-name</c> or <c>-sname</c> is specified. Otherwise, + epmd is not started even if <c>-start_epmd true</c> is given.</p> + + <p>Note that a distributed node will fail to start if epmd is + not running.</p> + </item> <tag><marker id="smp"/><c><![CDATA[-smp [enable|auto|disable]]]></c></tag> <item> <p><c>-smp enable</c> and <c>-smp</c> starts the Erlang runtime @@ -660,11 +676,11 @@ <p>Sets the initial process dictionary size of processes to the size <c><![CDATA[Size]]></c>.</p> </item> - <tag><marker id="+hmqd"><c>+hmqd off_heap|on_heap|mixed</c></marker></tag> + <tag><marker id="+hmqd"><c>+hmqd off_heap|on_heap</c></marker></tag> <item><p> Sets the default value for the process flag <c>message_queue_data</c>. If <c>+hmqd</c> is not - passed, <c>mixed</c> will be the default. For more information, + passed, <c>on_heap</c> will be the default. For more information, see the documentation of <seealso marker="erlang#process_flag_message_queue_data"><c>process_flag(message_queue_data, MQD)</c></seealso>. diff --git a/erts/doc/src/erl_nif.xml b/erts/doc/src/erl_nif.xml index 33a4fee182..57e047af08 100644 --- a/erts/doc/src/erl_nif.xml +++ b/erts/doc/src/erl_nif.xml @@ -295,14 +295,14 @@ ok </p></item> <tag><marker id="time_measurement"/>Time Measurement</tag> - <item><p>Support for time measurement in NIF libraries: + <item><p>Support for time measurement in NIF libraries:</p> <list> <item><seealso marker="#ErlNifTime"><c>ErlNifTime</c></seealso></item> <item><seealso marker="#ErlNifTimeUnit"><c>ErlNifTimeUnit</c></seealso></item> <item><seealso marker="#enif_monotonic_time"><c>enif_monotonic_time()</c></seealso></item> <item><seealso marker="#enif_time_offset"><c>enif_time_offset()</c></seealso></item> <item><seealso marker="#enif_convert_time_unit"><c>enif_convert_time_unit()</c></seealso></item> - </list></p> + </list> </item> <tag><marker id="lengthy_work"/>Long-running NIFs</tag> diff --git a/erts/doc/src/erl_tracer.xml b/erts/doc/src/erl_tracer.xml index d4c8bbad31..7841fdfd63 100644 --- a/erts/doc/src/erl_tracer.xml +++ b/erts/doc/src/erl_tracer.xml @@ -67,7 +67,7 @@ <desc> <p>The different trace tags that the tracer will be called with. Each trace tag is described in greater detail in - <seealso marker="#Module:trace/6">Module:trace/6</seealso> + <seealso marker="#Module:trace/5">Module:trace/5</seealso> </p> </desc> </datatype> @@ -84,14 +84,18 @@ <p>The options for the tracee.</p> <taglist> <tag><c>timestamp</c></tag> - <item>If not set to <c>undefined</c>, the tracer has been requested to - include a timestamp.</item> + <item>If set the tracer has been requested to include a timestamp.</item> + <tag><c>extra</c></tag> + <item>If set the tracepoint has included additonal 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 elemnt in the trace tuples described in + <seealso marker="erlang#trace_3_trace_messages">erlang:trace/3</seealso>.</item> <tag><c>match_spec_result</c></tag> - <item>If not set to <c>true</c>, the tracer has been requested to - include the output of a match specification that was run.</item> + <item>If set the tracer has been requested to include the output + of a match specification that was run.</item> <tag><c>scheduler_id</c></tag> - <item>Set to a number if the scheduler id is to be included by the tracer. - Otherwise it is set to <c>undefined</c>.</item> + <item>Set the scheduler id is to be included by the tracer.</item> </taglist> </desc> </datatype> @@ -115,23 +119,23 @@ <taglist> <tag><seealso marker="#Module:enabled/3"><c>Module:enabled/3</c></seealso></tag> <item>Mandatory</item> - <tag><seealso marker="#Module:trace/6"><c>Module:trace/6</c></seealso></tag> + <tag><seealso marker="#Module:trace/5"><c>Module:trace/5</c></seealso></tag> <item>Mandatory</item> <tag><seealso marker="#Module:enabled_procs/3"><c>Module:enabled_procs/3</c></seealso></tag> <item>Optional</item> - <tag><seealso marker="#Module:trace_procs/6"><c>Module:trace_procs/6</c></seealso></tag> + <tag><seealso marker="#Module:trace_procs/5"><c>Module:trace_procs/5</c></seealso></tag> <item>Optional</item> <tag><seealso marker="#Module:enabled_ports/3"><c>Module:enabled_ports/3</c></seealso></tag> <item>Optional</item> - <tag><seealso marker="#Module:trace_ports/6"><c>Module:trace_ports/6</c></seealso></tag> + <tag><seealso marker="#Module:trace_ports/5"><c>Module:trace_ports/5</c></seealso></tag> <item>Optional</item> <tag><seealso marker="#Module:enabled_running_ports/3"><c>Module:enabled_running_ports/3</c></seealso></tag> <item>Optional</item> - <tag><seealso marker="#Module:trace_running_ports/6"><c>Module:trace_running_ports/6</c></seealso></tag> + <tag><seealso marker="#Module:trace_running_ports/5"><c>Module:trace_running_ports/5</c></seealso></tag> <item>Optional</item> <tag><seealso marker="#Module:enabled_running_procs/3"><c>Module:enabled_running_procs/3</c></seealso></tag> <item>Optional</item> - <tag><seealso marker="#Module:trace_running_procs/6"><c>Module:trace_running_procs/6</c></seealso></tag> + <tag><seealso marker="#Module:trace_running_procs/5"><c>Module:trace_running_procs/5</c></seealso></tag> <item>Optional</item> </taglist> @@ -166,14 +170,13 @@ </desc> </func> <func> - <name>Module:trace(TraceTag, TracerState, Tracee, FirstTraceTerm, SecondTraceTerm, Opts) -> Result</name> + <name>Module:trace(TraceTag, TracerState, Tracee, TraceTerm, Opts) -> Result</name> <fsummary>Check if a trace event should be generated.</fsummary> <type> <v>TraceTag = <seealso marker="#type-trace_tag">trace_tag()</seealso></v> <v>TracerState = term()</v> <v>Tracee = <seealso marker="#type-tracee">tracee()</seealso></v> <v>FirstTraceTerm = term()</v> - <v>SecondTraceTerm = term() | undefined</v> <v>Opts = <seealso marker="#type-trace_opts">trace_opts()</seealso></v> <v>Result = ok</v> </type> @@ -182,17 +185,17 @@ the <seealso marker="#Module:enabled/3">Module:enabled/3</seealso> callback returned <c>trace</c>. In it any side effects needed by the tracer should be done. The tracepoint payload is located in - the <c>FirstTraceTerm</c> and <c>SecondTraceTerm</c>. The content - of the TraceTerms depends on which <c>TraceTag</c> has been triggered. - The <c>FirstTraceTerm</c> and <c>SecondTraceTerm</c> correspond to the - fourth and fifth slot in the trace tuples described in + the <c>TraceTerm</c>. The content of the TraceTerm depends on which + <c>TraceTag</c> has been triggered. + The <c>TraceTerm</c> corresponds to the + fourth element in the trace tuples described in <seealso marker="erlang#trace_3_trace_messages">erlang:trace/3</seealso>. - If the tuple only has four elements, <c>SecondTraceTerm</c> will be - <c>undefined</c>.</p> + If the trace tuple has five elements, the fifth element will be sent as + the <c>extra</c> value in the <c>Opts</c> maps.</p> </desc> </func> <func> - <name name="trace">Module:trace(seq_trace, TracerState, Label, SeqTraceInfo, undefined, Opts) -> Result</name> + <name name="trace">Module:trace(seq_trace, TracerState, Label, SeqTraceInfo, Opts) -> Result</name> <fsummary>Check if a sequence trace event should be generated.</fsummary> <type> <v>TracerState = term()</v> @@ -228,14 +231,13 @@ </func> <func> - <name>Module:trace_procs(TraceTag, TracerState, Tracee, FirstTraceTerm, SecondTraceTerm, Opts) -> Result</name> + <name>Module:trace_procs(TraceTag, TracerState, Tracee, TraceTerm, Opts) -> Result</name> <fsummary>Check if a trace event should be generated.</fsummary> <type> <v>TraceTag = <seealso marker="#type-trace_tag_procs">trace_tag()</seealso></v> <v>TracerState = term()</v> <v>Tracee = <seealso marker="#type-tracee">tracee()</seealso></v> <v>FirstTraceTerm = term()</v> - <v>SecondTraceTerm = term() | undefined</v> <v>Opts = <seealso marker="#type-trace_opts">trace_opts()</seealso></v> <v>Result = ok</v> </type> @@ -243,7 +245,7 @@ <p>This callback will be called when a tracepoint is triggered and the <seealso marker="#Module:enabled_procs/3">Module:enabled_procs/3</seealso> callback returned <c>trace</c>.</p> - <p>If <c>trace_procs/6</c> is not defined <c>trace/6</c> will be called instead.</p> + <p>If <c>trace_procs/5</c> is not defined <c>trace/5</c> will be called instead.</p> </desc> </func> @@ -265,14 +267,13 @@ </func> <func> - <name>Module:trace_ports(TraceTag, TracerState, Tracee, FirstTraceTerm, SecondTraceTerm, Opts) -> Result</name> + <name>Module:trace_ports(TraceTag, TracerState, Tracee, TraceTerm, Opts) -> Result</name> <fsummary>Check if a trace event should be generated.</fsummary> <type> <v>TraceTag = <seealso marker="#type-trace_tag_ports">trace_tag()</seealso></v> <v>TracerState = term()</v> <v>Tracee = <seealso marker="#type-tracee">tracee()</seealso></v> <v>FirstTraceTerm = term()</v> - <v>SecondTraceTerm = term() | undefined</v> <v>Opts = <seealso marker="#type-trace_opts">trace_opts()</seealso></v> <v>Result = ok</v> </type> @@ -280,7 +281,7 @@ <p>This callback will be called when a tracepoint is triggered and the <seealso marker="#Module:enabled_ports/3">Module:enabled_ports/3</seealso> callback returned <c>trace</c>.</p> - <p>If <c>trace_ports/6</c> is not defined <c>trace/6</c> will be called instead.</p> + <p>If <c>trace_ports/5</c> is not defined <c>trace/5</c> will be called instead.</p> </desc> </func> @@ -302,14 +303,13 @@ </func> <func> - <name>Module:trace_running_procs(TraceTag, TracerState, Tracee, FirstTraceTerm, SecondTraceTerm, Opts) -> Result</name> + <name>Module:trace_running_procs(TraceTag, TracerState, Tracee, TraceTerm, Opts) -> Result</name> <fsummary>Check if a trace event should be generated.</fsummary> <type> <v>TraceTag = <seealso marker="#type-trace_tag_running_procs">trace_tag_running_procs()</seealso></v> <v>TracerState = term()</v> <v>Tracee = <seealso marker="#type-tracee">tracee()</seealso></v> <v>FirstTraceTerm = term()</v> - <v>SecondTraceTerm = term() | undefined</v> <v>Opts = <seealso marker="#type-trace_opts">trace_opts()</seealso></v> <v>Result = ok</v> </type> @@ -317,7 +317,7 @@ <p>This callback will be called when a tracepoint is triggered and the <seealso marker="#Module:enabled_running_procs/3">Module:enabled_running_procs/3</seealso> callback returned <c>trace</c>.</p> - <p>If <c>trace_running_procs/6</c> is not defined <c>trace/6</c> will be called instead.</p> + <p>If <c>trace_running_procs/5</c> is not defined <c>trace/5</c> will be called instead.</p> </desc> </func> @@ -339,14 +339,13 @@ </func> <func> - <name>Module:trace_running_ports(TraceTag, TracerState, Tracee, FirstTraceTerm, SecondTraceTerm, Opts) -> Result</name> + <name>Module:trace_running_ports(TraceTag, TracerState, Tracee, TraceTerm, Opts) -> Result</name> <fsummary>Check if a trace event should be generated.</fsummary> <type> <v>TraceTag = <seealso marker="#type-trace_tag_running_ports">trace_tag_running_ports()</seealso></v> <v>TracerState = term()</v> <v>Tracee = <seealso marker="#type-tracee">tracee()</seealso></v> <v>FirstTraceTerm = term()</v> - <v>SecondTraceTerm = term() | undefined</v> <v>Opts = <seealso marker="#type-trace_opts">trace_opts()</seealso></v> <v>Result = ok</v> </type> @@ -354,7 +353,7 @@ <p>This callback will be called when a tracepoint is triggered and the <seealso marker="#Module:enabled_running_ports/3">Module:enabled_running_ports/3</seealso> callback returned <c>trace</c>.</p> - <p>If <c>trace_running_ports/6</c> is not defined <c>trace/6</c> will be called instead.</p> + <p>If <c>trace_running_ports/5</c> is not defined <c>trace/5</c> will be called instead.</p> </desc> </func> @@ -376,14 +375,13 @@ </func> <func> - <name>Module:trace_call(TraceTag, TracerState, Tracee, FirstTraceTerm, SecondTraceTerm, Opts) -> Result</name> + <name>Module:trace_call(TraceTag, TracerState, Tracee, TraceTerm, Opts) -> Result</name> <fsummary>Check if a trace event should be generated.</fsummary> <type> <v>TraceTag = <seealso marker="#type-trace_tag_call">trace_tag_call()</seealso></v> <v>TracerState = term()</v> <v>Tracee = <seealso marker="#type-tracee">tracee()</seealso></v> <v>FirstTraceTerm = term()</v> - <v>SecondTraceTerm = term() | undefined</v> <v>Opts = <seealso marker="#type-trace_opts">trace_opts()</seealso></v> <v>Result = ok</v> </type> @@ -391,7 +389,7 @@ <p>This callback will be called when a tracepoint is triggered and the <seealso marker="#Module:enabled_call/3">Module:enabled_call/3</seealso> callback returned <c>trace</c>.</p> - <p>If <c>trace_call/6</c> is not defined <c>trace/6</c> will be called instead.</p> + <p>If <c>trace_call/5</c> is not defined <c>trace/5</c> will be called instead.</p> </desc> </func> @@ -413,14 +411,13 @@ </func> <func> - <name>Module:trace_send(TraceTag, TracerState, Tracee, FirstTraceTerm, SecondTraceTerm, Opts) -> Result</name> + <name>Module:trace_send(TraceTag, TracerState, Tracee, TraceTerm, Opts) -> Result</name> <fsummary>Check if a trace event should be generated.</fsummary> <type> <v>TraceTag = <seealso marker="#type-trace_tag_send">trace_tag_send()</seealso></v> <v>TracerState = term()</v> <v>Tracee = <seealso marker="#type-tracee">tracee()</seealso></v> <v>FirstTraceTerm = term()</v> - <v>SecondTraceTerm = term() | undefined</v> <v>Opts = <seealso marker="#type-trace_opts">trace_opts()</seealso></v> <v>Result = ok</v> </type> @@ -428,7 +425,7 @@ <p>This callback will be called when a tracepoint is triggered and the <seealso marker="#Module:enabled_send/3">Module:enabled_send/3</seealso> callback returned <c>trace</c>.</p> - <p>If <c>trace_send/6</c> is not defined <c>trace/6</c> will be called instead.</p> + <p>If <c>trace_send/5</c> is not defined <c>trace/5</c> will be called instead.</p> </desc> </func> @@ -450,14 +447,13 @@ </func> <func> - <name>Module:trace_receive(TraceTag, TracerState, Tracee, FirstTraceTerm, SecondTraceTerm, Opts) -> Result</name> + <name>Module:trace_receive(TraceTag, TracerState, Tracee, TraceTerm, Opts) -> Result</name> <fsummary>Check if a trace event should be generated.</fsummary> <type> <v>TraceTag = <seealso marker="#type-trace_tag_receive">trace_tag_receive()</seealso></v> <v>TracerState = term()</v> <v>Tracee = <seealso marker="#type-tracee">tracee()</seealso></v> <v>FirstTraceTerm = term()</v> - <v>SecondTraceTerm = term() | undefined</v> <v>Opts = <seealso marker="#type-trace_opts">trace_opts()</seealso></v> <v>Result = ok</v> </type> @@ -465,7 +461,7 @@ <p>This callback will be called when a tracepoint is triggered and the <seealso marker="#Module:enabled_receive/3">Module:enabled_receive/3</seealso> callback returned <c>trace</c>.</p> - <p>If <c>trace_receive/6</c> is not defined <c>trace/6</c> will be called instead.</p> + <p>If <c>trace_receive/5</c> is not defined <c>trace/5</c> will be called instead.</p> </desc> </func> @@ -487,14 +483,13 @@ </func> <func> - <name>Module:trace_garbage_collection(TraceTag, TracerState, Tracee, FirstTraceTerm, SecondTraceTerm, Opts) -> Result</name> + <name>Module:trace_garbage_collection(TraceTag, TracerState, Tracee, TraceTerm, Opts) -> Result</name> <fsummary>Check if a trace event should be generated.</fsummary> <type> <v>TraceTag = <seealso marker="#type-trace_tag_gc">trace_tag_gc()</seealso></v> <v>TracerState = term()</v> <v>Tracee = <seealso marker="#type-tracee">tracee()</seealso></v> <v>FirstTraceTerm = term()</v> - <v>SecondTraceTerm = term() | undefined</v> <v>Opts = <seealso marker="#type-trace_opts">trace_opts()</seealso></v> <v>Result = ok</v> </type> @@ -502,7 +497,7 @@ <p>This callback will be called when a tracepoint is triggered and the <seealso marker="#Module:enabled_garbage_collection/3">Module:enabled_garbage_collection/3</seealso> callback returned <c>trace</c>.</p> - <p>If <c>trace_garbage_collection/6</c> is not defined <c>trace/6</c> will be called instead.</p> + <p>If <c>trace_garbage_collection/5</c> is not defined <c>trace/5</c> will be called instead.</p> </desc> </func> @@ -543,7 +538,7 @@ ok <pre> -module(erl_msg_tracer). --export([enabled/3, trace/6, load/0]). +-export([enabled/3, trace/5, load/0]). load() -> erlang:load_nif("erl_msg_tracer", []). @@ -551,7 +546,7 @@ load() -> enabled(_, _, _) -> error. -trace(_, _, _,_, _, _) -> +trace(_, _, _,_, _) -> error. </pre> <p>erl_msg_tracer.c</p> @@ -569,7 +564,7 @@ static ERL_NIF_TERM trace(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); static ErlNifFunc nif_funcs[] = { {"enabled", 3, enabled}, - {"trace", 6, trace} + {"trace", 5, trace} }; ERL_NIF_INIT(erl_msg_tracer, nif_funcs, load, NULL, upgrade, unload) @@ -632,9 +627,8 @@ static ERL_NIF_TERM enabled(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) * argv[0]: TraceTag, should only be 'send' * argv[1]: TracerState, process to send {argv[2], argv[4]} to * argv[2]: Tracee - * argv[3]: Message, ignored - * argv[4]: Recipient - * argv[5]: Options, ignored + * argv[3]: Recipient + * argv[4]: Options, ignored */ static ERL_NIF_TERM trace(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) { diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml index 9287b32fec..e0c3fed0c2 100644 --- a/erts/doc/src/erlang.xml +++ b/erts/doc/src/erlang.xml @@ -1802,6 +1802,8 @@ os_prompt% </pre> <tag>string()</tag> <item>An Erlang crash dump is produced with <c><anno>Status</anno></c> as slogan. Then the runtime system exits with status code <c>1</c>. + Note that only code points in the range 0-255 may be used + and the string will be truncated if longer than 200 characters. </item> <tag><c>abort</c></tag> <item> @@ -4449,11 +4451,6 @@ os_prompt% </pre> off heap. This is how messages always have been stored up until ERTS version 8.0. </p></item> - <tag><c>mixed</c></tag> - <item><p> - Messages may be placed either on the heap or outside - of the heap. - </p></item> </taglist> <p> The default <c>message_queue_data</c> process flag is determined @@ -4877,7 +4874,7 @@ os_prompt% </pre> <item> <p>Returns the current state of the <c>message_queue_data</c> process flag. <c><anno>MQD</anno></c> is either <c>off_heap</c>, - <c>on_heap</c>, or <c>mixed</c>. For more information, see the + or <c>on_heap</c>. For more information, see the documentation of <seealso marker="#process_flag_message_queue_data"><c>process_flag(message_queue_data, MQD)</c></seealso>.</p> @@ -5808,7 +5805,7 @@ true</pre> <item> <p>Sets the state of the <c>message_queue_data</c> process flag. <c><anno>MQD</anno></c> should be either <c>off_heap</c>, - <c>on_heap</c>, or <c>mixed</c>. The default + or <c>on_heap</c>. The default <c>message_queue_data</c> process flag is determined by the <seealso marker="erl#+hmqd"><c>+hmqd</c></seealso> <c>erl</c> command line argument. For more information, see the @@ -7164,7 +7161,7 @@ ok <tag><marker id="system_info_message_queue_data"><c>message_queue_data</c></marker></tag> <item> <p>Returns the default value of the <c>message_queue_data</c> - process flag which is either <c>off_heap</c>, <c>on_heap</c>, or <c>mixed</c>. + process flag which is either <c>off_heap</c>, or <c>on_heap</c>. This default is set by the <c>erl</c> command line argument <seealso marker="erl#+hmqd"><c>+hmqd</c></seealso>. For more information on the <c>message_queue_data</c> process flag, see documentation of diff --git a/erts/doc/src/init.xml b/erts/doc/src/init.xml index 84a5aea335..a88a815ef6 100644 --- a/erts/doc/src/init.xml +++ b/erts/doc/src/init.xml @@ -178,14 +178,8 @@ <name name="stop" arity="0"/> <fsummary>Take down an Erlang node smoothly</fsummary> <desc> - <p>All applications are taken down smoothly, all code is - unloaded, and all ports are closed before the system - terminates. If the <c>-heart</c> command line flag was given, - the <c>heart</c> program is terminated before the Erlang node - terminates. Refer to <c>heart(3)</c> for more information.</p> - <p>To limit the shutdown time, the time <c>init</c> is allowed - to spend taking down applications, the <c>-shutdown_time</c> - command line flag should be used.</p> + <p>The same as + <seealso marker="#stop/1"><c>stop(0)</c></seealso>.</p> </desc> </func> <func> @@ -241,6 +235,11 @@ marker="kernel:code">code(3)</seealso>.</p> </item> + <tag><c>-epmd_module Module</c></tag> + <item> + <p>Specifies the module to use for registration and lookup of + node names. Defaults to <c>erl_epmd</c>.</p> + </item> <tag><c>-eval Expr</c></tag> <item> <p>Scans, parses and evaluates an arbitrary expression diff --git a/erts/emulator/beam/atom.names b/erts/emulator/beam/atom.names index 8f65e71531..badd69856e 100644 --- a/erts/emulator/beam/atom.names +++ b/erts/emulator/beam/atom.names @@ -228,9 +228,6 @@ atom endian atom env atom eof atom eol -atom exception_from -atom exception_trace -atom extended atom Eq='=:=' atom Eqeq='==' atom erl_tracer @@ -243,6 +240,8 @@ atom ets atom ETS_TRANSFER='ETS-TRANSFER' atom event atom exact_reductions +atom exception_from +atom exception_trace atom exclusive atom exit_status atom existing @@ -251,7 +250,9 @@ atom existing_ports atom existing atom exiting atom exports +atom extended atom external +atom extra atom false atom fcgi atom fd @@ -389,7 +390,6 @@ atom min_heap_size atom min_bin_vheap_size atom minor_version atom Minus='-' -atom mixed atom module atom module_info atom monitored_by diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c index 2a3bd4afe5..b18910e2c7 100644 --- a/erts/emulator/beam/bif.c +++ b/erts/emulator/beam/bif.c @@ -917,9 +917,6 @@ BIF_RETTYPE spawn_opt_1(BIF_ALIST_1) goto error; } else if (arg == am_message_queue_data) { switch (val) { - case am_mixed: - so.flags &= ~(SPO_OFF_HEAP_MSGQ|SPO_ON_HEAP_MSGQ); - break; case am_on_heap: so.flags &= ~SPO_OFF_HEAP_MSGQ; so.flags |= SPO_ON_HEAP_MSGQ; @@ -3836,59 +3833,11 @@ BIF_RETTYPE display_nl_0(BIF_ALIST_0) /**********************************************************************/ -/* stop the system */ -/* ARGSUSED */ -BIF_RETTYPE halt_0(BIF_ALIST_0) -{ - VERBOSE(DEBUG_SYSTEM,("System halted by BIF halt()\n")); - erts_halt(0); - ERTS_BIF_YIELD1(bif_export[BIF_halt_1], BIF_P, am_undefined); -} - -/**********************************************************************/ #define HALT_MSG_SIZE 200 -static char halt_msg[HALT_MSG_SIZE]; - -/* stop the system with exit code */ -/* ARGSUSED */ -BIF_RETTYPE halt_1(BIF_ALIST_1) -{ - Uint code; - - if (term_to_Uint_mask(BIF_ARG_1, &code)) { - int pos_int_code = (int) (code & INT_MAX); - VERBOSE(DEBUG_SYSTEM,("System halted by BIF halt(%T)\n", BIF_ARG_1)); - erts_halt(pos_int_code); - ERTS_BIF_YIELD1(bif_export[BIF_halt_1], BIF_P, am_undefined); - } - else if (ERTS_IS_ATOM_STR("abort", BIF_ARG_1)) { - VERBOSE(DEBUG_SYSTEM,("System halted by BIF halt(%T)\n", BIF_ARG_1)); - erts_smp_proc_unlock(BIF_P, ERTS_PROC_LOCK_MAIN); - erts_exit(ERTS_ABORT_EXIT, ""); - } - else if (is_string(BIF_ARG_1) || BIF_ARG_1 == NIL) { - Sint i; - - if ((i = intlist_to_buf(BIF_ARG_1, halt_msg, HALT_MSG_SIZE-1)) < 0) { - goto error; - } - halt_msg[i] = '\0'; - VERBOSE(DEBUG_SYSTEM,("System halted by BIF halt(%T)\n", BIF_ARG_1)); - erts_smp_proc_unlock(BIF_P, ERTS_PROC_LOCK_MAIN); - erts_exit(ERTS_DUMP_EXIT, "%s\n", halt_msg); - } - else - goto error; - return NIL; /* Pedantic (lint does not know about erts_exit) */ - error: - BIF_ERROR(BIF_P, BADARG); -} - -/**********************************************************************/ +static char halt_msg[HALT_MSG_SIZE+1]; /* stop the system with exit code and flags */ -/* ARGSUSED */ BIF_RETTYPE halt_2(BIF_ALIST_2) { Uint code; @@ -3924,7 +3873,7 @@ BIF_RETTYPE halt_2(BIF_ALIST_2) ("System halted by BIF halt(%T, %T)\n", BIF_ARG_1, BIF_ARG_2)); if (flush) { erts_halt(pos_int_code); - ERTS_BIF_YIELD1(bif_export[BIF_halt_1], BIF_P, am_undefined); + ERTS_BIF_YIELD2(bif_export[BIF_halt_2], BIF_P, am_undefined, am_undefined); } else { erts_smp_proc_unlock(BIF_P, ERTS_PROC_LOCK_MAIN); @@ -3940,9 +3889,12 @@ BIF_RETTYPE halt_2(BIF_ALIST_2) else if (is_string(BIF_ARG_1) || BIF_ARG_1 == NIL) { Sint i; - if ((i = intlist_to_buf(BIF_ARG_1, halt_msg, HALT_MSG_SIZE-1)) < 0) { - goto error; - } + if ((i = intlist_to_buf(BIF_ARG_1, halt_msg, HALT_MSG_SIZE)) == -1) { + goto error; + } + if (i == -2) /* truncated string */ + i = HALT_MSG_SIZE; + ASSERT(i >= 0 && i <= HALT_MSG_SIZE); halt_msg[i] = '\0'; VERBOSE(DEBUG_SYSTEM, ("System halted by BIF halt(%T, %T)\n", BIF_ARG_1, BIF_ARG_2)); diff --git a/erts/emulator/beam/bif.tab b/erts/emulator/beam/bif.tab index 872f0f9b2a..065018514a 100644 --- a/erts/emulator/beam/bif.tab +++ b/erts/emulator/beam/bif.tab @@ -72,8 +72,6 @@ bif erlang:get/1 bif erlang:get_keys/1 bif erlang:group_leader/0 bif erlang:group_leader/2 -bif erlang:halt/0 -bif erlang:halt/1 bif erlang:halt/2 bif erlang:phash/2 bif erlang:phash2/1 diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c index 2e195db0ee..b410578d37 100644 --- a/erts/emulator/beam/erl_bif_info.c +++ b/erts/emulator/beam/erl_bif_info.c @@ -1565,9 +1565,6 @@ process_info_aux(Process *BIF_P, case F_ON_HEAP_MSGQ: res = am_on_heap; break; - case 0: - res = am_mixed; - break; default: res = am_error; ERTS_INTERNAL_ERROR("Inconsistent message queue management state"); @@ -2809,8 +2806,6 @@ BIF_RETTYPE system_info_1(BIF_ALIST_1) BIF_RET(am_off_heap); case SPO_ON_HEAP_MSGQ: BIF_RET(am_on_heap); - case 0: - BIF_RET(am_mixed); default: ERTS_INTERNAL_ERROR("Inconsistent message queue management state"); BIF_RET(am_error); diff --git a/erts/emulator/beam/erl_gc.c b/erts/emulator/beam/erl_gc.c index 374da9407c..c7bbbd5ca0 100644 --- a/erts/emulator/beam/erl_gc.c +++ b/erts/emulator/beam/erl_gc.c @@ -2293,18 +2293,13 @@ move_msgq_to_heap(Process *p) free_message_buffer(bp); } else { - ErtsMessage *tmp = erts_alloc_message(0, NULL); - sys_memcpy((void *) tmp->m, (void *) mp->m, - sizeof(Eterm)*ERL_MESSAGE_REF_ARRAY_SZ); - tmp->next = mp->next; - if (p->msg.save == &mp->next) - p->msg.save = &tmp->next; - if (p->msg.last == &mp->next) - p->msg.last = &tmp->next; - *mpp = tmp; + ErtsMessage *new_mp = erts_alloc_message(0, NULL); + sys_memcpy((void *) new_mp->m, (void *) mp->m, + sizeof(Eterm)*ERL_MESSAGE_REF_ARRAY_SZ); + erts_msgq_replace_msg_ref(&p->msg, new_mp, mpp); mp->next = NULL; erts_cleanup_messages(mp); - mp = tmp; + mp = new_mp; } } diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c index 0649fb68de..fbdafec4ef 100644 --- a/erts/emulator/beam/erl_init.c +++ b/erts/emulator/beam/erl_init.c @@ -585,7 +585,7 @@ void erts_usage(void) erts_fprintf(stderr, "-hpds size initial process dictionary size (default %d)\n", erts_pd_initial_size); erts_fprintf(stderr, "-hmqd val set default message queue data flag for processes,\n"); - erts_fprintf(stderr, " valid values are: off_heap | on_heap | mixed\n"); + erts_fprintf(stderr, " valid values are: off_heap | on_heap\n"); /* erts_fprintf(stderr, "-i module set the boot module (default init)\n"); */ @@ -1526,9 +1526,7 @@ erl_start(int argc, char **argv) erts_pd_initial_size)); } else if (has_prefix("mqd", sub_param)) { arg = get_arg(sub_param+3, argv[i+1], &i); - if (sys_strcmp(arg, "mixed") == 0) - erts_default_spo_flags &= ~(SPO_ON_HEAP_MSGQ|SPO_OFF_HEAP_MSGQ); - else if (sys_strcmp(arg, "on_heap") == 0) { + if (sys_strcmp(arg, "on_heap") == 0) { erts_default_spo_flags &= ~SPO_OFF_HEAP_MSGQ; erts_default_spo_flags |= SPO_ON_HEAP_MSGQ; } diff --git a/erts/emulator/beam/erl_message.c b/erts/emulator/beam/erl_message.c index 579f6e427d..ac7b9d6606 100644 --- a/erts/emulator/beam/erl_message.c +++ b/erts/emulator/beam/erl_message.c @@ -1123,11 +1123,9 @@ erts_change_message_queue_management(Process *c_p, Eterm new_state) break; case am_on_heap: c_p->flags |= F_ON_HEAP_MSGQ; + c_p->flags &= ~F_OFF_HEAP_MSGQ; erts_smp_atomic32_read_bor_nob(&c_p->state, ERTS_PSFLG_ON_HEAP_MSGQ); - /* fall through */ - case am_mixed: - c_p->flags &= ~F_OFF_HEAP_MSGQ; /* * We are not allowed to clear ERTS_PSFLG_OFF_HEAP_MSGQ * if a off heap change is ongoing. It will be adjusted @@ -1151,11 +1149,6 @@ erts_change_message_queue_management(Process *c_p, Eterm new_state) switch (new_state) { case am_on_heap: break; - case am_mixed: - c_p->flags &= ~F_ON_HEAP_MSGQ; - erts_smp_atomic32_read_band_nob(&c_p->state, - ~ERTS_PSFLG_ON_HEAP_MSGQ); - break; case am_off_heap: c_p->flags &= ~F_ON_HEAP_MSGQ; erts_smp_atomic32_read_band_nob(&c_p->state, @@ -1167,25 +1160,6 @@ erts_change_message_queue_management(Process *c_p, Eterm new_state) } break; - case 0: - res = am_mixed; - - switch (new_state) { - case am_mixed: - break; - case am_on_heap: - c_p->flags |= F_ON_HEAP_MSGQ; - erts_smp_atomic32_read_bor_nob(&c_p->state, - ERTS_PSFLG_ON_HEAP_MSGQ); - break; - case am_off_heap: - goto change_to_off_heap; - default: - res = THE_NON_VALUE; /* badarg */ - break; - } - break; - default: res = am_error; ERTS_INTERNAL_ERROR("Inconsistent message queue management state"); @@ -1371,10 +1345,10 @@ erts_prep_msgq_for_inspection(Process *c_p, Process *rp, mpp = i == 0 ? &rp->msg.first : &mip[i-1].msgp->next; - if (rp->msg.save == &bad_mp->next) - rp->msg.save = mpp; - if (rp->msg.last == &bad_mp->next) - rp->msg.last = mpp; + ASSERT((*mpp)->next == bad_mp); + + erts_msgq_update_internal_pointers(&rp->msg, mpp, &bad_mp->next); + mp = mp->next; *mpp = mp; rp->msg.len--; @@ -1411,12 +1385,7 @@ erts_prep_msgq_for_inspection(Process *c_p, Process *rp, sys_memcpy((void *) tmp->m, (void *) mp->m, sizeof(Eterm)*ERL_MESSAGE_REF_ARRAY_SZ); mpp = i == 0 ? &rp->msg.first : &mip[i-1].msgp->next; - tmp->next = mp->next; - if (rp->msg.save == &mp->next) - rp->msg.save = &tmp->next; - if (rp->msg.last == &mp->next) - rp->msg.last = &tmp->next; - *mpp = tmp; + erts_msgq_replace_msg_ref(&rp->msg, tmp, mpp); erts_save_message_in_proc(rp, mp); mp = tmp; } diff --git a/erts/emulator/beam/erl_message.h b/erts/emulator/beam/erl_message.h index 46063ea0c2..6df969367b 100644 --- a/erts/emulator/beam/erl_message.h +++ b/erts/emulator/beam/erl_message.h @@ -366,6 +366,12 @@ ERTS_GLB_FORCE_INLINE ErtsMessage *erts_shrink_message(ErtsMessage *mp, Uint sz, ERTS_GLB_FORCE_INLINE void erts_free_message(ErtsMessage *mp); ERTS_GLB_INLINE Uint erts_used_frag_sz(const ErlHeapFragment*); ERTS_GLB_INLINE Uint erts_msg_attached_data_size(ErtsMessage *msg); +ERTS_GLB_INLINE void erts_msgq_update_internal_pointers(ErlMessageQueue *msgq, + ErtsMessage **newpp, + ErtsMessage **oldpp); +ERTS_GLB_INLINE void erts_msgq_replace_msg_ref(ErlMessageQueue *msgq, + ErtsMessage *newp, + ErtsMessage **oldpp); #define ERTS_MSG_COMBINED_HFRAG ((void *) 0x1) @@ -468,6 +474,29 @@ ERTS_GLB_INLINE Uint erts_msg_attached_data_size(ErtsMessage *msg) return sz; } } + +ERTS_GLB_INLINE void +erts_msgq_update_internal_pointers(ErlMessageQueue *msgq, + ErtsMessage **newpp, + ErtsMessage **oldpp) +{ + if (msgq->save == oldpp) + msgq->save = newpp; + if (msgq->last == oldpp) + msgq->last = newpp; + if (msgq->saved_last == oldpp) + msgq->saved_last = newpp; +} + +ERTS_GLB_INLINE void +erts_msgq_replace_msg_ref(ErlMessageQueue *msgq, ErtsMessage *newp, ErtsMessage **oldpp) +{ + ErtsMessage *oldp = *oldpp; + newp->next = oldp->next; + erts_msgq_update_internal_pointers(msgq, &newp->next, &oldp->next); + *oldpp = newp; +} + #endif #endif diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c index 606b73c7b5..2bbb8e3c91 100644 --- a/erts/emulator/beam/erl_nif.c +++ b/erts/emulator/beam/erl_nif.c @@ -623,10 +623,28 @@ int enif_send(ErlNifEnv* env, const ErlNifPid* to_pid, } } else { Uint sz = size_object(msg); + ErlOffHeap *ohp; Eterm *hp; - mp = erts_alloc_message(sz, &hp); - msg = copy_struct(msg, sz, &hp, &mp->hfrag.off_heap); - ASSERT(hp == mp->hfrag.mem+mp->hfrag.used_size); + if (env && !env->tracee) { + flush_env(env); + mp = erts_alloc_message_heap(rp, &rp_locks, sz, &hp, &ohp); + cache_env(env); + } + else { + erts_aint_t state = erts_smp_atomic32_read_nob(&rp->state); + if (state & ERTS_PSFLG_OFF_HEAP_MSGQ) { + mp = erts_alloc_message(sz, &hp); + ohp = sz == 0 ? NULL : &mp->hfrag.off_heap; + } + else { + ErlHeapFragment *bp = new_message_buffer(sz); + mp = erts_alloc_message(0, NULL); + mp->data.heap_frag = bp; + hp = bp->mem; + ohp = &bp->off_heap; + } + } + msg = copy_struct(msg, sz, &hp, ohp); } ERL_MESSAGE_TERM(mp) = msg; diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c index a853ec585b..f8cbe60e76 100644 --- a/erts/emulator/beam/erl_process.c +++ b/erts/emulator/beam/erl_process.c @@ -149,7 +149,7 @@ extern BeamInstr beam_apply[]; extern BeamInstr beam_exit[]; extern BeamInstr beam_continue_exit[]; -int ERTS_WRITE_UNLIKELY(erts_default_spo_flags) = 0; +int ERTS_WRITE_UNLIKELY(erts_default_spo_flags) = SPO_ON_HEAP_MSGQ; int ERTS_WRITE_UNLIKELY(erts_eager_check_io) = 1; int ERTS_WRITE_UNLIKELY(erts_sched_compact_load); int ERTS_WRITE_UNLIKELY(erts_sched_balance_util) = 0; @@ -11206,6 +11206,8 @@ erl_create_process(Process* parent, /* Parent of process (default group leader). flags |= F_ON_HEAP_MSGQ; } + ASSERT((flags & F_ON_HEAP_MSGQ) || (flags & F_OFF_HEAP_MSGQ)); + if (!rq) rq = erts_get_runq_proc(parent); @@ -11218,6 +11220,11 @@ erl_create_process(Process* parent, /* Parent of process (default group leader). goto error; } + ASSERT((erts_smp_atomic32_read_nob(&p->state) + & ERTS_PSFLG_ON_HEAP_MSGQ) + || (erts_smp_atomic32_read_nob(&p->state) + & ERTS_PSFLG_OFF_HEAP_MSGQ)); + #ifdef BM_COUNTERS processes_busy++; #endif diff --git a/erts/emulator/beam/erl_trace.c b/erts/emulator/beam/erl_trace.c index ca001fc156..3dca58d60b 100644 --- a/erts/emulator/beam/erl_trace.c +++ b/erts/emulator/beam/erl_trace.c @@ -2625,7 +2625,7 @@ static void init_tracer_template(ErtsTracerNif *tnif) { /* default tracer functions */ tnif->tracers[TRACE_FUN_DEFAULT].name = "trace"; - tnif->tracers[TRACE_FUN_DEFAULT].arity = 6; + tnif->tracers[TRACE_FUN_DEFAULT].arity = 5; tnif->tracers[TRACE_FUN_DEFAULT].cb = NULL; tnif->tracers[TRACE_FUN_ENABLED].name = "enabled"; @@ -2634,35 +2634,35 @@ static void init_tracer_template(ErtsTracerNif *tnif) { /* specific tracer functions */ tnif->tracers[TRACE_FUN_T_SEND].name = "trace_send"; - tnif->tracers[TRACE_FUN_T_SEND].arity = 6; + tnif->tracers[TRACE_FUN_T_SEND].arity = 5; tnif->tracers[TRACE_FUN_T_SEND].cb = NULL; tnif->tracers[TRACE_FUN_T_RECEIVE].name = "trace_receive"; - tnif->tracers[TRACE_FUN_T_RECEIVE].arity = 6; + tnif->tracers[TRACE_FUN_T_RECEIVE].arity = 5; tnif->tracers[TRACE_FUN_T_RECEIVE].cb = NULL; tnif->tracers[TRACE_FUN_T_CALL].name = "trace_call"; - tnif->tracers[TRACE_FUN_T_CALL].arity = 6; + tnif->tracers[TRACE_FUN_T_CALL].arity = 5; tnif->tracers[TRACE_FUN_T_CALL].cb = NULL; tnif->tracers[TRACE_FUN_T_SCHED_PROC].name = "trace_running_procs"; - tnif->tracers[TRACE_FUN_T_SCHED_PROC].arity = 6; + tnif->tracers[TRACE_FUN_T_SCHED_PROC].arity = 5; tnif->tracers[TRACE_FUN_T_SCHED_PROC].cb = NULL; tnif->tracers[TRACE_FUN_T_SCHED_PORT].name = "trace_running_ports"; - tnif->tracers[TRACE_FUN_T_SCHED_PORT].arity = 6; + tnif->tracers[TRACE_FUN_T_SCHED_PORT].arity = 5; tnif->tracers[TRACE_FUN_T_SCHED_PORT].cb = NULL; tnif->tracers[TRACE_FUN_T_GC].name = "trace_garbage_collection"; - tnif->tracers[TRACE_FUN_T_GC].arity = 6; + tnif->tracers[TRACE_FUN_T_GC].arity = 5; tnif->tracers[TRACE_FUN_T_GC].cb = NULL; tnif->tracers[TRACE_FUN_T_PROCS].name = "trace_procs"; - tnif->tracers[TRACE_FUN_T_PROCS].arity = 6; + tnif->tracers[TRACE_FUN_T_PROCS].arity = 5; tnif->tracers[TRACE_FUN_T_PROCS].cb = NULL; tnif->tracers[TRACE_FUN_T_PORTS].name = "trace_ports"; - tnif->tracers[TRACE_FUN_T_PORTS].arity = 6; + tnif->tracers[TRACE_FUN_T_PORTS].arity = 5; tnif->tracers[TRACE_FUN_T_PORTS].cb = NULL; /* specific enabled functions */ @@ -2834,10 +2834,12 @@ send_to_tracer_nif_raw(Process *c_p, Process *tracee, Eterm tag, Eterm msg, Eterm extra, Eterm pam_result) { if (tnif || (tnif = lookup_tracer_nif(tracer)) != NULL) { -#define MAP_SIZE 3 - Eterm argv[6], local_heap[3+MAP_SIZE /* values */ + (MAP_SIZE+1 /* keys */)]; +#define MAP_SIZE 4 + Eterm argv[5], local_heap[3+MAP_SIZE /* values */ + (MAP_SIZE+1 /* keys */)]; flatmap_t *map = (flatmap_t*)(local_heap+(MAP_SIZE+1)); Eterm *map_values = flatmap_get_values(map); + Eterm *map_keys = local_heap + 1; + Uint map_elem_count = 0; topt = (tnif->tracers[topt].cb) ? topt : TRACE_FUN_DEFAULT; ASSERT(topt < NIF_TRACER_TYPES); @@ -2846,31 +2848,40 @@ send_to_tracer_nif_raw(Process *c_p, Process *tracee, argv[1] = ERTS_TRACER_STATE(tracer); argv[2] = t_p_id; argv[3] = msg; - argv[4] = extra == THE_NON_VALUE ? am_undefined : extra; - argv[5] = make_flatmap(map); + argv[4] = make_flatmap(map); map->thing_word = MAP_HEADER_FLATMAP; - map->size = MAP_SIZE; - map->keys = TUPLE3(local_heap, am_match_spec_result, am_scheduler_id, am_timestamp); - - *map_values++ = pam_result; - if (tracee_flags & F_TRACE_SCHED_NO) - *map_values++ = make_small(erts_get_scheduler_id()); - else - *map_values++ = am_undefined; + + if (extra != THE_NON_VALUE) { + map_keys[map_elem_count] = am_extra; + map_values[map_elem_count++] = extra; + } + + if (pam_result != am_true) { + map_keys[map_elem_count] = am_match_spec_result; + map_values[map_elem_count++] = pam_result; + } + + if (tracee_flags & F_TRACE_SCHED_NO) { + map_keys[map_elem_count] = am_scheduler_id; + map_values[map_elem_count++] = make_small(erts_get_scheduler_id()); + } + map_keys[map_elem_count] = am_timestamp; if (tracee_flags & F_NOW_TS) #ifdef HAVE_ERTS_NOW_CPU if (erts_cpu_timestamp) - *map_values++ = am_cpu_timestamp; + map_values[map_elem_count++] = am_cpu_timestamp; else #endif - *map_values++ = am_timestamp; + map_values[map_elem_count++] = am_timestamp; else if (tracee_flags & F_STRICT_MON_TS) - *map_values++ = am_strict_monotonic; + map_values[map_elem_count++] = am_strict_monotonic; else if (tracee_flags & F_MON_TS) - *map_values++ = am_monotonic; - else - *map_values++ = am_undefined; + map_values[map_elem_count++] = am_monotonic; + + map->size = map_elem_count; + map->keys = make_tuple(local_heap); + local_heap[0] = make_arityval(map_elem_count); #undef MAP_SIZE erts_nif_call_function(c_p, tracee ? tracee : c_p, diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c index 0377f6cb5e..01df5476db 100644 --- a/erts/emulator/beam/io.c +++ b/erts/emulator/beam/io.c @@ -938,18 +938,32 @@ int erts_port_handle_xports(Port *prt) ** -2 on type error */ -#define SET_VEC(iov, bv, bin, ptr, len, vlen) do { \ - (iov)->iov_base = (ptr); \ - (iov)->iov_len = (len); \ - if (sizeof((iov)->iov_len) < sizeof(len) \ - /* Check if (len) overflowed (iov)->iov_len */ \ - && (iov)->iov_len != (len)) { \ - goto L_overflow; \ - } \ - *(bv)++ = (bin); \ - (iov)++; \ - (vlen)++; \ -} while(0) +#ifdef DEBUG +#define MAX_SYSIOVEC_IOVLEN (1ull << (32 - 1)) +#else +#define MAX_SYSIOVEC_IOVLEN (1ull << (sizeof(((SysIOVec*)0)->iov_len) * 8 - 1)) +#endif + +static ERTS_INLINE void +io_list_to_vec_set_vec(SysIOVec **iov, ErlDrvBinary ***binv, + ErlDrvBinary *bin, byte *ptr, Uint len, + int *vlen) +{ + while (len > MAX_SYSIOVEC_IOVLEN) { + (*iov)->iov_base = ptr; + (*iov)->iov_len = MAX_SYSIOVEC_IOVLEN; + ptr += MAX_SYSIOVEC_IOVLEN; + len -= MAX_SYSIOVEC_IOVLEN; + (*iov)++; + (*vlen)++; + *(*binv)++ = bin; + } + (*iov)->iov_base = ptr; + (*iov)->iov_len = len; + *(*binv)++ = bin; + (*iov)++; + (*vlen)++; +} static int io_list_to_vec(Eterm obj, /* io-list */ @@ -960,11 +974,11 @@ io_list_to_vec(Eterm obj, /* io-list */ { DECLARE_ESTACK(s); Eterm* objp; - char *buf = cbin->orig_bytes; + byte *buf = (byte*)cbin->orig_bytes; Uint len = cbin->orig_size; Uint csize = 0; int vlen = 0; - char* cptr = buf; + byte* cptr = buf; goto L_jump_start; /* avoid push */ @@ -1032,15 +1046,17 @@ io_list_to_vec(Eterm obj, /* io-list */ len -= size; } else { if (csize != 0) { - SET_VEC(iov, binv, cbin, cptr, csize, vlen); + io_list_to_vec_set_vec(&iov, &binv, cbin, + cptr, csize, &vlen); cptr = buf; csize = 0; } if (pb->flags) { erts_emasculate_writable_binary(pb); } - SET_VEC(iov, binv, Binary2ErlDrvBinary(pb->val), - pb->bytes+offset, size, vlen); + io_list_to_vec_set_vec( + &iov, &binv, Binary2ErlDrvBinary(pb->val), + pb->bytes+offset, size, &vlen); } } else { ErlHeapBin* hb = (ErlHeapBin *) bptr; @@ -1060,7 +1076,7 @@ io_list_to_vec(Eterm obj, /* io-list */ } if (csize != 0) { - SET_VEC(iov, binv, cbin, cptr, csize, vlen); + io_list_to_vec_set_vec(&iov, &binv, cbin, cptr, csize, &vlen); } DESTROY_ESTACK(s); @@ -1086,10 +1102,13 @@ do { \ if (_bitsize != 0) goto L_type_error; \ if (thing_subtag(*binary_val(_real)) == REFC_BINARY_SUBTAG && \ _bitoffs == 0) { \ - b_size += _size; \ + b_size += _size; \ if (b_size < _size) goto L_overflow_error; \ in_clist = 0; \ - v_size++; \ + v_size++; \ + /* If iov_len is smaller then Uint we split the binary into*/ \ + /* multiple smaller (2GB) elements in the iolist.*/ \ + v_size += _size / MAX_SYSIOVEC_IOVLEN; \ if (_size >= ERL_SMALL_IO_BIN_LIMIT) { \ p_in_clist = 0; \ p_v_size++; \ diff --git a/erts/emulator/beam/utils.c b/erts/emulator/beam/utils.c index cedc88e5fe..f0418446a8 100644 --- a/erts/emulator/beam/utils.c +++ b/erts/emulator/beam/utils.c @@ -3893,8 +3893,10 @@ void bin_write(int to, void *to_arg, byte* buf, size_t sz) } /* Fill buf with the contents of bytelist list - return number of chars in list or -1 for error */ - + * return number of chars in list + * or -1 for type error + * or -2 for not enough buffer space (buffer contains truncated result) + */ Sint intlist_to_buf(Eterm list, char *buf, Sint len) { @@ -3917,7 +3919,7 @@ intlist_to_buf(Eterm list, char *buf, Sint len) return -1; listptr = list_val(*(listptr + 1)); } - return -1; /* not enough space */ + return -2; /* not enough space */ } /* diff --git a/erts/emulator/nifs/common/erl_tracer_nif.c b/erts/emulator/nifs/common/erl_tracer_nif.c index 6dddc80607..c0cc48ff42 100644 --- a/erts/emulator/nifs/common/erl_tracer_nif.c +++ b/erts/emulator/nifs/common/erl_tracer_nif.c @@ -45,7 +45,7 @@ static ERL_NIF_TERM trace(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); static ErlNifFunc nif_funcs[] = { {"enabled", 3, enabled}, - {"trace", 6, trace} + {"trace", 5, trace} }; @@ -57,6 +57,7 @@ ERL_NIF_INIT(erl_tracer, nif_funcs, load, NULL, upgrade, unload) ATOM_DECL(cpu_timestamp); \ ATOM_DECL(discard); \ ATOM_DECL(exception_from); \ + ATOM_DECL(extra); \ ATOM_DECL(match_spec_result); \ ATOM_DECL(monotonic); \ ATOM_DECL(ok); \ @@ -76,8 +77,7 @@ ERL_NIF_INIT(erl_tracer, nif_funcs, load, NULL, upgrade, unload) ATOM_DECL(gc_minor_start); \ ATOM_DECL(gc_minor_end); \ ATOM_DECL(gc_major_start); \ - ATOM_DECL(gc_major_end); \ - ATOM_DECL(undefined); + ATOM_DECL(gc_major_end); #define ATOM_DECL(A) static ERL_NIF_TERM atom_##A ATOMS @@ -154,11 +154,6 @@ static ERL_NIF_TERM enabled(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) Tracee :: pid() || port() || undefined, Msg :: term(), Opts :: map()) -> ignored(). - -spec trace(Tag :: atom(), TracerState :: pid() | port(), - Tracee :: pid() || port() || undefined, - Msg :: term(), - Extra :: term(), - Opts :: map()) -> ignored(). */ static ERL_NIF_TERM trace(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) { @@ -167,7 +162,8 @@ static ERL_NIF_TERM trace(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) ErlNifPort to_port; size_t tt_sz = 0; int is_port = 0; - ASSERT(argc == 6); + size_t opts_sz = 0; + ASSERT(argc == 5); if (!enif_get_local_pid(env, argv[1], &to_pid)) { if (!enif_get_local_port(env, argv[1], &to_port)) { @@ -179,12 +175,17 @@ static ERL_NIF_TERM trace(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) is_port = 1; } - if (!enif_is_identical(argv[4], atom_undefined)) { + opts = argv[4]; + + if (!enif_get_map_size(env, opts, &opts_sz)) + opts_sz = 0; + + if (opts_sz && enif_get_map_value(env, opts, atom_extra, &value)) { tt[tt_sz++] = atom_trace; tt[tt_sz++] = argv[2]; tt[tt_sz++] = argv[0]; tt[tt_sz++] = argv[3]; - tt[tt_sz++] = argv[4]; + tt[tt_sz++] = value; } else { if (enif_is_identical(argv[0], atom_seq_trace)) { tt[tt_sz++] = atom_seq_trace; @@ -198,21 +199,16 @@ static ERL_NIF_TERM trace(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) } } - opts = argv[5]; - if (enif_get_map_value(env, opts, atom_match_spec_result, - &value) - && !enif_is_identical(value, atom_true)) { + if (opts_sz && enif_get_map_value(env, opts, atom_match_spec_result, &value)) { tt[tt_sz++] = value; } - if (enif_get_map_value(env, opts, atom_scheduler_id, &value) - && !enif_is_identical(value, atom_undefined)) { + if (opts_sz && enif_get_map_value(env, opts, atom_scheduler_id, &value)) { tt[tt_sz++] = value; } - if (enif_get_map_value(env, opts, atom_timestamp, &value) - && !enif_is_identical(value, atom_undefined)) { + if (opts_sz && enif_get_map_value(env, opts, atom_timestamp, &value)) { ERL_NIF_TERM ts; if (enif_is_identical(value, atom_monotonic)) { ErlNifTime mon = enif_monotonic_time(ERL_NIF_NSEC); diff --git a/erts/emulator/test/bif_SUITE.erl b/erts/emulator/test/bif_SUITE.erl index 26bb416bf0..ec6cb6ab72 100644 --- a/erts/emulator/test/bif_SUITE.erl +++ b/erts/emulator/test/bif_SUITE.erl @@ -646,6 +646,8 @@ erlang_halt(Config) when is_list(Config) -> {badrpc,nodedown} = rpc:call(N2, erlang, halt, [0]), {ok,N3} = slave:start(H, halt_node3), {badrpc,nodedown} = rpc:call(N3, erlang, halt, [0,[]]), + {ok,N4} = slave:start(H, halt_node4), + {badrpc,nodedown} = rpc:call(N4, erlang, halt, [lists:duplicate(300,$x)]), % This test triggers a segfault when dumping a crash dump % to make sure that we can handle it properly. diff --git a/erts/emulator/test/distribution_SUITE.erl b/erts/emulator/test/distribution_SUITE.erl index d0096fb1bc..26780f6017 100644 --- a/erts/emulator/test/distribution_SUITE.erl +++ b/erts/emulator/test/distribution_SUITE.erl @@ -55,7 +55,8 @@ bad_dist_ext_receive/1, bad_dist_ext_process_info/1, bad_dist_ext_control/1, - bad_dist_ext_connection_id/1]). + bad_dist_ext_connection_id/1, + start_epmd_false/1, epmd_module/1]). %% Internal exports. -export([sender/3, receiver2/2, dummy_waiter/0, dead_process/0, @@ -64,6 +65,9 @@ dist_evil_parallel_receiver/0, sendersender/4, sendersender2/4]). +%% epmd_module exports +-export([start_link/0, register_node/2, port_please/2]). + suite() -> [{ct_hooks,[ts_install_cth]}, {timetrap, {minutes, 4}}]. @@ -76,7 +80,8 @@ all() -> {group, trap_bif}, {group, dist_auto_connect}, dist_parallel_send, atom_roundtrip, unicode_atom_roundtrip, atom_roundtrip_r15b, contended_atom_cache_entry, contended_unicode_atom_cache_entry, - bad_dist_structure, {group, bad_dist_ext}]. + bad_dist_structure, {group, bad_dist_ext}, + start_epmd_false, epmd_module]. groups() -> [{bulk_send, [], [bulk_send_small, bulk_send_big, bulk_send_bigbig]}, @@ -1881,6 +1886,66 @@ dmsg_ext(Term) -> dmsg_bad_atom_cache_ref() -> [$R, 137]. +start_epmd_false(Config) when is_list(Config) -> + %% Start a node with the option -start_epmd false. + {ok, OtherNode} = start_node(start_epmd_false, "-start_epmd false"), + %% We should be able to ping it, as epmd was started by us: + pong = net_adm:ping(OtherNode), + stop_node(OtherNode), + + ok. + +epmd_module(Config) when is_list(Config) -> + %% We need a relay node to test this, since the test node uses the + %% standard epmd module. + Sock1 = start_relay_node(epmd_module_node1, "-epmd_module " ++ ?MODULE_STRING), + Node1 = inet_rpc_nodename(Sock1), + %% Ask what port it's listening on - it won't have registered with + %% epmd. + {ok, {ok, Port1}} = do_inet_rpc(Sock1, application, get_env, [kernel, dist_listen_port]), + + %% Start a second node, passing the port number as a secret + %% argument. + Sock2 = start_relay_node(epmd_module_node2, "-epmd_module " ++ ?MODULE_STRING + ++ " -other_node_port " ++ integer_to_list(Port1)), + Node2 = inet_rpc_nodename(Sock2), + %% Node 1 can't ping node 2 + {ok, pang} = do_inet_rpc(Sock1, net_adm, ping, [Node2]), + {ok, []} = do_inet_rpc(Sock1, erlang, nodes, []), + {ok, []} = do_inet_rpc(Sock2, erlang, nodes, []), + %% But node 2 can ping node 1 + {ok, pong} = do_inet_rpc(Sock2, net_adm, ping, [Node1]), + {ok, [Node2]} = do_inet_rpc(Sock1, erlang, nodes, []), + {ok, [Node1]} = do_inet_rpc(Sock2, erlang, nodes, []), + + stop_relay_node(Sock2), + stop_relay_node(Sock1). + +%% epmd_module functions: + +start_link() -> + ignore. + +register_node(_Name, Port) -> + %% Save the port number we're listening on. + application:set_env(kernel, dist_listen_port, Port), + Creation = rand:uniform(3), + {ok, Creation}. + +port_please(_Name, _Ip) -> + case init:get_argument(other_node_port) of + error -> + %% None specified. Default to 42. + Port = 42, + Version = 5, + {port, Port, Version}; + {ok, [[PortS]]} -> + %% Port number given on command line. + Port = list_to_integer(PortS), + Version = 5, + {port, Port, Version} + end. + %%% Utilities timestamp() -> diff --git a/erts/emulator/test/message_queue_data_SUITE.erl b/erts/emulator/test/message_queue_data_SUITE.erl index 226462676c..44e77dfad0 100644 --- a/erts/emulator/test/message_queue_data_SUITE.erl +++ b/erts/emulator/test/message_queue_data_SUITE.erl @@ -52,18 +52,12 @@ basic(Config) when is_list(Config) -> ok = rpc:call(Node2, ?MODULE, basic_test, [on_heap]), stop_node(Node2), - {ok, Node3} = start_node(Config, "+hmqd mixed"), - ok = rpc:call(Node3, ?MODULE, basic_test, [mixed]), - stop_node(Node3), - ok. is_valid_mqd_value(off_heap) -> true; is_valid_mqd_value(on_heap) -> true; -is_valid_mqd_value(mixed) -> - true; is_valid_mqd_value(_) -> false. @@ -78,9 +72,6 @@ basic_test(Default) -> {message_queue_data, off_heap} = process_info(self(), message_queue_data), off_heap = process_flag(message_queue_data, on_heap), {message_queue_data, on_heap} = process_info(self(), message_queue_data), - on_heap = process_flag(message_queue_data, mixed), - {message_queue_data, mixed} = process_info(self(), message_queue_data), - mixed = process_flag(message_queue_data, Default), {'EXIT', _} = (catch process_flag(message_queue_data, blupp)), P1 = spawn_opt(fun () -> receive after infinity -> ok end end, @@ -101,12 +92,6 @@ basic_test(Default) -> unlink(P3), exit(P3, bye), - P4 = spawn_opt(fun () -> receive after infinity -> ok end end, - [link, {message_queue_data, mixed}]), - {message_queue_data, mixed} = process_info(P4, message_queue_data), - unlink(P4), - exit(P4, bye), - {'EXIT', _} = (catch spawn_opt(fun () -> receive after infinity -> ok end end, [link, {message_queue_data, blapp}])), @@ -116,21 +101,18 @@ process_info_messages(Config) when is_list(Config) -> Tester = self(), P1 = spawn_opt(fun () -> receive after 500 -> ok end, - mixed = process_flag(message_queue_data, off_heap), + on_heap = process_flag(message_queue_data, off_heap), Tester ! first, receive after 500 -> ok end, off_heap = process_flag(message_queue_data, on_heap), Tester ! second, receive after 500 -> ok end, - on_heap = process_flag(message_queue_data, mixed), + on_heap = process_flag(message_queue_data, off_heap), Tester ! third, - receive after 500 -> ok end, - mixed = process_flag(message_queue_data, off_heap), - Tester ! fourth, receive after infinity -> ok end end, - [link, {message_queue_data, mixed}]), + [link, {message_queue_data, on_heap}]), P1 ! "A", receive first -> ok end, @@ -139,25 +121,20 @@ process_info_messages(Config) when is_list(Config) -> P1 ! "C", receive third -> ok end, P1 ! "D", - receive fourth -> ok end, - P1 ! "E", - {messages, ["A", "B", "C", "D", "E"]} = process_info(P1, messages), + {messages, ["A", "B", "C", "D"]} = process_info(P1, messages), P2 = spawn_opt(fun () -> receive after 500 -> ok end, - mixed = process_flag(message_queue_data, off_heap), + on_heap = process_flag(message_queue_data, off_heap), Tester ! first, receive after 500 -> ok end, off_heap = process_flag(message_queue_data, on_heap), Tester ! second, receive after 500 -> ok end, - on_heap = process_flag(message_queue_data, mixed), + on_heap = process_flag(message_queue_data, off_heap), Tester ! third, receive after 500 -> ok end, - mixed = process_flag(message_queue_data, off_heap), - Tester ! fourth, - receive after 500 -> ok end, Tester ! process_info(self(), messages), @@ -165,11 +142,10 @@ process_info_messages(Config) when is_list(Config) -> receive M2 -> M2 = "B" end, receive M3 -> M3 = "C" end, receive M4 -> M4 = "D" end, - receive M5 -> M5 = "E" end, Tester ! self() end, - [link, {message_queue_data, mixed}]), + [link, {message_queue_data, on_heap}]), P2 ! "A", receive first -> ok end, @@ -178,12 +154,10 @@ process_info_messages(Config) when is_list(Config) -> P2 ! "C", receive third -> ok end, P2 ! "D", - receive fourth -> ok end, - P2 ! "E", receive Msg -> - {messages, ["A", "B", "C", "D", "E"]} = Msg + {messages, ["A", "B", "C", "D"]} = Msg end, receive P2 -> ok end, diff --git a/erts/emulator/test/tracer_SUITE.erl b/erts/emulator/test/tracer_SUITE.erl index 20fb7e475e..9eb55c9af3 100644 --- a/erts/emulator/test/tracer_SUITE.erl +++ b/erts/emulator/test/tracer_SUITE.erl @@ -28,9 +28,9 @@ init_per_group/2,end_per_group/2, init_per_testcase/2, end_per_testcase/2]). -export([load/1, unload/1, reload/1, invalid_tracers/1]). --export([send/1, recv/1, spawn/1, exit/1, link/1, unlink/1, - getting_linked/1, getting_unlinked/1, register/1, unregister/1, - in/1, out/1, gc_start/1, gc_end/1]). +-export([send/1, recv/1, call/1, call_return/1, spawn/1, exit/1, + link/1, unlink/1, getting_linked/1, getting_unlinked/1, + register/1, unregister/1, in/1, out/1, gc_start/1, gc_end/1]). suite() -> [{ct_hooks,[ts_install_cth]}, {timetrap, {minutes, 1}}]. @@ -39,9 +39,9 @@ all() -> [load, unload, reload, invalid_tracers, {group, basic}]. groups() -> - [{ basic, [], [send, recv, spawn, exit, link, unlink, getting_linked, - getting_unlinked, register, unregister, in, out, - gc_start, gc_end]}]. + [{ basic, [], [send, recv, call, call_return, spawn, exit, + link, unlink, getting_linked, getting_unlinked, + register, unregister, in, out, gc_start, gc_end]}]. init_per_suite(Config) -> erlang:trace_pattern({'_','_','_'}, false, [local]), @@ -223,8 +223,8 @@ send(_Config) -> Expect = fun(Pid, State, EOpts) -> receive Msg -> - {send, State, Pid, ok, Self, Opts} = Msg, - check_opts(EOpts, Opts) + {send, State, Pid, ok, Opts} = Msg, + check_opts(EOpts, Opts, Self) end end, test(send, Tc, Expect). @@ -239,13 +239,59 @@ recv(_Config) -> Expect = fun(Pid, State, EOpts) -> receive Msg -> - {'receive', State, Pid, ok, undefined, Opts} = Msg, + {'receive', State, Pid, ok, Opts} = Msg, check_opts(EOpts, Opts) end end, test('receive', Tc, Expect, false). +call(_Config) -> + + Self = self(), + Tc = fun(Pid) -> + Pid ! fun() -> call_test(Self), Self ! ok end, + receive ok -> ok after 100 -> ct:fail(timeout) end + end, + + erlang:trace_pattern({?MODULE, call_test, 1}, [], [local]), + + Expect = fun(Pid, State, EOpts) -> + receive + Msg -> + {call, State, Pid, {?MODULE, call_test, [Self]}, Opts} = Msg, + check_opts(EOpts, Opts) + end + end, + test(call, Tc, Expect). + +call_return(_Config) -> + + Self = self(), + Tc = fun(Pid) -> + Pid ! fun() -> call_test(undefined), Self ! ok end, + receive ok -> ok after 100 -> ct:fail(timeout) end + end, + + 1 = erlang:trace_pattern({?MODULE, call_test, 1}, [{'_',[],[{return_trace}]}], [local]), + + Expect = fun(Pid, State, EOpts) -> + receive + CallMsg -> + {call, State, Pid, {?MODULE, call_test, [undefined]}, COpts} = CallMsg, + check_opts(EOpts, COpts) + end, + receive + RetMsg -> + {return_from, State, Pid, {?MODULE, call_test, 1}, ROpts} = RetMsg, + check_opts(EOpts, ROpts, undefined) + end + end, + test(call, Tc, Expect). + +call_test(Arg) -> + Arg. + spawn(_Config) -> Tc = fun(Pid) -> @@ -256,9 +302,8 @@ spawn(_Config) -> fun(Pid, State, EOpts) -> receive Msg -> - {spawn, State, Pid, NewPid, - {lists,seq,[1,10]}, Opts} = Msg, - check_opts(EOpts, Opts), + {spawn, State, Pid, NewPid, Opts} = Msg, + check_opts(EOpts, Opts, {lists,seq,[1,10]}), true = is_pid(NewPid) andalso NewPid /= Pid end end, @@ -274,7 +319,7 @@ exit(_Config) -> fun(Pid, State, EOpts) -> receive Msg -> - {exit, State, Pid, normal, undefined, Opts} = Msg, + {exit, State, Pid, normal, Opts} = Msg, check_opts(EOpts, Opts) end end, @@ -295,7 +340,7 @@ link(_Config) -> fun(Pid, State, EOpts) -> receive Msg -> - {link, State, Pid, NewPid, undefined, Opts} = Msg, + {link, State, Pid, NewPid, Opts} = Msg, check_opts(EOpts, Opts), true = is_pid(NewPid) andalso NewPid /= Pid end @@ -318,7 +363,7 @@ unlink(_Config) -> fun(Pid, State, EOpts) -> receive Msg -> - {unlink, State, Pid, NewPid, undefined, Opts} = Msg, + {unlink, State, Pid, NewPid, Opts} = Msg, check_opts(EOpts, Opts), true = is_pid(NewPid) andalso NewPid /= Pid end @@ -340,7 +385,7 @@ getting_linked(_Config) -> fun(Pid, State, EOpts) -> receive Msg -> - {getting_linked, State, Pid, NewPid, undefined, Opts} = Msg, + {getting_linked, State, Pid, NewPid, Opts} = Msg, check_opts(EOpts, Opts), true = is_pid(NewPid) andalso NewPid /= Pid end @@ -364,7 +409,7 @@ getting_unlinked(_Config) -> fun(Pid, State, EOpts) -> receive Msg -> - {getting_unlinked, State, Pid, NewPid, undefined, Opts} = Msg, + {getting_unlinked, State, Pid, NewPid, Opts} = Msg, check_opts(EOpts, Opts), true = is_pid(NewPid) andalso NewPid /= Pid end @@ -386,7 +431,7 @@ register(_Config) -> fun(Pid, State, EOpts) -> receive Msg -> - {register, State, Pid, ?MODULE, undefined, Opts} = Msg, + {register, State, Pid, ?MODULE, Opts} = Msg, check_opts(EOpts, Opts) end end, @@ -407,7 +452,7 @@ unregister(_Config) -> fun(Pid, State, EOpts) -> receive Msg -> - {unregister, State, Pid, ?MODULE, undefined, Opts} = Msg, + {unregister, State, Pid, ?MODULE, Opts} = Msg, check_opts(EOpts, Opts) end end, @@ -427,8 +472,7 @@ in(_Config) -> N = (fun F(N) -> receive Msg -> - {in, State, Pid, _, - undefined, Opts} = Msg, + {in, State, Pid, _, Opts} = Msg, check_opts(EOpts, Opts), F(N+1) after 0 -> N @@ -452,8 +496,7 @@ out(_Config) -> N = (fun F(N) -> receive Msg -> - {out, State, Pid, _, - undefined, Opts} = Msg, + {out, State, Pid, _, Opts} = Msg, check_opts(EOpts, Opts), F(N+1) after 0 -> N @@ -477,7 +520,7 @@ gc_start(_Config) -> fun(Pid, State, EOpts) -> receive Msg -> - {gc_major_start, State, Pid, _, undefined, Opts} = Msg, + {gc_major_start, State, Pid, _, Opts} = Msg, check_opts(EOpts, Opts) end end, @@ -497,7 +540,7 @@ gc_end(_Config) -> fun(Pid, State, EOpts) -> receive Msg -> - {gc_major_end, State, Pid, _, undefined, Opts} = Msg, + {gc_major_end, State, Pid, _, Opts} = Msg, check_opts(EOpts, Opts) end end, @@ -513,9 +556,7 @@ test(Event, TraceFlag, Tc, Expect, Removes) -> test(Event, TraceFlag, Tc, Expect, _Removes, Dies) -> ComplexState = {fun() -> ok end, <<0:(128*8)>>}, - Opts = #{ timestamp => undefined, - scheduler_id => undefined, - match_spec_result => true }, + Opts = #{ }, %% Test that trace works State1 = {#{ Event => trace }, self(), ComplexState}, @@ -540,8 +581,8 @@ test(Event, TraceFlag, Tc, Expect, _Removes, Dies) -> Tc(Pid1T), ok = trace_delivered(Pid1T), - Expect(Pid1T, State1, Opts#{ scheduler_id := number, - timestamp := timestamp}), + Expect(Pid1T, State1, Opts#{ scheduler_id => number, + timestamp => timestamp}), receive M11T -> ct:fail({unexpected, M11T}) after 0 -> ok end, if not Dies -> {flags, [scheduler_id, TraceFlag, timestamp]} @@ -568,6 +609,8 @@ test(Event, TraceFlag, Tc, Expect, _Removes, Dies) -> ok. +check_opts(E, O, Extra) -> + check_opts(E#{ extra => Extra }, O). check_opts(#{ scheduler_id := number } = E, #{ scheduler_id := N } = O) when is_integer(N) -> E1 = maps:remove(scheduler_id, E), diff --git a/erts/emulator/test/tracer_SUITE_data/tracer_test.c b/erts/emulator/test/tracer_SUITE_data/tracer_test.c index 908f35da9c..a26bb33600 100644 --- a/erts/emulator/test/tracer_SUITE_data/tracer_test.c +++ b/erts/emulator/test/tracer_SUITE_data/tracer_test.c @@ -36,7 +36,7 @@ static ERL_NIF_TERM trace(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); static ErlNifFunc nif_funcs[] = { {"enabled", 3, enabled}, - {"trace", 6, trace} + {"trace", 5, trace} }; ERL_NIF_INIT(tracer_test, nif_funcs, load, NULL, upgrade, unload) @@ -100,7 +100,7 @@ static ERL_NIF_TERM trace(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) ErlNifPid self, to; ERL_NIF_TERM *tuple, msg; const ERL_NIF_TERM *state_tuple; - ASSERT(argc == 6); + ASSERT(argc == 5); enif_get_tuple(env, argv[1], &state_arity, &state_tuple); diff --git a/erts/emulator/test/tracer_test.erl b/erts/emulator/test/tracer_test.erl index d4778f4531..1da80bfe31 100644 --- a/erts/emulator/test/tracer_test.erl +++ b/erts/emulator/test/tracer_test.erl @@ -24,14 +24,14 @@ %%% Test tracer %%% --export([enabled/3, trace/6]). +-export([enabled/3, trace/5]). -export([load/1, load/2]). -on_load(load/0). enabled(_, _, _) -> erlang:nif_error(nif_not_loaded). -trace(_, _, _, _, _, _) -> +trace(_, _, _, _, _) -> erlang:nif_error(nif_not_loaded). load() -> diff --git a/erts/etc/common/erlexec.c b/erts/etc/common/erlexec.c index 42da05b1f7..2b2e0e480a 100644 --- a/erts/etc/common/erlexec.c +++ b/erts/etc/common/erlexec.c @@ -195,6 +195,7 @@ static char *plusz_val_switches[] = { #endif void usage(const char *switchname); +static void usage_format(char *format, ...); void start_epmd(char *epmd); void error(char* format, ...); @@ -795,6 +796,24 @@ int main(int argc, char **argv) get_start_erl_data((char *) NULL); } #endif + else if (strcmp(argv[i], "-start_epmd") == 0) { + if (i+1 >= argc) + usage("-start_epmd"); + + if (strcmp(argv[i+1], "true") == 0) { + /* The default */ + no_epmd = 0; + } + else if (strcmp(argv[i+1], "false") == 0) { + no_epmd = 1; + } + else + usage_format("Expected boolean argument for \'-start_epmd\'.\n"); + + add_arg(argv[i]); + add_arg(argv[i+1]); + i++; + } else add_arg(argv[i]); @@ -1173,7 +1192,7 @@ usage_aux(void) "]" #endif "] " - "[-make] [-man [manopts] MANPAGE] [-x] [-emu_args] " + "[-make] [-man [manopts] MANPAGE] [-x] [-emu_args] [-start_epmd BOOLEAN] " "[-args_file FILENAME] [+A THREADS] [+a SIZE] [+B[c|d|i]] [+c [BOOLEAN]] " "[+C MODE] [+h HEAP_SIZE_OPTION] [+K BOOLEAN] " "[+l] [+M<SUBSWITCH> <ARGUMENT>] [+P MAX_PROCS] [+Q MAX_PORTS] " diff --git a/erts/preloaded/ebin/erl_tracer.beam b/erts/preloaded/ebin/erl_tracer.beam Binary files differindex 69804540c9..22286ed221 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 8379bf1768..cde8c9ab72 100644 --- a/erts/preloaded/ebin/erlang.beam +++ b/erts/preloaded/ebin/erlang.beam diff --git a/erts/preloaded/ebin/init.beam b/erts/preloaded/ebin/init.beam Binary files differindex 7b5797e90a..6fc95b914e 100644 --- a/erts/preloaded/ebin/init.beam +++ b/erts/preloaded/ebin/init.beam diff --git a/erts/preloaded/src/erl_tracer.erl b/erts/preloaded/src/erl_tracer.erl index fe15812535..c810069d17 100644 --- a/erts/preloaded/src/erl_tracer.erl +++ b/erts/preloaded/src/erl_tracer.erl @@ -1,6 +1,6 @@ -module(erl_tracer). --export([enabled/3, trace/6, on_load/0]). +-export([enabled/3, trace/5, on_load/0]). -type tracee() :: port() | pid() | undefined. @@ -26,9 +26,9 @@ | trace_tag_running_ports() | trace_tag_gc(). --type trace_opts() :: #{ match_spec_result => true | term(), - scheduler_id => undefined | non_neg_integer(), - timestamp => undefined | timestamp | cpu_timestamp | +-type trace_opts() :: #{ extra => term(), match_spec_result => term(), + scheduler_id => non_neg_integer(), + timestamp => timestamp | cpu_timestamp | monotonic | strict_monotonic }. -type tracer_state() :: term(). @@ -41,6 +41,9 @@ on_load() -> %%% NIF placeholders %%% +%% This suppression is needed as trace_tag gets collapsed to atom() +-dialyzer({no_contracts, enabled/3}). + -spec enabled(Tag :: trace_status, TracerState :: tracer_state(), Tracee :: tracee()) -> @@ -56,8 +59,7 @@ enabled(_, _, _) -> TracerState :: tracer_state(), Tracee :: tracee(), Msg :: term(), - Extra :: term(), Opts :: trace_opts()) -> any(). -trace(_, _, _, _, _, _) -> +trace(_, _, _, _, _) -> erlang:nif_error(nif_not_loaded). diff --git a/erts/preloaded/src/erlang.erl b/erts/preloaded/src/erlang.erl index 3d152c4e92..5283519c0a 100644 --- a/erts/preloaded/src/erlang.erl +++ b/erts/preloaded/src/erlang.erl @@ -977,17 +977,15 @@ group_leader(_GroupLeader, _Pid) -> erlang:nif_error(undefined). %% halt/0 -%% Shadowed by erl_bif_types: erlang:halt/0 -spec halt() -> no_return(). halt() -> - erlang:nif_error(undefined). + erlang:halt(0, []). %% halt/1 -%% Shadowed by erl_bif_types: erlang:halt/1 -spec halt(Status) -> no_return() when Status :: non_neg_integer() | 'abort' | string(). -halt(_Status) -> - erlang:nif_error(undefined). +halt(Status) -> + erlang:halt(Status, []). %% halt/2 %% Shadowed by erl_bif_types: erlang:halt/2 @@ -2059,7 +2057,7 @@ open_port(PortName, PortSettings) -> low | normal | high | max. -type message_queue_data() :: - off_heap | on_heap | mixed. + off_heap | on_heap. -spec process_flag(trap_exit, Boolean) -> OldBoolean when Boolean :: boolean(), diff --git a/erts/preloaded/src/init.erl b/erts/preloaded/src/init.erl index 618b53f6bb..45468b3b9c 100644 --- a/erts/preloaded/src/init.erl +++ b/erts/preloaded/src/init.erl @@ -90,6 +90,7 @@ -define(ON_LOAD_HANDLER, init__boot__on_load_handler). + debug(false, _) -> ok; debug(_, T) -> erlang:display(T). @@ -173,7 +174,25 @@ stop() -> init ! {stop,stop}, ok. -spec stop(Status) -> 'ok' when Status :: non_neg_integer() | string(). -stop(Status) -> init ! {stop,{stop,Status}}, ok. +stop(Status) when is_integer(Status), Status >= 0 -> + stop_1(Status); +stop(Status) when is_list(Status) -> + case is_bytelist(Status) of + true -> + stop_1(Status); + false -> + erlang:error(badarg) + end; +stop(_) -> + erlang:error(badarg). + +is_bytelist([B|Bs]) when is_integer(B), B >= 0, B < 256 -> is_bytelist(Bs); +is_bytelist([]) -> true; +is_bytelist(_) -> false. + +%% Note that we check the type of Status beforehand to ensure that +%% the call to halt(Status) by the init process cannot fail +stop_1(Status) -> init ! {stop,{stop,Status}}, ok. -spec boot(BootArgs) -> no_return() when BootArgs :: [binary()]. @@ -285,21 +304,13 @@ things_to_string([]) -> "". halt_string(String, List) -> - HaltString = String ++ things_to_string(List), - if - length(HaltString)<199 -> HaltString; - true -> first198(HaltString, 198) - end. - -first198([H|T], N) when N>0 -> - [H|first198(T, N-1)]; -first198(_, 0) -> - []. + String ++ things_to_string(List). %% String = string() %% List = [string() | atom() | pid() | number()] %% Any other items in List, such as tuples, are ignored when creating %% the string used as argument to erlang:halt/1. +-spec crash(_, _) -> no_return(). crash(String, List) -> halt(halt_string(String, List)). |