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| author | Sverker Eriksson <[email protected]> | 2017-08-30 21:00:35 +0200 |
|---|---|---|
| committer | Sverker Eriksson <[email protected]> | 2017-08-30 21:00:35 +0200 |
| commit | 44a83c8860bbd00878c720a7b9d940b4630bab8a (patch) | |
| tree | 101b3c52ec505a94f56c8f70e078ecb8a2e8c6cd /lib/kernel | |
| parent | 7c67bbddb53c364086f66260701bc54a61c9659c (diff) | |
| parent | 040bdce67f88d833bfb59adae130a4ffb4c180f0 (diff) | |
| download | otp-44a83c8860bbd00878c720a7b9d940b4630bab8a.tar.gz otp-44a83c8860bbd00878c720a7b9d940b4630bab8a.tar.bz2 otp-44a83c8860bbd00878c720a7b9d940b4630bab8a.zip | |
Merge tag 'OTP-20.0' into sverker/20/binary_to_atom-utf8-crash/ERL-474/OTP-14590
Diffstat (limited to 'lib/kernel')
92 files changed, 3996 insertions, 1291 deletions
diff --git a/lib/kernel/doc/src/app.xml b/lib/kernel/doc/src/app.xml index 5e0da409a3..d2e9390d7e 100644 --- a/lib/kernel/doc/src/app.xml +++ b/lib/kernel/doc/src/app.xml @@ -151,7 +151,7 @@ ApplicationVersion = string()</code> application is allowed to be started. <c>systools</c> uses this list to generate correct start scripts. Defaults to the empty list, but notice that all applications have - dependencies to (at least) <c>Kernel</c> and <c>STDLIB</c>.</p> + dependencies to (at least) Kernel and STDLIB.</p> </item> <tag><c>env</c></tag> <item> @@ -171,7 +171,7 @@ ApplicationVersion = string()</code> implemented as a supervision tree, otherwise the application controller does not know how to start it. <c>mod</c> can be omitted for applications without processes, typically - code libraries, for example, <c>STDLIB</c>.</p> + code libraries, for example, STDLIB.</p> </item> <tag><c>start_phases</c></tag> <item> @@ -236,7 +236,7 @@ ApplicationVersion = string()</code> <section> <title>See Also</title> <p><seealso marker="application"><c>application(3)</c></seealso>, - <seealso marker="sasl:systools"><c>sasl:systools(3)</c></seealso></p> + <seealso marker="sasl:systools"><c>systools(3)</c></seealso></p> </section> </fileref> diff --git a/lib/kernel/doc/src/application.xml b/lib/kernel/doc/src/application.xml index 8d33aa86e7..886286b76d 100644 --- a/lib/kernel/doc/src/application.xml +++ b/lib/kernel/doc/src/application.xml @@ -200,7 +200,7 @@ <seealso marker="app"><c>app(4)</c></seealso>.</p> <p>If <c><anno>Distributed</anno> == {<anno>Application</anno>,[<anno>Time</anno>,]<anno>Nodes</anno>}</c>, the application becomes distributed. The argument overrides - the value for the application in the <c>Kernel</c> configuration + the value for the application in the Kernel configuration parameter <c>distributed</c>. <c><anno>Application</anno></c> must be the application name (same as in the first argument). If a node crashes and <c><anno>Time</anno></c> is specified, @@ -221,7 +221,7 @@ Nodes = [cp1@cave, {cp2@cave, cp3@cave}]</code> the application is to be started at <c>cp2@cave</c> or <c>cp3@cave</c>.</p> <p>If <c>Distributed == default</c>, the value for - the application in the <c>Kernel</c> configuration parameter + the application in the Kernel configuration parameter <c>distributed</c> is used.</p> </desc> </func> @@ -267,7 +267,7 @@ Nodes = [cp1@cave, {cp2@cave, cp3@cave}]</code> started, <c>Application</c> is started as well.</p> <p>By default, all applications are loaded with permission <c>true</c> on all nodes. The permission can be configured - using the <c>Kernel</c> configuration parameter <c>permissions</c>.</p> + using the Kernel configuration parameter <c>permissions</c>.</p> </desc> </func> <func> diff --git a/lib/kernel/doc/src/auth.xml b/lib/kernel/doc/src/auth.xml index 03f983b96d..5901446960 100644 --- a/lib/kernel/doc/src/auth.xml +++ b/lib/kernel/doc/src/auth.xml @@ -47,7 +47,7 @@ <desc> <p>Use <seealso marker="erts:erlang#erlang:get_cookie/0"><c>erlang:get_cookie()</c></seealso> - in <c>ERTS</c> instead.</p> + in ERTS instead.</p> </desc> </func> <func> @@ -59,7 +59,7 @@ <desc> <p>Use <seealso marker="erts:erlang#erlang:set_cookie/2"><c>erlang:set_cookie(node(), <anno>Cookie</anno>)</c> - in <c>ERTS</c></seealso> instead.</p> + in ERTS</seealso> instead.</p> </desc> </func> <func> diff --git a/lib/kernel/doc/src/code.xml b/lib/kernel/doc/src/code.xml index d3611d6a03..c94f612c01 100644 --- a/lib/kernel/doc/src/code.xml +++ b/lib/kernel/doc/src/code.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>1996</year><year>2016</year> + <year>1996</year><year>2017</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -86,11 +86,11 @@ an <c>ebin</c> directory are ignored.</p> <p>All application directories found in the additional directories appears before the standard OTP applications, except for the - <c>Kernel</c> and <c>STDLIB</c> applications, which are placed before + Kernel and STDLIB applications, which are placed before any additional applications. In other words, modules found in any of the additional library directories override modules with - the same name in OTP, except for modules in <c>Kernel</c> and - <c>STDLIB</c>.</p> + the same name in OTP, except for modules in Kernel and + STDLIB.</p> <p>Environment variable <c>ERL_LIBS</c> (if defined) is to contain a colon-separated (for Unix-like systems) or semicolon-separated (for Windows) list of additional libraries.</p> @@ -151,7 +151,7 @@ zip:create("mnesia-4.4.7.ez", <c>$OTPROOT/lib/mnesia.ez/mnesia/ebin</c> or <c>$OTPROOT/lib/mnesia-4.4.7.ez/mnesia-4.4.7/ebin</c>.</p> - <p>The code server uses module <c>erl_prim_loader</c> in <c>ERTS</c> + <p>The code server uses module <c>erl_prim_loader</c> in ERTS (possibly through <c>erl_boot_server</c>) to read code files from archives. However, the functions in <c>erl_prim_loader</c> can also be used by other applications to read files from archives. For @@ -258,7 +258,7 @@ zip:create("mnesia-4.4.7.ez", both strings and atoms, but a future release will probably only allow the arguments that are documented.</p> - <p>As from Erlang/OTP R12B, functions in this module generally fail with an + <p>Functions in this module generally fail with an exception if they are passed an incorrect type (for example, an integer or a tuple where an atom is expected). An error tuple is returned if the argument type is correct, but there are some other errors (for example, a non-existing directory @@ -382,9 +382,14 @@ zip:create("mnesia-4.4.7.ez", <name name="add_pathsa" arity="1"/> <fsummary>Add directories to the beginning of the code path.</fsummary> <desc> - <p>Adds the directories in <c><anno>Dirs</anno></c> to the beginning of - the code path. If a <c><anno>Dir</anno></c> exists, it is removed - from the old position in the code path.</p> + <p>Traverses <c><anno>Dirs</anno></c> and adds + each <c><anno>Dir</anno></c> to the beginning of the code + path. This means that the order of <c><anno>Dirs</anno></c> + is reversed in the resulting code path. For example, if you + add <c>[Dir1,Dir2]</c>, the resulting path will + be <c>[Dir2,Dir1|OldCodePath]</c>.</p> + <p>If a <c><anno>Dir</anno></c> already exists in the code + path, it is removed from the old position.</p> <p>Always returns <c>ok</c>, regardless of the validity of each individual <c><anno>Dir</anno></c>.</p> </desc> @@ -651,6 +656,11 @@ ok = code:finish_loading(Prepared), <p>Purges the code for <c><anno>Module</anno></c>, that is, removes code marked as old. If some processes still linger in the old code, these processes are killed before the code is removed.</p> + <note><p>As of ERTS version 9.0, a process is only considered + to be lingering in the code if it has direct references to the code. + For more information see documentation of + <seealso marker="erts:erlang#check_process_code/3"><c>erlang:check_process_code/3</c></seealso>, + which is used in order to determine this.</p></note> <p>Returns <c>true</c> if successful and any process is needed to be killed, otherwise <c>false</c>.</p> </desc> @@ -661,6 +671,11 @@ ok = code:finish_loading(Prepared), <desc> <p>Purges the code for <c><anno>Module</anno></c>, that is, removes code marked as old, but only if no processes linger in it.</p> + <note><p>As of ERTS version 9.0, a process is only considered + to be lingering in the code if it has direct references to the code. + For more information see documentation of + <seealso marker="erts:erlang#check_process_code/3"><c>erlang:check_process_code/3</c></seealso>, + which is used in order to determine this.</p></note> <p>Returns <c>false</c> if the module cannot be purged because of processes lingering in old code, otherwise <c>true</c>.</p> </desc> @@ -678,9 +693,9 @@ ok = code:finish_loading(Prepared), <p>Normally, <c><anno>Loaded</anno></c> is the absolute filename <c>Filename</c> from which the code is obtained. If the module is preloaded (see - <seealso marker="sasl:script"><c>sasl:script(4)</c></seealso>), + <seealso marker="sasl:script"><c>script(4)</c></seealso>), <c>Loaded==preloaded</c>. If the module is Cover-compiled (see - <seealso marker="tools:cover"><c>tools:cover(3)</c></seealso>), + <seealso marker="tools:cover"><c>cover(3)</c></seealso>), <c>Loaded==cover_compiled</c>.</p> </desc> </func> @@ -884,6 +899,48 @@ rpc:call(Node, code, load_binary, [Module, Filename, Binary]), </desc> </func> <func> + <name name="module_status" arity="1"/> + <fsummary>Return the status of the module in relation to object file on disk.</fsummary> + <desc> + <p>Returns:</p> + <taglist> + <tag><c>not_loaded</c></tag> + <item><p>If <c><anno>Module</anno></c> is not currently loaded.</p></item> + <tag><c>loaded</c></tag> + <item><p>If <c><anno>Module</anno></c> is loaded and the object file + exists and contains the same code.</p></item> + <tag><c>removed</c></tag> + <item><p>If <c><anno>Module</anno></c> is loaded but no + corresponding object file can be found in the code path.</p></item> + <tag><c>modified</c></tag> + <item><p>If <c><anno>Module</anno></c> is loaded but the object file + contains code with a different MD5 checksum.</p></item> + </taglist> + <p>Preloaded modules are always reported as <c>loaded</c>, without + inspecting the contents on disk. Cover compiled modules will always + be reported as <c>modified</c> if an object file exists, or as + <c>removed</c> otherwise. Modules whose load path is an empty string + (which is the convention for auto-generated code) will only be + reported as <c>loaded</c> or <c>not_loaded</c>.</p> + <p>For modules that have native code loaded (see + <seealso marker="#is_module_native/1"><c>is_module_native/1</c></seealso>), + the MD5 sum of the native code in the object file is used for the + comparison, if it exists; the Beam code in the file is ignored. + Reversely, for modules that do not currently have native code + loaded, any native code in the file will be ignored.</p> + <p>See also <seealso marker="#modified_modules/0"><c>modified_modules/0</c></seealso>.</p> + </desc> + </func> + <func> + <name name="modified_modules" arity="0"/> + <fsummary>Return a list of all modules modified on disk.</fsummary> + <desc> + <p>Returns the list of all currently loaded modules for which + <seealso marker="#module_status/1"><c>module_status/1</c></seealso> + returns <c>modified</c>. See also <seealso marker="#all_loaded/0"><c>all_loaded/0</c></seealso>.</p> + </desc> + </func> + <func> <name name="is_module_native" arity="1"/> <fsummary>Test if a module has native code.</fsummary> <desc> diff --git a/lib/kernel/doc/src/config.xml b/lib/kernel/doc/src/config.xml index c5f37fd036..fdb2d29f63 100644 --- a/lib/kernel/doc/src/config.xml +++ b/lib/kernel/doc/src/config.xml @@ -4,7 +4,7 @@ <fileref> <header> <copyright> - <year>1997</year><year>2016</year> + <year>1997</year><year>2017</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -77,8 +77,8 @@ to update the application configurations.</p> <p>This means that specifying another <c>.config</c> file, or more <c>.config</c> files, leads to inconsistent update of application - configurations. Therefore, in Erlang 5.4/OTP R10B, the syntax of - <c>sys.config</c> was extended to allow pointing out other + configurations. There is, however, a syntax for + <c>sys.config</c> that allows pointing out other <c>.config</c> files:</p> <code type="none"> [{Application, [{Par, Val}]} | File].</code> diff --git a/lib/kernel/doc/src/disk_log.xml b/lib/kernel/doc/src/disk_log.xml index 0b6ee1e6a5..1be28adfb8 100644 --- a/lib/kernel/doc/src/disk_log.xml +++ b/lib/kernel/doc/src/disk_log.xml @@ -5,7 +5,7 @@ <header> <copyright> <year>1997</year> - <year>2016</year> + <year>2017</year> <holder>Ericsson AB, All Rights Reserved</holder> </copyright> <legalnotice> @@ -43,7 +43,7 @@ <taglist> <tag>halt logs</tag> <item><p>Appends items to a single file, which size can - be limited by the disk log module.</p></item> + be limited by the <c>disk_log</c> module.</p></item> <tag>wrap logs</tag> <item><p>Uses a sequence of wrap log files of limited size. As a wrap log file is filled up, further items are logged on to the next @@ -62,8 +62,8 @@ An item logged to an internally formatted log must not occupy more than 4 GB of disk space (the size must fit in 4 bytes).</p></item> <tag>external format</tag> - <item><p>Leaves it up to the user to read the logged deep byte lists. - The disk log module cannot repair externally formatted logs.</p></item> + <item><p>Leaves it up to the user to read and interpret the logged data. + The <c>disk_log</c> module cannot repair externally formatted logs.</p></item> </taglist> <p>For each open disk log, one process handles requests @@ -109,8 +109,7 @@ These functions log one or more Erlang terms. By prefixing each of the functions with a <c>b</c> (for "binary"), we get the corresponding <c>blog()</c> functions for the external format. - These functions log one or more deep lists of bytes or, alternatively, - binaries of deep lists of bytes. + These functions log one or more chunks of bytes. For example, to log the string <c>"hello"</c> in ASCII format, you can use <c>disk_log:blog(Log, "hello")</c>, or <c>disk_log:blog(Log, list_to_binary("hello"))</c>. The two @@ -219,9 +218,6 @@ <name name="dlog_head_opt"/> </datatype> <datatype> - <name name="dlog_byte"/> - </datatype> - <datatype> <name name="dlog_mode"/> </datatype> <datatype> @@ -234,9 +230,6 @@ </desc> </datatype> <datatype> - <name name="bytes"/> - </datatype> - <datatype> <name name="invalid_header"/> </datatype> <datatype> @@ -953,7 +946,7 @@ written first on the log file. If the log is a wrap log, the item <c><anno>Head</anno></c> is written first in each new file. <c><anno>Head</anno></c> is to be a term if the format is - <c>internal</c>, otherwise a deep list of bytes (or a binary). + <c>internal</c>, otherwise a sequence of bytes. Defaults to <c>none</c>, which means that no header is written first on the file. </p> @@ -965,7 +958,7 @@ The call <c>M:F(A)</c> is assumed to return <c>{ok, Head}</c>. The item <c>Head</c> is written first in each file. <c>Head</c> is to be a term if the format is - <c>internal</c>, otherwise a deep list of bytes (or a binary). + <c>internal</c>, otherwise a sequence of bytes. </p> </item> <tag><c>{mode, <anno>Mode</anno>}</c></tag> @@ -975,6 +968,12 @@ <c>read_write</c>. </p> </item> + <tag><c>{quiet, Boolean}</c></tag> + <item> + <p>Specifies if messages will be sent to + <c>error_logger</c> on recoverable errors with + the log files. Defaults to <c>true</c>.</p> + </item> </taglist> <p><c>open/1</c> returns <c>{ok, <anno>Log</anno>}</c> if the log file is successfully opened. If the file is diff --git a/lib/kernel/doc/src/erl_boot_server.xml b/lib/kernel/doc/src/erl_boot_server.xml index 897365f9b9..4109251387 100644 --- a/lib/kernel/doc/src/erl_boot_server.xml +++ b/lib/kernel/doc/src/erl_boot_server.xml @@ -38,13 +38,13 @@ command-line flag <c>-loader inet</c>. All hosts specified with command-line flag <c>-hosts Host</c> must have one instance of this server running.</p> - <p>This server can be started with the <c>Kernel</c> configuration + <p>This server can be started with the Kernel configuration parameter <c>start_boot_server</c>.</p> <p>The <c>erl_boot_server</c> can read regular files and files in archives. See <seealso marker="code"><c>code(3)</c></seealso> and <seealso marker="erts:erl_prim_loader"><c>erl_prim_loader(3)</c></seealso> - in <c>ERTS</c>.</p> + in ERTS.</p> <warning><p>The support for loading code from archive files is experimental. It is released before it is ready to obtain early feedback. The file format, semantics, diff --git a/lib/kernel/doc/src/erl_ddll.xml b/lib/kernel/doc/src/erl_ddll.xml index a5ce58ef3e..75114e015c 100644 --- a/lib/kernel/doc/src/erl_ddll.xml +++ b/lib/kernel/doc/src/erl_ddll.xml @@ -201,7 +201,7 @@ <desc> <p>Removes a driver monitor in much the same way as <seealso marker="erts:erlang#erlang:demonitor/1"><c>erlang:demonitor/1</c></seealso> - in <c>ERTS</c> + in ERTS does with process monitors. For details about how to create driver monitors, see <seealso marker="#monitor/2"><c>monitor/2</c></seealso>, @@ -431,7 +431,7 @@ <p>Creates a driver monitor and works in many ways as <seealso marker="erts:erlang#erlang:monitor/2"><c>erlang:monitor/2</c></seealso> - in <c>ERTS</c>, + in ERTS, does for processes. When a driver changes state, the monitor results in a monitor message that is sent to the calling process. <c><anno>MonitorRef</anno></c> returned by this function is @@ -745,7 +745,7 @@ <p>This parameter is the name of the driver to be used in subsequent calls to function <seealso marker="erts:erlang#open_port/2"><c>erlang:open_port</c></seealso> - in <c>ERTS</c>. + in ERTS. The name can be specified as an <c>iolist()</c> or an <c>atom()</c>. The name specified when loading is used to find the object file (with the help of <c><anno>Path</anno></c> diff --git a/lib/kernel/doc/src/error_logger.xml b/lib/kernel/doc/src/error_logger.xml index a8273e59e2..91bf57cb91 100644 --- a/lib/kernel/doc/src/error_logger.xml +++ b/lib/kernel/doc/src/error_logger.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>1996</year><year>2016</year> + <year>1996</year><year>2017</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -33,7 +33,7 @@ <description> <p>The Erlang <em>error logger</em> is an event manager (see <seealso marker="doc/design_principles:des_princ">OTP Design Principles</seealso> and - <seealso marker="stdlib:gen_event"><c>stdlib:gen_event(3)</c></seealso>), + <seealso marker="stdlib:gen_event"><c>gen_event(3)</c></seealso>), registered as <c>error_logger</c>. Errors, warnings, and info events are sent to the error logger from the Erlang runtime system and the different Erlang/OTP applications. The events are, by default, @@ -44,12 +44,12 @@ executing.</p> <p>Initially, <c>error_logger</c> has only a primitive event handler, which buffers and prints the raw event messages. During - system startup, the <c>Kernel</c> application replaces this with a + system startup, the Kernel application replaces this with a <em>standard event handler</em>, by default one that writes - nicely formatted output to the terminal. <c>Kernel</c> can also be + nicely formatted output to the terminal. Kernel can also be configured so that events are logged to a file instead, or not logged at all, see <seealso marker="kernel_app"><c>kernel(6)</c></seealso>.</p> - <p>Also the <c>SASL</c> application, if started, adds its own event + <p>Also the SASL application, if started, adds its own event handler, which by default writes supervisor, crash, and progress reports to the terminal. See <seealso marker="sasl:sasl_app"><c>sasl(6)</c></seealso>.</p> @@ -58,9 +58,9 @@ User-defined event handlers can be added to handle application-specific events, see <seealso marker="#add_report_handler/1"><c>add_report_handler/1,2</c></seealso>. - Also, a useful event handler is provided in <c>STDLIB</c> for multi-file + Also, a useful event handler is provided in STDLIB for multi-file logging of events, see - <seealso marker="stdlib:log_mf_h"><c>stdlib:log_mf_h(3)</c></seealso>.</p> + <seealso marker="stdlib:log_mf_h"><c>log_mf_h(3)</c></seealso>.</p> <p>Warning events were introduced in Erlang/OTP R9C and are enabled by default as from Erlang/OTP 18.0. To retain backwards compatibility with existing user-defined event handlers, the warning events can be @@ -82,7 +82,7 @@ <p>Adds a new event handler to the error logger. The event handler must be implemented as a <c>gen_event</c> callback module, see - <seealso marker="stdlib:gen_event"><c>stdlib:gen_event(3)</c></seealso>.</p> + <seealso marker="stdlib:gen_event"><c>gen_event(3)</c></seealso>.</p> <p><c><anno>Handler</anno></c> is typically the name of the callback module and <c><anno>Args</anno></c> is an optional term (defaults to []) passed to the initialization callback function <c><anno>Handler</anno>:init/1</c>. @@ -97,7 +97,7 @@ <desc> <p>Deletes an event handler from the error logger by calling <c>gen_event:delete_handler(error_logger, <anno>Handler</anno>, [])</c>, - see <seealso marker="stdlib:gen_event"><c>stdlib:gen_event(3)</c></seealso>.</p> + see <seealso marker="stdlib:gen_event"><c>gen_event(3)</c></seealso>.</p> </desc> </func> <func> @@ -110,7 +110,7 @@ The <c><anno>Format</anno></c> and <c><anno>Data</anno></c> arguments are the same as the arguments of <seealso marker="stdlib:io#format/2"><c>io:format/2</c></seealso> - in <c>STDLIB</c>. + in STDLIB. The event is handled by the standard event handler.</p> <p><em>Example:</em></p> <pre> @@ -126,6 +126,12 @@ ok</pre> <seealso marker="#error_report/1"><c>error_report/1</c></seealso> instead.</p> </warning> + <warning> + <p>If the Unicode translation modifier (<c>t</c>) is used in + the format string, all error handlers must ensure that the + formatted output is correctly encoded for the I/O + device.</p> + </warning> </desc> </func> <func> @@ -163,6 +169,19 @@ ok</pre> </desc> </func> <func> + <name name="get_format_depth" arity="0"/> + <fsummary>Get the value of the Kernel application variable + <c>error_logger_format_depth</c>.</fsummary> + <desc> + <p>Returns <c>max(10, Depth)</c>, where <c>Depth</c> is the + value of + <seealso marker="kernel:kernel_app#error_logger_format_depth"> + error_logger_format_depth</seealso> + in the Kernel application, if Depth is an integer. Otherwise, + <c>unlimited</c> is returned.</p> + </desc> + </func> + <func> <name name="info_msg" arity="1"/> <name name="info_msg" arity="2"/> <fsummary>Send a standard information event to the error logger.</fsummary> @@ -171,7 +190,7 @@ ok</pre> The <c><anno>Format</anno></c> and <c><anno>Data</anno></c> arguments are the same as the arguments of <seealso marker="stdlib:io#format/2"><c>io:format/2</c></seealso> - in <c>STDLIB</c>. The event is handled by the standard event handler.</p> + in STDLIB. The event is handled by the standard event handler.</p> <p><em>Example:</em></p> <pre> 1> <input>error_logger:info_msg("Something happened in ~p~n", [a_module]).</input> @@ -184,6 +203,12 @@ ok</pre> the standard event handler, meaning no further events are logged. When in doubt, use <c>info_report/1</c> instead.</p> </warning> + <warning> + <p>If the Unicode translation modifier (<c>t</c>) is used in + the format string, all error handlers must ensure that the + formatted output is correctly encoded for the I/O + device.</p> + </warning> </desc> </func> <func> @@ -235,7 +260,7 @@ ok</pre> <p>Enables or disables printout of standard events to a file.</p> <p>This is done by adding or deleting the standard event handler for output to file. Thus, calling this function overrides - the value of the <c>Kernel</c> <c>error_logger</c> configuration + the value of the Kernel <c>error_logger</c> configuration parameter.</p> <p>Enabling file logging can be used together with calling <c>tty(false)</c>, to have a silent system where @@ -249,7 +274,7 @@ ok</pre> successful, or <c>{error, allready_have_logfile}</c> if logging to file is already enabled, or an error tuple if another error occurred (for example, if <c><anno>Filename</anno></c> - cannot be opened).</p> + cannot be opened). The file is opened with encoding UTF-8.</p> </item> <tag><c>close</c></tag> <item> @@ -274,7 +299,7 @@ ok</pre> to the terminal.</p> <p>This is done by adding or deleting the standard event handler for output to the terminal. Thus, calling this function overrides - the value of the <c>Kernel</c> <c>error_logger</c> configuration parameter.</p> + the value of the Kernel <c>error_logger</c> configuration parameter.</p> </desc> </func> <func> @@ -323,7 +348,7 @@ ok</pre> The <c><anno>Format</anno></c> and <c><anno>Data</anno></c> arguments are the same as the arguments of <seealso marker="stdlib:io#format/2"><c>io:format/2</c></seealso> - in <c>STDLIB</c>. + in STDLIB. The event is handled by the standard event handler. It is tagged as an error, warning, or info, see <seealso marker="#warning_map/0"><c>warning_map/0</c></seealso>.</p> @@ -332,6 +357,12 @@ ok</pre> the standard event handler, meaning no further events are logged. When in doubt, use <c>warning_report/1</c> instead.</p> </warning> + <warning> + <p>If the Unicode translation modifier (<c>t</c>) is used in + the format string, all error handlers must ensure that the + formatted output is correctly encoded for the I/O + device.</p> + </warning> </desc> </func> <func> @@ -416,8 +447,8 @@ ok</pre> </section> <section> <title>See Also</title> - <p><seealso marker="stdlib:gen_event"><c>stdlib:gen_event(3)</c></seealso>, - <seealso marker="stdlib:log_mf_h"><c>stdlib:log_mf_h(3)</c></seealso> + <p><seealso marker="stdlib:gen_event"><c>gen_event(3)</c></seealso>, + <seealso marker="stdlib:log_mf_h"><c>log_mf_h(3)</c></seealso> <seealso marker="kernel_app"><c>kernel(6)</c></seealso> <seealso marker="sasl:sasl_app"><c>sasl(6)</c></seealso></p> </section> diff --git a/lib/kernel/doc/src/file.xml b/lib/kernel/doc/src/file.xml index 7d86c3ebcb..b674b3ca93 100644 --- a/lib/kernel/doc/src/file.xml +++ b/lib/kernel/doc/src/file.xml @@ -79,7 +79,7 @@ <seealso marker="#list_dir_all"><c>list_dir_all/1</c></seealso> and <seealso marker="#read_link_all"><c>read_link_all/1</c></seealso>.</p> - <p>See also section <seealso marker="stdlib:unicode_usage#notes-about-raw-filenames">Notes About Raw Filenames</seealso> in the <c>STDLIB</c> User´s Giude.</p> + <p>See also section <seealso marker="stdlib:unicode_usage#notes-about-raw-filenames">Notes About Raw Filenames</seealso> in the STDLIB User's Guide.</p> </description> @@ -277,7 +277,7 @@ f.txt: {person, "kalle", 25}. {ok,[{person,"kalle",25},{person,"pelle",30}]}</pre> <p>The encoding of <c><anno>Filename</anno></c> can be set by a comment, as described in - <seealso marker="stdlib:epp#encoding"><c>stdlib:epp(3)</c></seealso>.</p> + <seealso marker="stdlib:epp#encoding"><c>epp(3)</c></seealso>.</p> </desc> </func> <func> @@ -445,7 +445,7 @@ f.txt: {person, "kalle", 25}. </taglist> <p>The encoding of <c><anno>Filename</anno></c> can be set by a comment, as described in - <seealso marker="stdlib:epp#encoding"><c>stdlib:epp(3)</c></seealso>.</p> + <seealso marker="stdlib:epp#encoding"><c>epp(3)</c></seealso>.</p> </desc> </func> <func> @@ -455,7 +455,7 @@ f.txt: {person, "kalle", 25}. <p>The same as <c>eval/1</c>, but the variable bindings <c><anno>Bindings</anno></c> are used in the evaluation. For information about the variable bindings, see - <seealso marker="stdlib:erl_eval"><c>stdlib:erl_eval(3)</c></seealso>.</p> + <seealso marker="stdlib:erl_eval"><c>erl_eval(3)</c></seealso>.</p> </desc> </func> <func> @@ -830,7 +830,7 @@ f.txt: {person, "kalle", 25}. this module (<c>file</c>) for reading and writing data as the interfaces provided here work with byte-oriented data. Using other (Unicode) encodings makes the - <seealso marker="stdlib:io"><c>stdlib:io(3)</c></seealso> functions + <seealso marker="stdlib:io"><c>io(3)</c></seealso> functions <c>get_chars</c>, <c>get_line</c>, and <c>put_chars</c> more suitable, as they can work with the full Unicode range.</p> <p>If data is sent to an <c>io_device()</c> in a format that cannot be @@ -847,7 +847,7 @@ f.txt: {person, "kalle", 25}. that is, <seealso marker="#read/2"><c>read/2</c></seealso> are returned "as is". If module - <seealso marker="stdlib:io"><c>stdlib:io(3)</c></seealso> is used for + <seealso marker="stdlib:io"><c>io(3)</c></seealso> is used for writing, the file can only cope with Unicode characters up to code point 255 (the ISO Latin-1 range).</p> </item> @@ -861,7 +861,7 @@ f.txt: {person, "kalle", 25}. the file lies beyond the ISO Latin-1 range (0..255), but failure occurs if the data contains Unicode code points beyond that range. The file is best read with the functions in the Unicode aware module - <seealso marker="stdlib:io"><c>stdlib:io(3)</c></seealso>.</p> + <seealso marker="stdlib:io"><c>io(3)</c></seealso>.</p> <p>Bytes written to the file by any means are translated to UTF-8 encoding before being stored on the disk file.</p> </item> @@ -891,7 +891,7 @@ f.txt: {person, "kalle", 25}. So a file can be analyzed in latin1 encoding for, for example, a BOM, positioned beyond the BOM and then be set for the right encoding before further reading. For functions identifying BOMs, see module - <seealso marker="stdlib:unicode"><c>stdlib:unicode(3)</c></seealso>. </p> + <seealso marker="stdlib:unicode"><c>unicode(3)</c></seealso>. </p> <p>This option is not allowed on <c>raw</c> files.</p> </item> <tag><c>ram</c></tag> @@ -932,7 +932,7 @@ f.txt: {person, "kalle", 25}. closed and the process itself is terminated. An <c><anno>IoDevice</anno></c> returned from this call can be used as an argument to the I/O functions (see - <seealso marker="stdlib:io"><c>stdlib:io(3)</c></seealso>).</p> + <seealso marker="stdlib:io"><c>io(3)</c></seealso>).</p> <note> <p>In previous versions of <c>file</c>, modes were specified as one of the atoms <c>read</c>, <c>write</c>, or @@ -1055,7 +1055,7 @@ f.txt: {person, "kalle", 25}. </taglist> <p>The encoding of <c><anno>Filename</anno></c> can be set by a comment as described in - <seealso marker="stdlib:epp#encoding"><c>stdlib:epp(3)</c></seealso>.</p> + <seealso marker="stdlib:epp#encoding"><c>epp(3)</c></seealso>.</p> </desc> </func> <func> @@ -1128,7 +1128,7 @@ f.txt: {person, "kalle", 25}. </taglist> <p>The encoding of <c><anno>Filename</anno></c> can be set by a comment as described in - <seealso marker="stdlib:epp#encoding"><c>stdlib:epp(3)</c></seealso>.</p> + <seealso marker="stdlib:epp#encoding"><c>epp(3)</c></seealso>.</p> </desc> </func> <func> @@ -1389,7 +1389,7 @@ f.txt: {person, "kalle", 25}. <c>{ok, <anno>FileInfo</anno>}</c> if successful, otherwise <c>{error, <anno>Reason</anno>}</c>. <c><anno>FileInfo</anno></c> is a record - <c>file_info</c>, defined in the <c>Kernel</c> include file + <c>file_info</c>, defined in the Kernel include file <c>file.hrl</c>. Include the following directive in the module from which the function is called:</p> <code type="none"> @@ -1477,8 +1477,8 @@ f.txt: {person, "kalle", 25}. <tag><c>16#400</c></tag> <item><p>set group id on execution</p></item> </taglist> - <p>On Unix platforms, the following bits - can also be set:</p> + <p>On Unix platforms, other bits than those listed above + may be set.</p> </item> <tag><c>links = integer() >= 0</c></tag> <item> @@ -1552,7 +1552,7 @@ f.txt: {person, "kalle", 25}. raw line-oriented reading.</p> <p>If <c>encoding</c> is set to something else than <c>latin1</c>, the <c>read_line/1</c> call fails if the data contains characters larger than 255, - why module <seealso marker="stdlib:io"><c>stdlib:io(3)</c></seealso> is to be + why module <seealso marker="stdlib:io"><c>io(3)</c></seealso> is to be preferred when reading such a file.</p> <p>The function returns:</p> <taglist> @@ -1970,7 +1970,7 @@ f.txt: {person, "kalle", 25}. <p>Changes file information. Returns <c>ok</c> if successful, otherwise <c>{error, <anno>Reason</anno>}</c>. <c><anno>FileInfo</anno></c> is a record - <c>file_info</c>, defined in the <c>Kernel</c> include file + <c>file_info</c>, defined in the Kernel include file <c>file.hrl</c>. Include the following directive in the module from which the function is called:</p> <code type="none"> @@ -2042,8 +2042,8 @@ f.txt: {person, "kalle", 25}. <tag><c>16#400</c></tag> <item><p>Set group id on execution</p></item> </taglist> - <p>On Unix platforms, the following bits - can also be set.</p> + <p>On Unix platforms, other bits than those listed above + may be set.</p> </item> <tag><c>uid = integer() >= 0</c></tag> <item> diff --git a/lib/kernel/doc/src/gen_tcp.xml b/lib/kernel/doc/src/gen_tcp.xml index 83242c2df8..070782e1f3 100644 --- a/lib/kernel/doc/src/gen_tcp.xml +++ b/lib/kernel/doc/src/gen_tcp.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>1997</year><year>2016</year> + <year>1997</year><year>2017</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -140,6 +140,23 @@ do_recv(Sock, Bs) -> <fsummary>Close a TCP socket.</fsummary> <desc> <p>Closes a TCP socket.</p> + <p>Note that in most implementations of TCP, doing a <c>close</c> does + not guarantee that any data sent is delivered to the recipient before + the close is detected at the remote side. If you want to guarantee + delivery of the data to the recipient there are two common ways to + achieve this.</p> + <list type="ordered"> + <item><p>Use <seealso marker="#shutdown/2"> + <c>gen_tcp:shutdown(Sock, write)</c></seealso> to signal that + no more data is to be sent and wait for the read side of the + socket to be closed.</p> + </item> + <item><p>Use the socket option <seealso marker="inet#packet"> + <c>{packet, N}</c></seealso> (or something similar) to make + it possible for the receiver to close the connection when it + knowns it has received all the data.</p> + </item> + </list> </desc> </func> @@ -216,7 +233,7 @@ do_recv(Sock, Bs) -> time-out in milliseconds. Defaults to <c>infinity</c>.</p> <note> <p>The default values for options specified to <c>connect</c> can - be affected by the <c>Kernel</c> configuration parameter + be affected by the Kernel configuration parameter <c>inet_default_connect_options</c>. For details, see <seealso marker="inet"><c>inet(3)</c></seealso>.</p> </note> @@ -231,7 +248,11 @@ do_recv(Sock, Bs) -> <c><anno>Socket</anno></c>. The controlling process is the process that receives messages from the socket. If called by any other process than the current controlling process, - <c>{error, not_owner}</c> is returned.</p> + <c>{error, not_owner}</c> is returned. If the process identified + by <c><anno>Pid</anno></c> is not an existing local pid, + <c>{error, badarg}</c> is returned. <c>{error, badarg}</c> may also + be returned in some cases when <c><anno>Socket</anno></c> is closed + during the execution of this function.</p> <p>If the socket is set in active mode, this function will transfer any messages in the mailbox of the caller to the new controlling process. @@ -293,7 +314,7 @@ do_recv(Sock, Bs) -> <seealso marker="#accept/1"><c>accept/1,2</c></seealso>.</p> <note> <p>The default values for options specified to <c>listen</c> can - be affected by the <c>Kernel</c> configuration parameter + be affected by the Kernel configuration parameter <c>inet_default_listen_options</c>. For details, see <seealso marker="inet"><c>inet(3)</c></seealso>.</p> </note> @@ -307,7 +328,7 @@ do_recv(Sock, Bs) -> <type_desc variable="HttpPacket">See the description of <c>HttpPacket</c> in <seealso marker="erts:erlang#decode_packet/3"><c>erlang:decode_packet/3</c></seealso> - in <c>ERTS</c>. + in ERTS. </type_desc> <desc> <p>Receives a packet from a socket in passive diff --git a/lib/kernel/doc/src/gen_udp.xml b/lib/kernel/doc/src/gen_udp.xml index 3f88a0272d..f79566ef71 100644 --- a/lib/kernel/doc/src/gen_udp.xml +++ b/lib/kernel/doc/src/gen_udp.xml @@ -68,7 +68,11 @@ <c><anno>Socket</anno></c>. The controlling process is the process that receives messages from the socket. If called by any other process than the current controlling process, - <c>{error, not_owner}</c> is returned.</p> + <c>{error, not_owner}</c> is returned. If the process identified + by <c><anno>Pid</anno></c> is not an existing local pid, + <c>{error, badarg}</c> is returned. <c>{error, badarg}</c> may also + be returned in some cases when <c><anno>Socket</anno></c> is closed + during the execution of this function.</p> </desc> </func> diff --git a/lib/kernel/doc/src/heart.xml b/lib/kernel/doc/src/heart.xml index 864f8facac..5b5b71e521 100644 --- a/lib/kernel/doc/src/heart.xml +++ b/lib/kernel/doc/src/heart.xml @@ -37,10 +37,7 @@ the <c>heart</c> port program is to check that the Erlang runtime system it is supervising is still running. If the port program has not received any heartbeats within <c>HEART_BEAT_TIMEOUT</c> seconds - (defaults to 60 seconds), the system can be rebooted. Also, if - the system is equipped with a hardware watchdog timer and is - running Solaris, the watchdog can be used to supervise the entire - system.</p> + (defaults to 60 seconds), the system can be rebooted.</p> <p>An Erlang runtime system to be monitored by a heart program is to be started with command-line flag <c>-heart</c> (see also <seealso marker="erts:erl"><c>erl(1)</c></seealso>). @@ -51,17 +48,13 @@ or a terminated Erlang runtime system, environment variable <c>HEART_COMMAND</c> must be set before the system is started. If this variable is not set, a warning text is printed but - the system does not reboot. However, if the hardware watchdog is - used, it still triggers a reboot <c>HEART_BEAT_BOOT_DELAY</c> - seconds later (defaults to 60 seconds).</p> + the system does not reboot.</p> <p>To reboot on Windows, <c>HEART_COMMAND</c> can be set to <c>heart -shutdown</c> (included in the Erlang delivery) or to any other suitable program that can activate a reboot.</p> - <p>The hardware watchdog is not started under Solaris if - environment variable <c>HW_WD_DISABLE</c> is set.</p> - <p>The environment variables <c>HEART_BEAT_TIMEOUT</c> and - <c>HEART_BEAT_BOOT_DELAY</c> can be used to configure the heart - time-outs; they can be set in the operating system shell before Erlang + <p>The environment variable <c>HEART_BEAT_TIMEOUT</c> + can be used to configure the heart + time-outs; it can be set in the operating system shell before Erlang is started or be specified at the command line:</p> <pre> % <input>erl -heart -env HEART_BEAT_TIMEOUT 30 ...</input></pre> @@ -83,7 +76,7 @@ <c><![CDATA[SIGKILL]]></c>:</p> <pre> % <input>erl -heart -env HEART_KILL_SIGNAL SIGABRT ...</input></pre> - <p> If heart should <b>not</b> kill the Erlang runtime system, this can be indicated + <p> If heart should <em>not</em> kill the Erlang runtime system, this can be indicated using the environment variable <c><![CDATA[HEART_NO_KILL=TRUE]]></c>. This can be useful if the command executed by heart takes care of this, for example as part of a specific cleanup sequence. diff --git a/lib/kernel/doc/src/inet.xml b/lib/kernel/doc/src/inet.xml index c0dce2f50c..b71e8a1e5d 100644 --- a/lib/kernel/doc/src/inet.xml +++ b/lib/kernel/doc/src/inet.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>1997</year><year>2016</year> + <year>1997</year><year>2017</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -36,7 +36,7 @@ <seealso marker="erts:inet_cfg">ERTS User's Guide: Inet Configuration</seealso> for more information about how to configure an Erlang runtime system for IP communication.</p> - <p>The following two <c>Kernel</c> configuration parameters affect the + <p>The following two Kernel configuration parameters affect the behavior of all sockets opened on an Erlang node:</p> <list type="bulleted"> <item><p><c>inet_default_connect_options</c> can contain a list of @@ -48,7 +48,7 @@ <p>When <c>accept</c> is issued, the values of the listening socket options are inherited. No such application variable is therefore needed for <c>accept</c>.</p> - <p>Using the <c>Kernel</c> configuration parameters above, one + <p>Using the Kernel configuration parameters above, one can set default options for all TCP sockets on a node, but use this with care. Options such as <c>{delay_send,true}</c> can be specified in this way. The following is an example of starting an Erlang @@ -75,8 +75,8 @@ Address ip_address() ------- ------------ ::1 {0,0,0,0,0,0,0,1} ::192.168.42.2 {0,0,0,0,0,0,(192 bsl 8) bor 168,(42 bsl 8) bor 2} -FFFF::192.168.42.2 - {16#FFFF,0,0,0,0,0,(192 bsl 8) bor 168,(42 bsl 8) bor 2} +::FFFF:192.168.42.2 + {0,0,0,0,0,16#FFFF,(192 bsl 8) bor 168,(42 bsl 8) bor 2} 3ffe:b80:1f8d:2:204:acff:fe17:bf38 {16#3ffe,16#b80,16#1f8d,16#2,16#204,16#acff,16#fe17,16#bf38} fe80::204:acff:fe17:bf38 @@ -87,15 +87,15 @@ fe80::204:acff:fe17:bf38 <pre> 1> <input>inet:parse_address("192.168.42.2").</input> {ok,{192,168,42,2}} -2> <input>inet:parse_address("FFFF::192.168.42.2").</input> -{ok,{65535,0,0,0,0,0,49320,10754}}</pre> +2> <input>inet:parse_address("::FFFF:192.168.42.2").</input> +{ok,{0,0,0,0,0,65535,49320,10754}}</pre> </description> <datatypes> <datatype> <name name="hostent"/> <desc> - <p>The record is defined in the <c>Kernel</c> include file + <p>The record is defined in the Kernel include file <c>"inet.hrl"</c>.</p> <p>Add the following directive to the module:</p> <code> @@ -151,6 +151,12 @@ fe80::204:acff:fe17:bf38 <name name="socket_address"/> </datatype> <datatype> + <name name="socket_getopt"/> + </datatype> + <datatype> + <name name="socket_setopt"/> + </datatype> + <datatype> <name name="returned_non_ip_address"/> <desc> <p> @@ -327,8 +333,6 @@ fe80::204:acff:fe17:bf38 <func> <name name="getopts" arity="2"/> <fsummary>Get one or more options for a socket.</fsummary> - <type name="socket_getopt"/> - <type name="socket_setopt"/> <desc> <p>Gets one or more options for a socket. For a list of available options, see @@ -387,7 +391,7 @@ get_tcpi_sacked(Sock) -> <<_:28/binary,TcpiSacked:32/native,_/binary>> = Info, TcpiSacked.]]></code> <p>Preferably, you would check the machine type, the operating system, - and the <c>Kernel</c> version before executing anything similar to + and the Kernel version before executing anything similar to this code.</p> </desc> </func> @@ -580,7 +584,6 @@ get_tcpi_sacked(Sock) -> <func> <name name="setopts" arity="2"/> <fsummary>Set one or more options for a socket.</fsummary> - <type name="socket_setopt"/> <desc> <p>Sets one or more options for a socket.</p> <p>The following options are available:</p> @@ -656,9 +659,10 @@ get_tcpi_sacked(Sock) -> <tag><c>{buffer, Size}</c></tag> <item> <p>The size of the user-level software buffer used by - the driver. Not to be confused with options <c>sndbuf</c> + the driver. + Not to be confused with options <c>sndbuf</c> and <c>recbuf</c>, which correspond to the - <c>Kernel</c> socket buffers. It is recommended + Kernel socket buffers. It is recommended to have <c>val(buffer) >= max(val(sndbuf),val(recbuf))</c> to avoid performance issues because of unnecessary copying. <c>val(buffer)</c> is automatically set to the above @@ -667,6 +671,9 @@ get_tcpi_sacked(Sock) -> usually become larger, you are encouraged to use <seealso marker="#getopts/2"><c>getopts/2</c></seealso> to analyze the behavior of your operating system.</p> + <p>Note that this is also the maximum amount of data that can be + received from a single recv call. If you are using higher than + normal MTU consider setting buffer higher.</p> </item> <tag><c>{delay_send, Boolean}</c></tag> <item> @@ -717,7 +724,7 @@ get_tcpi_sacked(Sock) -> <p>The socket message queue is set to a busy state when the amount of data on the message queue reaches this limit. Notice that this limit only - concerns data that has not yet reached the <c>ERTS</c> internal + concerns data that has not yet reached the ERTS internal socket implementation. Defaults to 8 kB.</p> <p>Senders of data to the socket are suspended if either the socket message queue is busy or the socket @@ -733,7 +740,7 @@ get_tcpi_sacked(Sock) -> <tag><c>{high_watermark, Size}</c> (TCP/IP sockets)</tag> <item> <p>The socket is set to a busy state when the amount - of data queued internally by the <c>ERTS</c> socket implementation + of data queued internally by the ERTS socket implementation reaches this limit. Defaults to 8 kB.</p> <p>Senders of data to the socket are suspended if either the socket message queue is busy or the socket @@ -813,7 +820,7 @@ get_tcpi_sacked(Sock) -> socket message queue is set in a not busy state when the amount of data queued in the message queue falls below this limit. Notice that this limit only concerns data - that has not yet reached the <c>ERTS</c> internal socket + that has not yet reached the ERTS internal socket implementation. Defaults to 4 kB.</p> <p>Senders that are suspended because of either a busy message queue or a busy socket are resumed @@ -831,7 +838,7 @@ get_tcpi_sacked(Sock) -> <item> <p>If the socket is in a busy state, the socket is set in a not busy state when the amount of data - queued internally by the <c>ERTS</c> socket implementation + queued internally by the ERTS socket implementation falls below this limit. Defaults to 4 kB.</p> <p>Senders that are suspended because of a busy message queue or a busy socket are resumed @@ -890,6 +897,32 @@ setcap cap_sys_admin,cap_sys_ptrace,cap_dac_read_search+epi beam.smp</code> <seealso marker="file#native_name_encoding/0"><c>file:native_name_encoding/0</c></seealso>.</p></item> </list> </item> + <tag><c>{bind_to_device, Ifname :: binary()}</c></tag> + <item> + <p>Binds a socket to a specific network interface. This option + must be used in a function call that creates a socket, that is, + <seealso marker="gen_tcp#connect/3"><c>gen_tcp:connect/3,4</c></seealso>, + <seealso marker="gen_tcp#listen/2"><c>gen_tcp:listen/2</c></seealso>, + <seealso marker="gen_udp#open/1"><c>gen_udp:open/1,2</c></seealso>, or + <seealso marker="gen_sctp#open/0"><c>gen_sctp:open/0,1,2</c></seealso>.</p> + <p>Unlike <seealso marker="#getifaddrs/0"><c>getifaddrs/0</c></seealso>, Ifname + is encoded a binary. In the unlikely case that a system is using + non-7-bit-ASCII characters in network device names, special care + has to be taken when encoding this argument.</p> + <p>This option uses the Linux-specific socket option + <c>SO_BINDTODEVICE</c>, such as in Linux kernel 2.0.30 or later, + and therefore only exists when the runtime system + is compiled for such an operating system.</p> + <p>Before Linux 3.8, this socket option could be set, but could not retrieved + with <seealso marker="#getopts/2"><c>getopts/2</c></seealso>. Since Linux 3.8, + it is readable.</p> + <p>The virtual machine also needs elevated privileges, either + running as superuser or (for Linux) having capability + <c>CAP_NET_RAW</c>.</p> + <p>The primary use case for this option is to bind sockets into + <url href="http://www.kernel.org/doc/Documentation/networking/vrf.txt">Linux VRF instances</url>. + </p> + </item> <tag><c>list</c></tag> <item> <p>Received <c>Packet</c> is delivered as a list.</p> @@ -906,7 +939,7 @@ setcap cap_sys_admin,cap_sys_ptrace,cap_dac_read_search+epi beam.smp</code> </item> <tag><c>{packet, PacketType}</c>(TCP/IP sockets)</tag> <item> - <p>Defines the type of packets to use for a socket. + <p><marker id="packet"/>Defines the type of packets to use for a socket. Possible values:</p> <taglist> <tag><c>raw | 0</c></tag> @@ -951,7 +984,7 @@ setcap cap_sys_admin,cap_sys_ptrace,cap_dac_read_search+epi beam.smp</code> are returned with the format according to <c>HttpPacket</c> described in <seealso marker="erts:erlang#decode_packet/3"> - <c>erlang:decode_packet/3</c></seealso> in <c>ERTS</c>. + <c>erlang:decode_packet/3</c></seealso> in ERTS. A socket in passive mode returns <c>{ok, HttpPacket}</c> from <c>gen_tcp:recv</c> while an active socket sends messages like @@ -984,11 +1017,6 @@ setcap cap_sys_admin,cap_sys_ptrace,cap_dac_read_search+epi beam.smp</code> <p>Sets the line delimiting character for line-oriented protocols (<c>line</c>). Defaults to <c>$\n</c>.</p> </item> - <tag><c>{priority, Priority}</c></tag> - <item> - <p>Sets the protocol-defined priority for all packets to be sent - on this socket.</p> - </item> <tag><c>{raw, Protocol, OptionNum, ValueBin}</c></tag> <item> <p>See below.</p> @@ -1089,6 +1117,15 @@ setcap cap_sys_admin,cap_sys_ptrace,cap_dac_read_search+epi beam.smp</code> The option is ignored on platforms where it is not implemented. Use with caution.</p> </item> + <tag><c>{tclass, Integer}</c></tag> + <item> + <p> + Sets <c>IPV6_TCLASS IP</c> level options on platforms + where this is implemented. The behavior and allowed range + varies between different systems. + The option is ignored on platforms where it is not + implemented. Use with caution.</p> + </item> </taglist> <p>In addition to these options, <em>raw</em> option specifications can be used. The raw options are @@ -1127,7 +1164,7 @@ inet:setopts(Sock,[{raw,6,8,<<30:32/native>>}]),]]></code> can respond differently to this kind of option manipulation. Use with care.</p> <p>Notice that the default options for TCP/IP sockets can be - changed with the <c>Kernel</c> configuration parameters mentioned in + changed with the Kernel configuration parameters mentioned in the beginning of this manual page.</p> </desc> </func> diff --git a/lib/kernel/doc/src/init_stub.xml b/lib/kernel/doc/src/init_stub.xml index df89b174ca..1297c8264d 100644 --- a/lib/kernel/doc/src/init_stub.xml +++ b/lib/kernel/doc/src/init_stub.xml @@ -34,6 +34,6 @@ <modulesummary>Coordination of system startup.</modulesummary> <description> <p>This module is moved to the - <seealso marker="erts:init"><c>ERTS</c></seealso> application.</p> + <seealso marker="erts:init">ERTS</seealso> application.</p> </description> </erlref> diff --git a/lib/kernel/doc/src/kernel_app.xml b/lib/kernel/doc/src/kernel_app.xml index 9e6fb60bb7..e5ac031539 100644 --- a/lib/kernel/doc/src/kernel_app.xml +++ b/lib/kernel/doc/src/kernel_app.xml @@ -4,14 +4,14 @@ <appref> <header> <copyright> - <year>1996</year><year>2016</year> + <year>1996</year><year>2017</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> 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 @@ -19,7 +19,7 @@ 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. - + </legalnotice> <title>kernel</title> @@ -31,12 +31,12 @@ <app>kernel</app> <appsummary>The Kernel application.</appsummary> <description> - <p>The <c>Kernel</c> application has all the code necessary to run + <p>The Kernel application has all the code necessary to run the Erlang runtime system: file servers, code servers, and so on.</p> - <p>The <c>Kernel</c> application is the first application started. It is + <p>The Kernel application is the first application started. It is mandatory in the sense that the minimal system based on - Erlang/OTP consists of <c>Kernel</c> and <c>STDLIB</c>. <c>Kernel</c> + Erlang/OTP consists of Kernel and STDLIB. Kernel contains the following functional areas:</p> <list type="bulleted"> <item>Start, stop, supervision, configuration, and distribution of applications</item> @@ -53,13 +53,68 @@ <section> <title>Error Logger Event Handlers</title> <p>Two standard error logger event handlers are defined in - the <c>Kernel</c> application. These are described in + the Kernel application. These are described in <seealso marker="error_logger"><c>error_logger(3)</c></seealso>.</p> </section> <section> + <marker id="erl_signal_server"/> + <title>OS Signal Event Handler</title> + <p>Asynchronous OS signals may be subscribed to via the Kernel applications event manager + (see <seealso marker="doc/design_principles:des_princ">OTP Design Principles</seealso> and + <seealso marker="stdlib:gen_event"><c>gen_event(3)</c></seealso>) registered as <c>erl_signal_server</c>. + A default signal handler is installed which handles the following signals:</p> + <taglist> + <tag><c>sigusr1</c></tag> + <item><p>The default handler will halt Erlang and produce a crashdump + with slogan "Received SIGUSR1". + This is equivalent to calling <c>erlang:halt("Received SIGUSR1")</c>. + </p></item> + + <tag><c>sigquit</c></tag> + <item><p>The default handler will halt Erlang immediately. + This is equivalent to calling <c>erlang:halt()</c>. + </p></item> + + <tag><c>sigterm</c></tag> + <item><p>The default handler will terminate Erlang normally. + This is equivalent to calling <c>init:stop()</c>. + </p></item> + </taglist> + + <section> + <title>Events</title> + <p>Any event handler added to <c>erl_signal_server</c> must handle the following events.</p> + <taglist> + <tag><c>sighup</c></tag> + <item><p>Hangup detected on controlling terminal or death of controlling process</p></item> + <tag><c>sigquit</c></tag> + <item><p>Quit from keyboard</p></item> + <tag><c>sigabrt</c></tag> + <item><p>Abort signal from abort</p></item> + <tag><c>sigalrm</c></tag> + <item><p>Timer signal from alarm</p></item> + <tag><c>sigterm</c></tag> + <item><p>Termination signal</p></item> + <tag><c>sigusr1</c></tag> + <item><p>User-defined signal 1</p></item> + <tag><c>sigusr2</c></tag> + <item><p>User-defined signal 2</p></item> + <tag><c>sigchld</c></tag> + <item><p>Child process stopped or terminated</p></item> + <tag><c>sigstop</c></tag> + <item><p>Stop process</p></item> + <tag><c>sigtstp</c></tag> + <item><p>Stop typed at terminal</p></item> + </taglist> + + <p>Setting OS signals are described in <seealso marker="os#set_signal/2"><c>os:set_signal/2</c></seealso>.</p> + </section> + </section> + + <section> <title>Configuration</title> - <p>The following configuration parameters are defined for the <c>Kernel</c> + <p>The following configuration parameters are defined for the Kernel application. For more information about configuration parameters, see file <seealso marker="app"><c>app(4)</c></seealso>.</p> <taglist> @@ -131,7 +186,7 @@ <tag><c>{file, FileName}</c></tag> <item><p>Installs the standard event handler, which prints error reports to file <c>FileName</c>, where <c>FileName</c> - is a string.</p></item> + is a string. The file is opened with encoding UTF-8.</p></item> <tag><c>false</c></tag> <item> <p>No standard event handler is installed, but @@ -162,8 +217,8 @@ depth to which terms are printed by the error logger event handlers included in OTP. This configuration parameter is used by the two event handlers - defined by the <c>Kernel</c> application and the two event - handlers in the <c>SASL</c> application. + defined by the Kernel application and the two event + handlers in the SASL application. (If you have implemented your own error handlers, this configuration parameter has no effect on them.)</p> @@ -173,7 +228,7 @@ <c>~P</c> and <c>~W</c>, respectively, and <c>Depth</c> is used as the depth parameter. For details, see <seealso marker="stdlib:io#format/2"><c>io:format/2</c></seealso> - in <c>STDLIB</c>.</p> + in STDLIB.</p> <note><p>A reasonable starting value for <c>Depth</c> is <c>30</c>. We recommend to test crashing various processes in your @@ -217,12 +272,14 @@ </item> <tag><c>{inet_dist_listen_options, Opts}</c></tag> <item> + <marker id="inet_dist_listen_options"></marker> <p>Defines a list of extra socket options to be used when opening the listening socket for a distributed Erlang node. See <seealso marker="gen_tcp#listen/2"><c>gen_tcp:listen/2</c></seealso>.</p> </item> <tag><c>{inet_dist_connect_options, Opts}</c></tag> <item> + <marker id="inet_dist_connect_options"></marker> <p>Defines a list of extra socket options to be used when connecting to other distributed Erlang nodes. See <seealso marker="gen_tcp#connect/4"><c>gen_tcp:connect/4</c></seealso>.</p> @@ -239,7 +296,7 @@ <p>The name (string) of an Inet user configuration file. For details, see section <seealso marker="erts:inet_cfg"><c>Inet Configuration</c></seealso> - in the <c>ERTS</c> User's Guide.</p> + in the ERTS User's Guide.</p> </item> <tag><c>net_setuptime = SetupTime</c></tag> <item> @@ -358,11 +415,34 @@ MaxT = TickTime + TickTime / 4</code> <tag><c>start_timer = true | false</c></tag> <item> <p>Starts the <c>timer_server</c> if the parameter is - <c>true</c> (see <seealso marker="stdlib:timer"><c>stdlib:timer(3)</c></seealso>). + <c>true</c> (see <seealso marker="stdlib:timer"><c>timer(3)</c></seealso>). This parameter is to be set to <c>true</c> in an embedded system using this service.</p> <p>Defaults to <c>false</c>.</p> </item> + <tag><c>shell_history = enabled | disabled </c></tag> + <item> + <p>Specifies whether shell history should be logged to disk + between usages of <c>erl</c>.</p> + </item> + <tag><c>shell_history_drop = [string()]</c></tag> + <item> + <p>Specific log lines that should not be persisted. For + example <c>["q().", "init:stop()."]</c> will allow to + ignore commands that shut the node down. Defaults to + <c>[]</c>.</p> + </item> + <tag><c>shell_history_file_bytes = integer()</c></tag> + <item> + <p>how many bytes the shell should remember. By default, the + value is set to 512kb, and the minimal value is 50kb.</p> + </item> + <tag><c>shell_history_path = string()</c></tag> + <item> + <p>Specifies where the shell history files will be stored. + defaults to the user's cache directory as returned by + <c>filename:basedir(user_cache, "erlang-history")</c>.</p> + </item> <tag><c>shutdown_func = {Mod, Func}</c></tag> <item> <p>Where:</p> @@ -377,6 +457,28 @@ MaxT = TickTime + TickTime / 4</code> return as soon as possible for <c>application_controller</c> to terminate properly.</p> </item> + <tag><c>source_search_rules = [DirRule] | [SuffixRule] </c></tag> + <item> + <marker id="source_search_rules"></marker> + <p>Where:</p> + <list type="bulleted"> + <item><c>DirRule = {ObjDirSuffix,SrcDirSuffix}</c></item> + <item><c>SuffixRule = {ObjSuffix,SrcSuffix,[DirRule]}</c></item> + <item><c>ObjDirSuffix = string()</c></item> + <item><c>SrcDirSuffix = string()</c></item> + <item><c>ObjSuffix = string()</c></item> + <item><c>SrcSuffix = string()</c></item> + </list> + <p>Specifies a list of rules for use by <c>filelib:find_file/2</c> and + <c>filelib:find_source/2</c>. If this is set to some other value + than the empty list, it replaces the default rules. Rules can be + simple pairs of directory suffixes, such as <c>{"ebin", + "src"}</c>, which are used by <c>filelib:find_file/2</c>, or + triples specifying separate directory suffix rules depending on + file name extensions, for example <c>[{".beam", ".erl", [{"ebin", + "src"}]}</c>, which are used by <c>filelib:find_source/2</c>. Both + kinds of rules can be mixed in the list.</p> + </item> </taglist> </section> @@ -403,4 +505,3 @@ MaxT = TickTime + TickTime / 4</code> <seealso marker="stdlib:timer"><c>timer(3)</c></seealso></p> </section> </appref> - diff --git a/lib/kernel/doc/src/net_kernel.xml b/lib/kernel/doc/src/net_kernel.xml index f48a534d4f..0b94fc0fa6 100644 --- a/lib/kernel/doc/src/net_kernel.xml +++ b/lib/kernel/doc/src/net_kernel.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>1996</year><year>2016</year> + <year>1996</year><year>2017</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -55,7 +55,7 @@ $ <input>erl -sname foobar</input></pre> <seealso marker="erts:erl"><c>erl</c></seealso>.</p> <p>Normally, connections are established automatically when another node is referenced. This functionality can be disabled - by setting <c>Kernel</c> configuration parameter + by setting Kernel configuration parameter <c>dist_auto_connect</c> to <c>false</c>, see <seealso marker="kernel_app"><c>kernel(6)</c></seealso>. In this case, connections must be established explicitly by calling @@ -64,6 +64,19 @@ $ <input>erl -sname foobar</input></pre> by the magic cookie system, see section <seealso marker="doc/reference_manual:distributed">Distributed Erlang</seealso> in the Erlang Reference Manual.</p> + <warning> + <p> + Starting a distributed node without also specifying + <seealso marker="erts:erl#proto_dist"><c>-proto_dist inet_tls</c></seealso> + will expose the node to attacks that may give the attacker + complete access to the node and in extension the cluster. + When using un-secure distributed nodes, make sure that the + network is configured to keep potential attackers out. + See the <seealso marker="ssl:ssl_distribution"> + Using SSL for Erlang Distribution</seealso> User's Guide + for details on how to setup a secure distributed node. + </p> + </warning> </description> <funcs> @@ -116,6 +129,21 @@ $ <input>erl -sname foobar</input></pre> </func> <func> + <name name="getopts" arity="2"/> + <fsummary>Get distribution socket options.</fsummary> + <desc> + <p>Get one or more options for the distribution socket + connected to <c><anno>Node</anno></c>.</p> + <p>If <c><anno>Node</anno></c> is a connected node + the return value is the same as from + <seealso marker="inet#getopts/2"><c>inet:getopts(Sock, Options)</c></seealso> + where <c>Sock</c> is the distribution socket for <c><anno>Node</anno></c>.</p> + <p>Returns <c>ignored</c> if the local node is not alive or + <c>{error, noconnection}</c> if <c><anno>Node</anno></c> is not connected.</p> + </desc> + </func> + + <func> <name name="monitor_nodes" arity="1"/> <name name="monitor_nodes" arity="2"/> <fsummary>Subscribe to node status change messages.</fsummary> @@ -131,7 +159,7 @@ $ <input>erl -sname foobar</input></pre> are stopped. Two option lists are considered the same if they contain the same set of options.</p> - <p>As from <c>Kernel</c> version 2.11.4, and <c>ERTS</c> version + <p>As from Kernel version 2.11.4, and ERTS version 5.5.4, the following is guaranteed:</p> <list type="bulleted"> <item><p><c>nodeup</c> messages are delivered before delivery @@ -141,13 +169,13 @@ $ <input>erl -sname foobar</input></pre> messages from the remote node that have been passed through the connection have been delivered.</p></item> </list> - <p>Notice that this is <em>not</em> guaranteed for <c>Kernel</c> + <p>Notice that this is <em>not</em> guaranteed for Kernel versions before 2.11.4.</p> - <p>As from <c>Kernel</c> version 2.11.4, subscriptions can also be + <p>As from Kernel version 2.11.4, subscriptions can also be made before the <c>net_kernel</c> server is started, that is, <c>net_kernel:monitor_nodes/[1,2]</c> does not return <c>ignored</c>.</p> - <p>As from <c>Kernel</c> version 2.13, and <c>ERTS</c> version + <p>As from Kernel version 2.13, and ERTS version 5.7, the following is guaranteed:</p> <list type="bulleted"> <item><p><c>nodeup</c> messages are delivered after the @@ -157,7 +185,7 @@ $ <input>erl -sname foobar</input></pre> corresponding node has disappeared in results from <c>erlang:nodes/X</c>.</p></item> </list> - <p>Notice that this is <em>not</em> guaranteed for <c>Kernel</c> + <p>Notice that this is <em>not</em> guaranteed for Kernel versions before 2.13.</p> <p>The format of the node status change messages depends on <c><anno>Options</anno></c>. If <c><anno>Options</anno></c> is @@ -289,6 +317,27 @@ $ <input>erl -sname foobar</input></pre> </func> <func> + <name name="setopts" arity="2"/> + <fsummary>Set distribution socket options.</fsummary> + <desc> + <p>Set one or more options for distribution sockets. + Argument <c><anno>Node</anno></c> can be either one node name + or the atom <c>new</c> to affect the distribution sockets of all + future connected nodes.</p> + <p>The return value is the same as from + <seealso marker="inet#setopts/2"><c>inet:setopts/2</c></seealso> + or <c>{error, noconnection}</c> if <c><anno>Node</anno></c> is not + a connected node or <c>new</c>.</p> + <p>If <c><anno>Node</anno></c> is <c>new</c> the <c><anno>Options</anno></c> + will then also be added to kernel configration parameters + <seealso marker="kernel:kernel_app#inet_dist_listen_options">inet_dist_listen_options</seealso> + and + <seealso marker="kernel:kernel_app#inet_dist_connect_options">inet_dist_connect_options</seealso>.</p> + <p>Returns <c>ignored</c> if the local node is not alive.</p> + </desc> + </func> + + <func> <name>start([Name]) -> {ok, pid()} | {error, Reason}</name> <name>start([Name, NameType]) -> {ok, pid()} | {error, Reason}</name> <name>start([Name, NameType, Ticktime]) -> {ok, pid()} | {error, Reason}</name> diff --git a/lib/kernel/doc/src/notes.xml b/lib/kernel/doc/src/notes.xml index f37433110c..e1cf45109d 100644 --- a/lib/kernel/doc/src/notes.xml +++ b/lib/kernel/doc/src/notes.xml @@ -4,7 +4,7 @@ <chapter> <header> <copyright> - <year>2004</year><year>2016</year> + <year>2004</year><year>2017</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -31,6 +31,344 @@ </header> <p>This document describes the changes made to the Kernel application.</p> +<section><title>Kernel 5.3</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p>Function <c>inet:ntoa/1</c> has been fixed to return + lowercase letters according to RFC 5935 that has been + approved after this function was written. Previously + uppercase letters were returned so this may be a + backwards incompatible change depending on how the + returned address string is used.</p> + <p>Function <c>inet:parse_address/1</c> has been fixed to + accept %-suffixes on scoped addresses. The addresses does + not work yet, but gives no parse errors.</p> + <p> + *** POTENTIAL INCOMPATIBILITY ***</p> + <p> + Own Id: OTP-13006 Aux Id: ERIERL-20, ERL-429 </p> + </item> + <item> + <p> + Fix bug where gethostname would incorrectly fail with + enametoolong on Linux.</p> + <p> + Own Id: OTP-14310</p> + </item> + <item> + <p> + Fix bug causing <c>code:is_module_native</c> to falsely + return true when <c>local</c> call trace is enabled for + the module.</p> + <p> + Own Id: OTP-14390</p> + </item> + <item> + <p> + Add early reject of invalid node names from distributed + nodes.</p> + <p> + Own Id: OTP-14426</p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + Since Unicode is now allowed in atoms an extra check is + needed for node names, which are restricted to Latin-1.</p> + <p> + Own Id: OTP-13805</p> + </item> + <item> + <p>Replaced usage of deprecated symbolic <seealso + marker="erts:erlang#type-time_unit"><c>time + unit</c></seealso> representations.</p> + <p> + Own Id: OTP-13831 Aux Id: OTP-13735 </p> + </item> + <item> + <p><c>file:write_file(Name, Data, [raw])</c> would turn + <c>Data</c> into a single binary before writing. This + meant it could not take advantage of the <c>writev()</c> + system call if it was given a list of binaries and told + to write with <c>raw</c> mode.</p> + <p> + Own Id: OTP-13909</p> + </item> + <item> + <p>The performance of the <c>disk_log</c> has been + somewhat improved in some corner cases (big items), and + the documentation has been clarified. </p> + <p> + Own Id: OTP-14057 Aux Id: PR-1245 </p> + </item> + <item> + <p>Functions for detecting changed code has been added. + <c>code:modified_modules/0</c> returns all currently + loaded modules that have changed on disk. + <c>code:module_status/1</c> returns the status for a + module. In the shell and in <c>c</c> module, <c>mm/0</c> + is short for <c>code:modified_modules/0</c>, and + <c>lm/0</c> reloads all currently loaded modules that + have changed on disk.</p> + <p> + Own Id: OTP-14059</p> + </item> + <item> + <p> + Introduce an event manager in Erlang to handle OS + signals. A subset of OS signals may be subscribed to and + those are described in the Kernel application.</p> + <p> + Own Id: OTP-14186</p> + </item> + <item> + <p> Sockets can now be bound to device (SO_BINDTODEVICE) + on platforms where it is supported. </p> <p> This has + been implemented e.g to support VRF-Lite under Linux; see + <url + href="https://www.kernel.org/doc/Documentation/networking/vrf.txt"> + VRF </url>, and GitHub pull request <url + href="https://github.com/erlang/otp/pull/1326">#1326</url>. + </p> + <p> + Own Id: OTP-14357 Aux Id: PR-1326 </p> + </item> + <item> + <p> + Added option to store shell_history on disk so that the + history can be reused between sessions.</p> + <p> + Own Id: OTP-14409 Aux Id: PR-1420 </p> + </item> + <item> + <p> The size of crash reports created by + <c>gen_server</c>, <c>gen_statem</c> and <c>proc_lib</c> + is limited with aid of the Kernel application variable + <c>error_logger_format_depth</c>. The purpose is to limit + the size of the messages sent to the <c>error_logger</c> + process when processes with huge message queues or states + crash. </p> <p>The crash report generated by + <c>proc_lib</c> includes the new tag + <c>message_queue_len</c>. The neighbour report also + includes the new tag <c>current_stacktrace</c>. Finally, + the neighbour report no longer includes the tags + <c>messages</c> and <c>dictionary</c>. </p> <p> The new + function <c>error_logger:get_format_depth/0</c> can be + used to retrieve the value of the Kernel application + variable <c>error_logger_format_depth</c>. </p> + <p> + Own Id: OTP-14417</p> + </item> + <item> + <p> One of the ETS tables used by the <c>global</c> + module is created with <c>{read_concurrency, true}</c> in + order to reduce contention. </p> + <p> + Own Id: OTP-14419</p> + </item> + <item> + <p> + Warnings have been added to the relevant documentation + about not using un-secure distributed nodes in exposed + environments.</p> + <p> + Own Id: OTP-14425</p> + </item> + </list> + </section> + +</section> + +<section><title>Kernel 5.2</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Fix a race during cleanup of os:cmd that would cause + os:cmd to hang indefinitely.</p> + <p> + Own Id: OTP-14232 Aux Id: seq13275 </p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p>The functions in the '<c>file</c>' module that take a + list of paths (e.g. <c>file:path_consult/2</c>) will now + continue to search in the path if the path contains + something that is not a directory.</p> + <p> + Own Id: OTP-14191</p> + </item> + <item> + <p>Two OTP processes that are known to receive many + messages are 'rex' (used by 'rpc') and 'error_logger'. + Those processes will now store unprocessed messages + outside the process heap, which will potentially decrease + the cost of garbage collections.</p> + <p> + Own Id: OTP-14192</p> + </item> + </list> + </section> + +</section> + +<section><title>Kernel 5.1.1</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + <c>code:add_pathsa/1</c> and command line option + <c>-pa</c> both revert the given list of directories when + adding it at the beginning of the code path. This is now + documented.</p> + <p> + Own Id: OTP-13920 Aux Id: ERL-267 </p> + </item> + <item> + <p> + Add lost runtime dependency to erts-8.1. This should have + been done in kernel-5.1 (OTP-19.1) as it cannot run + without at least erts-8.1 (OTP-19.1).</p> + <p> + Own Id: OTP-14003</p> + </item> + <item> + <p> + Type and doc for gen_{tcp,udp,sctp}:controlling_process/2 + has been improved.</p> + <p> + Own Id: OTP-14022 Aux Id: PR-1208 </p> + </item> + </list> + </section> + +</section> + +<section><title>Kernel 5.1</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Fix a memory leak when calling + seq_trace:get_system_tracer().</p> + <p> + Own Id: OTP-13742</p> + </item> + <item> + <p> + Fix for the problem that when adding the ebin directory + of an application to the code path, the + <c>code:priv_dir/1</c> function returns an incorrect path + to the priv directory of the same application.</p> + <p> + Own Id: OTP-13758 Aux Id: ERL-195 </p> + </item> + <item> + <p> + Fix code_server crash when adding code paths of two + levels.</p> + <p> + Own Id: OTP-13765 Aux Id: ERL-194 </p> + </item> + <item> + <p> + Respect -proto_dist switch while connection to EPMD</p> + <p> + Own Id: OTP-13770 Aux Id: PR-1129 </p> + </item> + <item> + <p> + Fixed a bug where init:stop could deadlock if a process + with infinite shutdown timeout (e.g. a supervisor) + attempted to load code while terminating.</p> + <p> + Own Id: OTP-13802</p> + </item> + <item> + <p> + Close stdin of commands run in os:cmd. This is a + backwards compatibility fix that restores the behaviour of + pre 19.0 os:cmd.</p> + <p> + Own Id: OTP-13867 Aux Id: seq13178 </p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + Add <c>net_kernel:setopts/2</c> and + <c>net_kernel:getopts/2</c> to control options for + distribution sockets in runtime.</p> + <p> + Own Id: OTP-13564</p> + </item> + <item> + <p> + Rudimentary support for DSCP has been implemented + in the guise of a <c>tclass</c> socket option + for IPv6 sockets.</p> + <p> + Own Id: OTP-13582</p> + </item> + </list> + </section> + +</section> + +<section><title>Kernel 5.0.2</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + When calling os:cmd from a process that has set trap_exit + to true an 'EXIT' message would be left in the message + queue. This bug was introduced in kernel vsn 5.0.1.</p> + <p> + Own Id: OTP-13813</p> + </item> + </list> + </section> + +</section> + +<section><title>Kernel 5.0.1</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Fix a os:cmd bug where creating a background job using + & would cause os:cmd to hang until the background job + terminated or closed its stdout and stderr file + descriptors. This bug has existed from kernel 5.0.</p> + <p> + Own Id: OTP-13741</p> + </item> + </list> + </section> + +</section> + <section><title>Kernel 5.0</title> <section><title>Fixed Bugs and Malfunctions</title> @@ -1309,7 +1647,7 @@ 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> @@ -3447,7 +3785,7 @@ types (for instance, <c>ensure_loaded/1</c> now only accepts an atom as documented; it used to accept a string too).</p> - <p><c>Dialyzer</c> will generally emit warnings for any + <p>Dialyzer will generally emit warnings for any calls that use undocumented argument types. Even if the call happens to still work in R12B, you should correct your code. A future release will adhere to the diff --git a/lib/kernel/doc/src/os.xml b/lib/kernel/doc/src/os.xml index 739ac35d2a..0e9add4161 100644 --- a/lib/kernel/doc/src/os.xml +++ b/lib/kernel/doc/src/os.xml @@ -4,14 +4,14 @@ <erlref> <header> <copyright> - <year>1997</year><year>2016</year> + <year>1997</year><year>2017</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> 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 @@ -19,7 +19,7 @@ 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. - + </legalnotice> <title>os</title> @@ -156,6 +156,33 @@ DirOut = os:cmd("dir"), % on Win32 platform</code> </func> <func> + <name name="set_signal" arity="2"/> + <fsummary>Enables or disables handling of OS signals.</fsummary> + <desc> + <p>Enables or disables OS signals.</p> + <p>Each signal my be set to one of the following options:</p> + <taglist> + <tag><c>ignore</c></tag> + <item> + This signal will be ignored. + </item> + + <tag><c>default</c></tag> + <item> + This signal will use the default signal handler for the operating system. + </item> + + <tag><c>handle</c></tag> + <item> + This signal will notify + <seealso marker="kernel_app#erl_signal_server"><c>erl_signal_server</c></seealso> + when it is received by the Erlang runtime system. + </item> + </taglist> + </desc> + </func> + + <func> <name name="system_time" arity="0"/> <fsummary>Current OS system time.</fsummary> <desc> @@ -296,4 +323,3 @@ calendar:now_to_universal_time(TS), </func> </funcs> </erlref> - diff --git a/lib/kernel/doc/src/rpc.xml b/lib/kernel/doc/src/rpc.xml index 8cad9fe4fc..adec2d9520 100644 --- a/lib/kernel/doc/src/rpc.xml +++ b/lib/kernel/doc/src/rpc.xml @@ -88,6 +88,12 @@ to retrieve the value of evaluating <c>apply(<anno>Module</anno>, <anno>Function</anno>, <anno>Args</anno>)</c> on node <c><anno>Node</anno></c>.</p> + <note> + <p><seealso marker="#yield/1"><c>yield/1</c></seealso> and + <seealso marker="#nb_yield/1"><c>nb_yield/1,2</c></seealso> + must be called by the same process from which this function + was made otherwise they will never yield correctly.</p> + </note> </desc> </func> @@ -299,6 +305,11 @@ the tuple <c>{value, <anno>Val</anno>}</c> when the computation is finished, or <c>timeout</c> when <c><anno>Timeout</anno></c> milliseconds has elapsed.</p> + <note> + <p>This function must be called by the same process from which + <seealso marker="#async_call/4"><c>async_call/4</c></seealso> + was made otherwise it will only return <c>timeout</c>.</p> + </note> </desc> </func> @@ -320,7 +331,7 @@ <fsummary>Information about a process.</fsummary> <desc> <p>Location transparent version of the BIF - <seealso marker="erts:erlang#process_info/1"><c>erlang:process_info/1</c></seealso> in <c>ERTS</c>.</p> + <seealso marker="erts:erlang#process_info/1"><c>erlang:process_info/1</c></seealso> in ERTS.</p> </desc> </func> @@ -330,7 +341,7 @@ <fsummary>Information about a process.</fsummary> <desc> <p>Location transparent version of the BIF - <seealso marker="erts:erlang#process_info/2"><c>erlang:process_info/2</c></seealso> in <c>ERTS</c>.</p> + <seealso marker="erts:erlang#process_info/2"><c>erlang:process_info/2</c></seealso> in ERTS.</p> </desc> </func> @@ -407,6 +418,11 @@ If the answer is available, it is returned immediately. Otherwise, the calling process is suspended until the answer arrives from <c>Node</c>.</p> + <note> + <p>This function must be called by the same process from which + <seealso marker="#async_call/4"><c>async_call/4</c></seealso> + was made otherwise it will never return.</p> + </note> </desc> </func> </funcs> diff --git a/lib/kernel/doc/src/seq_trace.xml b/lib/kernel/doc/src/seq_trace.xml index 5ac199b6a7..197851021f 100644 --- a/lib/kernel/doc/src/seq_trace.xml +++ b/lib/kernel/doc/src/seq_trace.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>1998</year><year>2016</year> + <year>1998</year><year>2017</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -129,7 +129,7 @@ seq_trace:set_token(OldToken), % activate the trace token again <seealso marker="erts:time_correction#Erlang_Monotonic_Time">Erlang monotonic time</seealso> and a monotonically increasing integer. The time-stamp has the same format and value - as produced by <c>{erlang:monotonic_time(nano_seconds), + as produced by <c>{erlang:monotonic_time(nanosecond), erlang:unique_integer([monotonic])}</c>.</p> </item> <tag><c>set_token(monotonic_timestamp, <anno>Bool</anno>)</c></tag> @@ -141,7 +141,7 @@ seq_trace:set_token(OldToken), % activate the trace token again <seealso marker="erts:time_correction#Erlang_Monotonic_Time">Erlang monotonic time</seealso>. The time-stamp has the same format and value as produced by - <c>erlang:monotonic_time(nano_seconds)</c>.</p> + <c>erlang:monotonic_time(nanosecond)</c>.</p> </item> </taglist> <p>If multiple timestamp flags are passed, <c>timestamp</c> has @@ -427,12 +427,6 @@ prev_cnt := tcurr</code> built with <c>Erl_Interface</c> only maintains one trace token, which means that the C-node appears as one process from the sequential tracing point of view.</p> - <p>To be able to perform sequential tracing between - distributed Erlang nodes, the distribution protocol has been - extended (in a backward compatible way). An Erlang node - supporting sequential tracing can communicate with an older - (Erlang/OTP R3B) node but messages passed within that node can - not be traced.</p> </section> <section> diff --git a/lib/kernel/doc/src/zlib_stub.xml b/lib/kernel/doc/src/zlib_stub.xml index b111581b10..9ab9c4eb62 100644 --- a/lib/kernel/doc/src/zlib_stub.xml +++ b/lib/kernel/doc/src/zlib_stub.xml @@ -34,6 +34,6 @@ <modulesummary>Zlib compression interface.</modulesummary> <description> <p>This module is moved to the - <seealso marker="erts:zlib"><c>ERTS</c></seealso> application.</p> + <seealso marker="erts:zlib">ERTS</seealso> application.</p> </description> </erlref> diff --git a/lib/kernel/include/dist_util.hrl b/lib/kernel/include/dist_util.hrl index 43e50d4325..e3d2fe0eb6 100644 --- a/lib/kernel/include/dist_util.hrl +++ b/lib/kernel/include/dist_util.hrl @@ -29,7 +29,7 @@ -endif. -ifdef(dist_trace). --define(trace(Fmt,Args), io:format("~p ~p:~s",[erlang:now(),node(),lists:flatten(io_lib:format(Fmt, Args))])). +-define(trace(Fmt,Args), io:format("~p ~p:~s",[erlang:timestamp(),node(),lists:flatten(io_lib:format(Fmt, Args))])). % Use the one below for config-file (early boot) connection tracing %-define(trace(Fmt,Args), erlang:display([erlang:now(),node(),lists:flatten(io_lib:format(Fmt, Args))])). -define(trace_factor,8). @@ -63,7 +63,7 @@ f_getll, %% Get low level port or pid. f_address, %% The address of the "socket", %% generated from Socket,Node - %% These two are used in the tick loop, + %% These three are used in the tick loop, %% so they are not fun's to avoid holding old code. mf_tick, %% Takes the socket as parameters and %% sends a tick, this is no fun, it @@ -74,7 +74,11 @@ %% {ok, RecvCnt, SendCnt, SendPend} for %% a given socket. This is a {M,F}, %% returning {error, Reason on failure} - request_type = normal + request_type = normal, + + %% New in kernel-5.1 (OTP 19.1): + mf_setopts, %% netkernel:setopts on active connection + mf_getopts %% netkernel:getopts on active connection }). diff --git a/lib/kernel/include/inet.hrl b/lib/kernel/include/inet.hrl index b39df8c3f2..daa2e14b46 100644 --- a/lib/kernel/include/inet.hrl +++ b/lib/kernel/include/inet.hrl @@ -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. @@ -22,7 +22,7 @@ -record(hostent, { - h_name :: inet:hostname(), %% offical name of host + h_name :: inet:hostname(), %% official name of host h_aliases = [] :: [inet:hostname()], %% alias list h_addrtype :: 'inet' | 'inet6', %% host address type h_length :: non_neg_integer(), %% length of address diff --git a/lib/kernel/src/Makefile b/lib/kernel/src/Makefile index 2b72f78dcf..5946620f0f 100644 --- a/lib/kernel/src/Makefile +++ b/lib/kernel/src/Makefile @@ -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. @@ -71,6 +71,7 @@ MODULES = \ erl_distribution \ erl_epmd \ erl_reply \ + erl_signal_handler \ erts_debug \ error_handler \ error_logger \ @@ -84,6 +85,7 @@ MODULES = \ global_group \ global_search \ group \ + group_history \ heart \ hipe_unified_loader \ inet \ diff --git a/lib/kernel/src/application_controller.erl b/lib/kernel/src/application_controller.erl index 0e61153613..3b642f5873 100644 --- a/lib/kernel/src/application_controller.erl +++ b/lib/kernel/src/application_controller.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. @@ -1620,7 +1620,7 @@ conv(_) -> []. make_term(Str) -> case erl_scan:string(Str) of {ok, Tokens, _} -> - case erl_parse:parse_term(Tokens ++ [{dot, 1}]) of + case erl_parse:parse_term(Tokens ++ [{dot, erl_anno:new(1)}]) of {ok, Term} -> Term; {error, {_,M,Reason}} -> diff --git a/lib/kernel/src/code.erl b/lib/kernel/src/code.erl index 8d0a2fbf66..9969021a6c 100644 --- a/lib/kernel/src/code.erl +++ b/lib/kernel/src/code.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. @@ -70,7 +70,9 @@ where_is_file/2, set_primary_archive/4, clash/0, - get_mode/0]). + module_status/1, + modified_modules/0, + get_mode/0]). -deprecated({rehash,0,next_major_release}). @@ -116,8 +118,8 @@ get_chunk(_, _) -> is_module_native(_) -> erlang:nif_error(undef). --spec make_stub_module(Module, Beam, Info) -> Module when - Module :: module(), +-spec make_stub_module(LoaderState, Beam, Info) -> module() when + LoaderState :: binary(), Beam :: binary(), Info :: {list(), list(), binary()}. @@ -487,13 +489,13 @@ prepare_check_uniq_1([], [_|_]=Errors) -> {error,Errors}. partition_on_load(Prep) -> - P = fun({_,{Bin,_,_}}) -> - erlang:has_prepared_code_on_load(Bin) + P = fun({_,{PC,_,_}}) -> + erlang:has_prepared_code_on_load(PC) end, lists:partition(P, Prep). verify_prepared([{M,{Prep,Name,_Native}}|T]) - when is_atom(M), is_binary(Prep), is_list(Name) -> + when is_atom(M), is_list(Name) -> try erlang:has_prepared_code_on_load(Prep) of false -> verify_prepared(T); @@ -560,10 +562,10 @@ prepare_loading_fun() -> GetNative = get_native_fun(), fun(Mod, FullName, Beam) -> case erlang:prepare_loading(Mod, Beam) of - Prepared when is_binary(Prepared) -> - {ok,{Prepared,FullName,GetNative(Beam)}}; {error,_}=Error -> - Error + Error; + Prepared -> + {ok,{Prepared,FullName,GetNative(Beam)}} end end. @@ -719,38 +721,14 @@ start_get_mode() -> which(Module) when is_atom(Module) -> case is_loaded(Module) of false -> - which2(Module); + which(Module, get_path()); {file, File} -> File end. -which2(Module) -> - Base = atom_to_list(Module), - File = filename:basename(Base) ++ objfile_extension(), - Path = get_path(), - which(File, filename:dirname(Base), Path). - --spec which(file:filename(), file:filename(), [file:filename()]) -> - 'non_existing' | file:filename(). - -which(_, _, []) -> - non_existing; -which(File, Base, [Directory|Tail]) -> - Path = if - Base =:= "." -> Directory; - true -> filename:join(Directory, Base) - end, - case erl_prim_loader:list_dir(Path) of - {ok,Files} -> - case lists:member(File,Files) of - true -> - filename:append(Path, File); - false -> - which(File, Base, Tail) - end; - _Error -> - which(File, Base, Tail) - end. +which(Module, Path) when is_atom(Module) -> + File = atom_to_list(Module) ++ objfile_extension(), + where_is_file(Path, File). %% Search the code path for a specific file. Try to locate %% it in the code path cache if possible. @@ -760,13 +738,33 @@ which(File, Base, [Directory|Tail]) -> Absname :: file:filename(). where_is_file(File) when is_list(File) -> Path = get_path(), - which(File, ".", Path). + where_is_file(Path, File). --spec where_is_file(Path :: file:filename(), Filename :: file:filename()) -> - file:filename() | 'non_existing'. +%% To avoid unnecessary work when looking at many modules, this also +%% accepts pairs of directories and pre-fetched contents in the path +-spec where_is_file(Path :: [Dir|{Dir,Files}], Filename :: file:filename()) -> + 'non_existing' | file:filename() when + Dir :: file:filename(), Files :: [file:filename()]. -where_is_file(Path, File) when is_list(Path), is_list(File) -> - which(File, ".", Path). +where_is_file([], _) -> + non_existing; +where_is_file([{Path, Files}|Tail], File) -> + where_is_file(Tail, File, Path, Files); +where_is_file([Path|Tail], File) -> + case erl_prim_loader:list_dir(Path) of + {ok,Files} -> + where_is_file(Tail, File, Path, Files); + _Error -> + where_is_file(Tail, File) + end. + +where_is_file(Tail, File, Path, Files) -> + case lists:member(File, Files) of + true -> + filename:append(Path, File); + false -> + where_is_file(Tail, File) + end. -spec set_primary_archive(ArchiveFile :: file:filename(), ArchiveBin :: binary(), @@ -899,3 +897,97 @@ load_all_native_1([{Mod,BeamFilename}|T], ChunkTag) -> load_all_native_1(T, ChunkTag); load_all_native_1([], _) -> ok. + +%% Returns the status of the module in relation to object file on disk. +-spec module_status(Module :: module()) -> not_loaded | loaded | modified | removed. +module_status(Module) -> + module_status(Module, code:get_path()). + +%% Note that we don't want to go via which/1, since it doesn't look at the +%% disk contents at all if the module is already loaded. +module_status(Module, PathFiles) -> + case code:is_loaded(Module) of + false -> not_loaded; + {file, preloaded} -> loaded; + {file, cover_compiled} -> + %% cover compilation loads directly to memory and does not + %% create a beam file, so report 'modified' if a file exists + case which(Module, PathFiles) of + non_existing -> removed; + _File -> modified + end; + {file, []} -> loaded; % no beam file - generated code + {file, OldFile} when is_list(OldFile) -> + %% we don't care whether or not the file is in the same location + %% as when last loaded, as long as it can be found in the path + case which(Module, PathFiles) of + non_existing -> removed; + Path -> + case module_changed_on_disk(Module, Path) of + true -> modified; + false -> loaded + end + end + end. + +%% Detects actual code changes only, e.g. to decide whether a module should +%% be reloaded; does not care about file timestamps or compilation time +module_changed_on_disk(Module, Path) -> + MD5 = erlang:get_module_info(Module, md5), + case erlang:system_info(hipe_architecture) of + undefined -> + %% straightforward, since native is not supported + MD5 =/= beam_file_md5(Path); + Architecture -> + case code:is_module_native(Module) of + true -> + %% MD5 is for native code, so we check only the native + %% code on disk, ignoring the beam code + MD5 =/= beam_file_native_md5(Path, Architecture); + _ -> + %% MD5 is for beam code, so check only the beam code on + %% disk, even if the file contains native code as well + MD5 =/= beam_file_md5(Path) + end + end. + +beam_file_md5(Path) -> + case beam_lib:md5(Path) of + {ok,{_Mod,MD5}} -> MD5; + _ -> undefined + end. + +beam_file_native_md5(Path, Architecture) -> + try + get_beam_chunk(Path, hipe_unified_loader:chunk_name(Architecture)) + of + NativeCode when is_binary(NativeCode) -> + erlang:md5(NativeCode) + catch + _:_ -> undefined + end. + +get_beam_chunk(Path, Chunk) -> + {ok, {_, [{_, Bin}]}} = beam_lib:chunks(Path, [Chunk]), + Bin. + +%% Returns a list of all modules modified on disk. +-spec modified_modules() -> [module()]. +modified_modules() -> + PathFiles = path_files(), + [M || {M, _} <- code:all_loaded(), + module_status(M, PathFiles) =:= modified]. + +%% prefetch the directory contents of code path directories +path_files() -> + path_files(code:get_path()). + +path_files([]) -> + []; +path_files([Path|Tail]) -> + case erl_prim_loader:list_dir(Path) of + {ok, Files} -> + [{Path,Files} | path_files(Tail)]; + _Error -> + path_files(Tail) + end. diff --git a/lib/kernel/src/code_server.erl b/lib/kernel/src/code_server.erl index 6174136507..418b0c50e1 100644 --- a/lib/kernel/src/code_server.erl +++ b/lib/kernel/src/code_server.erl @@ -135,10 +135,14 @@ split_paths([], _S, Path, Paths) -> -spec call(term()) -> term(). call(Req) -> + Ref = erlang:monitor(process, ?MODULE), ?MODULE ! {code_call, self(), Req}, receive {?MODULE, Reply} -> - Reply + erlang:demonitor(Ref,[flush]), + Reply; + {'DOWN',Ref,process,_,_} -> + exit({'DOWN',code_server,Req}) end. reply(Pid, Res) -> @@ -807,7 +811,13 @@ clear_namedb([], _) -> %% Dir must be a complete pathname (not only a name). insert_dir(Dir, Db) -> Splitted = filename:split(Dir), - Name = get_name_from_splitted(Splitted), + case get_name_from_splitted(Splitted) of + Name when Name /= "ebin", Name /= "." -> + Name; + _ -> + SplittedAbsName = filename:split(absname(Dir)), + Name = get_name_from_splitted(SplittedAbsName) + end, AppDir = filename:join(del_ebin_1(Splitted)), do_insert_name(Name, AppDir, Db). @@ -933,15 +943,25 @@ del_ebin(Dir) -> filename:join(del_ebin_1(filename:split(Dir))). del_ebin_1([Parent,App,"ebin"]) -> - Ext = archive_extension(), - case filename:basename(Parent, Ext) of - Parent -> - %% Plain directory. + case filename:basename(Parent) of + [] -> + %% Parent is the root directory [Parent,App]; - Archive -> - %% Archive. - [Archive] + _ -> + Ext = archive_extension(), + case filename:basename(Parent, Ext) of + Parent -> + %% Plain directory. + [Parent,App]; + Archive -> + %% Archive. + [Archive] + end end; +del_ebin_1(Path = [_App,"ebin"]) -> + del_ebin_1(filename:split(absname(filename:join(Path)))); +del_ebin_1(["ebin"]) -> + del_ebin_1(filename:split(absname("ebin"))); del_ebin_1([H|T]) -> [H|del_ebin_1(T)]; del_ebin_1([]) -> @@ -1110,19 +1130,18 @@ try_load_module_2(File, Mod, Bin, From, Architecture, #state{moddb=Db}=St) -> case catch hipe_unified_loader:load_native_code(Mod, Bin, Architecture) of {module,Mod} = Module -> - ets:insert(Db, [{{native,Mod},true},{Mod,File}]), + ets:insert(Db, {Mod,File}), {reply,Module,St}; no_native -> try_load_module_3(File, Mod, Bin, From, Architecture, St); Error -> error_msg("Native loading of ~ts failed: ~p\n", [File,Error]), - {reply,ok,St} + {reply,{error,Error},St} end. -try_load_module_3(File, Mod, Bin, From, Architecture, St0) -> +try_load_module_3(File, Mod, Bin, From, _Architecture, St0) -> Action = fun({module,_}=Module, #state{moddb=Db}=S) -> ets:insert(Db, {Mod,File}), - post_beam_load([Mod], Architecture, S), {reply,Module,S}; ({error,on_load_failure}=Error, S) -> {reply,Error,S}; @@ -1133,24 +1152,14 @@ try_load_module_3(File, Mod, Bin, From, Architecture, St0) -> Res = erlang:load_module(Mod, Bin), handle_on_load(Res, Action, Mod, From, St0). -hipe_result_to_status(Result, #state{moddb=Db}) -> +hipe_result_to_status(Result, #state{}) -> case Result of - {module,Mod} -> - ets:insert(Db, [{{native,Mod},true}]), + {module,_} -> Result; _ -> {error,Result} end. -post_beam_load(_, undefined, _) -> - %% HiPE is disabled. - ok; -post_beam_load(Mods0, _Architecture, #state{moddb=Db}) -> - %% post_beam_load/2 can potentially be very expensive because it - %% blocks multi-scheduling. Therefore, we only want to call - %% it with modules that are known to have native code loaded. - Mods = [M || M <- Mods0, ets:member(Db, {native,M})], - hipe_unified_loader:post_beam_load(Mods). int_list([H|T]) when is_integer(H) -> int_list(T); int_list([_|_]) -> false; @@ -1293,15 +1302,12 @@ abort_if_sticky(L, Db) -> [_|_] -> {error,Sticky} end. -do_finish_loading(Prepared, #state{moddb=Db}=St) -> +do_finish_loading(Prepared, #state{moddb=Db}) -> MagicBins = [B || {_,{B,_}} <- Prepared], case erlang:finish_loading(MagicBins) of ok -> MFs = [{M,F} || {M,{_,F}} <- Prepared], true = ets:insert(Db, MFs), - Ms = [M || {M,_} <- MFs], - Architecture = erlang:system_info(hipe_architecture), - post_beam_load(Ms, Architecture, St), ok; {Reason,Ms} -> {error,[{M,Reason} || M <- Ms]} @@ -1372,11 +1378,10 @@ finish_on_load(PidRef, OnLoadRes, #state{on_load=OnLoad0}=St0) -> finish_on_load_1(Mod, OnLoadRes, Waiting, St) -> Keep = OnLoadRes =:= ok, - erlang:finish_after_on_load(Mod, Keep), + erts_code_purger:finish_after_on_load(Mod, Keep), Res = case Keep of false -> _ = finish_on_load_report(Mod, OnLoadRes), - _ = erts_code_purger:purge(Mod), {error,on_load_failure}; true -> {module,Mod} @@ -1404,7 +1409,7 @@ finish_on_load_report(Mod, Term) -> %% from the code_server process. spawn(fun() -> F = "The on_load function for module " - "~s returned ~P\n", + "~s returned:~n~P\n", %% Express the call as an apply to simplify %% the ext_mod_dep/1 test case. diff --git a/lib/kernel/src/disk_log.erl b/lib/kernel/src/disk_log.erl index 9b44021872..70cbf1c87c 100644 --- a/lib/kernel/src/disk_log.erl +++ b/lib/kernel/src/disk_log.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2015. 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. @@ -67,7 +67,7 @@ %%-define(PROFILE(C), C). -define(PROFILE(C), void). --compile({inline,[{log_loop,5},{log_end_sync,2},{replies,2},{rflat,1}]}). +-compile({inline,[{log_loop,6},{log_end_sync,2},{replies,2},{rflat,1}]}). %%%---------------------------------------------------------------------- %%% Contract type specifications @@ -75,8 +75,6 @@ -opaque continuation() :: #continuation{}. --type bytes() :: binary() | [byte()]. - -type file_error() :: term(). % XXX: refine -type invalid_header() :: term(). % XXX: refine @@ -127,28 +125,28 @@ open(A) -> Log :: log(), Term :: term(). log(Log, Term) -> - req(Log, {log, term_to_binary(Term)}). + req(Log, {log, internal, [term_to_binary(Term)]}). -spec blog(Log, Bytes) -> ok | {error, Reason :: log_error_rsn()} when Log :: log(), - Bytes :: bytes(). + Bytes :: iodata(). blog(Log, Bytes) -> - req(Log, {blog, check_bytes(Bytes)}). + req(Log, {log, external, [ensure_binary(Bytes)]}). -spec log_terms(Log, TermList) -> ok | {error, Resaon :: log_error_rsn()} when Log :: log(), TermList :: [term()]. log_terms(Log, Terms) -> Bs = terms2bins(Terms), - req(Log, {log, Bs}). + req(Log, {log, internal, Bs}). -spec blog_terms(Log, BytesList) -> ok | {error, Reason :: log_error_rsn()} when Log :: log(), - BytesList :: [bytes()]. + BytesList :: [iodata()]. blog_terms(Log, Bytess) -> - Bs = check_bytes_list(Bytess, Bytess), - req(Log, {blog, Bs}). + Bs = ensure_binary_list(Bytess), + req(Log, {log, external, Bs}). -type notify_ret() :: 'ok' | {'error', 'no_such_log'}. @@ -156,27 +154,27 @@ blog_terms(Log, Bytess) -> Log :: log(), Term :: term(). alog(Log, Term) -> - notify(Log, {alog, term_to_binary(Term)}). + notify(Log, {alog, internal, [term_to_binary(Term)]}). -spec alog_terms(Log, TermList) -> notify_ret() when Log :: log(), TermList :: [term()]. alog_terms(Log, Terms) -> Bs = terms2bins(Terms), - notify(Log, {alog, Bs}). + notify(Log, {alog, internal, Bs}). -spec balog(Log, Bytes) -> notify_ret() when Log :: log(), - Bytes :: bytes(). + Bytes :: iodata(). balog(Log, Bytes) -> - notify(Log, {balog, check_bytes(Bytes)}). + notify(Log, {alog, external, [ensure_binary(Bytes)]}). -spec balog_terms(Log, ByteList) -> notify_ret() when Log :: log(), - ByteList :: [bytes()]. + ByteList :: [iodata()]. balog_terms(Log, Bytess) -> - Bs = check_bytes_list(Bytess, Bytess), - notify(Log, {balog, Bs}). + Bs = ensure_binary_list(Bytess), + notify(Log, {alog, external, Bs}). -type close_error_rsn() ::'no_such_log' | 'nonode' | {'file_error', file:filename(), file_error()}. @@ -219,9 +217,9 @@ truncate(Log, Head) -> -spec btruncate(Log, BHead) -> 'ok' | {'error', trunc_error_rsn()} when Log :: log(), - BHead :: bytes(). + BHead :: iodata(). btruncate(Log, Head) -> - req(Log, {truncate, {ok, check_bytes(Head)}, btruncate, 2}). + req(Log, {truncate, {ok, ensure_binary(Head)}, btruncate, 2}). -type reopen_error_rsn() :: no_such_log | nonode @@ -248,9 +246,9 @@ reopen(Log, NewFile, NewHead) -> -spec breopen(Log, File, BHead) -> 'ok' | {'error', reopen_error_rsn()} when Log :: log(), File :: file:filename(), - BHead :: bytes(). + BHead :: iodata(). breopen(Log, NewFile, NewHead) -> - req(Log, {reopen, NewFile, {ok, check_bytes(NewHead)}, breopen, 3}). + req(Log, {reopen, NewFile, {ok, ensure_binary(NewHead)}, breopen, 3}). -type inc_wrap_error_rsn() :: 'no_such_log' | 'nonode' | {'read_only_mode', log()} @@ -640,6 +638,8 @@ check_arg([{mode, read_only}|Tail], Res) -> check_arg(Tail, Res#arg{mode = read_only}); check_arg([{mode, read_write}|Tail], Res) -> check_arg(Tail, Res#arg{mode = read_write}); +check_arg([{quiet, Boolean}|Tail], Res) when is_boolean(Boolean) -> + check_arg(Tail, Res#arg{quiet = Boolean}); check_arg(Arg, _) -> {error, {badarg, Arg}}. @@ -670,13 +670,12 @@ init(Parent, Server) -> process_flag(trap_exit, true), loop(#state{parent = Parent, server = Server}). -loop(State) when State#state.messages =:= [] -> +loop(#state{messages = []}=State) -> receive Message -> handle(Message, State) end; -loop(State) -> - [M | Ms] = State#state.messages, +loop(#state{messages = [M | Ms]}=State) -> handle(M, State#state{messages = Ms}). handle({From, write_cache}, S) when From =:= self() -> @@ -686,106 +685,79 @@ handle({From, write_cache}, S) when From =:= self() -> Error -> loop(S#state{cache_error = Error}) end; -handle({From, {log, B}}, S) -> +handle({From, {log, Format, B}}=Message, S) -> case get(log) of - L when L#log.mode =:= read_only -> + #log{mode = read_only}=L -> reply(From, {error, {read_only_mode, L#log.name}}, S); - L when L#log.status =:= ok, L#log.format =:= internal -> - log_loop(S, From, [B], [], iolist_size(B)); - L when L#log.status =:= ok, L#log.format =:= external -> + #log{status = ok, format=external}=L when Format =:= internal -> reply(From, {error, {format_external, L#log.name}}, S); - L when L#log.status =:= {blocked, false} -> - reply(From, {error, {blocked_log, L#log.name}}, S); - L when L#log.blocked_by =:= From -> - reply(From, {error, {blocked_log, L#log.name}}, S); - _ -> - loop(S#state{queue = [{From, {log, B}} | S#state.queue]}) - end; -handle({From, {blog, B}}, S) -> - case get(log) of - L when L#log.mode =:= read_only -> - reply(From, {error, {read_only_mode, L#log.name}}, S); - L when L#log.status =:= ok -> - log_loop(S, From, [B], [], iolist_size(B)); - L when L#log.status =:= {blocked, false} -> + #log{status = ok, format=LogFormat} -> + log_loop(S, From, [B], [], iolist_size(B), LogFormat); + #log{status = {blocked, false}}=L -> reply(From, {error, {blocked_log, L#log.name}}, S); - L when L#log.blocked_by =:= From -> + #log{blocked_by = From}=L -> reply(From, {error, {blocked_log, L#log.name}}, S); _ -> - loop(S#state{queue = [{From, {blog, B}} | S#state.queue]}) + enqueue(Message, S) end; -handle({alog, B}, S) -> +handle({alog, Format, B}=Message, S) -> case get(log) of - L when L#log.mode =:= read_only -> + #log{mode = read_only} -> notify_owners({read_only,B}), loop(S); - L when L#log.status =:= ok, L#log.format =:= internal -> - log_loop(S, [], [B], [], iolist_size(B)); - L when L#log.status =:= ok -> + #log{status = ok, format = external} when Format =:= internal -> notify_owners({format_external, B}), loop(S); - L when L#log.status =:= {blocked, false} -> + #log{status = ok, format=LogFormat} -> + log_loop(S, [], [B], [], iolist_size(B), LogFormat); + #log{status = {blocked, false}} -> notify_owners({blocked_log, B}), loop(S); _ -> - loop(S#state{queue = [{alog, B} | S#state.queue]}) + enqueue(Message, S) end; -handle({balog, B}, S) -> +handle({From, {block, QueueLogRecs}}=Message, S) -> case get(log) of - L when L#log.mode =:= read_only -> - notify_owners({read_only,B}), - loop(S); - L when L#log.status =:= ok -> - log_loop(S, [], [B], [], iolist_size(B)); - L when L#log.status =:= {blocked, false} -> - notify_owners({blocked_log, B}), - loop(S); - _ -> - loop(S#state{queue = [{balog, B} | S#state.queue]}) - end; -handle({From, {block, QueueLogRecs}}, S) -> - case get(log) of - L when L#log.status =:= ok -> + #log{status = ok}=L -> do_block(From, QueueLogRecs, L), reply(From, ok, S); - L when L#log.status =:= {blocked, false} -> + #log{status = {blocked, false}}=L -> reply(From, {error, {blocked_log, L#log.name}}, S); - L when L#log.blocked_by =:= From -> + #log{blocked_by = From}=L -> reply(From, {error, {blocked_log, L#log.name}}, S); _ -> - loop(S#state{queue = [{From, {block, QueueLogRecs}} | - S#state.queue]}) + enqueue(Message, S) end; handle({From, unblock}, S) -> case get(log) of - L when L#log.status =:= ok -> + #log{status = ok}=L -> reply(From, {error, {not_blocked, L#log.name}}, S); - L when L#log.blocked_by =:= From -> + #log{blocked_by = From}=L -> S2 = do_unblock(L, S), reply(From, ok, S2); L -> reply(From, {error, {not_blocked_by_pid, L#log.name}}, S) end; -handle({From, sync}, S) -> +handle({From, sync}=Message, S) -> case get(log) of - L when L#log.mode =:= read_only -> + #log{mode = read_only}=L -> reply(From, {error, {read_only_mode, L#log.name}}, S); - L when L#log.status =:= ok -> - sync_loop([From], S); - L when L#log.status =:= {blocked, false} -> + #log{status = ok, format=LogFormat} -> + log_loop(S, [], [], [From], 0, LogFormat); + #log{status = {blocked, false}}=L -> reply(From, {error, {blocked_log, L#log.name}}, S); - L when L#log.blocked_by =:= From -> + #log{blocked_by = From}=L -> reply(From, {error, {blocked_log, L#log.name}}, S); _ -> - loop(S#state{queue = [{From, sync} | S#state.queue]}) + enqueue(Message, S) end; -handle({From, {truncate, Head, F, A}}, S) -> +handle({From, {truncate, Head, F, A}}=Message, S) -> case get(log) of - L when L#log.mode =:= read_only -> + #log{mode = read_only}=L -> reply(From, {error, {read_only_mode, L#log.name}}, S); - L when L#log.status =:= ok, S#state.cache_error =/= ok -> + #log{status = ok} when S#state.cache_error =/= ok -> loop(cache_error(S, [From])); - L when L#log.status =:= ok -> + #log{status = ok}=L -> H = merge_head(Head, L#log.head), case catch do_trunc(L, H) of ok -> @@ -796,48 +768,46 @@ handle({From, {truncate, Head, F, A}}, S) -> Error -> do_exit(S, From, Error, ?failure(Error, F, A)) end; - L when L#log.status =:= {blocked, false} -> + #log{status = {blocked, false}}=L -> reply(From, {error, {blocked_log, L#log.name}}, S); - L when L#log.blocked_by =:= From -> + #log{blocked_by = From}=L -> reply(From, {error, {blocked_log, L#log.name}}, S); _ -> - loop(S#state{queue = [{From, {truncate, Head, F, A}} - | S#state.queue]}) + enqueue(Message, S) end; -handle({From, {chunk, Pos, B, N}}, S) -> +handle({From, {chunk, Pos, B, N}}=Message, S) -> case get(log) of - L when L#log.status =:= ok, S#state.cache_error =/= ok -> + #log{status = ok} when S#state.cache_error =/= ok -> loop(cache_error(S, [From])); - L when L#log.status =:= ok -> + #log{status = ok}=L -> R = do_chunk(L, Pos, B, N), reply(From, R, S); - L when L#log.blocked_by =:= From -> + #log{blocked_by = From}=L -> R = do_chunk(L, Pos, B, N), reply(From, R, S); - L when L#log.status =:= {blocked, false} -> + #log{status = {blocked, false}}=L -> reply(From, {error, {blocked_log, L#log.name}}, S); _L -> - loop(S#state{queue = [{From, {chunk, Pos, B, N}} | S#state.queue]}) + enqueue(Message, S) end; -handle({From, {chunk_step, Pos, N}}, S) -> +handle({From, {chunk_step, Pos, N}}=Message, S) -> case get(log) of - L when L#log.status =:= ok, S#state.cache_error =/= ok -> + #log{status = ok} when S#state.cache_error =/= ok -> loop(cache_error(S, [From])); - L when L#log.status =:= ok -> + #log{status = ok}=L -> R = do_chunk_step(L, Pos, N), reply(From, R, S); - L when L#log.blocked_by =:= From -> + #log{blocked_by = From}=L -> R = do_chunk_step(L, Pos, N), reply(From, R, S); - L when L#log.status =:= {blocked, false} -> + #log{status = {blocked, false}}=L -> reply(From, {error, {blocked_log, L#log.name}}, S); _ -> - loop(S#state{queue = [{From, {chunk_step, Pos, N}} - | S#state.queue]}) + enqueue(Message, S) end; -handle({From, {change_notify, Pid, NewNotify}}, S) -> +handle({From, {change_notify, Pid, NewNotify}}=Message, S) -> case get(log) of - L when L#log.status =:= ok -> + #log{status = ok}=L -> case do_change_notify(L, Pid, NewNotify) of {ok, L1} -> put(log, L1), @@ -845,39 +815,37 @@ handle({From, {change_notify, Pid, NewNotify}}, S) -> Error -> reply(From, Error, S) end; - L when L#log.status =:= {blocked, false} -> + #log{status = {blocked, false}}=L -> reply(From, {error, {blocked_log, L#log.name}}, S); - L when L#log.blocked_by =:= From -> + #log{blocked_by = From}=L -> reply(From, {error, {blocked_log, L#log.name}}, S); _ -> - loop(S#state{queue = [{From, {change_notify, Pid, NewNotify}} - | S#state.queue]}) + enqueue(Message, S) end; -handle({From, {change_header, NewHead}}, S) -> +handle({From, {change_header, NewHead}}=Message, S) -> case get(log) of - L when L#log.mode =:= read_only -> + #log{mode = read_only}=L -> reply(From, {error, {read_only_mode, L#log.name}}, S); - L when L#log.status =:= ok -> - case check_head(NewHead, L#log.format) of + #log{status = ok, format = Format}=L -> + case check_head(NewHead, Format) of {ok, Head} -> - put(log, L#log{head = mk_head(Head, L#log.format)}), + put(log, L#log{head = mk_head(Head, Format)}), reply(From, ok, S); Error -> reply(From, Error, S) end; - L when L#log.status =:= {blocked, false} -> + #log{status = {blocked, false}}=L -> reply(From, {error, {blocked_log, L#log.name}}, S); - L when L#log.blocked_by =:= From -> + #log{blocked_by = From}=L -> reply(From, {error, {blocked_log, L#log.name}}, S); _ -> - loop(S#state{queue = [{From, {change_header, NewHead}} - | S#state.queue]}) + enqueue(Message, S) end; -handle({From, {change_size, NewSize}}, S) -> +handle({From, {change_size, NewSize}}=Message, S) -> case get(log) of - L when L#log.mode =:= read_only -> + #log{mode = read_only}=L -> reply(From, {error, {read_only_mode, L#log.name}}, S); - L when L#log.status =:= ok -> + #log{status = ok}=L -> case check_size(L#log.type, NewSize) of ok -> case catch do_change_size(L, NewSize) of % does the put @@ -894,23 +862,22 @@ handle({From, {change_size, NewSize}}, S) -> not_ok -> reply(From, {error, {badarg, size}}, S) end; - L when L#log.status =:= {blocked, false} -> + #log{status = {blocked, false}}=L -> reply(From, {error, {blocked_log, L#log.name}}, S); - L when L#log.blocked_by =:= From -> + #log{blocked_by = From}=L -> reply(From, {error, {blocked_log, L#log.name}}, S); _ -> - loop(S#state{queue = [{From, {change_size, NewSize}} - | S#state.queue]}) + enqueue(Message, S) end; -handle({From, inc_wrap_file}, S) -> +handle({From, inc_wrap_file}=Message, S) -> case get(log) of - L when L#log.mode =:= read_only -> + #log{mode = read_only}=L -> reply(From, {error, {read_only_mode, L#log.name}}, S); - L when L#log.type =:= halt -> + #log{type = halt}=L -> reply(From, {error, {halt_log, L#log.name}}, S); - L when L#log.status =:= ok, S#state.cache_error =/= ok -> + #log{status = ok} when S#state.cache_error =/= ok -> loop(cache_error(S, [From])); - L when L#log.status =:= ok -> + #log{status = ok}=L -> case catch do_inc_wrap_file(L) of {ok, L2, Lost} -> put(log, L2), @@ -920,20 +887,22 @@ handle({From, inc_wrap_file}, S) -> put(log, L2), reply(From, Error, state_err(S, Error)) end; - L when L#log.status =:= {blocked, false} -> + #log{status = {blocked, false}}=L -> reply(From, {error, {blocked_log, L#log.name}}, S); - L when L#log.blocked_by =:= From -> + #log{blocked_by = From}=L -> reply(From, {error, {blocked_log, L#log.name}}, S); _ -> - loop(S#state{queue = [{From, inc_wrap_file} | S#state.queue]}) + enqueue(Message, S) end; handle({From, {reopen, NewFile, Head, F, A}}, S) -> case get(log) of - L when L#log.mode =:= read_only -> + #log{mode = read_only}=L -> reply(From, {error, {read_only_mode, L#log.name}}, S); - L when L#log.status =:= ok, S#state.cache_error =/= ok -> + #log{status = ok} when S#state.cache_error =/= ok -> loop(cache_error(S, [From])); - L when L#log.status =:= ok, L#log.filename =/= NewFile -> + #log{status = ok, filename = NewFile}=L -> + reply(From, {error, {same_file_name, L#log.name}}, S); + #log{status = ok}=L -> case catch close_disk_log2(L) of closed -> File = L#log.filename, @@ -966,8 +935,6 @@ handle({From, {reopen, NewFile, Head, F, A}}, S) -> Error -> do_exit(S, From, Error, ?failure(Error, F, A)) end; - L when L#log.status =:= ok -> - reply(From, {error, {same_file_name, L#log.name}}, S); L -> reply(From, {error, {blocked_log, L#log.name}}, S) end; @@ -1005,11 +972,11 @@ handle({From, close}, S) -> end; handle({From, info}, S) -> reply(From, do_info(get(log), S#state.cnt), S); -handle({'EXIT', From, Reason}, S) when From =:= S#state.parent -> +handle({'EXIT', From, Reason}, #state{parent=From}=S) -> %% Parent orders shutdown. _ = do_stop(S), exit(Reason); -handle({'EXIT', From, Reason}, S) when From =:= S#state.server -> +handle({'EXIT', From, Reason}, #state{server=From}=S) -> %% The server is gone. _ = do_stop(S), exit(Reason); @@ -1034,57 +1001,59 @@ handle({system, From, Req}, S) -> handle(_, S) -> loop(S). -sync_loop(From, S) -> - log_loop(S, [], [], From, 0). +enqueue(Message, #state{queue = Queue}=S) -> + loop(S#state{queue = [Message | Queue]}). + +%% Collect further log and sync requests already in the mailbox or queued -define(MAX_LOOK_AHEAD, 64*1024). %% Inlined. -log_loop(#state{cache_error = CE}=S, Pids, _Bins, _Sync, _Sz) when CE =/= ok -> +log_loop(#state{cache_error = CE}=S, Pids, _Bins, _Sync, _Sz, _F) when CE =/= ok -> loop(cache_error(S, Pids)); -log_loop(#state{}=S, Pids, Bins, Sync, Sz) when Sz > ?MAX_LOOK_AHEAD -> - loop(log_end(S, Pids, Bins, Sync)); -log_loop(#state{messages = []}=S, Pids, Bins, Sync, Sz) -> - receive +log_loop(#state{}=S, Pids, Bins, Sync, Sz, _F) when Sz > ?MAX_LOOK_AHEAD -> + loop(log_end(S, Pids, Bins, Sync, Sz)); +log_loop(#state{messages = []}=S, Pids, Bins, Sync, Sz, F) -> + receive Message -> - log_loop(Message, Pids, Bins, Sync, Sz, S, get(log)) + log_loop(Message, Pids, Bins, Sync, Sz, F, S) after 0 -> - loop(log_end(S, Pids, Bins, Sync)) + loop(log_end(S, Pids, Bins, Sync, Sz)) end; -log_loop(#state{messages = [M | Ms]}=S, Pids, Bins, Sync, Sz) -> +log_loop(#state{messages = [M | Ms]}=S, Pids, Bins, Sync, Sz, F) -> S1 = S#state{messages = Ms}, - log_loop(M, Pids, Bins, Sync, Sz, S1, get(log)). + log_loop(M, Pids, Bins, Sync, Sz, F, S1). %% Items logged after the last sync request found are sync:ed as well. -log_loop({alog,B}, Pids, Bins, Sync, Sz, S, #log{format = internal}) -> - %% {alog, _} allowed for the internal format only. - log_loop(S, Pids, [B | Bins], Sync, Sz+iolist_size(B)); -log_loop({balog, B}, Pids, Bins, Sync, Sz, S, _L) -> - log_loop(S, Pids, [B | Bins], Sync, Sz+iolist_size(B)); -log_loop({From, {log, B}}, Pids, Bins, Sync, Sz, S, #log{format = internal}) -> - %% {log, _} allowed for the internal format only. - log_loop(S, [From | Pids], [B | Bins], Sync, Sz+iolist_size(B)); -log_loop({From, {blog, B}}, Pids, Bins, Sync, Sz, S, _L) -> - log_loop(S, [From | Pids], [B | Bins], Sync, Sz+iolist_size(B)); -log_loop({From, sync}, Pids, Bins, Sync, Sz, S, _L) -> - log_loop(S, Pids, Bins, [From | Sync], Sz); -log_loop(Message, Pids, Bins, Sync, _Sz, S, _L) -> - NS = log_end(S, Pids, Bins, Sync), +log_loop({alog, internal, B}, Pids, Bins, Sync, Sz, internal=F, S) -> + %% alog of terms allowed for the internal format only + log_loop(S, Pids, [B | Bins], Sync, Sz+iolist_size(B), F); +log_loop({alog, binary, B}, Pids, Bins, Sync, Sz, F, S) -> + log_loop(S, Pids, [B | Bins], Sync, Sz+iolist_size(B), F); +log_loop({From, {log, internal, B}}, Pids, Bins, Sync, Sz, internal=F, S) -> + %% log of terms allowed for the internal format only + log_loop(S, [From | Pids], [B | Bins], Sync, Sz+iolist_size(B), F); +log_loop({From, {log, binary, B}}, Pids, Bins, Sync, Sz, F, S) -> + log_loop(S, [From | Pids], [B | Bins], Sync, Sz+iolist_size(B), F); +log_loop({From, sync}, Pids, Bins, Sync, Sz, F, S) -> + log_loop(S, Pids, Bins, [From | Sync], Sz, F); +log_loop(Message, Pids, Bins, Sync, Sz, _F, S) -> + NS = log_end(S, Pids, Bins, Sync, Sz), handle(Message, NS). -log_end(S, [], [], Sync) -> +log_end(S, [], [], Sync, _Sz) -> log_end_sync(S, Sync); -log_end(S, Pids, Bins, Sync) -> - case do_log(get(log), rflat(Bins)) of +log_end(#state{cnt = Cnt}=S, Pids, Bins, Sync, Sz) -> + case do_log(get(log), rflat(Bins), Sz) of N when is_integer(N) -> ok = replies(Pids, ok), - S1 = (state_ok(S))#state{cnt = S#state.cnt+N}, + S1 = (state_ok(S))#state{cnt = Cnt + N}, log_end_sync(S1, Sync); {error, {error, {full, _Name}}, N} when Pids =:= [] -> - log_end_sync(state_ok(S#state{cnt = S#state.cnt + N}), Sync); + log_end_sync(state_ok(S#state{cnt = Cnt + N}), Sync); {error, Error, N} -> ok = replies(Pids, Error), - state_err(S#state{cnt = S#state.cnt + N}, Error) + state_err(S#state{cnt = Cnt + N}, Error) end. %% Inlined. @@ -1096,12 +1065,9 @@ log_end_sync(S, Sync) -> state_err(S, Res). %% Inlined. -rflat([B]=L) when is_binary(B) -> L; rflat([B]) -> B; rflat(B) -> rflat(B, []). -rflat([B | Bs], L) when is_binary(B) -> - rflat(Bs, [B | L]); rflat([B | Bs], L) -> rflat(Bs, B ++ L); rflat([], L) -> L. @@ -1138,17 +1104,17 @@ close_owner(Pid, L, S) -> S2 = do_unblock(Pid, get(log), S), unlink(Pid), do_close2(L1, S2). - + %% -> {stop, S} | {continue, S} -close_user(Pid, L, S) when L#log.users > 0 -> - L1 = L#log{users = L#log.users - 1}, +close_user(Pid, #log{users=Users}=L, S) when Users > 0 -> + L1 = L#log{users = Users - 1}, put(log, L1), S2 = do_unblock(Pid, get(log), S), do_close2(L1, S2); close_user(_Pid, _L, S) -> {continue, S}. -do_close2(L, S) when L#log.users =:= 0, L#log.owners =:= [] -> +do_close2(#log{users = 0, owners = []}, S) -> {stop, S}; do_close2(_L, S) -> {continue, S}. @@ -1227,14 +1193,14 @@ add_pid(Pid, Notify, L) when is_pid(Pid) -> add_pid(_NotAPid, _Notify, L) -> {ok, L#log{users = L#log.users + 1}}. -unblock_pid(L) when L#log.blocked_by =:= none -> +unblock_pid(#log{blocked_by = none}) -> ok; -unblock_pid(L) -> - case is_owner(L#log.blocked_by, L) of +unblock_pid(#log{blocked_by = Pid}=L) -> + case is_owner(Pid, L) of {true, _Notify} -> ok; false -> - unlink(L#log.blocked_by) + unlink(Pid) end. %% -> true | false @@ -1312,7 +1278,8 @@ compare_arg(_Attr, _Val, _A) -> do_open(A) -> #arg{type = Type, format = Format, name = Name, head = Head0, file = FName, repair = Repair, size = Size, mode = Mode, - version = V} = A, + quiet = Quiet, version = V} = A, + disk_log_1:set_quiet(Quiet), Head = mk_head(Head0, Format), case do_open2(Type, Format, Name, FName, Repair, Size, Mode, Head, V) of {ok, Ret, Extra, FormatType, NoItems} -> @@ -1326,7 +1293,7 @@ do_open(A) -> end. mk_head({head, Term}, internal) -> {ok, term_to_binary(Term)}; -mk_head({head, Bytes}, external) -> {ok, check_bytes(Bytes)}; +mk_head({head, Bytes}, external) -> {ok, ensure_binary(Bytes)}; mk_head(H, _) -> H. terms2bins([T | Ts]) -> @@ -1334,30 +1301,29 @@ terms2bins([T | Ts]) -> terms2bins([]) -> []. -check_bytes_list([B | Bs], Bs0) when is_binary(B) -> - check_bytes_list(Bs, Bs0); -check_bytes_list([], Bs0) -> +ensure_binary_list(Bs) -> + ensure_binary_list(Bs, Bs). + +ensure_binary_list([B | Bs], Bs0) when is_binary(B) -> + ensure_binary_list(Bs, Bs0); +ensure_binary_list([], Bs0) -> Bs0; -check_bytes_list(_, Bs0) -> - check_bytes_list(Bs0). - -check_bytes_list([B | Bs]) when is_binary(B) -> - [B | check_bytes_list(Bs)]; -check_bytes_list([B | Bs]) -> - [list_to_binary(B) | check_bytes_list(Bs)]; -check_bytes_list([]) -> +ensure_binary_list(_, Bs0) -> + make_binary_list(Bs0). + +make_binary_list([B | Bs]) -> + [ensure_binary(B) | make_binary_list(Bs)]; +make_binary_list([]) -> []. -check_bytes(Binary) when is_binary(Binary) -> - Binary; -check_bytes(Bytes) -> - list_to_binary(Bytes). +ensure_binary(Bytes) -> + iolist_to_binary(Bytes). %%----------------------------------------------------------------- %% Change size of the logs in runtime. %%----------------------------------------------------------------- %% -> ok | {big, CurSize} | throw(Error) -do_change_size(L, NewSize) when L#log.type =:= halt -> +do_change_size(#log{type = halt}=L, NewSize) -> Halt = L#log.extra, CurB = Halt#halt.curB, NewLog = L#log{extra = Halt#halt{size = NewSize}}, @@ -1373,7 +1339,7 @@ do_change_size(L, NewSize) when L#log.type =:= halt -> true -> {big, CurB} end; -do_change_size(L, NewSize) when L#log.type =:= wrap -> +do_change_size(#log{type = wrap}=L, NewSize) -> #log{extra = Extra, version = Version} = L, {ok, Handle} = disk_log_1:change_size_wrap(Extra, NewSize, Version), erase(is_full), @@ -1388,7 +1354,7 @@ check_head({head_func, {M, F, A}}, _Format) when is_atom(M), is_list(A) -> {ok, {M, F, A}}; check_head({head, Head}, external) -> - case catch check_bytes(Head) of + case catch ensure_binary(Head) of {'EXIT', _} -> {error, {badarg, head}}; _ -> @@ -1674,7 +1640,7 @@ do_block(Pid, QueueLogRecs, L) -> link(Pid) end. -do_unblock(Pid, L, S) when L#log.blocked_by =:= Pid -> +do_unblock(Pid, #log{blocked_by = Pid}=L, S) -> do_unblock(L, S); do_unblock(_Pid, _L, S) -> S. @@ -1692,10 +1658,13 @@ do_unblock(L, S) -> -spec do_log(#log{}, [binary()]) -> integer() | {'error', _, integer()}. -do_log(L, B) when L#log.type =:= halt -> +do_log(L, B) -> + do_log(L, B, iolist_size(B)). + +do_log(#log{type = halt}=L, B, BSz) -> #log{format = Format, extra = Halt} = L, #halt{curB = CurSize, size = Sz} = Halt, - {Bs, BSize} = bsize(B, Format), + {Bs, BSize} = logl(B, Format, BSz), case get(is_full) of true -> {error, {error, {full, L#log.name}}, 0}; @@ -1704,7 +1673,7 @@ do_log(L, B) when L#log.type =:= halt -> undefined -> halt_write_full(L, B, Format, 0) end; -do_log(L, B) when L#log.format_type =:= wrap_int -> +do_log(#log{format_type = wrap_int}=L, B, _BSz) -> case disk_log_1:mf_int_log(L#log.extra, B, L#log.head) of {ok, Handle, Logged, Lost, Wraps} -> notify_owners_wrap(Wraps), @@ -1717,7 +1686,7 @@ do_log(L, B) when L#log.format_type =:= wrap_int -> put(log, L#log{extra = Handle}), {error, Error, Logged - Lost} end; -do_log(L, B) when L#log.format_type =:= wrap_ext -> +do_log(#log{format_type = wrap_ext}=L, B, _BSz) -> case disk_log_1:mf_ext_log(L#log.extra, B, L#log.head) of {ok, Handle, Logged, Lost, Wraps} -> notify_owners_wrap(Wraps), @@ -1731,17 +1700,16 @@ do_log(L, B) when L#log.format_type =:= wrap_ext -> {error, Error, Logged - Lost} end. -bsize(B, external) -> - {B, xsz(B, 0)}; -bsize(B, internal) -> +logl(B, external, undefined) -> + {B, iolist_size(B)}; +logl(B, external, Sz) -> + {B, Sz}; +logl(B, internal, _Sz) -> disk_log_1:logl(B). -xsz([B|T], Sz) -> xsz(T, byte_size(B) + Sz); -xsz([], Sz) -> Sz. - halt_write_full(L, [Bin | Bins], Format, N) -> B = [Bin], - {Bs, BSize} = bsize(B, Format), + {Bs, BSize} = logl(B, Format, undefined), Halt = L#log.extra, #halt{curB = CurSize, size = Sz} = Halt, if @@ -1793,7 +1761,7 @@ do_sync(#log{type = wrap, extra = Handle} = Log) -> Reply. %% -> ok | Error | throw(Error) -do_trunc(L, Head) when L#log.type =:= halt -> +do_trunc(#log{type = halt}=L, Head) -> #log{filename = FName, extra = Halt} = L, FdC = Halt#halt.fdc, {Reply1, FdC2} = @@ -1822,7 +1790,7 @@ do_trunc(L, Head) when L#log.type =:= halt -> end, put(log, L#log{extra = NewHalt}), Reply; -do_trunc(L, Head) when L#log.type =:= wrap -> +do_trunc(#log{type = wrap}=L, Head) -> Handle = L#log.extra, OldHead = L#log.head, {MaxB, MaxF} = disk_log_1:get_wrap_size(Handle), @@ -2016,8 +1984,7 @@ notify_owners(Note) -> (_) -> ok end, L#log.owners). -cache_error(S, Pids) -> - Error = S#state.cache_error, +cache_error(#state{cache_error=Error}=S, Pids) -> ok = replies(Pids, Error), state_err(S#state{cache_error = ok}, Error). diff --git a/lib/kernel/src/disk_log.hrl b/lib/kernel/src/disk_log.hrl index 3262d979ee..a362881f40 100644 --- a/lib/kernel/src/disk_log.hrl +++ b/lib/kernel/src/disk_log.hrl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2015. 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. @@ -39,6 +39,7 @@ -define(MAX_FILES, 65000). -define(MAX_BYTES, ((1 bsl 64) - 1)). -define(MAX_CHUNK_SIZE, 65536). +-define(MAX_FWRITE_CACHE, 65536). %% Object defines -define(LOGMAGIC, <<1,2,3,4>>). @@ -54,11 +55,10 @@ %% Types -- alphabetically %%------------------------------------------------------------------------ --type dlog_byte() :: [dlog_byte()] | byte(). -type dlog_format() :: 'external' | 'internal'. -type dlog_format_type() :: 'halt_ext' | 'halt_int' | 'wrap_ext' | 'wrap_int'. -type dlog_head() :: 'none' | {'ok', binary()} | mfa(). --type dlog_head_opt() :: none | term() | binary() | [dlog_byte()]. +-type dlog_head_opt() :: none | term() | iodata(). -type log() :: term(). % XXX: refine -type dlog_mode() :: 'read_only' | 'read_write'. -type dlog_name() :: atom() | string(). @@ -69,13 +69,14 @@ | {file, FileName :: file:filename()} | {linkto, LinkTo :: none | pid()} | {repair, Repair :: true | false | truncate} - | {type, Type :: dlog_type} + | {type, Type :: dlog_type()} | {format, Format :: dlog_format()} | {size, Size :: dlog_size()} | {distributed, Nodes :: [node()]} | {notify, boolean()} | {head, Head :: dlog_head_opt()} | {head_func, MFA :: {atom(), atom(), list()}} + | {quiet, boolean()} | {mode, Mode :: dlog_mode()}. -type dlog_options() :: [dlog_option()]. -type dlog_repair() :: 'truncate' | boolean(). @@ -102,6 +103,7 @@ head = none, mode = read_write :: dlog_mode(), notify = false :: boolean(), + quiet = false :: boolean(), options = [] :: dlog_options()}). -record(cache, %% Cache for logged terms (per file descriptor). diff --git a/lib/kernel/src/disk_log_1.erl b/lib/kernel/src/disk_log_1.erl index 2e61363aa6..93856aa7b3 100644 --- a/lib/kernel/src/disk_log_1.erl +++ b/lib/kernel/src/disk_log_1.erl @@ -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. @@ -37,6 +37,7 @@ -export([get_wrap_size/1]). -export([is_head/1]). -export([position/3, truncate_at/3, fwrite/4, fclose/2]). +-export([set_quiet/1, is_quiet/0]). -compile({inline,[{scan_f2,7}]}). @@ -500,7 +501,10 @@ lh(H, _F) -> % cannot happen repair(In, File) -> FSz = file_size(File), - error_logger:info_msg("disk_log: repairing ~tp ...\n", [File]), + case is_quiet() of + true -> ok; + _ -> error_logger:info_msg("disk_log: repairing ~tp ...\n", [File]) + end, Tmp = add_ext(File, "TMP"), {ok, {_Alloc, Out, {0, _}, _FileSize}} = new_int_file(Tmp, none), scan_f_read(<<>>, In, Out, File, FSz, Tmp, ?MAX_CHUNK_SIZE, 0, 0). @@ -769,8 +773,11 @@ mf_int_chunk(Handle, {FileNo, Pos}, Bin, N) -> NFileNo = inc(FileNo, Handle#handle.maxF), case catch int_open(FName, true, read_only, any) of {error, _Reason} -> - error_logger:info_msg("disk_log: chunk error. File ~tp missing.\n\n", - [FName]), + case is_quiet() of + true -> ok; + _ -> error_logger:info_msg("disk_log: chunk error. File ~tp missing.\n\n", + [FName]) + end, mf_int_chunk(Handle, {NFileNo, 0}, [], N); {ok, {_Alloc, FdC, _HeadSize, _FileSize}} -> case chunk(FdC, FName, Pos, Bin, N) of @@ -797,9 +804,12 @@ mf_int_chunk_read_only(Handle, {FileNo, Pos}, Bin, N) -> NFileNo = inc(FileNo, Handle#handle.maxF), case catch int_open(FName, true, read_only, any) of {error, _Reason} -> - error_logger:info_msg("disk_log: chunk error. File ~tp missing.\n\n", - [FName]), - mf_int_chunk_read_only(Handle, {NFileNo, 0}, [], N); + case is_quiet() of + true -> ok; + _ -> error_logger:info_msg("disk_log: chunk error. File ~tp missing.\n\n", + [FName]) + end, + mf_int_chunk_read_only(Handle, {NFileNo, 0}, [], N); {ok, {_Alloc, FdC, _HeadSize, _FileSize}} -> case do_chunk_read_only(FdC, FName, Pos, Bin, N) of {NewFdC, eof} -> @@ -1416,24 +1426,36 @@ open_truncate(FileName) -> %%% Functions that access files, and throw on error. --define(MAX, 16384). % bytes -define(TIMEOUT, 2000). % ms %% -> {Reply, cache()}; Reply = ok | Error -fwrite(#cache{c = []} = FdC, _FN, B, Size) -> +fwrite(FdC, _FN, _B, 0) -> + {ok, FdC}; % avoid starting a timer for empty writes +fwrite(#cache{fd = Fd, c = C, sz = Sz} = FdC, FileName, B, Size) -> + Sz1 = Sz + Size, + C1 = cache_append(C, B), + if Sz1 > ?MAX_FWRITE_CACHE -> + write_cache(Fd, FileName, C1); + true -> + maybe_start_timer(C), + {ok, FdC#cache{sz = Sz1, c = C1}} + end. + +cache_append([], B) -> B; +cache_append(C, B) -> [C | B]. + +%% if the cache was empty, start timer (unless it's already running) +maybe_start_timer([]) -> case get(write_cache_timer_is_running) of - true -> + true -> ok; - _ -> + _ -> put(write_cache_timer_is_running, true), erlang:send_after(?TIMEOUT, self(), {self(), write_cache}), ok - end, - {ok, FdC#cache{sz = Size, c = B}}; -fwrite(#cache{sz = Sz, c = C} = FdC, _FN, B, Size) when Sz < ?MAX -> - {ok, FdC#cache{sz = Sz+Size, c = [C | B]}}; -fwrite(#cache{fd = Fd, c = C}, FileName, B, _Size) -> - write_cache(Fd, FileName, [C | B]). + end; +maybe_start_timer(_C) -> + ok. fwrite_header(Fd, B, Size) -> {ok, #cache{fd = Fd, sz = Size, c = B}}. @@ -1537,6 +1559,12 @@ fclose(#cache{fd = Fd, c = C}, FileName) -> _ = write_cache_close(Fd, FileName, C), file:close(Fd). +set_quiet(Bool) -> + put(quiet, Bool). + +is_quiet() -> + get(quiet) =:= true. + %% -> {Reply, #cache{}}; Reply = ok | Error write_cache(Fd, _FileName, []) -> {ok, #cache{fd = Fd}}; diff --git a/lib/kernel/src/dist_ac.erl b/lib/kernel/src/dist_ac.erl index 6c2fa0b6b1..2a5cf0ba92 100644 --- a/lib/kernel/src/dist_ac.erl +++ b/lib/kernel/src/dist_ac.erl @@ -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. @@ -123,7 +123,7 @@ load_application(AppName, DistNodes) -> gen_server:call(?DIST_AC, {load_application, AppName, DistNodes}, infinity). takeover_application(AppName, RestartType) -> - case validRestartType(RestartType) of + case valid_restart_type(RestartType) of true -> wait_for_sync_dacs(), Nodes = get_nodes(AppName), @@ -1514,10 +1514,10 @@ dist_del_node(Appls, Node) -> Appl#appl{run = NRun} end, Appls). -validRestartType(permanent) -> true; -validRestartType(temporary) -> true; -validRestartType(transient) -> true; -validRestartType(_RestartType) -> false. +valid_restart_type(permanent) -> true; +valid_restart_type(temporary) -> true; +valid_restart_type(transient) -> true; +valid_restart_type(_RestartType) -> false. dist_mismatch(AppName, Node) -> error_msg("Distribution mismatch for application \"~p\" on nodes ~p and ~p~n", diff --git a/lib/kernel/src/dist_util.erl b/lib/kernel/src/dist_util.erl index 47d0c1b861..b3507e5d13 100644 --- a/lib/kernel/src/dist_util.erl +++ b/lib/kernel/src/dist_util.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1999-2016. All Rights Reserved. +%% Copyright Ericsson AB 1999-2017. 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. @@ -131,7 +131,7 @@ handshake_other_started(#hs_data{request_type=ReqType}=HSData0) -> other_version=Version, other_node=Node, other_started=true}, - check_dflag_xnc(HSData), + check_dflags(HSData), is_allowed(HSData), ?debug({"MD5 connection from ~p (V~p)~n", [Node, HSData#hs_data.other_version]}), @@ -143,7 +143,11 @@ handshake_other_started(#hs_data{request_type=ReqType}=HSData0) -> ChallengeB = recv_challenge_reply(HSData, ChallengeA, MyCookie), send_challenge_ack(HSData, gen_digest(ChallengeB, HisCookie)), ?debug({dist_util, self(), accept_connection, Node}), - connection(HSData). + connection(HSData); + +handshake_other_started(OldHsData) when element(1,OldHsData) =:= hs_data -> + handshake_other_started(convert_old_hsdata(OldHsData)). + %% %% check if connecting node is allowed to connect @@ -164,27 +168,24 @@ is_allowed(#hs_data{other_node = Node, %% Check that both nodes can handle the same types of extended %% node containers. If they can not, abort the connection. %% -check_dflag_xnc(#hs_data{other_node = Node, - other_flags = OtherFlags, - other_started = OtherStarted} = HSData) -> - XRFlg = ?DFLAG_EXTENDED_REFERENCES, - XPPFlg = case erlang:system_info(compat_rel) of - R when R >= 10 -> - ?DFLAG_EXTENDED_PIDS_PORTS; - _ -> - 0 - end, - ReqXncFlags = XRFlg bor XPPFlg, - case OtherFlags band ReqXncFlags =:= ReqXncFlags of - true -> - ok; - false -> - What = case {OtherFlags band XRFlg =:= XRFlg, - OtherFlags band XPPFlg =:= XPPFlg} of - {false, false} -> "references, pids and ports"; - {true, false} -> "pids and ports"; - {false, true} -> "references" - end, +check_dflags(#hs_data{other_node = Node, + other_flags = OtherFlags, + other_started = OtherStarted} = HSData) -> + + Mandatory = [{?DFLAG_EXTENDED_REFERENCES, "EXTENDED_REFERENCES"}, + {?DFLAG_EXTENDED_PIDS_PORTS, "EXTENDED_PIDS_PORTS"}, + {?DFLAG_UTF8_ATOMS, "UTF8_ATOMS"}], + Missing = lists:filtermap(fun({Bit, Str}) -> + case Bit band OtherFlags of + Bit -> false; + 0 -> {true, Str} + end + end, + Mandatory), + case Missing of + [] -> + ok; + _ -> case OtherStarted of true -> send_status(HSData, not_allowed), @@ -195,9 +196,9 @@ check_dflag_xnc(#hs_data{other_node = Node, How = "aborted" end, error_msg("** ~w: Connection attempt ~s node ~w ~s " - "since it cannot handle extended ~s. " - "**~n", [node(), Dir, Node, How, What]), - ?shutdown2(Node, {check_dflag_xnc_failed, What}) + "since it cannot handle ~p." + "**~n", [node(), Dir, Node, How, Missing]), + ?shutdown2(Node, {check_dflags_failed, Missing}) end. @@ -323,14 +324,27 @@ handshake_we_started(#hs_data{request_type=ReqType, NewHSData = HSData#hs_data{this_flags = ThisFlags, other_flags = OtherFlags, other_started = false}, - check_dflag_xnc(NewHSData), + check_dflags(NewHSData), MyChallenge = gen_challenge(), {MyCookie,HisCookie} = get_cookies(Node), send_challenge_reply(NewHSData,MyChallenge, gen_digest(ChallengeA,HisCookie)), reset_timer(NewHSData#hs_data.timer), recv_challenge_ack(NewHSData, MyChallenge, MyCookie), - connection(NewHSData). + connection(NewHSData); + +handshake_we_started(OldHsData) when element(1,OldHsData) =:= hs_data -> + handshake_we_started(convert_old_hsdata(OldHsData)). + +convert_old_hsdata({hs_data, KP, ON, TN, S, T, TF, A, OV, OF, OS, FS, FR, + FS_PRE, FS_POST, FG, FA, MFT, MFG, RT}) -> + #hs_data{ + kernel_pid = KP, other_node = ON, this_node = TN, socket = S, timer = T, + this_flags = TF, allowed = A, other_version = OV, other_flags = OF, + other_started = OS, f_send = FS, f_recv = FR, f_setopts_pre_nodeup = FS_PRE, + f_setopts_post_nodeup = FS_POST, f_getll = FG, f_address = FA, + mf_tick = MFT, mf_getstat = MFG, request_type = RT}. + %% -------------------------------------------------------------- %% The connection has been established. @@ -350,15 +364,15 @@ connection(#hs_data{other_node = Node, mark_nodeup(HSData,Address), case FPostNodeup(Socket) of ok -> - con_loop(HSData#hs_data.kernel_pid, - Node, - Socket, - Address, - HSData#hs_data.this_node, - PType, - #tick{}, - HSData#hs_data.mf_tick, - HSData#hs_data.mf_getstat); + con_loop({HSData#hs_data.kernel_pid, + Node, + Socket, + PType, + HSData#hs_data.mf_tick, + HSData#hs_data.mf_getstat, + HSData#hs_data.mf_setopts, + HSData#hs_data.mf_getopts}, + #tick{}); _ -> ?shutdown2(Node, connection_setup_failed) end; @@ -454,8 +468,8 @@ mark_nodeup(#hs_data{kernel_pid = Kernel, ?shutdown(Node) end. -con_loop(Kernel, Node, Socket, TcpAddress, - MyNode, Type, Tick, MFTick, MFGetstat) -> +con_loop({Kernel, Node, Socket, Type, MFTick, MFGetstat, MFSetOpts, MFGetOpts}=ConData, + Tick) -> receive {tcp_closed, Socket} -> ?shutdown2(Node, connection_closed); @@ -468,15 +482,12 @@ con_loop(Kernel, Node, Socket, TcpAddress, _ -> ignore_it end, - con_loop(Kernel, Node, Socket, TcpAddress, MyNode, Type, - Tick, MFTick, MFGetstat); + con_loop(ConData, Tick); {Kernel, tick} -> case send_tick(Socket, Tick, Type, MFTick, MFGetstat) of {ok, NewTick} -> - con_loop(Kernel, Node, Socket, TcpAddress, - MyNode, Type, NewTick, MFTick, - MFGetstat); + con_loop(ConData, NewTick); {error, not_responding} -> error_msg("** Node ~p not responding **~n" "** Removing (timedout) connection **~n", @@ -489,13 +500,24 @@ con_loop(Kernel, Node, Socket, TcpAddress, case MFGetstat(Socket) of {ok, Read, Write, _} -> From ! {self(), get_status, {ok, Read, Write}}, - con_loop(Kernel, Node, Socket, TcpAddress, - MyNode, - Type, Tick, - MFTick, MFGetstat); + con_loop(ConData, Tick); _ -> ?shutdown2(Node, get_status_failed) - end + end; + {From, Ref, {setopts, Opts}} -> + Ret = case MFSetOpts of + undefined -> {error, enotsup}; + _ -> MFSetOpts(Socket, Opts) + end, + From ! {Ref, Ret}, + con_loop(ConData, Tick); + {From, Ref, {getopts, Opts}} -> + Ret = case MFGetOpts of + undefined -> {error, enotsup}; + _ -> MFGetOpts(Socket, Opts) + end, + From ! {Ref, Ret}, + con_loop(ConData, Tick) end. @@ -550,12 +572,25 @@ recv_name(#hs_data{socket = Socket, f_recv = Recv}) -> ?shutdown(no_node) end. -get_name([$n,VersionA, VersionB, Flag1, Flag2, Flag3, Flag4 | OtherNode]) -> - {?u32(Flag1, Flag2, Flag3, Flag4), list_to_atom(OtherNode), - ?u16(VersionA,VersionB)}; +get_name([$n,VersionA, VersionB, Flag1, Flag2, Flag3, Flag4 | OtherNode] = Data) -> + case is_valid_name(OtherNode) of + true -> + {?u32(Flag1, Flag2, Flag3, Flag4), list_to_atom(OtherNode), + ?u16(VersionA,VersionB)}; + false -> + ?shutdown(Data) + end; get_name(Data) -> ?shutdown(Data). +is_valid_name(OtherNodeName) -> + case string:lexemes(OtherNodeName,"@") of + [_OtherNodeName,_OtherNodeHost] -> + true; + _else -> + false + end. + publish_type(Flags) -> case Flags band ?DFLAG_PUBLISHED of 0 -> diff --git a/lib/kernel/src/erl_epmd.erl b/lib/kernel/src/erl_epmd.erl index f8ef4a475d..7bc9e2ede3 100644 --- a/lib/kernel/src/erl_epmd.erl +++ b/lib/kernel/src/erl_epmd.erl @@ -103,6 +103,10 @@ names(EpmdAddr) -> register_node(Name, PortNo) -> register_node(Name, PortNo, inet). +register_node(Name, PortNo, inet_tcp) -> + register_node(Name, PortNo, inet); +register_node(Name, PortNo, inet6_tcp) -> + register_node(Name, PortNo, inet6); register_node(Name, PortNo, Family) -> gen_server:call(erl_epmd, {register, Name, PortNo, Family}, infinity). @@ -403,8 +407,6 @@ select_best_version(L1, _H1, _L2, H2) when L1 > H2 -> 0; select_best_version(_L1, H1, L2, _H2) when L2 > H1 -> 0; -select_best_version(_L1, H1, L2, _H2) when L2 > H1 -> - 0; select_best_version(_L1, H1, _L2, H2) -> erlang:min(H1, H2). diff --git a/lib/kernel/src/erl_signal_handler.erl b/lib/kernel/src/erl_signal_handler.erl new file mode 100644 index 0000000000..22f235d4e4 --- /dev/null +++ b/lib/kernel/src/erl_signal_handler.erl @@ -0,0 +1,57 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 1996-2017. All Rights Reserved. +%% +%% The contents of this file are subject to the Erlang Public License, +%% Version 1.1, (the "License"); you may not use this file except in +%% compliance with the License. You should have received a copy of the +%% Erlang Public License along with this software. If not, it can be +%% retrieved online at http://www.erlang.org/. +%% +%% Software distributed under the License is distributed on an "AS IS" +%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +%% the License for the specific language governing rights and limitations +%% under the License. +%% +%% %CopyrightEnd% +%% + +-module(erl_signal_handler). +-behaviour(gen_event). +-export([init/1, format_status/2, + handle_event/2, handle_call/2, handle_info/2, + terminate/2, code_change/3]). + +-record(state,{}). + +init(_Args) -> + {ok, #state{}}. + +handle_event(sigusr1, S) -> + erlang:halt("Received SIGUSR1"), + {ok, S}; +handle_event(sigquit, S) -> + erlang:halt(), + {ok, S}; +handle_event(sigterm, S) -> + error_logger:info_msg("SIGTERM received - shutting down~n"), + ok = init:stop(), + {ok, S}; +handle_event(_SignalMsg, S) -> + {ok, S}. + +handle_info(_Info, S) -> + {ok, S}. + +handle_call(_Request, S) -> + {ok, ok, S}. + +format_status(_Opt, [_Pdict,_S]) -> + ok. + +code_change(_OldVsn, S, _Extra) -> + {ok, S}. + +terminate(_Args, _S) -> + ok. diff --git a/lib/kernel/src/error_logger.erl b/lib/kernel/src/error_logger.erl index 3523f680a3..9bf8547745 100644 --- a/lib/kernel/src/error_logger.erl +++ b/lib/kernel/src/error_logger.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. @@ -31,6 +31,8 @@ handle_event/2, handle_call/2, handle_info/2, terminate/2]). +-export([get_format_depth/0, limit_term/1]). + -define(buffer_size, 10). %%----------------------------------------------------------------- @@ -360,8 +362,12 @@ init(Max) when is_integer(Max) -> %% go back. init({go_back, _PostState}) -> {ok, {?buffer_size, 0, []}}; -init(_) -> %% Start and just relay to other - {ok, []}. %% node if node(GLeader) =/= node(). +init(_) -> + %% The error logger process may receive a huge amount of + %% messages. Make sure that they are stored off heap to + %% avoid exessive GCs. + process_flag(message_queue_data, off_heap), + {ok, []}. -spec handle_event(term(), state()) -> {'ok', state()}. @@ -514,3 +520,21 @@ string_p1([H|T]) when is_list(H) -> end; string_p1([]) -> true; string_p1(_) -> false. + +-spec limit_term(term()) -> term(). + +limit_term(Term) -> + case get_format_depth() of + unlimited -> Term; + D -> io_lib:limit_term(Term, D) + end. + +-spec get_format_depth() -> 'unlimited' | pos_integer(). + +get_format_depth() -> + case application:get_env(kernel, error_logger_format_depth) of + {ok, Depth} when is_integer(Depth) -> + max(10, Depth); + undefined -> + unlimited + end. diff --git a/lib/kernel/src/erts_debug.erl b/lib/kernel/src/erts_debug.erl index 7b3f1e313a..ad92aafc2f 100644 --- a/lib/kernel/src/erts_debug.erl +++ b/lib/kernel/src/erts_debug.erl @@ -35,7 +35,8 @@ dump_monitors/1, dump_links/1, flat_size/1, get_internal_state/1, instructions/0, lock_counters/1, map_info/1, same/2, set_internal_state/2, - size_shared/1, copy_shared/1]). + size_shared/1, copy_shared/1, dirty_cpu/2, dirty_io/2, + dirty/3]). -spec breakpoint(MFA, Flag) -> non_neg_integer() when MFA :: {Module :: module(), @@ -182,6 +183,28 @@ same(_, _) -> set_internal_state(_, _) -> erlang:nif_error(undef). +-spec dirty_cpu(Term1, Term2) -> term() when + Term1 :: term(), + Term2 :: term(). + +dirty_cpu(_, _) -> + erlang:nif_error(undef). + +-spec dirty_io(Term1, Term2) -> term() when + Term1 :: term(), + Term2 :: term(). + +dirty_io(_, _) -> + erlang:nif_error(undef). + +-spec dirty(Term1, Term2, Term3) -> term() when + Term1 :: term(), + Term2 :: term(), + Term3 :: term(). + +dirty(_, _, _) -> + erlang:nif_error(undef). + %%% End of BIFs %% size(Term) diff --git a/lib/kernel/src/file.erl b/lib/kernel/src/file.erl index 58b601e456..933f2d5f65 100644 --- a/lib/kernel/src/file.erl +++ b/lib/kernel/src/file.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. @@ -397,25 +397,36 @@ write_file(Name, Bin) -> Modes :: [mode()], Reason :: posix() | badarg | terminated | system_limit. -write_file(Name, Bin, ModeList) when is_list(ModeList) -> - case make_binary(Bin) of - B when is_binary(B) -> - case open(Name, [binary, write | - lists:delete(binary, - lists:delete(write, ModeList))]) of - {ok, Handle} -> - case write(Handle, B) of - ok -> - close(Handle); - E1 -> - _ = close(Handle), - E1 - end; - E2 -> - E2 - end; - E3 -> - E3 +write_file(Name, IOData, ModeList) when is_list(ModeList) -> + case lists:member(raw, ModeList) of + true -> + %% For backwards compatibility of error messages + try iolist_size(IOData) of + _Size -> do_write_file(Name, IOData, ModeList) + catch + error:Error -> {error, Error} + end; + false -> + case make_binary(IOData) of + Bin when is_binary(Bin) -> + do_write_file(Name, Bin, ModeList); + Error -> + Error + end + end. + +do_write_file(Name, IOData, ModeList) -> + case open(Name, [binary, write | ModeList]) of + {ok, Handle} -> + case write(Handle, IOData) of + ok -> + close(Handle); + E1 -> + _ = close(Handle), + E1 + end; + E2 -> + E2 end. %% Obsolete, undocumented, local node only, don't use!. @@ -1413,7 +1424,7 @@ path_open_first([Path|Rest], Name, Mode, LastError) -> case open(FileName, Mode) of {ok, Fd} -> {ok, Fd, FileName}; - {error, enoent} -> + {error, Reason} when Reason =:= enoent; Reason =:= enotdir -> path_open_first(Rest, Name, Mode, LastError); Error -> Error diff --git a/lib/kernel/src/gen_sctp.erl b/lib/kernel/src/gen_sctp.erl index b133e6fed4..a6aa0edd15 100644 --- a/lib/kernel/src/gen_sctp.erl +++ b/lib/kernel/src/gen_sctp.erl @@ -439,7 +439,7 @@ error_string(X) -> -spec controlling_process(Socket, Pid) -> ok | {error, Reason} when Socket :: sctp_socket(), Pid :: pid(), - Reason :: closed | not_owner | inet:posix(). + Reason :: closed | not_owner | badarg | inet:posix(). controlling_process(S, Pid) when is_port(S), is_pid(Pid) -> inet:udp_controlling_process(S, Pid); diff --git a/lib/kernel/src/gen_tcp.erl b/lib/kernel/src/gen_tcp.erl index 1a21541b7c..ac61dbc792 100644 --- a/lib/kernel/src/gen_tcp.erl +++ b/lib/kernel/src/gen_tcp.erl @@ -320,7 +320,7 @@ unrecv(S, Data) when is_port(S) -> -spec controlling_process(Socket, Pid) -> ok | {error, Reason} when Socket :: socket(), Pid :: pid(), - Reason :: closed | not_owner | inet:posix(). + Reason :: closed | not_owner | badarg | inet:posix(). controlling_process(S, NewOwner) -> case inet_db:lookup_socket(S) of diff --git a/lib/kernel/src/gen_udp.erl b/lib/kernel/src/gen_udp.erl index 98d2f0bcfb..3121544719 100644 --- a/lib/kernel/src/gen_udp.erl +++ b/lib/kernel/src/gen_udp.erl @@ -195,7 +195,7 @@ connect(S, Address, Port) when is_port(S) -> -spec controlling_process(Socket, Pid) -> ok | {error, Reason} when Socket :: socket(), Pid :: pid(), - Reason :: closed | not_owner | inet:posix(). + Reason :: closed | not_owner | badarg | inet:posix(). controlling_process(S, NewOwner) -> inet:udp_controlling_process(S, NewOwner). diff --git a/lib/kernel/src/global.erl b/lib/kernel/src/global.erl index 0c73ead7c5..a9e92b28b8 100644 --- a/lib/kernel/src/global.erl +++ b/lib/kernel/src/global.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2015. 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. @@ -58,14 +58,18 @@ %%% In certain places in the server, calling io:format hangs everything, %%% so we'd better use erlang:display/1. %%% my_tracer is used in testsuites --define(trace(_), ok). +%% uncomment this if tracing is wanted +%%-define(DEBUG, true). +-ifdef(DEBUG). +-define(trace(T), erlang:display({format, node(), cs(), T})). + cs() -> + {_Big, Small, Tiny} = erlang:timestamp(), + (Small rem 100) * 100 + (Tiny div 10000). %-define(trace(T), (catch my_tracer ! {node(), {line,?LINE}, T})). - -%-define(trace(T), erlang:display({format, node(), cs(), T})). -%cs() -> -% {_Big, Small, Tiny} = now(), -% (Small rem 100) * 100 + (Tiny div 10000). +-else. +-define(trace(_), ok). +-endif. %% These are the protocol versions: %% Vsn 1 is the original protocol. @@ -443,7 +447,8 @@ info() -> init([]) -> process_flag(trap_exit, true), _ = ets:new(global_locks, [set, named_table, protected]), - _ = ets:new(global_names, [set, named_table, protected]), + _ = ets:new(global_names, [set, named_table, protected, + {read_concurrency, true}]), _ = ets:new(global_names_ext, [set, named_table, protected]), _ = ets:new(global_pid_names, [bag, named_table, protected]), diff --git a/lib/kernel/src/global_group.erl b/lib/kernel/src/global_group.erl index 8ac0bd9551..f5ead2a4c5 100644 --- a/lib/kernel/src/global_group.erl +++ b/lib/kernel/src/global_group.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1998-2015. All Rights Reserved. +%% Copyright Ericsson AB 1998-2016. 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. diff --git a/lib/kernel/src/group.erl b/lib/kernel/src/group.erl index b5e73117dd..bf785959ff 100644 --- a/lib/kernel/src/group.erl +++ b/lib/kernel/src/group.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. @@ -33,7 +33,7 @@ start(Drv, Shell, Options) -> server(Drv, Shell, Options) -> process_flag(trap_exit, true), edlin:init(), - put(line_buffer, proplists:get_value(line_buffer, Options, [])), + put(line_buffer, proplists:get_value(line_buffer, Options, group_history:load())), put(read_mode, list), put(user_drv, Drv), put(expand_fun, @@ -783,6 +783,7 @@ save_line_buffer("\n", Lines) -> save_line_buffer(Line, [Line|_Lines]=Lines) -> save_line_buffer(Lines); save_line_buffer(Line, Lines) -> + group_history:add(Line), save_line_buffer([Line|Lines]). save_line_buffer(Lines) -> diff --git a/lib/kernel/src/group_history.erl b/lib/kernel/src/group_history.erl new file mode 100644 index 0000000000..91f3663cc5 --- /dev/null +++ b/lib/kernel/src/group_history.erl @@ -0,0 +1,341 @@ +%% +%% %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(group_history). +-export([load/0, add/1]). + +%% Make a minimal size that should encompass set of lines and then make +%% a file rotation for N files of this size. +-define(DEFAULT_HISTORY_FILE, "erlang-shell-log"). +-define(MAX_HISTORY_FILES, 10). +-define(DEFAULT_SIZE, 1024*512). % 512 kb total default +-define(DEFAULT_STATUS, disabled). +-define(MIN_HISTORY_SIZE, (50*1024)). % 50 kb, in bytes +-define(DEFAULT_DROP, []). +-define(DISK_LOG_FORMAT, internal). % since we want repairs +-define(LOG_NAME, '$#group_history'). +-define(VSN, {0,1,0}). + +%%%%%%%%%%%%%% +%%% PUBLIC %%% +%%%%%%%%%%%%%% + +%% @doc Loads the shell history from memory. This function should only be +%% called from group:server/3 to inject itself in the previous commands +%% stack. +-spec load() -> [string()]. +load() -> + wait_for_kernel_safe_sup(), + case history_status() of + enabled -> + case open_log() of + {ok, ?LOG_NAME} -> + read_full_log(?LOG_NAME); + {repaired, ?LOG_NAME, {recovered, Good}, {badbytes, Bad}} -> + report_repairs(?LOG_NAME, Good, Bad), + read_full_log(?LOG_NAME); + {error, {need_repair, _FileName}} -> + repair_log(?LOG_NAME); + {error, {arg_mismatch, repair, true, false}} -> + repair_log(?LOG_NAME); + {error, {name_already_open, _}} -> + show_rename_warning(), + read_full_log(?LOG_NAME); + {error, {size_mismatch, Current, New}} -> + show_size_warning(Current, New), + resize_log(?LOG_NAME, Current, New), + load(); + {error, {invalid_header, {vsn, Version}}} -> + upgrade_version(?LOG_NAME, Version), + load(); + {error, Reason} -> + handle_open_error(Reason), + disable_history(), + [] + end; + _ -> + [] + end. + +%% @doc adds a log line to the erlang history log, if configured to do so. +-spec add(iodata()) -> ok. +add(Line) -> add(Line, history_status()). + +add(Line, enabled) -> + case lists:member(Line, to_drop()) of + false -> + case disk_log:log(?LOG_NAME, Line) of + ok -> + ok; + {error, no_such_log} -> + _ = open_log(), % a wild attempt we hope works! + disk_log:log(?LOG_NAME, Line); + {error, _Other} -> + % just ignore, we're too late + ok + end; + true -> + ok + end; +add(_Line, disabled) -> + ok. + +%%%%%%%%%%%%%%% +%%% PRIVATE %%% +%%%%%%%%%%%%%%% + +%% Because loading the shell happens really damn early, processes we depend on +%% might not be there yet. Luckily, the load function is called from the shell +%% after a new process has been spawned, so we can block in here +wait_for_kernel_safe_sup() -> + case whereis(kernel_safe_sup) of + undefined -> + timer:sleep(50), + wait_for_kernel_safe_sup(); + _ -> + ok + end. + +%% Repair the log out of band +repair_log(Name) -> + Opts = lists:keydelete(size, 1, log_options()), + case disk_log:open(Opts) of + {repaired, ?LOG_NAME, {recovered, Good}, {badbytes, Bad}} -> + report_repairs(?LOG_NAME, Good, Bad); + _ -> + ok + end, + _ = disk_log:close(Name), + load(). + +%% Return whether the shell history is enabled or not +-spec history_status() -> enabled | disabled. +history_status() -> + case is_user() orelse application:get_env(kernel, shell_history) of + true -> disabled; % don't run for user proc + {ok, enabled} -> enabled; + undefined -> ?DEFAULT_STATUS; + _ -> disabled + end. + +%% Return whether the user process is running this +-spec is_user() -> boolean(). +is_user() -> + case process_info(self(), registered_name) of + {registered_name, user} -> true; + _ -> false + end. + +%% Open a disk_log file while ensuring the required path is there. +open_log() -> + Opts = log_options(), + _ = ensure_path(Opts), + disk_log:open(Opts). + +%% Return logger options +log_options() -> + Path = find_path(), + File = filename:join([Path, ?DEFAULT_HISTORY_FILE]), + Size = find_wrap_values(), + [{name, ?LOG_NAME}, + {file, File}, + {repair, true}, + {format, internal}, + {type, wrap}, + {size, Size}, + {distributed, []}, + {notify, false}, + {head, {vsn, ?VSN}}, + {quiet, true}, + {mode, read_write}]. + +-spec ensure_path([{file, string()} | {atom(), _}, ...]) -> ok | {error, term()}. +ensure_path(Opts) -> + {file, Path} = lists:keyfind(file, 1, Opts), + filelib:ensure_dir(Path). + +%% @private read the logs from an already open file. Treat closed files +%% as wrong and returns an empty list to avoid crash loops in the shell. +-spec read_full_log(term()) -> [string()]. +read_full_log(Name) -> + case disk_log:chunk(Name, start) of + {error, no_such_log} -> + show_unexpected_close_warning(), + []; + eof -> + []; + {Cont, Logs} -> + lists:reverse(maybe_drop_header(Logs) ++ read_full_log(Name, Cont)) + end. + +read_full_log(Name, Cont) -> + case disk_log:chunk(Name, Cont) of + {error, no_such_log} -> + show_unexpected_close_warning(), + []; + eof -> + []; + {NextCont, Logs} -> + maybe_drop_header(Logs) ++ read_full_log(Name, NextCont) + end. + +maybe_drop_header([{vsn, _} | Rest]) -> Rest; +maybe_drop_header(Logs) -> Logs. + +-spec handle_open_error(_) -> ok. +handle_open_error({arg_mismatch, OptName, CurrentVal, NewVal}) -> + show('$#erlang-history-arg-mismatch', + "Log file argument ~p changed value from ~p to ~p " + "and cannot be automatically updated. Please clear the " + "history files and try again.~n", + [OptName, CurrentVal, NewVal]); +handle_open_error({not_a_log_file, FileName}) -> + show_invalid_file_warning(FileName); +handle_open_error({invalid_index_file, FileName}) -> + show_invalid_file_warning(FileName); +handle_open_error({invalid_header, Term}) -> + show('$#erlang-history-invalid-header', + "Shell history expects to be able to use the log files " + "which currently have unknown headers (~p) and may belong to " + "another mechanism. History logging will be " + "disabled.~n", + [Term]); +handle_open_error({file_error, FileName, Reason}) -> + show('$#erlang-history-file-error', + "Error handling File ~ts. Reason: ~p~n" + "History logging will be disabled.~n", + [FileName, Reason]); +handle_open_error(Err) -> + show_unexpected_warning({disk_log, open, 1}, Err). + +find_wrap_values() -> + ConfSize = case application:get_env(kernel, shell_history_file_bytes) of + undefined -> ?DEFAULT_SIZE; + {ok, S} -> S + end, + SizePerFile = max(?MIN_HISTORY_SIZE, ConfSize div ?MAX_HISTORY_FILES), + FileCount = if SizePerFile > ?MIN_HISTORY_SIZE -> + ?MAX_HISTORY_FILES + ; SizePerFile =< ?MIN_HISTORY_SIZE -> + max(1, ConfSize div SizePerFile) + end, + {SizePerFile, FileCount}. + +report_repairs(_, _, 0) -> + %% just a regular close repair + ok; +report_repairs(_, Good, Bad) -> + show('$#erlang-history-report-repairs', + "The shell history log file was corrupted and was repaired. " + "~p bytes were recovered and ~p were lost.~n", [Good, Bad]). + +resize_log(Name, _OldSize, NewSize) -> + show('$#erlang-history-resize-attempt', + "Attempting to resize the log history file to ~p...", [NewSize]), + Opts = lists:keydelete(size, 1, log_options()), + _ = case disk_log:open(Opts) of + {error, {need_repair, _}} -> + _ = repair_log(Name), + disk_log:open(Opts); + _ -> + ok + end, + case disk_log:change_size(Name, NewSize) of + ok -> + show('$#erlang-history-resize-result', + "ok~n", []); + {error, {new_size_too_small, _}} -> + show('$#erlang-history-resize-result', + "failed (new size is too small)~n", []), + disable_history(); + {error, Reason} -> + show('$#erlang-history-resize-result', + "failed (~p)~n", [Reason]), + disable_history() + end. + +upgrade_version(_Name, Unsupported) -> + %% We only know of one version and can't support a newer one + show('$#erlang-history-upgrade', + "The version for the shell logs found on disk (~p) is " + "not supported by the current version (~p)~n", + [Unsupported, ?VSN]), + disable_history(). + +disable_history() -> + show('$#erlang-history-disable', "Disabling shell history logging.~n", []), + application:set_env(kernel, shell_history, force_disabled). + +find_path() -> + case application:get_env(kernel, shell_history_path) of + undefined -> filename:basedir(user_cache, "erlang-history"); + {ok, Path} -> Path + end. + +to_drop() -> + case application:get_env(kernel, shell_history_drop) of + undefined -> + application:set_env(kernel, shell_history_drop, ?DEFAULT_DROP), + ?DEFAULT_DROP; + {ok, V} when is_list(V) -> [Ln++"\n" || Ln <- V]; + {ok, _} -> ?DEFAULT_DROP + end. + +%%%%%%%%%%%%%%%%%%%%%%%% +%%% Output functions %%% +%%%%%%%%%%%%%%%%%%%%%%%% +show_rename_warning() -> + show('$#erlang-history-rename-warn', + "A history file with a different path has already " + "been started for the shell of this node. The old " + "name will keep being used for this session.~n", + []). + +show_invalid_file_warning(FileName) -> + show('$#erlang-history-invalid-file', + "Shell history expects to be able to use the file ~ts " + "which currently exists and is not a file usable for " + "history logging purposes. History logging will be " + "disabled.~n", [FileName]). + +show_unexpected_warning({M,F,A}, Term) -> + show('$#erlang-history-unexpected-return', + "unexpected return value from ~p:~p/~p: ~p~n" + "shell history will be disabled for this session.~n", + [M,F,A,Term]). + +show_unexpected_close_warning() -> + show('$#erlang-history-unexpected-close', + "The shell log file has mysteriousy closed. Ignoring " + "currently unread history.~n", []). + +show_size_warning(_Current, _New) -> + show('$#erlang-history-size', + "The configured log history file size is different from " + "the size of the log file on disk.~n", []). + +show(Key, Format, Args) -> + case get(Key) of + undefined -> + io:format(standard_error, Format, Args), + put(Key, true), + ok; + true -> + ok + end. diff --git a/lib/kernel/src/heart.erl b/lib/kernel/src/heart.erl index eea78aabdf..8fa48d56fb 100644 --- a/lib/kernel/src/heart.erl +++ b/lib/kernel/src/heart.erl @@ -198,16 +198,11 @@ start_portprogram() -> end. get_heart_timeouts() -> - HeartOpts = case os:getenv("HEART_BEAT_TIMEOUT") of - false -> ""; - H when is_list(H) -> - "-ht " ++ H - end, - HeartOpts ++ case os:getenv("HEART_BEAT_BOOT_DELAY") of - false -> ""; - W when is_list(W) -> - " -wt " ++ W - end. + case os:getenv("HEART_BEAT_TIMEOUT") of + false -> ""; + H when is_list(H) -> + "-ht " ++ H + end. check_start_heart() -> case init:get_argument(heart) of diff --git a/lib/kernel/src/hipe_ext_format.hrl b/lib/kernel/src/hipe_ext_format.hrl index 102cb49a2b..05c678fdec 100644 --- a/lib/kernel/src/hipe_ext_format.hrl +++ b/lib/kernel/src/hipe_ext_format.hrl @@ -1,3 +1,15 @@ +%% 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. + %% hipe_x86_ext_format.hrl %% Definitions for unified external object format %% Currently: sparc, x86, amd64 diff --git a/lib/kernel/src/hipe_unified_loader.erl b/lib/kernel/src/hipe_unified_loader.erl index 087cceb5d8..f4c7c277ed 100644 --- a/lib/kernel/src/hipe_unified_loader.erl +++ b/lib/kernel/src/hipe_unified_loader.erl @@ -1,4 +1,15 @@ %% -*- erlang-indent-level: 2 -*- +%% 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. %% ======================================================================= %% Filename : hipe_unified_loader.erl %% Module : hipe_unified_loader @@ -41,10 +52,11 @@ % I think the real solution would be to let BIF erlang:load_module/2 redirect all % hipe calls to the module and thereby remove post_beam_load. +% SVERK: Can we remove -compile(no_native) now when post_beam_load is gone? + -export([chunk_name/1, %% Only the code and code_server modules may call the entries below! load_native_code/3, - post_beam_load/1, load_module/4, load/3]). @@ -101,15 +113,13 @@ word_size(Architecture) -> load_native_code(_Mod, _Bin, undefined) -> no_native; load_native_code(Mod, Bin, Architecture) when is_atom(Mod), is_binary(Bin) -> - %% patch_to_emu(Mod), case code:get_chunk(Bin, chunk_name(Architecture)) of undefined -> no_native; NativeCode when is_binary(NativeCode) -> erlang:system_flag(multi_scheduling, block_normal), try - OldReferencesToPatch = patch_to_emu_step1(Mod), - case load_module(Mod, NativeCode, Bin, OldReferencesToPatch, - Architecture) of + put(hipe_patch_closures, false), + case load_common(Mod, NativeCode, Bin, Architecture) of bad_crc -> no_native; Result -> Result end @@ -120,22 +130,6 @@ load_native_code(Mod, Bin, Architecture) when is_atom(Mod), is_binary(Bin) -> %%======================================================================== --spec post_beam_load([module()]) -> 'ok'. - -post_beam_load([])-> - ok; -post_beam_load([_|_]=Mods) -> - erlang:system_flag(multi_scheduling, block_normal), - try - _ = [patch_to_emu(Mod) || Mod <- Mods], - ok - after - erlang:system_flag(multi_scheduling, unblock_normal) - end, - ok. - -%%======================================================================== - version_check(Version, Mod) when is_atom(Mod) -> Ver = ?VERSION_STRING(), case Version < Ver of @@ -153,19 +147,12 @@ version_check(Version, Mod) when is_atom(Mod) -> load_module(Mod, Bin, Beam, Architecture) -> erlang:system_flag(multi_scheduling, block_normal), try - load_module_nosmp(Mod, Bin, Beam, Architecture) + put(hipe_patch_closures, false), + load_common(Mod, Bin, Beam, Architecture) after erlang:system_flag(multi_scheduling, unblock_normal) end. -load_module_nosmp(Mod, Bin, Beam, Architecture) -> - load_module(Mod, Bin, Beam, [], Architecture). - -load_module(Mod, Bin, Beam, OldReferencesToPatch, Architecture) -> - ?debug_msg("************ Loading Module ~w ************\n",[Mod]), - %% Loading a whole module, let the BEAM loader patch closures. - put(hipe_patch_closures, false), - load_common(Mod, Bin, Beam, OldReferencesToPatch, Architecture). %%======================================================================== @@ -175,20 +162,17 @@ load_module(Mod, Bin, Beam, OldReferencesToPatch, Architecture) -> load(Mod, Bin, Architecture) -> erlang:system_flag(multi_scheduling, block_normal), try - load_nosmp(Mod, Bin, Architecture) + ?debug_msg("********* Loading funs in module ~w *********\n",[Mod]), + %% Loading just some functions in a module; patch closures separately. + put(hipe_patch_closures, true), + load_common(Mod, Bin, [], Architecture) after erlang:system_flag(multi_scheduling, unblock_normal) end. -load_nosmp(Mod, Bin, Architecture) -> - ?debug_msg("********* Loading funs in module ~w *********\n",[Mod]), - %% Loading just some functions in a module; patch closures separately. - put(hipe_patch_closures, true), - load_common(Mod, Bin, [], [], Architecture). - %%------------------------------------------------------------------------ -load_common(Mod, Bin, Beam, OldReferencesToPatch, Architecture) -> +load_common(Mod, Bin, Beam, Architecture) -> %% Unpack the binary. [{Version, CheckSum}, ConstAlign, ConstSize, ConstMap, LabelMap, ExportMap, @@ -215,29 +199,31 @@ load_common(Mod, Bin, Beam, OldReferencesToPatch, Architecture) -> put(closures_to_patch, []), WordSize = word_size(Architecture), WriteWord = write_word_fun(WordSize), + LoaderState = hipe_bifs:alloc_loader_state(Mod), + put(hipe_loader_state, LoaderState), %% Create data segment {ConstAddr,ConstMap2} = - create_data_segment(ConstAlign, ConstSize, ConstMap, WriteWord), + create_data_segment(ConstAlign, ConstSize, ConstMap, WriteWord, + LoaderState), %% Find callees for which we may need trampolines. CalleeMFAs = find_callee_mfas(Refs, Architecture), %% Write the code to memory. {CodeAddress,Trampolines} = - enter_code(CodeSize, CodeBinary, CalleeMFAs, Mod, Beam), + enter_code(CodeSize, CodeBinary, CalleeMFAs, LoaderState), %% Construct CalleeMFA-to-trampoline mapping. TrampolineMap = mk_trampoline_map(CalleeMFAs, Trampolines, Architecture), %% Patch references to code labels in data seg. ok = patch_consts(LabelMap, ConstAddr, CodeAddress, WriteWord), + %% Find out which functions are being loaded (and where). - %% Note: Addresses are sorted descending. - {MFAs,Addresses} = exports(ExportMap, CodeAddress), - %% Remove references to old versions of the module. - ReferencesToPatch = get_refs_from(MFAs, []), - %% io:format("References to patch: ~w~n", [ReferencesToPatch]), - ok = remove_refs_from(MFAs), + %% Note: FunDefs are sorted descending address order. + FunDefs = exports(ExportMap, CodeAddress), + %% Patch all dynamic references in the code. %% Function calls, Atoms, Constants, System calls - ok = patch(Refs, CodeAddress, ConstMap2, Addresses, TrampolineMap), + + ok = patch(Refs, CodeAddress, ConstMap2, FunDefs, TrampolineMap), %% Tell the system where the loaded funs are. %% (patches the BEAM code to redirect to native.) @@ -250,25 +236,22 @@ load_common(Mod, Bin, Beam, OldReferencesToPatch, Architecture) -> lists:foreach(fun({FE, DestAddress}) -> hipe_bifs:set_native_address_in_fe(FE, DestAddress) end, erase(closures_to_patch)), - export_funs(Addresses), + ok = hipe_bifs:commit_patch_load(LoaderState), + set_beam_call_traps(FunDefs), ok; BeamBinary when is_binary(BeamBinary) -> %% Find all closures in the code. [] = erase(closures_to_patch), %Clean up, assertion. ClosurePatches = find_closure_patches(Refs), AddressesOfClosuresToPatch = - calculate_addresses(ClosurePatches, CodeAddress, Addresses), - export_funs(Addresses), - export_funs(Mod, MD5, BeamBinary, - Addresses, AddressesOfClosuresToPatch) + calculate_addresses(ClosurePatches, CodeAddress, FunDefs), + export_funs(FunDefs), + make_beam_stub(Mod, LoaderState, MD5, BeamBinary, FunDefs, + AddressesOfClosuresToPatch) end, - %% Redirect references to the old module to the new module's BEAM stub. - patch_to_emu_step2(OldReferencesToPatch), - %% Patch referring functions to call the new function - %% The call to export_funs/1 above updated the native addresses - %% for the targets, so passing 'Addresses' is not needed. - redirect(ReferencesToPatch), + %% Final clean up. + _ = erase(hipe_loader_state), _ = erase(hipe_patch_closures), _ = erase(hipe_assert_code_area), ?debug_msg("****************Loader Finished****************\n", []), @@ -371,31 +354,31 @@ trampoline_map_lookup(Primop, Map) -> is_exported :: boolean()}). exports(ExportMap, BaseAddress) -> - exports(ExportMap, BaseAddress, [], []). + exports(ExportMap, BaseAddress, []). -exports([Offset,M,F,A,IsClosure,IsExported|Rest], BaseAddress, MFAs, Addresses) -> +exports([Offset,M,F,A,IsClosure,IsExported|Rest], BaseAddress, FunDefs) -> case IsExported andalso erlang:is_builtin(M, F, A) of true -> - exports(Rest, BaseAddress, MFAs, Addresses); + exports(Rest, BaseAddress, FunDefs); _false -> MFA = {M,F,A}, Address = BaseAddress + Offset, FunDef = #fundef{address=Address, mfa=MFA, is_closure=IsClosure, is_exported=IsExported}, - exports(Rest, BaseAddress, [MFA|MFAs], [FunDef|Addresses]) + exports(Rest, BaseAddress, [FunDef|FunDefs]) end; -exports([], _, MFAs, Addresses) -> - {MFAs, Addresses}. +exports([], _, FunDefs) -> + FunDefs. mod({M,_F,_A}) -> M. %%------------------------------------------------------------------------ -calculate_addresses(PatchOffsets, Base, Addresses) -> +calculate_addresses(PatchOffsets, Base, FunDefs) -> RemoteOrLocal = local, % closure code refs are local [{Data, offsets_to_addresses(Offsets, Base), - get_native_address(DestMFA, Addresses, RemoteOrLocal)} || + get_native_address(DestMFA, FunDefs, RemoteOrLocal)} || {{DestMFA,_,_}=Data,Offsets} <- PatchOffsets]. offsets_to_addresses(Os, Base) -> @@ -424,9 +407,9 @@ find_closure_refs([], Refs) -> %%------------------------------------------------------------------------ -export_funs([FunDef | Addresses]) -> +set_beam_call_traps([FunDef | FunDefs]) -> #fundef{address=Address, mfa=MFA, is_closure=IsClosure, - is_exported=IsExported} = FunDef, + is_exported=_IsExported} = FunDef, ?IF_DEBUG({M,F,A} = MFA, no_debug), ?IF_DEBUG( case IsClosure of @@ -437,21 +420,38 @@ export_funs([FunDef | Addresses]) -> ?debug_msg("LINKING: ~w:~w/~w to closure (0x~.16b)\n", [M,F,A, Address]) end, no_debug), - hipe_bifs:set_funinfo_native_address(MFA, Address, IsExported), hipe_bifs:set_native_address(MFA, Address, IsClosure), - export_funs(Addresses); + set_beam_call_traps(FunDefs); +set_beam_call_traps([]) -> + ok. + +export_funs([FunDef | FunDefs]) -> + #fundef{address=Address, mfa=MFA, is_closure=_IsClosure, + is_exported=IsExported} = FunDef, + ?IF_DEBUG({M,F,A} = MFA, no_debug), + ?IF_DEBUG( + case _IsClosure of + false -> + ?debug_msg("LINKING: ~w:~w/~w to (0x~.16b)\n", + [M,F,A, Address]); + true -> + ?debug_msg("LINKING: ~w:~w/~w to closure (0x~.16b)\n", + [M,F,A, Address]) + end, no_debug), + hipe_bifs:set_funinfo_native_address(MFA, Address, IsExported), + export_funs(FunDefs); export_funs([]) -> ok. -export_funs(Mod, MD5, Beam, Addresses, ClosuresToPatch) -> - Fs = [{F,A,Address} || #fundef{address=Address, mfa={_M,F,A}} <- Addresses], - Mod = code:make_stub_module(Mod, Beam, {Fs,ClosuresToPatch,MD5}), +make_beam_stub(Mod, LoaderState, MD5, Beam, FunDefs, ClosuresToPatch) -> + Fs = [{F,A,Address} || #fundef{address=Address, mfa={_M,F,A}} <- FunDefs], + Mod = code:make_stub_module(LoaderState, Beam, {Fs,ClosuresToPatch,MD5}), ok. %%======================================================================== %% Patching %% @spec patch(refs(), BaseAddress::integer(), ConstAndZone::term(), -%% Addresses::term(), TrampolineMap::term()) -> 'ok'. +%% FunDefs::term(), TrampolineMap::term()) -> 'ok'. %% @type refs()=[{RefType::integer(), Reflist::reflist()} | refs()] %% %% @type reflist()= [{Data::term(), Offsets::offests()}|reflist()] @@ -463,39 +463,39 @@ export_funs(Mod, MD5, Beam, Addresses, ClosuresToPatch) -> %% (we use this to look up the address of a referred function only once). %% -patch([{Type,SortedRefs}|Rest], CodeAddress, ConstMap2, Addresses, TrampolineMap) -> +patch([{Type,SortedRefs}|Rest], CodeAddress, ConstMap2, FunDefs, TrampolineMap) -> ?debug_msg("Patching ~w at [~w+offset] with ~w\n", [Type,CodeAddress,SortedRefs]), case ?EXT2PATCH_TYPE(Type) of call_local -> - patch_call(SortedRefs, CodeAddress, Addresses, 'local', TrampolineMap); + patch_call(SortedRefs, CodeAddress, FunDefs, 'local', TrampolineMap); call_remote -> - patch_call(SortedRefs, CodeAddress, Addresses, 'remote', TrampolineMap); + patch_call(SortedRefs, CodeAddress, FunDefs, 'remote', TrampolineMap); Other -> - patch_all(Other, SortedRefs, CodeAddress, {ConstMap2,CodeAddress}, Addresses) + patch_all(Other, SortedRefs, CodeAddress, {ConstMap2,CodeAddress}, FunDefs) end, - patch(Rest, CodeAddress, ConstMap2, Addresses, TrampolineMap); + patch(Rest, CodeAddress, ConstMap2, FunDefs, TrampolineMap); patch([], _, _, _, _) -> ok. %%---------------------------------------------------------------- %% Handle a 'call_local' or 'call_remote' patch. %% -patch_call([{DestMFA,Offsets}|SortedRefs], BaseAddress, Addresses, RemoteOrLocal, TrampolineMap) -> +patch_call([{DestMFA,Offsets}|SortedRefs], BaseAddress, FunDefs, RemoteOrLocal, TrampolineMap) -> case bif_address(DestMFA) of false -> - %% Previous code used mfa_to_address(DestMFA, Addresses) + %% Previous code used mfa_to_address(DestMFA, FunDefs) %% here for local calls. That is wrong because even local - %% destinations may not be present in Addresses: they may + %% destinations may not be present in FunDefs: they may %% not have been compiled yet, or they may be BEAM-only %% functions (e.g. module_info). - DestAddress = get_native_address(DestMFA, Addresses, RemoteOrLocal), + DestAddress = get_native_address(DestMFA, FunDefs, RemoteOrLocal), Trampoline = trampoline_map_get(DestMFA, TrampolineMap), - patch_mfa_call_list(Offsets, BaseAddress, DestMFA, DestAddress, Addresses, RemoteOrLocal, Trampoline); + patch_mfa_call_list(Offsets, BaseAddress, DestMFA, DestAddress, FunDefs, RemoteOrLocal, Trampoline); BifAddress when is_integer(BifAddress) -> Trampoline = trampoline_map_lookup(DestMFA, TrampolineMap), patch_bif_call_list(Offsets, BaseAddress, BifAddress, Trampoline) end, - patch_call(SortedRefs, BaseAddress, Addresses, RemoteOrLocal, TrampolineMap); + patch_call(SortedRefs, BaseAddress, FunDefs, RemoteOrLocal, TrampolineMap); patch_call([], _, _, _, _) -> ok. @@ -506,49 +506,48 @@ patch_bif_call_list([Offset|Offsets], BaseAddress, BifAddress, Trampoline) -> patch_bif_call_list(Offsets, BaseAddress, BifAddress, Trampoline); patch_bif_call_list([], _, _, _) -> ok. -patch_mfa_call_list([Offset|Offsets], BaseAddress, DestMFA, DestAddress, Addresses, RemoteOrLocal, Trampoline) -> +patch_mfa_call_list([Offset|Offsets], BaseAddress, DestMFA, DestAddress, FunDefs, RemoteOrLocal, Trampoline) -> CallAddress = BaseAddress+Offset, - add_ref(DestMFA, CallAddress, Addresses, 'call', Trampoline, RemoteOrLocal), + add_ref(DestMFA, CallAddress, FunDefs, 'call', Trampoline, RemoteOrLocal), ?ASSERT(assert_local_patch(CallAddress)), patch_call_insn(CallAddress, DestAddress, Trampoline), - patch_mfa_call_list(Offsets, BaseAddress, DestMFA, DestAddress, Addresses, RemoteOrLocal, Trampoline); + patch_mfa_call_list(Offsets, BaseAddress, DestMFA, DestAddress, FunDefs, RemoteOrLocal, Trampoline); patch_mfa_call_list([], _, _, _, _, _, _) -> ok. patch_call_insn(CallAddress, DestAddress, Trampoline) -> - %% This assertion is false when we're called from redirect/2. - %% ?ASSERT(assert_local_patch(CallAddress)), + ?ASSERT(assert_local_patch(CallAddress)), hipe_bifs:patch_call(CallAddress, DestAddress, Trampoline). %% ____________________________________________________________________ %% -patch_all(Type, [{Dest,Offsets}|Rest], BaseAddress, ConstAndZone, Addresses)-> - patch_all_offsets(Type, Dest, Offsets, BaseAddress, ConstAndZone, Addresses), - patch_all(Type, Rest, BaseAddress, ConstAndZone, Addresses); +patch_all(Type, [{Dest,Offsets}|Rest], BaseAddress, ConstAndZone, FunDefs)-> + patch_all_offsets(Type, Dest, Offsets, BaseAddress, ConstAndZone, FunDefs), + patch_all(Type, Rest, BaseAddress, ConstAndZone, FunDefs); patch_all(_, [], _, _, _) -> ok. patch_all_offsets(Type, Data, [Offset|Offsets], BaseAddress, - ConstAndZone, Addresses) -> + ConstAndZone, FunDefs) -> ?debug_msg("Patching ~w at [~w+~w] with ~w\n", [Type,BaseAddress,Offset, Data]), Address = BaseAddress + Offset, - patch_offset(Type, Data, Address, ConstAndZone, Addresses), + patch_offset(Type, Data, Address, ConstAndZone, FunDefs), ?debug_msg("Patching done\n",[]), - patch_all_offsets(Type, Data, Offsets, BaseAddress, ConstAndZone, Addresses); + patch_all_offsets(Type, Data, Offsets, BaseAddress, ConstAndZone, FunDefs); patch_all_offsets(_, _, [], _, _, _) -> ok. %%---------------------------------------------------------------- %% Handle any patch type except 'call_local' or 'call_remote'. %% -patch_offset(Type, Data, Address, ConstAndZone, Addresses) -> +patch_offset(Type, Data, Address, ConstAndZone, FunDefs) -> case Type of load_address -> - patch_load_address(Data, Address, ConstAndZone, Addresses); + patch_load_address(Data, Address, ConstAndZone, FunDefs); load_atom -> Atom = Data, patch_atom(Address, Atom); sdesc -> - patch_sdesc(Data, Address, ConstAndZone, Addresses); + patch_sdesc(Data, Address, ConstAndZone, FunDefs); x86_abs_pcrel -> patch_instr(Address, Data, x86_abs_pcrel) %% _ -> @@ -561,37 +560,38 @@ patch_atom(Address, Atom) -> patch_instr(Address, hipe_bifs:atom_to_word(Atom), atom). patch_sdesc(?STACK_DESC(SymExnRA, FSize, Arity, Live), - Address, {_ConstMap2,CodeAddress}, _Addresses) -> + Address, {_ConstMap2,CodeAddress}, FunDefs) -> ExnRA = case SymExnRA of [] -> 0; % No catch LabelOffset -> CodeAddress + LabelOffset end, ?ASSERT(assert_local_patch(Address)), - DBG_MFA = ?IF_DEBUG(address_to_mfa_lth(Address, _Addresses), {undefined,undefined,0}), - hipe_bifs:enter_sdesc({Address, ExnRA, FSize, Arity, Live, DBG_MFA}). + MFA = address_to_mfa_lth(Address, FunDefs), + hipe_bifs:enter_sdesc({Address, ExnRA, FSize, Arity, Live, MFA}, + get(hipe_loader_state)). %%---------------------------------------------------------------- %% Handle a 'load_address'-type patch. %% -patch_load_address(Data, Address, ConstAndZone, Addresses) -> +patch_load_address(Data, Address, ConstAndZone, FunDefs) -> case Data of {local_function,DestMFA} -> - patch_load_mfa(Address, DestMFA, Addresses, 'local'); + patch_load_mfa(Address, DestMFA, FunDefs, 'local'); {remote_function,DestMFA} -> - patch_load_mfa(Address, DestMFA, Addresses, 'remote'); + patch_load_mfa(Address, DestMFA, FunDefs, 'remote'); {constant,Name} -> {ConstMap2,_CodeAddress} = ConstAndZone, ConstAddress = find_const(Name, ConstMap2), patch_instr(Address, ConstAddress, constant); {closure,{DestMFA,Uniq,Index}} -> - patch_closure(DestMFA, Uniq, Index, Address, Addresses); + patch_closure(DestMFA, Uniq, Index, Address, FunDefs); {c_const,CConst} -> patch_instr(Address, bif_address(CConst), c_const) end. -patch_closure(DestMFA, Uniq, Index, Address, Addresses) -> +patch_closure(DestMFA, Uniq, Index, Address, FunDefs) -> case get(hipe_patch_closures) of false -> []; % This is taken care of when registering the module. @@ -602,7 +602,7 @@ patch_closure(DestMFA, Uniq, Index, Address, Addresses) -> %% address into the fun entry to ensure that the native code cannot %% be called until it has been completely fixed up. RemoteOrLocal = local, % closure code refs are local - DestAddress = get_native_address(DestMFA, Addresses, RemoteOrLocal), + DestAddress = get_native_address(DestMFA, FunDefs, RemoteOrLocal), BEAMAddress = hipe_bifs:fun_to_address(DestMFA), FE = hipe_bifs:get_fe(mod(DestMFA), {Uniq, Index, BEAMAddress}), put(closures_to_patch, [{FE,DestAddress}|get(closures_to_patch)]), @@ -616,17 +616,17 @@ patch_closure(DestMFA, Uniq, Index, Address, Addresses) -> %% Patch an instruction loading the address of an MFA. %% RemoteOrLocal ::= 'remote' | 'local' %% -patch_load_mfa(CodeAddress, DestMFA, Addresses, RemoteOrLocal) -> +patch_load_mfa(CodeAddress, DestMFA, FunDefs, RemoteOrLocal) -> + ?ASSERT(assert_local_patch(CodeAddress)), DestAddress = case bif_address(DestMFA) of false -> - NativeAddress = get_native_address(DestMFA, Addresses, RemoteOrLocal), - add_ref(DestMFA, CodeAddress, Addresses, 'load_mfa', [], RemoteOrLocal), + NativeAddress = get_native_address(DestMFA, FunDefs, RemoteOrLocal), + add_ref(DestMFA, CodeAddress, FunDefs, 'load_mfa', [], RemoteOrLocal), NativeAddress; BifAddress when is_integer(BifAddress) -> BifAddress end, - ?ASSERT(assert_local_patch(CodeAddress)), patch_instr(CodeAddress, DestAddress, 'load_mfa'). %%---------------------------------------------------------------- @@ -702,9 +702,9 @@ bif_address(Name) when is_atom(Name) -> %% memory, and produces a ConstMap2 mapping each constant's ConstNo to %% its runtime address, tagged if the constant is a term. %% -create_data_segment(DataAlign, DataSize, DataList, WriteWord) -> +create_data_segment(DataAlign, DataSize, DataList, WriteWord, LoaderState) -> %%io:format("create_data_segment: \nDataAlign: ~p\nDataSize: ~p\nDataList: ~p\n",[DataAlign,DataSize,DataList]), - DataAddress = hipe_bifs:alloc_data(DataAlign, DataSize), + DataAddress = hipe_bifs:alloc_data(DataAlign, DataSize, LoaderState), enter_data(DataList, [], DataAddress, DataSize, WriteWord). enter_data(List, ConstMap2, DataAddress, DataSize, WriteWord) -> @@ -772,7 +772,7 @@ find_const(ConstNo, []) -> %%---------------------------------------------------------------- %% Record that the code at address 'Address' has a reference %% of type 'RefType' ('call' or 'load_mfa') to 'CalleeMFA'. -%% 'Addresses' must be an address-descending list from exports/2. +%% 'FunDefs' must be an address-descending list from exports/2. %% %% If 'RefType' is 'call', then 'Trampoline' may be the address %% of a stub branching to 'CalleeMFA', where the stub is reachable @@ -781,34 +781,29 @@ find_const(ConstNo, []) -> %% RemoteOrLocal ::= 'remote' | 'local'. %% -%% -%% -record(ref, {caller_mfa, address, ref_type, trampoline, remote_or_local}). -%% +add_ref(CalleeMFA, Address, FunDefs, RefType, Trampoline, RemoteOrLocal) -> + CallerMFA = address_to_mfa_lth(Address, FunDefs), + case RemoteOrLocal of + local -> + %% assert that the callee and caller are from the same module + {M,_,_} = CalleeMFA, + {M,_,_} = CallerMFA, + ok; + remote -> + hipe_bifs:add_ref(CalleeMFA, {CallerMFA,Address,RefType,Trampoline, + get(hipe_loader_state)}) + end. -add_ref(CalleeMFA, Address, Addresses, RefType, Trampoline, RemoteOrLocal) -> - CallerMFA = address_to_mfa_lth(Address, Addresses), - %% just a sanity assertion below - true = case RemoteOrLocal of - local -> - {M1,_,_} = CalleeMFA, - {M2,_,_} = CallerMFA, - M1 =:= M2; - remote -> - true - end, - %% io:format("Adding ref ~w\n",[{CallerMFA, CalleeMFA, Address, RefType}]), - hipe_bifs:add_ref(CalleeMFA, {CallerMFA,Address,RefType,Trampoline,RemoteOrLocal}). - -% For FunDefs sorted from low to high addresses +%% For FunDefs sorted from low to high addresses address_to_mfa_lth(Address, FunDefs) -> - case address_to_mfa_lth(Address, FunDefs, false) of - false -> - ?error_msg("Local adddress not found ~w\n",[Address]), - exit({?MODULE, local_address_not_found}); - MFA -> - MFA - end. - + case address_to_mfa_lth(Address, FunDefs, false) of + false -> + ?error_msg("Local adddress not found ~w\n",[Address]), + exit({?MODULE, local_address_not_found}); + MFA -> + MFA + end. + address_to_mfa_lth(Address, [#fundef{address=Adr, mfa=MFA}|Rest], Prev) -> if Address < Adr -> Prev; @@ -818,107 +813,33 @@ address_to_mfa_lth(Address, [#fundef{address=Adr, mfa=MFA}|Rest], Prev) -> address_to_mfa_lth(_Address, [], Prev) -> Prev. -% For FunDefs sorted from high to low addresses +%% For FunDefs sorted from high to low addresses %% address_to_mfa_htl(Address, [#fundef{address=Adr, mfa=MFA}|_Rest]) when Address >= Adr -> MFA; %% address_to_mfa_htl(Address, [_ | Rest]) -> address_to_mfa_htl(Address, Rest); %% address_to_mfa_htl(Address, []) -> %% ?error_msg("Local adddress not found ~w\n",[Address]), %% exit({?MODULE, local_address_not_found}). -%%---------------------------------------------------------------- -%% Change callers of the given module to instead trap to BEAM. -%% load_native_code/3 calls this just before loading native code. -%% -patch_to_emu(Mod) -> - patch_to_emu_step2(patch_to_emu_step1(Mod)). - -%% Step 1 must occur before the loading of native code updates -%% references information or creates a new BEAM stub module. -patch_to_emu_step1(Mod) -> - case is_loaded(Mod) of - true -> - %% Get exported functions - MFAs = [{Mod,Fun,Arity} || {Fun,Arity} <- Mod:module_info(exports)], - %% get_refs_from/2 only finds references from compiled static - %% call sites to the module, but some native address entries - %% were added as the result of dynamic apply calls. We must - %% purge them too, but we have no explicit record of them. - %% Therefore invalidate all native addresses for the module. - hipe_bifs:invalidate_funinfo_native_addresses(MFAs), - %% Find all call sites that call these MFAs. As a side-effect, - %% create native stubs for any MFAs that are referred. - ReferencesToPatch = get_refs_from(MFAs, []), - ok = remove_refs_from(MFAs), - ReferencesToPatch; - false -> - %% The first time we load the module, no redirection needs to be done. - [] - end. - -%% Step 2 must occur after the new BEAM stub module is created. -patch_to_emu_step2(ReferencesToPatch) -> - redirect(ReferencesToPatch). - --spec is_loaded(Module::atom()) -> boolean(). -%% @doc Checks whether a module is loaded or not. -is_loaded(M) when is_atom(M) -> - try hipe_bifs:fun_to_address({M,module_info,0}) of - I when is_integer(I) -> true - catch _:_ -> false - end. - -%%-------------------------------------------------------------------- -%% Given a list of MFAs, tag them with their referred_from references. -%% The resulting {MFA,Refs} list is later passed to redirect/1, once -%% the MFAs have been bound to (possibly new) native-code addresses. -%% -get_refs_from(MFAs, []) -> - mark_referred_from(MFAs), - MFAs. - -mark_referred_from(MFAs) -> - lists:foreach(fun(MFA) -> hipe_bifs:mark_referred_from(MFA) end, MFAs). - -%%-------------------------------------------------------------------- -%% Given a list of MFAs with referred_from references, update their -%% callers to refer to their new native-code addresses. -%% -%% The {MFA,Refs} list must come from get_refs_from/2. -%% -redirect(MFAs) -> - lists:foreach(fun(MFA) -> hipe_bifs:redirect_referred_from(MFA) end, MFAs). - -%%-------------------------------------------------------------------- -%% Given a list of MFAs, remove all referred_from references having -%% any of them as CallerMFA. -%% -%% This is the only place using refers_to. Whenever a reference is -%% added from CallerMFA to CalleeMFA, CallerMFA is added to CalleeMFA's -%% referred_from list, and CalleeMFA is added to CallerMFA's refers_to -%% list. The refers_to list is used here to find the CalleeMFAs whose -%% referred_from lists should be updated. -%% -remove_refs_from(MFAs) -> - lists:foreach(fun(MFA) -> hipe_bifs:remove_refs_from(MFA) end, MFAs). %%-------------------------------------------------------------------- %% To find the native code of an MFA we need to look in 3 places: -%% 1. If it is compiled now look in the Addresses data structure. +%% 1. If it is compiled now look in the FunDefs data structure. %% 2. Then look in native_addresses from module info. %% 3. Then (the function might have been singled compiled) look in %% hipe_funinfo %% If all else fails create a native stub for the MFA -get_native_address(MFA, Addresses, RemoteOrLocal) -> - case mfa_to_address(MFA, Addresses, RemoteOrLocal) of +get_native_address(MFA, FunDefs, RemoteOrLocal) -> + case mfa_to_address(MFA, FunDefs, RemoteOrLocal) of Adr when is_integer(Adr) -> Adr; false -> - IsRemote = case RemoteOrLocal of - remote -> true; - local -> false - end, - hipe_bifs:find_na_or_make_stub(MFA, IsRemote) + remote -> + hipe_bifs:find_na_or_make_stub(MFA); + local -> + ?error_msg("Local function ~p not found\n",[MFA]), + exit({function_not_found,MFA}) + end end. mfa_to_address(MFA, [#fundef{address=Adr, mfa=MFA, @@ -958,12 +879,10 @@ assert_local_patch(Address) when is_integer(Address) -> %% ____________________________________________________________________ %% -%% Beam: nil() | binary() (used as a flag) - -enter_code(CodeSize, CodeBinary, CalleeMFAs, Mod, Beam) -> +enter_code(CodeSize, CodeBinary, CalleeMFAs, LoaderState) -> true = byte_size(CodeBinary) =:= CodeSize, - hipe_bifs:update_code_size(Mod, Beam, CodeSize), - {CodeAddress,Trampolines} = hipe_bifs:enter_code(CodeBinary, CalleeMFAs), + {CodeAddress,Trampolines} = hipe_bifs:enter_code(CodeBinary, CalleeMFAs, + LoaderState), ?init_assert_patch(CodeAddress, byte_size(CodeBinary)), {CodeAddress,Trampolines}. diff --git a/lib/kernel/src/inet.erl b/lib/kernel/src/inet.erl index a91a6ed517..6aef5476f1 100644 --- a/lib/kernel/src/inet.erl +++ b/lib/kernel/src/inet.erl @@ -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. @@ -75,6 +75,7 @@ -export_type([address_family/0, hostent/0, hostname/0, ip4_address/0, ip6_address/0, ip_address/0, port_number/0, local_address/0, socket_address/0, returned_non_ip_address/0, + socket_setopt/0, socket_getopt/0, posix/0, socket/0, stat_option/0]). %% imports -import(lists, [append/1, duplicate/2, filter/2, foldl/3]). @@ -676,7 +677,7 @@ parse_strict_address(Addr) -> %% Return a list of available options options() -> [ - tos, priority, reuseaddr, keepalive, dontroute, linger, + tos, tclass, priority, reuseaddr, keepalive, dontroute, linger, broadcast, sndbuf, recbuf, nodelay, ipv6_v6only, buffer, header, active, packet, deliver, mode, multicast_if, multicast_ttl, multicast_loop, @@ -697,11 +698,11 @@ stats() -> %% Available options for tcp:connect %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% connect_options() -> - [tos, priority, reuseaddr, keepalive, linger, sndbuf, recbuf, nodelay, + [tos, tclass, priority, reuseaddr, keepalive, linger, sndbuf, recbuf, nodelay, header, active, packet, packet_size, buffer, mode, deliver, line_delimiter, exit_on_close, high_watermark, low_watermark, high_msgq_watermark, low_msgq_watermark, send_timeout, send_timeout_close, delay_send, raw, - show_econnreset]. + show_econnreset, bind_to_device]. connect_options(Opts, Mod) -> BaseOpts = @@ -765,11 +766,11 @@ con_add(Name, Val, #connect_opts{} = R, Opts, AllOpts) -> %% Available options for tcp:listen %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% listen_options() -> - [tos, priority, reuseaddr, keepalive, linger, sndbuf, recbuf, nodelay, + [tos, tclass, priority, reuseaddr, keepalive, linger, sndbuf, recbuf, nodelay, header, active, packet, buffer, mode, deliver, backlog, ipv6_v6only, exit_on_close, high_watermark, low_watermark, high_msgq_watermark, low_msgq_watermark, send_timeout, send_timeout_close, delay_send, - packet_size, raw, show_econnreset]. + packet_size, raw, show_econnreset, bind_to_device]. listen_options(Opts, Mod) -> BaseOpts = @@ -845,11 +846,11 @@ tcp_module_1(Opts, Address) -> %% Available options for udp:open %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% udp_options() -> - [tos, priority, reuseaddr, sndbuf, recbuf, header, active, buffer, mode, + [tos, tclass, priority, reuseaddr, sndbuf, recbuf, header, active, buffer, mode, deliver, ipv6_v6only, broadcast, dontroute, multicast_if, multicast_ttl, multicast_loop, add_membership, drop_membership, read_packets,raw, - high_msgq_watermark, low_msgq_watermark]. + high_msgq_watermark, low_msgq_watermark, bind_to_device]. udp_options(Opts, Mod) -> @@ -916,8 +917,9 @@ udp_module(Opts) -> % (*) passing of open FDs ("fdopen") is not supported. sctp_options() -> [ % The following are generic inet options supported for SCTP sockets: - mode, active, buffer, tos, priority, dontroute, reuseaddr, linger, sndbuf, + mode, active, buffer, tos, tclass, priority, dontroute, reuseaddr, linger, sndbuf, recbuf, ipv6_v6only, high_msgq_watermark, low_msgq_watermark, + bind_to_device, % Other options are SCTP-specific (though they may be similar to their % TCP and UDP counter-parts): @@ -1054,7 +1056,6 @@ binary2filename(Bin) -> Bin end. - translate_ip(any, inet) -> {0,0,0,0}; translate_ip(loopback, inet) -> {127,0,0,1}; translate_ip(any, inet6) -> {0,0,0,0,0,0,0,0}; diff --git a/lib/kernel/src/inet6_tcp_dist.erl b/lib/kernel/src/inet6_tcp_dist.erl index 3aa61973af..9b6c2745d5 100644 --- a/lib/kernel/src/inet6_tcp_dist.erl +++ b/lib/kernel/src/inet6_tcp_dist.erl @@ -24,6 +24,7 @@ -export([listen/1, accept/1, accept_connection/5, setup/5, close/1, select/1, is_node_name/1]). +-export([setopts/2, getopts/2]). %% ------------------------------------------------------------ %% Select this protocol based on node name @@ -72,3 +73,9 @@ close(Socket) -> is_node_name(Node) when is_atom(Node) -> inet_tcp_dist:is_node_name(Node). + +setopts(S, Opts) -> + inet_tcp_dist:setopts(S, Opts). + +getopts(S, Opts) -> + inet_tcp_dist:getopts(S, Opts). diff --git a/lib/kernel/src/inet_db.erl b/lib/kernel/src/inet_db.erl index 465cec1b45..6cbb6ac2da 100644 --- a/lib/kernel/src/inet_db.erl +++ b/lib/kernel/src/inet_db.erl @@ -1379,7 +1379,8 @@ cache_rr(_Db, Cache, RR) -> ets:insert(Cache, RR). times() -> - erlang:convert_time_unit(erlang:monotonic_time() - erlang:system_info(start_time),native,seconds). + erlang:convert_time_unit(erlang:monotonic_time() - erlang:system_info(start_time), + native, second). %% lookup and remove old entries diff --git a/lib/kernel/src/inet_int.hrl b/lib/kernel/src/inet_int.hrl index c8a8962e78..bc5b67f7bf 100644 --- a/lib/kernel/src/inet_int.hrl +++ b/lib/kernel/src/inet_int.hrl @@ -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. @@ -153,6 +153,8 @@ -define(INET_LOPT_NETNS, 38). -define(INET_LOPT_TCP_SHOW_ECONNRESET, 39). -define(INET_LOPT_LINE_DELIM, 40). +-define(INET_OPT_TCLASS, 41). +-define(INET_OPT_BIND_TO_DEVICE, 42). % Specific SCTP options: separate range: -define(SCTP_OPT_RTOINFO, 100). -define(SCTP_OPT_ASSOCINFO, 101). diff --git a/lib/kernel/src/inet_parse.erl b/lib/kernel/src/inet_parse.erl index b0a3ee3008..29804dc50b 100644 --- a/lib/kernel/src/inet_parse.erl +++ b/lib/kernel/src/inet_parse.erl @@ -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. @@ -644,8 +644,12 @@ ipv6_addr(Cs) -> ipv6_addr(hex(Cs), [], 0). %% Before "::" +ipv6_addr({Cs0,"%"++Cs1}, A, N) when N == 7 -> + ipv6_addr_scope(Cs1, [hex_to_int(Cs0)|A], [], N+1, []); ipv6_addr({Cs0,[]}, A, N) when N == 7 -> ipv6_addr_done([hex_to_int(Cs0)|A]); +ipv6_addr({Cs0,"::%"++Cs1}, A, N) when N =< 6 -> + ipv6_addr_scope(Cs1, [hex_to_int(Cs0)|A], [], N+1, []); ipv6_addr({Cs0,"::"}, A, N) when N =< 6 -> ipv6_addr_done([hex_to_int(Cs0)|A], [], N+1); ipv6_addr({Cs0,"::"++Cs1}, A, N) when N =< 5 -> @@ -658,6 +662,8 @@ ipv6_addr(_, _, _) -> erlang:error(badarg). %% After "::" +ipv6_addr({Cs0,"%"++Cs1}, A, B, N) when N =< 6 -> + ipv6_addr_scope(Cs1, A, [hex_to_int(Cs0)|B], N+1, []); ipv6_addr({Cs0,[]}, A, B, N) when N =< 6 -> ipv6_addr_done(A, [hex_to_int(Cs0)|B], N+1); ipv6_addr({Cs0,":"++Cs1}, A, B, N) when N =< 5 -> @@ -667,6 +673,43 @@ ipv6_addr({Cs0,"."++_=Cs1}, A, B, N) when N =< 5 -> ipv6_addr(_, _, _, _) -> erlang:error(badarg). +%% After "%" +ipv6_addr_scope([], Ar, Br, N, Sr) -> + ScopeId = + case lists:reverse(Sr) of + %% Empty scope id + "" -> 0; + %% Scope id starts with 0 + "0"++S -> dec16(S); + _ -> 0 + end, + %% Suggested formats for scope id parsing: + %% "" -> "0" + %% "0" -> Scope id 0 + %% "1" - "9", "10" - "99" -> "0"++S + %% "0"++DecimalScopeId -> decimal scope id + %% "25"++PercentEncoded -> Percent encoded interface name + %% S -> Interface name (Unicode?) + %% Missing: translation from interface name into integer scope id. + %% XXX: scope id is actually 32 bit, but we only have room for + %% 16 bit in the second address word - ignore or fix (how)? + ipv6_addr_scope(ScopeId, Ar, Br, N); +ipv6_addr_scope([C|Cs], Ar, Br, N, Sr) -> + ipv6_addr_scope(Cs, Ar, Br, N, [C|Sr]). +%% +ipv6_addr_scope(ScopeId, [P], Br, N) + when N =< 7, P =:= 16#fe80; + N =< 7, P =:= 16#ff02 -> + %% Optimized special case + ipv6_addr_done([ScopeId,P], Br, N+1); +ipv6_addr_scope(ScopeId, Ar, Br, N) -> + case lists:reverse(Br++dup(8-N, 0, Ar)) of + [P,0|Xs] when P =:= 16#fe80; P =:= 16#ff02 -> + list_to_tuple([P,ScopeId|Xs]); + _ -> + erlang:error(badarg) + end. + ipv6_addr_done(Ar, Br, N, {D1,D2,D3,D4}) -> ipv6_addr_done(Ar, [((D3 bsl 8) bor D4),((D1 bsl 8) bor D2)|Br], N+2). @@ -690,6 +733,19 @@ hex(Cs, [_|_]=R, _) when is_list(Cs) -> hex(_, _, _) -> erlang:error(badarg). +%% Parse a reverse decimal integer string, empty is 0 +dec16(Cs) -> dec16(Cs, 0). +%% +dec16([], I) -> I; +dec16([C|Cs], I) when C >= $0, C =< $9 -> + case 10*I + (C - $0) of + J when 16#ffff < J -> + erlang:error(badarg); + J -> + dec16(Cs, J) + end; +dec16(_, _) -> erlang:error(badarg). + %% Hex string to integer hex_to_int(Cs) -> erlang:list_to_integer(Cs, 16). @@ -701,9 +757,9 @@ dup(N, E, L) when is_integer(N), N >= 1 -> -%% Convert IPv4 adress to ascii -%% Convert IPv6 / IPV4 adress to ascii (plain format) -ntoa({A,B,C,D}) -> +%% Convert IPv4 address to ascii +%% Convert IPv6 / IPV4 address to ascii (plain format) +ntoa({A,B,C,D}) when (A band B band C band D band (bnot 16#ff)) =:= 0 -> integer_to_list(A) ++ "." ++ integer_to_list(B) ++ "." ++ integer_to_list(C) ++ "." ++ integer_to_list(D); %% ANY @@ -711,13 +767,25 @@ ntoa({0,0,0,0,0,0,0,0}) -> "::"; %% LOOPBACK ntoa({0,0,0,0,0,0,0,1}) -> "::1"; %% IPV4 ipv6 host address -ntoa({0,0,0,0,0,0,A,B}) -> "::" ++ dig_to_dec(A) ++ "." ++ dig_to_dec(B); +ntoa({0,0,0,0,0,0,A,B}) when (A band B band (bnot 16#ffff)) =:= 0 -> + "::" ++ dig_to_dec(A) ++ "." ++ dig_to_dec(B); %% IPV4 non ipv6 host address -ntoa({0,0,0,0,0,16#ffff,A,B}) -> - "::FFFF:" ++ dig_to_dec(A) ++ "." ++ dig_to_dec(B); -ntoa({_,_,_,_,_,_,_,_}=T) -> - %% Find longest sequence of zeros, at least 2, to replace with "::" - ntoa(tuple_to_list(T), []); +ntoa({0,0,0,0,0,16#ffff,A,B}) when (A band B band (bnot 16#ffff)) =:= 0 -> + "::ffff:" ++ dig_to_dec(A) ++ "." ++ dig_to_dec(B); +ntoa({A,B,C,D,E,F,G,H}) + when (A band B band C band D band E band F band G band H band + (bnot 16#ffff)) =:= 0 -> + if + A =:= 16#fe80, B =/= 0; + A =:= 16#ff02, B =/= 0 -> + %% Find longest sequence of zeros, at least 2, + %% to replace with "::" + ntoa([A,0,C,D,E,F,G,H], []) ++ "%0" ++ integer_to_list(B); + true -> + %% Find longest sequence of zeros, at least 2, + %% to replace with "::" + ntoa([A,B,C,D,E,F,G,H], []) + end; ntoa(_) -> {error, einval}. @@ -780,9 +848,19 @@ dig_to_dec(X) -> integer_to_list((X bsr 8) band 16#ff) ++ "." ++ integer_to_list(X band 16#ff). -%% Convert a integer to hex string -dig_to_hex(X) -> - erlang:integer_to_list(X, 16). +%% Convert a integer to hex string (lowercase) +dig_to_hex(0) -> "0"; +dig_to_hex(X) when is_integer(X), 0 < X -> + dig_to_hex(X, ""). +%% +dig_to_hex(0, Acc) -> Acc; +dig_to_hex(X, Acc) -> + dig_to_hex( + X bsr 4, + [case X band 15 of + D when D < 10 -> D + $0; + D -> D - 10 + $a + end|Acc]). %% %% Count number of '.' in a name diff --git a/lib/kernel/src/inet_tcp_dist.erl b/lib/kernel/src/inet_tcp_dist.erl index f91d7ef7c3..e3fdb1bb22 100644 --- a/lib/kernel/src/inet_tcp_dist.erl +++ b/lib/kernel/src/inet_tcp_dist.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2015. 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. @@ -24,13 +24,16 @@ -export([listen/1, accept/1, accept_connection/5, setup/5, close/1, select/1, is_node_name/1]). +%% Optional +-export([setopts/2, getopts/2]). + %% Generalized dist API -export([gen_listen/2, gen_accept/2, gen_accept_connection/6, gen_setup/6, gen_select/2]). %% internal exports --export([accept_loop/3,do_accept/7,do_setup/7,getstat/1]). +-export([accept_loop/3,do_accept/7,do_setup/7,getstat/1,tick/2]). -import(error_logger,[error_msg/2]). @@ -74,7 +77,7 @@ gen_listen(Driver, Name) -> TcpAddress = get_tcp_address(Driver, Socket), {_,Port} = TcpAddress#net_address.address, ErlEpmd = net_kernel:epmd_module(), - case ErlEpmd:register_node(Name, Port) of + case ErlEpmd:register_node(Name, Port, Driver) of {ok, Creation} -> {ok, {Socket, TcpAddress, Creation}}; Error -> @@ -215,8 +218,10 @@ do_accept(Driver, Kernel, AcceptPid, Socket, MyNode, Allowed, SetupTime) -> inet:getll(S) end, f_address = fun(S, Node) -> get_remote_id(Driver, S, Node) end, - mf_tick = fun(S) -> tick(Driver, S) end, - mf_getstat = fun ?MODULE:getstat/1 + mf_tick = fun(S) -> ?MODULE:tick(Driver, S) end, + mf_getstat = fun ?MODULE:getstat/1, + mf_setopts = fun ?MODULE:setopts/2, + mf_getopts = fun ?MODULE:getopts/2 }, dist_util:handshake_other_started(HSData); {false,IP} -> @@ -320,6 +325,7 @@ do_setup(Driver, Kernel, Node, Type, MyNode, LongOrShortNames, SetupTime) -> {packet, 4}, nodelay()]) end, + f_getll = fun inet:getll/1, f_address = fun(_,_) -> @@ -329,9 +335,11 @@ do_setup(Driver, Kernel, Node, Type, MyNode, LongOrShortNames, SetupTime) -> protocol = tcp, family = AddressFamily} end, - mf_tick = fun(S) -> tick(Driver, S) end, + mf_tick = fun(S) -> ?MODULE:tick(Driver, S) end, mf_getstat = fun ?MODULE:getstat/1, - request_type = Type + request_type = Type, + mf_setopts = fun ?MODULE:setopts/2, + mf_getopts = fun ?MODULE:getopts/2 }, dist_util:handshake_we_started(HSData); _ -> @@ -382,14 +390,14 @@ splitnode(Driver, Node, LongOrShortNames) -> error_msg("** System running to use " "fully qualified " "hostnames **~n" - "** Hostname ~s is illegal **~n", + "** Hostname ~ts is illegal **~n", [Host]), ?shutdown(Node) end; L when length(L) > 1, LongOrShortNames =:= shortnames -> error_msg("** System NOT running to use fully qualified " "hostnames **~n" - "** Hostname ~s is illegal **~n", + "** Hostname ~ts is illegal **~n", [Host]), ?shutdown(Node); _ -> @@ -492,3 +500,12 @@ split_stat([], R, W, P) -> {ok, R, W, P}. +setopts(S, Opts) -> + case [Opt || {K,_}=Opt <- Opts, + K =:= active orelse K =:= deliver orelse K =:= packet] of + [] -> inet:setopts(S,Opts); + Opts1 -> {error, {badopts,Opts1}} + end. + +getopts(S, Opts) -> + inet:getopts(S, Opts). diff --git a/lib/kernel/src/inet_udp.erl b/lib/kernel/src/inet_udp.erl index 8a8aa8ecca..1e624b9e90 100644 --- a/lib/kernel/src/inet_udp.erl +++ b/lib/kernel/src/inet_udp.erl @@ -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. @@ -113,7 +113,7 @@ fdopen(Fd, Opts) -> %% Here's how: %% Reverse the list. %% For each head option go through the tail and remove -%% all occurences of the same option from the tail. +%% all occurrences of the same option from the tail. %% Store that head option and iterate using the new tail. %% Return the list of stored head options. optuniquify(List) -> @@ -122,8 +122,8 @@ optuniquify(List) -> optuniquify([], Result) -> Result; optuniquify([Opt | Tail], Result) -> - %% Remove all occurences of Opt in Tail, - %% prepend Opt to Result, + %% Remove all occurrences of Opt in Tail, + %% prepend Opt to Result, %% then iterate back here. optuniquify(Opt, Tail, [], Result). diff --git a/lib/kernel/src/kernel.app.src b/lib/kernel/src/kernel.app.src index 56d1699656..e150938487 100644 --- a/lib/kernel/src/kernel.app.src +++ b/lib/kernel/src/kernel.app.src @@ -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. @@ -34,6 +34,7 @@ erl_boot_server, erl_distribution, erl_reply, + erl_signal_handler, error_handler, error_logger, file, @@ -43,6 +44,7 @@ global_group, global_search, group, + group_history, heart, hipe_unified_loader, inet6_tcp, @@ -118,6 +120,6 @@ {applications, []}, {env, [{error_logger, tty}]}, {mod, {kernel, []}}, - {runtime_dependencies, ["erts-8.0", "stdlib-3.0", "sasl-3.0"]} + {runtime_dependencies, ["erts-9.0", "stdlib-3.0", "sasl-3.0"]} ] }. diff --git a/lib/kernel/src/kernel.appup.src b/lib/kernel/src/kernel.appup.src index d16e200cb3..77085b2064 100644 --- a/lib/kernel/src/kernel.appup.src +++ b/lib/kernel/src/kernel.appup.src @@ -1,7 +1,7 @@ %% -*- erlang -*- %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1999-2016. All Rights Reserved. +%% Copyright Ericsson AB 1999-2017. 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. @@ -18,9 +18,7 @@ %% %CopyrightEnd% {"%VSN%", %% Up from - max one major revision back - [{<<"5\\.0(\\.[0-9]+)*">>,[restart_new_emulator]}, % OTP-19.* - {<<"4\\.[0-2](\\.[0-9]+)*">>,[restart_new_emulator]}], % OTP-18.* + [{<<"5\\.[0-2](\\.[0-9]+)*">>,[restart_new_emulator]}], % OTP-19.* %% Down to - max one major revision back - [{<<"5\\.0(\\.[0-9]+)*">>,[restart_new_emulator]}, % OTP-19.* - {<<"4\\.[0-2](\\.[0-9]+)*">>,[restart_new_emulator]}] % OTP-18.* + [{<<"5\\.[0-2](\\.[0-9]+)*">>,[restart_new_emulator]}] % OTP-19.* }. diff --git a/lib/kernel/src/kernel.erl b/lib/kernel/src/kernel.erl index 3d0ef81318..cba57088ec 100644 --- a/lib/kernel/src/kernel.erl +++ b/lib/kernel/src/kernel.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. @@ -32,6 +32,14 @@ start(_, []) -> case supervisor:start_link({local, kernel_sup}, kernel, []) of {ok, Pid} -> + %% add signal handler + case whereis(erl_signal_server) of + %% in case of minimal mode + undefined -> ok; + _ -> + ok = gen_event:add_handler(erl_signal_server, erl_signal_handler, []) + end, + %% add error handler Type = get_error_logger_type(), case error_logger:swap_handler(Type) of ok -> {ok, Pid, []}; @@ -92,60 +100,112 @@ get_error_logger_type() -> %%%----------------------------------------------------------------- init([]) -> - SupFlags = {one_for_all, 0, 1}, - - Config = {kernel_config, - {kernel_config, start_link, []}, - permanent, 2000, worker, [kernel_config]}, - Code = {code_server, - {code, start_link, []}, - permanent, 2000, worker, [code]}, - File = {file_server_2, - {file_server, start_link, []}, - permanent, 2000, worker, - [file, file_server, file_io_server, prim_file]}, - StdError = {standard_error, - {standard_error, start_link, []}, - temporary, 2000, supervisor, [user_sup]}, - User = {user, - {user_sup, start, []}, - temporary, 2000, supervisor, [user_sup]}, - + SupFlags = #{strategy => one_for_all, + intensity => 0, + period => 1}, + + Config = #{id => kernel_config, + start => {kernel_config, start_link, []}, + restart => permanent, + shutdown => 2000, + type => worker, + modules => [kernel_config]}, + + Code = #{id => code_server, + start => {code, start_link, []}, + restart => permanent, + shutdown => 2000, + type => worker, + modules => [code]}, + + File = #{id => file_server_2, + start => {file_server, start_link, []}, + restart => permanent, + shutdown => 2000, + type => worker, + modules => [file, file_server, file_io_server, prim_file]}, + + StdError = #{id => standard_error, + start => {standard_error, start_link, []}, + restart => temporary, + shutdown => 2000, + type => supervisor, + modules => [user_sup]}, + + User = #{id => user, + start => {user_sup, start, []}, + restart => temporary, + shutdown => 2000, + type => supervisor, + modules => [user_sup]}, + + SafeSup = #{id => kernel_safe_sup, + start =>{supervisor, start_link, [{local, kernel_safe_sup}, ?MODULE, safe]}, + restart => permanent, + shutdown => infinity, + type => supervisor, + modules => [?MODULE]}, + case init:get_argument(mode) of - {ok, [["minimal"]]} -> - SafeSupervisor = {kernel_safe_sup, - {supervisor, start_link, - [{local, kernel_safe_sup}, ?MODULE, safe]}, - permanent, infinity, supervisor, [?MODULE]}, - {ok, {SupFlags, - [Code, File, StdError, User, - Config, SafeSupervisor]}}; - _ -> - Rpc = {rex, {rpc, start_link, []}, - permanent, 2000, worker, [rpc]}, - Global = {global_name_server, {global, start_link, []}, - permanent, 2000, worker, [global]}, - Glo_grp = {global_group, {global_group,start_link,[]}, - permanent, 2000, worker, [global_group]}, - InetDb = {inet_db, {inet_db, start_link, []}, - permanent, 2000, worker, [inet_db]}, - NetSup = {net_sup, {erl_distribution, start_link, []}, - permanent, infinity, supervisor,[erl_distribution]}, - DistAC = start_dist_ac(), - - Timer = start_timer(), - - SafeSupervisor = {kernel_safe_sup, - {supervisor, start_link, - [{local, kernel_safe_sup}, ?MODULE, safe]}, - permanent, infinity, supervisor, [?MODULE]}, - {ok, {SupFlags, - [Code, Rpc, Global, InetDb | DistAC] ++ - [NetSup, Glo_grp, File, - StdError, User, Config, SafeSupervisor] ++ Timer}} + {ok, [["minimal"]]} -> + {ok, {SupFlags, [Code, File, StdError, User, Config, SafeSup]}}; + _ -> + Rpc = #{id => rex, + start => {rpc, start_link, []}, + restart => permanent, + shutdown => 2000, + type => worker, + modules => [rpc]}, + + Global = #{id => global_name_server, + start => {global, start_link, []}, + restart => permanent, + shutdown => 2000, + type => worker, + modules => [global]}, + + GlGroup = #{id => global_group, + start => {global_group,start_link,[]}, + restart => permanent, + shutdown => 2000, + type => worker, + modules => [global_group]}, + + InetDb = #{id => inet_db, + start => {inet_db, start_link, []}, + restart => permanent, + shutdown => 2000, + type => worker, + modules => [inet_db]}, + + NetSup = #{id => net_sup, + start => {erl_distribution, start_link, []}, + restart => permanent, + shutdown => infinity, + type => supervisor, + modules => [erl_distribution]}, + + SigSrv = #{id => erl_signal_server, + start => {gen_event, start_link, [{local, erl_signal_server}]}, + restart => permanent, + shutdown => 2000, + type => worker, + modules => dynamic}, + + DistAC = start_dist_ac(), + + Timer = start_timer(), + + {ok, {SupFlags, + [Code, Rpc, Global, InetDb | DistAC] ++ + [NetSup, GlGroup, File, SigSrv, + StdError, User, Config, SafeSup] ++ Timer}} end; init(safe) -> - SupFlags = {one_for_one, 4, 3600}, + SupFlags = #{strategy => one_for_one, + intensity => 4, + period => 3600}, + Boot = start_boot_server(), DiskLog = start_disk_log(), Pg2 = start_pg2(), @@ -159,60 +219,85 @@ init(safe) -> {ok, {SupFlags, Boot ++ DiskLog ++ Pg2}}. start_dist_ac() -> - Spec = [{dist_ac,{dist_ac,start_link,[]},permanent,2000,worker,[dist_ac]}], + Spec = [#{id => dist_ac, + start => {dist_ac,start_link,[]}, + restart => permanent, + shutdown => 2000, + type => worker, + modules => [dist_ac]}], case application:get_env(kernel, start_dist_ac) of - {ok, true} -> Spec; - {ok, false} -> []; - undefined -> - case application:get_env(kernel, distributed) of - {ok, _} -> Spec; - _ -> [] - end + {ok, true} -> Spec; + {ok, false} -> []; + undefined -> + case application:get_env(kernel, distributed) of + {ok, _} -> Spec; + _ -> [] + end end. start_boot_server() -> case application:get_env(kernel, start_boot_server) of - {ok, true} -> - Args = get_boot_args(), - [{boot_server, {erl_boot_server, start_link, [Args]}, permanent, - 1000, worker, [erl_boot_server]}]; - _ -> - [] + {ok, true} -> + Args = get_boot_args(), + [#{id => boot_server, + start => {erl_boot_server, start_link, [Args]}, + restart => permanent, + shutdown => 1000, + type => worker, + modules => [erl_boot_server]}]; + _ -> + [] end. get_boot_args() -> case application:get_env(kernel, boot_server_slaves) of - {ok, Slaves} -> Slaves; - _ -> [] + {ok, Slaves} -> Slaves; + _ -> [] end. start_disk_log() -> case application:get_env(kernel, start_disk_log) of - {ok, true} -> - [{disk_log_server, - {disk_log_server, start_link, []}, - permanent, 2000, worker, [disk_log_server]}, - {disk_log_sup, {disk_log_sup, start_link, []}, permanent, - 1000, supervisor, [disk_log_sup]}]; - _ -> - [] + {ok, true} -> + [#{id => disk_log_server, + start => {disk_log_server, start_link, []}, + restart => permanent, + shutdown => 2000, + type => worker, + modules => [disk_log_server]}, + #{id => disk_log_sup, + start => {disk_log_sup, start_link, []}, + restart => permanent, + shutdown => 1000, + type => supervisor, + modules => [disk_log_sup]}]; + _ -> + [] end. start_pg2() -> case application:get_env(kernel, start_pg2) of - {ok, true} -> - [{pg2, {pg2, start_link, []}, permanent, 1000, worker, [pg2]}]; - _ -> - [] + {ok, true} -> + [#{id => pg2, + start => {pg2, start_link, []}, + restart => permanent, + shutdown => 1000, + type => worker, + modules => [pg2]}]; + _ -> + [] end. start_timer() -> case application:get_env(kernel, start_timer) of - {ok, true} -> - [{timer_server, {timer, start_link, []}, permanent, 1000, worker, - [timer]}]; - _ -> - [] + {ok, true} -> + [#{id => timer_server, + start => {timer, start_link, []}, + restart => permanent, + shutdown => 1000, + type => worker, + modules => [timer]}]; + _ -> + [] end. %%----------------------------------------------------------------- diff --git a/lib/kernel/src/net_kernel.erl b/lib/kernel/src/net_kernel.erl index ac19f4935b..ddda396713 100644 --- a/lib/kernel/src/net_kernel.erl +++ b/lib/kernel/src/net_kernel.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. @@ -26,15 +26,13 @@ %%-define(dist_debug, true). -%-define(DBG,erlang:display([?MODULE,?LINE])). - -ifdef(dist_debug). -define(debug(Term), erlang:display(Term)). -else. -define(debug(Term), ok). -endif. --ifdef(DEBUG). +-ifdef(dist_debug). -define(connect_failure(Node,Term), io:format("Net Kernel 2: Failed connection to node ~p, reason ~p~n", [Node,Term])). @@ -59,6 +57,8 @@ connect_node/1, monitor_nodes/1, monitor_nodes/2, + setopts/2, + getopts/2, start/1, stop/0]). @@ -111,7 +111,7 @@ }). -record(listen, { - listen, %% listen pid + listen, %% listen socket accept, %% accepting pid address, %% #net_address module %% proto module @@ -384,7 +384,7 @@ init({Name, LongOrShortNames, TickT, CleanHalt}) -> connections = ets:new(sys_dist,[named_table, protected, - {keypos, 2}]), + {keypos, #connection.node}]), listen = Listeners, allowed = [], verbose = 0 @@ -554,6 +554,38 @@ handle_call({new_ticktime,_T,_TP}, #state{tick = #tick_change{time = T}} = State) -> async_reply({reply, {ongoing_change_to, T}, State}, From); +handle_call({setopts, new, Opts}, From, State) -> + Ret = setopts_new(Opts, State), + async_reply({reply, Ret, State}, From); + +handle_call({setopts, Node, Opts}, From, State) -> + Return = + case ets:lookup(sys_dist, Node) of + [Conn] when Conn#connection.state =:= up -> + case call_owner(Conn#connection.owner, {setopts, Opts}) of + {ok, Ret} -> Ret; + _ -> {error, noconnection} + end; + + _ -> + {error, noconnection} + end, + async_reply({reply, Return, State}, From); + +handle_call({getopts, Node, Opts}, From, State) -> + Return = + case ets:lookup(sys_dist, Node) of + [Conn] when Conn#connection.state =:= up -> + case call_owner(Conn#connection.owner, {getopts, Opts}) of + {ok, Ret} -> Ret; + _ -> {error, noconnection} + end; + + _ -> + {error, noconnection} + end, + async_reply({reply, Return, State}, From); + handle_call(_Msg, _From, State) -> {noreply, State}. @@ -1230,11 +1262,22 @@ create_name(Name, LongOrShortNames, Try) -> {Head,Host1} = create_hostpart(Name, LongOrShortNames), case Host1 of {ok,HostPart} -> - {ok,list_to_atom(Head ++ HostPart)}; + case valid_name_head(Head) of + true -> + {ok,list_to_atom(Head ++ HostPart)}; + false -> + error_logger:info_msg("Invalid node name!\n" + "Please check your configuration\n"), + {error, badarg} + end; {error,long} when Try =:= 1 -> %% It could be we haven't read domain name from resolv file yet inet_config:do_load_resolv(os:type(), longnames), create_name(Name, LongOrShortNames, 0); + {error, hostname_not_allowed} -> + error_logger:info_msg("Invalid node name!\n" + "Please check your configuration\n"), + {error, badarg}; {error,Type} -> error_logger:info_msg( lists:concat(["Can\'t set ", @@ -1247,12 +1290,13 @@ create_name(Name, LongOrShortNames, Try) -> create_hostpart(Name, LongOrShortNames) -> {Head,Host} = split_node(Name), Host1 = case {Host,LongOrShortNames} of - {[$@,_|_],longnames} -> - {ok,Host}; + {[$@,_|_] = Host,longnames} -> + validate_hostname(Host); {[$@,_|_],shortnames} -> case lists:member($.,Host) of true -> {error,short}; - _ -> {ok,Host} + _ -> + validate_hostname(Host) end; {_,shortnames} -> case inet_db:gethostname() of @@ -1272,6 +1316,24 @@ create_hostpart(Name, LongOrShortNames) -> end, {Head,Host1}. +validate_hostname([$@|HostPart] = Host) -> + {ok, MP} = re:compile("^[!-ÿ]*$", [unicode]), + case re:run(HostPart, MP) of + {match, _} -> + {ok, Host}; + nomatch -> + {error, hostname_not_allowed} + end. + +valid_name_head(Head) -> + {ok, MP} = re:compile("^[0-9A-Za-z_\\-]*$", [unicode]), + case re:run(Head, MP) of + {match, _} -> + true; + nomatch -> + false + end. + split_node(Name) -> lists:splitwith(fun(C) -> C =/= $@ end, atom_to_list(Name)). @@ -1608,3 +1670,93 @@ async_gen_server_reply(From, Msg) -> {'EXIT', _} -> ok end. + +call_owner(Owner, Msg) -> + Mref = monitor(process, Owner), + Owner ! {self(), Mref, Msg}, + receive + {Mref, Reply} -> + erlang:demonitor(Mref, [flush]), + {ok, Reply}; + {'DOWN', Mref, _, _, _} -> + error + end. + + +-spec setopts(Node, Options) -> ok | {error, Reason} | ignored when + Node :: node() | new, + Options :: [inet:socket_setopt()], + Reason :: inet:posix() | noconnection. + +setopts(Node, Opts) when is_atom(Node), is_list(Opts) -> + request({setopts, Node, Opts}). + +setopts_new(Opts, State) -> + %% First try setopts on listening socket(s) + %% Bail out on failure. + %% If successful, we are pretty sure Opts are ok + %% and we continue with config params and pending connections. + case setopts_on_listen(Opts, State#state.listen) of + ok -> + setopts_new_1(Opts); + Fail -> Fail + end. + +setopts_on_listen(_, []) -> ok; +setopts_on_listen(Opts, [#listen {listen = LSocket, module = Mod} | T]) -> + try Mod:setopts(LSocket, Opts) of + ok -> + setopts_on_listen(Opts, T); + Fail -> Fail + catch + error:undef -> {error, enotsup} + end. + +setopts_new_1(Opts) -> + ConnectOpts = case application:get_env(kernel, inet_dist_connect_options) of + {ok, CO} -> CO; + _ -> [] + end, + application:set_env(kernel, inet_dist_connect_options, + merge_opts(Opts,ConnectOpts)), + ListenOpts = case application:get_env(kernel, inet_dist_listen_options) of + {ok, LO} -> LO; + _ -> [] + end, + application:set_env(kernel, inet_dist_listen_options, + merge_opts(Opts, ListenOpts)), + case lists:keyfind(nodelay, 1, Opts) of + {nodelay, ND} when is_boolean(ND) -> + application:set_env(kernel, dist_nodelay, ND); + _ -> ignore + end, + + %% Update any pending connections + PendingConns = ets:select(sys_dist, [{'_', + [{'=/=',{element,#connection.state,'$_'},up}], + ['$_']}]), + lists:foreach(fun(#connection{state = pending, owner = Owner}) -> + call_owner(Owner, {setopts, Opts}); + (#connection{state = up_pending, pending_owner = Owner}) -> + call_owner(Owner, {setopts, Opts}); + (_) -> ignore + end, PendingConns), + ok. + +merge_opts([], B) -> + B; +merge_opts([H|T], B0) -> + {Key, _} = H, + B1 = lists:filter(fun({K,_}) -> K =/= Key end, B0), + merge_opts(T, [H | B1]). + +-spec getopts(Node, Options) -> + {'ok', OptionValues} | {'error', Reason} | ignored when + Node :: node(), + Options :: [inet:socket_getopt()], + OptionValues :: [inet:socket_setopt()], + Reason :: inet:posix() | noconnection. + +getopts(Node, Opts) when is_atom(Node), is_list(Opts) -> + request({getopts, Node, Opts}). + diff --git a/lib/kernel/src/os.erl b/lib/kernel/src/os.erl index f0ad26b1f2..0250783632 100644 --- a/lib/kernel/src/os.erl +++ b/lib/kernel/src/os.erl @@ -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. @@ -29,7 +29,7 @@ -export([getenv/0, getenv/1, getenv/2, getpid/0, perf_counter/0, perf_counter/1, - putenv/2, system_time/0, system_time/1, + putenv/2, set_signal/2, system_time/0, system_time/1, timestamp/0, unsetenv/1]). -spec getenv() -> [string()]. @@ -104,6 +104,15 @@ timestamp() -> unsetenv(_) -> erlang:nif_error(undef). +-spec set_signal(Signal, Option) -> 'ok' when + Signal :: 'sighup' | 'sigquit' | 'sigabrt' | 'sigalrm' | + 'sigterm' | 'sigusr1' | 'sigusr2' | 'sigchld' | + 'sigstop' | 'sigtstp', + Option :: 'default' | 'handle' | 'ignore'. + +set_signal(_Signal, _Option) -> + erlang:nif_error(undef). + %%% End of BIFs -spec type() -> {Osfamily, Osname} when @@ -226,11 +235,13 @@ extensions() -> Command :: atom() | io_lib:chars(). cmd(Cmd) -> validate(Cmd), - {SpawnCmd, SpawnOpts, SpawnInput} = mk_cmd(os:type(), Cmd), + {SpawnCmd, SpawnOpts, SpawnInput, Eot} = mk_cmd(os:type(), Cmd), Port = open_port({spawn, SpawnCmd}, [binary, stderr_to_stdout, - stream, in, eof, hide | SpawnOpts]), + stream, in, hide | SpawnOpts]), + MonRef = erlang:monitor(port, Port), true = port_command(Port, SpawnInput), - Bytes = get_data(Port, []), + Bytes = get_data(Port, MonRef, Eot, []), + demonitor(MonRef, [flush]), String = unicode:characters_to_list(Bytes), if %% Convert to unicode list if possible otherwise return bytes is_list(String) -> String; @@ -243,7 +254,7 @@ mk_cmd({win32,Wtype}, Cmd) -> {false,_} -> lists:concat(["cmd /c", Cmd]); {Cspec,_} -> lists:concat([Cspec," /c",Cmd]) end, - {Command, [], []}; + {Command, [], [], <<>>}; mk_cmd(OsType,Cmd) when is_atom(Cmd) -> mk_cmd(OsType, atom_to_list(Cmd)); mk_cmd(_,Cmd) -> @@ -252,7 +263,20 @@ mk_cmd(_,Cmd) -> {"/bin/sh -s unix:cmd", [out], %% We insert a new line after the command, in case the command %% contains a comment character. - ["(", unicode:characters_to_binary(Cmd), "\n); exit\n"]}. + %% + %% The </dev/null closes stdin, which means that programs + %% that use a closed stdin as an termination indicator works. + %% An example of such a program is 'more'. + %% + %% The "echo ^D" is used to indicate that the program has executed + %% and we should return any output we have gotten. We cannot use + %% termination of the child or closing of stdin/stdout as then + %% starting background jobs from os:cmd will block os:cmd. + %% + %% I tried changing this to be "better", but got bombarded with + %% backwards incompatibility bug reports, so leave this as it is. + ["(", unicode:characters_to_binary(Cmd), "\n) </dev/null; echo \"\^D\"\n"], + <<$\^D>>}. validate(Atom) when is_atom(Atom) -> ok; @@ -267,21 +291,50 @@ validate1([List|Rest]) when is_list(List) -> validate1([]) -> ok. -get_data(Port, Sofar) -> +get_data(Port, MonRef, Eot, Sofar) -> receive {Port, {data, Bytes}} -> - get_data(Port, [Sofar,Bytes]); - {Port, eof} -> - Port ! {self(), close}, - receive - {Port, closed} -> - true - end, - receive - {'EXIT', Port, _} -> - ok - after 1 -> % force context switch - ok - end, + case eot(Bytes, Eot) of + more -> + get_data(Port, MonRef, Eot, [Sofar,Bytes]); + Last -> + catch port_close(Port), + flush_until_down(Port, MonRef), + iolist_to_binary([Sofar, Last]) + end; + {'DOWN', MonRef, _, _, _} -> + flush_exit(Port), iolist_to_binary(Sofar) end. + +eot(_Bs, <<>>) -> + more; +eot(Bs, Eot) -> + case binary:match(Bs, Eot) of + nomatch -> more; + {Pos, _} -> + binary:part(Bs,{0, Pos}) + end. + +%% When port_close returns we know that all the +%% messages sent have been sent and that the +%% DOWN message is after them all. +flush_until_down(Port, MonRef) -> + receive + {Port, {data, _Bytes}} -> + flush_until_down(Port, MonRef); + {'DOWN', MonRef, _, _, _} -> + flush_exit(Port) + end. + +%% The exit signal is always delivered before +%% the down signal, so we can be sure that if there +%% was an exit message sent, it will be in the +%% mailbox now. +flush_exit(Port) -> + receive + {'EXIT', Port, _} -> + ok + after 0 -> + ok + end. diff --git a/lib/kernel/src/rpc.erl b/lib/kernel/src/rpc.erl index 21bff02214..0e0b7dffa3 100644 --- a/lib/kernel/src/rpc.erl +++ b/lib/kernel/src/rpc.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. @@ -67,17 +67,27 @@ %%------------------------------------------------------------------------ + +%% The rex server may receive a huge amount of +%% messages. Make sure that they are stored off heap to +%% avoid exessive GCs. + +-define(SPAWN_OPTS, [{spawn_opt,[{message_queue_data,off_heap}]}]). + %% Remote execution and broadcasting facility -spec start() -> {'ok', pid()} | 'ignore' | {'error', term()}. start() -> - gen_server:start({local,?NAME}, ?MODULE, [], []). + gen_server:start({local,?NAME}, ?MODULE, [], ?SPAWN_OPTS). -spec start_link() -> {'ok', pid()} | 'ignore' | {'error', term()}. start_link() -> - gen_server:start_link({local,?NAME}, ?MODULE, [], []). + %% The rex server process may receive a huge amount of + %% messages. Make sure that they are stored off heap to + %% avoid exessive GCs. + gen_server:start_link({local,?NAME}, ?MODULE, [], ?SPAWN_OPTS). -spec stop() -> term(). diff --git a/lib/kernel/test/application_SUITE.erl b/lib/kernel/test/application_SUITE.erl index 81407e9d96..866043cfb4 100644 --- a/lib/kernel/test/application_SUITE.erl +++ b/lib/kernel/test/application_SUITE.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. @@ -1498,7 +1498,7 @@ otp_5363(Conf) when is_list(Conf) -> %% Ticket: OTP-5606 %% Slogan: Problems with starting a distributed application %%----------------------------------------------------------------- -%% Test of several processes simultanously starting the same +%% Test of several processes simultaneously starting the same %% distributed application. otp_5606(Conf) when is_list(Conf) -> diff --git a/lib/kernel/test/code_SUITE.erl b/lib/kernel/test/code_SUITE.erl index 8da67c89f8..6f8e949aac 100644 --- a/lib/kernel/test/code_SUITE.erl +++ b/lib/kernel/test/code_SUITE.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. @@ -36,7 +36,9 @@ code_archive/1, code_archive2/1, on_load/1, on_load_binary/1, on_load_embedded/1, on_load_errors/1, on_load_update/1, on_load_purge/1, on_load_self_call/1, on_load_pending/1, + on_load_deleted/1, big_boot_embedded/1, + module_status/1, native_early_modules/1, get_mode/1, normalized_paths/1]). @@ -66,6 +68,8 @@ all() -> bad_erl_libs, code_archive, code_archive2, on_load, on_load_binary, on_load_embedded, on_load_errors, on_load_update, on_load_purge, on_load_self_call, on_load_pending, + on_load_deleted, + module_status, big_boot_embedded, native_early_modules, get_mode, normalized_paths]. groups() -> @@ -91,6 +95,11 @@ init_per_suite(Config) -> end_per_suite(Config) -> Config. +-define(TESTMOD, test_dummy). +-define(TESTMODSTR, "test_dummy"). +-define(TESTMODSRC, ?TESTMODSTR ".erl"). +-define(TESTMODOBJ, ?TESTMODSTR ".beam"). + init_per_testcase(big_boot_embedded, Config) -> case catch crypto:start() of ok -> @@ -98,16 +107,36 @@ init_per_testcase(big_boot_embedded, Config) -> _Else -> {skip, "Needs crypto!"} end; +init_per_testcase(on_load_embedded, Config0) -> + LibRoot = code:lib_dir(), + LinkName = filename:join(LibRoot, "on_load_app-1.0"), + Config = [{link_name,LinkName}|Config0], + init_per_testcase(Config); init_per_testcase(_Func, Config) -> + init_per_testcase(Config). + +init_per_testcase(Config) -> P = code:get_path(), [{code_path, P}|Config]. + +end_per_testcase(module_status, Config) -> + code:purge(?TESTMOD), + code:delete(?TESTMOD), + code:purge(?TESTMOD), + file:delete(?TESTMODOBJ), + file:delete(?TESTMODSRC), + end_per_testcase(Config); end_per_testcase(TC, Config) when TC == mult_lib_roots; TC == big_boot_embedded -> {ok, HostName} = inet:gethostname(), NodeName = list_to_atom(atom_to_list(TC)++"@"++HostName), test_server:stop_node(NodeName), end_per_testcase(Config); +end_per_testcase(on_load_embedded, Config) -> + LinkName = proplists:get_value(link_name, Config), + _ = del_link(LinkName), + end_per_testcase(Config); end_per_testcase(_Func, Config) -> end_per_testcase(Config). @@ -307,7 +336,7 @@ load_abs(Config) when is_list(Config) -> {error, nofile} = code:load_abs(TestDir ++ "/duuuumy_mod"), {error, badfile} = code:load_abs(TestDir ++ "/code_a_test"), {'EXIT', _} = (catch code:load_abs({})), - {'EXIT', _} = (catch code:load_abs("Non-latin-имя-файла")), + {error, nofile} = code:load_abs("Non-latin-имя-файла"), {module, code_b_test} = code:load_abs(TestDir ++ "/code_b_test"), code:stick_dir(TestDir), {error, sticky_directory} = code:load_abs(TestDir ++ "/code_b_test"), @@ -481,23 +510,35 @@ load_binary(Config) when is_list(Config) -> code:delete(code_b_test), ok. + upgrade(Config) -> DataDir = proplists:get_value(data_dir, Config), - %%T = [beam, hipe], - T = [beam], - - [upgrade_do(DataDir, Client, U1, U2, O1, O2) - || Client<-T, U1<-T, U2<-T, O1<-T, O2<-T], - + case erlang:system_info(hipe_architecture) of + undefined -> + upgrade_do(DataDir, beam, [beam]); + + _ -> + T = [beam, hipe], + [upgrade_do(DataDir, Client, T) || Client <- T], + + case hipe:llvm_support_available() of + false -> ok; + true -> + T2 = [beam, hipe_llvm], + [upgrade_do(DataDir, Client, T2) || Client <- T2] + end + end, ok. -upgrade_do(DataDir, Client, U1, U2, O1, O2) -> +upgrade_do(DataDir, Client, T) -> compile_load(upgrade_client, DataDir, undefined, Client), - upgrade_client:run(DataDir, U1, U2, O1, O2), + [upgrade_client:run(DataDir, U1, U2, O1, O2) + || U1<-T, U2<-T, O1<-T, O2<-T], ok. compile_load(Mod, Dir, Ver, CodeType) -> + %%erlang:display({"{{{{{{{{{{{{{{{{Loading",Mod,Ver,CodeType}), Version = case Ver of undefined -> io:format("Compiling '~p' as ~p\n", [Mod, CodeType]), @@ -509,14 +550,21 @@ compile_load(Mod, Dir, Ver, CodeType) -> end, Target = case CodeType of beam -> []; - hipe -> [native] + hipe -> [native]; + hipe_llvm -> [native,{hipe,[to_llvm]}] end, CompOpts = [binary, report] ++ Target ++ Version, Src = filename:join(Dir, atom_to_list(Mod) ++ ".erl"), + T1 = erlang:now(), {ok,Mod,Code} = compile:file(Src, CompOpts), + T2 = erlang:now(), ObjFile = filename:basename(Src,".erl") ++ ".beam", {module,Mod} = code:load_binary(Mod, ObjFile, Code), + T3 = erlang:now(), + io:format("Compile time ~p ms, Load time ~p ms\n", + [timer:now_diff(T2,T1) div 1000, timer:now_diff(T3,T2) div 1000]), + %%erlang:display({"}}}}}}}}}}}}}}}Loaded",Mod,Ver,CodeType}), ok. dir_req(Config) when is_list(Config) -> @@ -586,20 +634,28 @@ sticky_compiler(Files, PrivDir) -> [R || R <- Rets, R =/= ok]. do_sticky_compile(Mod, Dir) -> - %% Make sure that the module is loaded. A module being sticky - %% only prevents it from begin reloaded, not from being loaded - %% from the wrong place to begin with. - Mod = Mod:module_info(module), - File = filename:append(Dir, atom_to_list(Mod)), - Src = io_lib:format("-module(~s).\n" - "-export([test/1]).\n" - "test(me) -> fail.\n", [Mod]), - ok = file:write_file(File++".erl", Src), - case c:c(File, [{outdir,Dir}]) of - {ok,Module} -> - Module:test(me); - {error,sticky_directory} -> - ok + case code:is_sticky(Mod) of + true -> + %% Make sure that the module is loaded. A module being sticky + %% only prevents it from begin reloaded, not from being loaded + %% from the wrong place to begin with. + Mod = Mod:module_info(module), + File = filename:append(Dir, atom_to_list(Mod)), + Src = io_lib:format("-module(~s).\n" + "-export([test/1]).\n" + "test(me) -> fail.\n", [Mod]), + ok = file:write_file(File++".erl", Src), + case c:c(File, [{outdir,Dir}]) of + {ok,Module} -> + Module:test(me); + {error,sticky_directory} -> + ok + end; + false -> + %% For some reason the module is not sticky + %% could be that the .erlang file has + %% unstuck it? + {Mod, is_not_sticky} end. %% Test that the -pa and -pz options work as expected. @@ -808,8 +864,6 @@ check_funs({'$M_EXPR','$F_EXPR',_}, {code_server,start_link,1}]) -> 0; check_funs({'$M_EXPR','$F_EXPR',_}, [{erlang,spawn_link,1},{code_server,start_link,1}]) -> 0; -check_funs({'$M_EXPR',module_info,1}, - [{hipe_unified_loader,patch_to_emu_step1,1} | _]) -> 0; check_funs({'$M_EXPR','$F_EXPR',2}, [{hipe_unified_loader,write_words,3} | _]) -> 0; check_funs({'$M_EXPR','$F_EXPR',2}, @@ -821,11 +875,7 @@ check_funs({'$M_EXPR','$F_EXPR',2}, {hipe_unified_loader,sort_and_write,5} | _]) -> 0; check_funs({'$M_EXPR','$F_EXPR',1}, [{lists,foreach,2}, - {hipe_unified_loader,patch_consts,3} | _]) -> 0; -check_funs({'$M_EXPR','$F_EXPR',1}, - [{lists,foreach,2}, - {hipe_unified_loader,mark_referred_from,1}, - {hipe_unified_loader,get_refs_from,2}| _]) -> 0; + {hipe_unified_loader,patch_consts,4} | _]) -> 0; check_funs({'$M_EXPR',warning_msg,2}, [{code_server,finish_on_load_report,2} | _]) -> 0; check_funs({'$M_EXPR','$F_EXPR',1}, @@ -1234,10 +1284,9 @@ on_load_embedded(Config) when is_list(Config) -> on_load_embedded_1(Config) -> DataDir = proplists:get_value(data_dir, Config), + LinkName = proplists:get_value(link_name, Config), %% Link the on_load_app application into the lib directory. - LibRoot = code:lib_dir(), - LinkName = filename:join(LibRoot, "on_load_app-1.0"), OnLoadApp = filename:join(DataDir, "on_load_app-1.0"), del_link(LinkName), io:format("LinkName :~p, OnLoadApp: ~p~n",[LinkName,OnLoadApp]), @@ -1271,8 +1320,7 @@ on_load_embedded_1(Config) -> ok = rpc:call(Node, on_load_embedded, status, []), %% Clean up. - stop_node(Node), - ok = del_link(LinkName). + stop_node(Node). del_link(LinkName) -> case file:delete(LinkName) of @@ -1323,9 +1371,8 @@ create_big_boot(Config) -> %% corresponding beam file (if hipe is not enabled). filter_app("hipe",_) -> false; -%% Dialyzer and typer depends on hipe +%% Dialyzer depends on hipe filter_app("dialyzer",_) -> false; -filter_app("typer",_) -> false; %% Orber requires explicit configuration filter_app("orber",_) -> false; @@ -1602,6 +1649,98 @@ on_load_pending(_Config) -> ok = Mod:t(), ok. +on_load_deleted(_Config) -> + Mod = ?FUNCTION_NAME, + + R0 = fun() -> + Tree = ?Q(["-module('@Mod@').\n", + "-on_load(f/0).\n", + "f() -> ok.\n"]), + merl:print(Tree), + {ok,Mod,Code} = merl:compile(Tree), + {module,Mod} = code:load_binary(Mod, "", Code) + end, + delete_before_reload(Mod, R0), + delete_before_reload(Mod, R0), + + R1 = fun() -> + Tree = ?Q(["-module('@Mod@').\n", + "-on_load(f/0).\n", + "f() -> fail.\n"]), + merl:print(Tree), + {ok,Mod,Code} = merl:compile(Tree), + {error,on_load_failure} = code:load_binary(Mod, "", Code) + end, + delete_before_reload(Mod, R1), + delete_before_reload(Mod, R1), + + OtherMod = list_to_atom(lists:concat([Mod,"_42"])), + OtherTree = ?Q(["-module('@OtherMod@').\n"]), + merl:print(OtherTree), + {ok,OtherMod,OtherCode} = merl:compile(OtherTree), + + R2 = fun() -> + RegName = 'on_load__registered_name', + Tree = ?Q(["-module('@Mod@').\n", + "-on_load(f/0).\n", + "f() ->\n", + " register('@RegName@', self()),\n", + " receive _ -> ok end.\n"]), + merl:print(Tree), + {ok,Mod,Code} = merl:compile(Tree), + spawn(fun() -> + {module,Mod} = code:load_binary(Mod, "", Code) + end), + receive after 1 -> ok end, + {module,OtherMod} = code:load_binary(OtherMod, "", + OtherCode), + RegName ! stop + end, + delete_before_reload(Mod, R2), + + ok. + +delete_before_reload(Mod, Reload) -> + false = check_old_code(Mod), + + Tree1 = ?Q(["-module('@Mod@').\n", + "-export([f/1]).\n", + "f(Parent) ->\n", + " register('@Mod@', self()),\n", + " Parent ! started,\n", + " receive _ -> ok end.\n"]), + merl:print(Tree1), + {ok,Mod,Code1} = merl:compile(Tree1), + + Self = self(), + spawn(fun() -> + {module,Mod} = code:load_binary(Mod, "", Code1), + Mod:f(Self) + end), + receive started -> ok end, + + true = code:delete(Mod), + true = check_old_code(Mod), + + Reload(), + + %% When loading the the module with the -on_load() function, + %% the reference to the old code would be lost. Make sure that + %% the old code is remembered and is still preventing the + %% purge. + false = code:soft_purge(Mod), + + %% Get rid of the old code. + Mod ! stop, + receive after 1 -> ok end, + true = code:soft_purge(Mod), + + %% Unload the version of the module with the -on_load() function. + true = code:delete(Mod), + true = code:soft_purge(Mod), + + ok. + %% Test that the native code of early loaded modules is loaded. native_early_modules(Config) when is_list(Config) -> @@ -1650,6 +1789,185 @@ do_normalized_paths([M|Ms]) -> do_normalized_paths([]) -> ok. +%% Test that module_status/1 behaves as expected +module_status(_Config) -> + case test_server:is_cover() of + true -> + module_status(); + false -> + %% Make sure that we terminate the cover server. + try + module_status() + after + cover:stop() + end + end. + +module_status() -> + %% basics + not_loaded = code:module_status(fubar), % nonexisting + {file, preloaded} = code:is_loaded(erlang), + loaded = code:module_status(erlang), % preloaded + loaded = code:module_status(?MODULE), % normal known loaded + + non_existing = code:which(?TESTMOD), % verify dummy name not in path + code:purge(?TESTMOD), % ensure no previous version in memory + code:delete(?TESTMOD), + code:purge(?TESTMOD), + + %% generated code is detected as such + {ok,?TESTMOD,Bin} = compile:forms(dummy_ast(), []), + {module,?TESTMOD} = code:load_binary(?TESTMOD,"",Bin), % no source file + ok = ?TESTMOD:f(), + "" = code:which(?TESTMOD), % verify empty string for source file + loaded = code:module_status(?TESTMOD), + + %% deleting generated code + true = code:delete(?TESTMOD), + non_existing = code:which(?TESTMOD), % verify still not in path + not_loaded = code:module_status(?TESTMOD), + + %% beam file exists but not loaded + make_source_file(<<"0">>), + compile_beam(0), + true = (non_existing =/= code:which(?TESTMOD)), % verify in path + not_loaded = code:module_status(?TESTMOD), + + %% loading code from disk makes it loaded + load_code(), + loaded = code:module_status(?TESTMOD), % loaded + + %% cover compiling a module + {ok,?TESTMOD} = cover:compile(?TESTMOD), + {file, cover_compiled} = code:is_loaded(?TESTMOD), % verify cover compiled + modified = code:module_status(?TESTMOD), % loaded cover code but file exists + remove_code(), + removed = code:module_status(?TESTMOD), % removed + compile_beam(0), + modified = code:module_status(?TESTMOD), % recreated + load_code(), + loaded = code:module_status(?TESTMOD), % loading removes cover status + code:purge(?TESTMOD), + true = code:delete(?TESTMOD), + not_loaded = code:module_status(?TESTMOD), % deleted + + %% recompilation ignores timestamps, only md5 matters + load_code(), + compile_beam(1100), + loaded = code:module_status(?TESTMOD), + + %% modifying module detects different md5 + make_source_file(<<"1">>), + compile_beam(0), + modified = code:module_status(?TESTMOD), + + %% loading the modified code from disk makes it loaded + load_code(), + loaded = code:module_status(?TESTMOD), + + %% removing and recreating a module with same md5 + remove_code(), + removed = code:module_status(?TESTMOD), + compile_beam(0), + loaded = code:module_status(?TESTMOD), + + case erlang:system_info(hipe_architecture) of + undefined -> + %% no native support + ok; + _ -> + %% native chunk is ignored if beam code is already loaded + load_code(), + loaded = code:module_status(?TESTMOD), + false = has_native(?TESTMOD), + compile_native(0), + BeamMD5 = erlang:get_module_info(?TESTMOD, md5), + {ok,{?TESTMOD,BeamMD5}} = beam_lib:md5(?TESTMODOBJ), % beam md5 unchanged + loaded = code:module_status(?TESTMOD), + + %% native code reported as loaded, though different md5 from beam + load_code(), + true = has_native(?TESTMOD), + NativeMD5 = erlang:get_module_info(?TESTMOD, md5), + true = (BeamMD5 =/= NativeMD5), + loaded = code:module_status(?TESTMOD), + + %% recompilation ignores timestamps, only md5 matters + compile_native(1100), % later timestamp + loaded = code:module_status(?TESTMOD), + + %% modifying native module detects different md5 + make_source_file(<<"2">>), + compile_native(0), + modified = code:module_status(?TESTMOD), + + %% loading the modified native code from disk makes it loaded + load_code(), + true = has_native(?TESTMOD), + NativeMD5_2 = erlang:get_module_info(?TESTMOD, md5), + true = (NativeMD5 =/= NativeMD5_2), % verify native md5 changed + {ok,{?TESTMOD,BeamMD5_2}} = beam_lib:md5(?TESTMODOBJ), + true = (BeamMD5_2 =/= NativeMD5_2), % verify md5 differs from beam + loaded = code:module_status(?TESTMOD), + + %% removing and recreating a native module with same md5 + remove_code(), + removed = code:module_status(?TESTMOD), + compile_native(0), + loaded = code:module_status(?TESTMOD), + + %% purging/deleting native module + code:purge(?TESTMOD), + true = code:delete(?TESTMOD), + not_loaded = code:module_status(?TESTMOD) + end, + ok. + +compile_beam(Sleep) -> + compile(Sleep, []). + +compile_native(Sleep) -> + compile(Sleep, [native]). + +compile(Sleep, Opts) -> + timer:sleep(Sleep), % increment compilation timestamp + {ok,?TESTMOD} = compile:file(?TESTMODSRC, Opts). + +load_code() -> + code:purge(?TESTMOD), + {module,?TESTMOD} = code:load_file(?TESTMOD). + +remove_code() -> + ok = file:delete(?TESTMODOBJ). + +has_native(Module) -> + case erlang:get_module_info(Module, native_addresses) of + [] -> false; + [_|_] -> true + end. + +make_source_file(Body) -> + ok = file:write_file(?TESTMODSRC, dummy_source(Body)). + +dummy_source(Body) -> + [<<"-module(" ?TESTMODSTR ").\n" + "-export([f/0]).\n" + "f() -> ">>, Body, <<".\n">>]. + +dummy_ast() -> + dummy_ast(?TESTMODSTR). + +dummy_ast(Mod) when is_atom(Mod) -> + dummy_ast(atom_to_list(Mod)); +dummy_ast(ModStr) -> + [scan_form("-module(" ++ ModStr ++ ")."), + scan_form("-export([f/0])."), + scan_form("f() -> ok.")]. + +scan_form(String) -> + {ok,Ts,_} = erl_scan:string(String), + {ok,F} = erl_parse:parse_form(Ts), + F. %%----------------------------------------------------------------- %% error_logger handler. diff --git a/lib/kernel/test/code_SUITE_data/upgrade_client.erl b/lib/kernel/test/code_SUITE_data/upgrade_client.erl index bb655e01d3..faa18e1410 100644 --- a/lib/kernel/test/code_SUITE_data/upgrade_client.erl +++ b/lib/kernel/test/code_SUITE_data/upgrade_client.erl @@ -9,6 +9,8 @@ run(Dir, Upgradee1, Upgradee2, Other1, Other2) -> %% Load version 1 of upgradee code_SUITE:compile_load(upgradee, Dir, 1, Upgradee1), + Tracer = start_tracing(), + ?line 1 = upgradee:exp1(), ?line 1 = upgradee:exp1exp2(), ?line 1 = upgradee:exp1loc2(), @@ -56,6 +58,15 @@ run(Dir, Upgradee1, Upgradee2, Other1, Other2) -> ?line {'EXIT',{undef,_}} = proxy_call(P, other, loc1), ?line {'EXIT',{undef,_}} = proxy_call(P, other, loc2), + Env1 = "Env1", + put(loc1_fun, upgradee:get_local_fun(Env1)), + ?line {1,Env1} = (get(loc1_fun))(), + + put(exp1exp2_fun, upgradee:get_exp1exp2_fun()), + ?line 1 = (get(exp1exp2_fun))(), + + ok = check_tracing(Tracer, 13), + %% %% Load version 1 of other %% @@ -78,6 +89,8 @@ run(Dir, Upgradee1, Upgradee2, Other1, Other2) -> ?line {'EXIT',{undef,_}} = proxy_call(P, other, exp2), ?line {'EXIT',{undef,_}} = proxy_call(P, other, loc2), + ok = check_tracing(Tracer, 5), + %% %% Load version 2 of upgradee %% @@ -130,6 +143,15 @@ run(Dir, Upgradee1, Upgradee2, Other1, Other2) -> ?line {'EXIT',{undef,_}} = proxy_call(P, other, exp2), ?line {'EXIT',{undef,_}} = proxy_call(P, other, loc2), + ?line {1,Env1} = (get(loc1_fun))(), + Env2 = "Env2", + put(loc2_fun, upgradee:get_local_fun(Env2)), + ?line {2,Env2} = (get(loc2_fun))(), + + ?line 2 = (get(exp1exp2_fun))(), + + ok = check_tracing(Tracer, 10), + %% %% Load version 2 of other %% @@ -182,17 +204,26 @@ run(Dir, Upgradee1, Upgradee2, Other1, Other2) -> ?line {'EXIT',{undef,_}} = proxy_call(P, other, loc1loc2), ?line {'EXIT',{undef,_}} = proxy_call(P, other, loc2), + ?line {1,Env1} = (get(loc1_fun))(), + ?line {2,Env2} = (get(loc2_fun))(), + ?line 2 = (get(exp1exp2_fun))(), + + ok = check_tracing(Tracer, 10), %% %% Upgrade proxy to version 2 %% P ! upgrade_order, - %% - io:format("Delete version 2 of 'upgradee'\n",[]), + io:format("Purge version 1 of 'upgradee'\n",[]), %% + put(loc1_fun,undefined), code:purge(upgradee), + + %% + io:format("Delete version 2 of 'upgradee'\n",[]), + %% code:delete(upgradee), ?line {'EXIT',{undef,_}} = (catch upgradee:exp2()), @@ -239,17 +270,24 @@ run(Dir, Upgradee1, Upgradee2, Other1, Other2) -> ?line {'EXIT',{undef,_}} = proxy_call(P, other, exp1loc2), ?line {'EXIT',{undef,_}} = proxy_call(P, other, loc1loc2), ?line {'EXIT',{undef,_}} = proxy_call(P, other, loc2), + + ?line {'EXIT',{undef,_}} = (catch (get(exp1exp2_fun))()), + ok = check_tracing(Tracer, 14), + unlink(P), exit(P, die_please), io:format("Purge 'upgradee'\n",[]), + put(loc2_fun,undefined), code:purge(upgradee), io:format("Delete and purge 'other'\n",[]), code:purge(other), code:delete(other), code:purge(other), + + stop_tracing(Tracer), ok. proxy_call(Pid, CallType, Func) -> @@ -257,3 +295,54 @@ proxy_call(Pid, CallType, Func) -> receive {Pid, call_result, Func, Ret} -> Ret end. + + +start_tracing() -> + Self = self(), + {Tracer,_} = spawn_opt(fun() -> tracer_loop(Self) end, [link,monitor]), + ?line 1 = erlang:trace_pattern({error_handler,undefined_function,3}, + true, [global]), + ?line 1 = erlang:trace(Self, true, [call,{tracer,Tracer}]), + Tracer. + + +tracer_loop(Receiver) -> + receive + die_please -> + ok; + {do_trace_delivered, Tracee} -> + _ = erlang:trace_delivered(Tracee), + tracer_loop(Receiver); + + Msg -> + Receiver ! Msg, + tracer_loop(Receiver) + end. + +check_tracing(Tracer, Expected) -> + Tracer ! {do_trace_delivered, self()}, + case check_tracing_loop(0,[]) of + {Expected,_} -> + ok; + {Got, MsgList} -> + io:format("Expected ~p trace msg, got ~p:\n~p\n", + [Expected, Got, lists:reverse(MsgList)]), + "Trace msg mismatch" + end. + +check_tracing_loop(N, MsgList) -> + Self = self(), + receive + {trace, _Pid, call, {_M, _F, _Args}} = Msg -> + check_tracing_loop(N+1, [Msg | MsgList]); + {trace_delivered, Self, _} -> + {N, MsgList} + end. + + +stop_tracing(Tracer) -> + erlang:trace(self(), false, [call]), + Tracer ! die_please, + receive + {'DOWN', _, process, Tracer, _} -> ok + end. diff --git a/lib/kernel/test/code_SUITE_data/upgradee.erl b/lib/kernel/test/code_SUITE_data/upgradee.erl index 62b1d95e30..8ca660c19c 100644 --- a/lib/kernel/test/code_SUITE_data/upgradee.erl +++ b/lib/kernel/test/code_SUITE_data/upgradee.erl @@ -8,6 +8,9 @@ -export([exp1/0]). % only exported in v1 -export([exp1loc2/0]). % exported in v1, local in v2 -export([exp1exp2/0]). % exported in v1 and v2 +-export([get_local_fun/1]). +-export([get_exp1exp2_fun/0]). +-export([exp1exp2_fun/0]). exp1() -> ?VERSION. loc1() -> ?VERSION. @@ -20,6 +23,9 @@ loc1() -> ?VERSION. -export([exp2/0]). -export([loc1exp2/0]). -export([exp1exp2/0]). +-export([get_local_fun/1]). +-export([get_exp1exp2_fun/0]). +-export([exp1exp2_fun/0]). exp2() -> ?VERSION. loc2() -> ?VERSION. @@ -31,6 +37,12 @@ exp1loc2() -> ?VERSION. loc1exp2() -> ?VERSION. loc1loc2() -> ?VERSION. +get_local_fun(Env) -> fun() -> {?VERSION,Env} end. +get_exp1exp2_fun() -> fun ?MODULE:exp1exp2_fun/0. + +exp1exp2_fun() -> + ?VERSION. + dispatch_loop() -> receive upgrade_order -> diff --git a/lib/kernel/test/disk_log_SUITE.erl b/lib/kernel/test/disk_log_SUITE.erl index f7ad9c0c04..fe2fc778f2 100644 --- a/lib/kernel/test/disk_log_SUITE.erl +++ b/lib/kernel/test/disk_log_SUITE.erl @@ -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. @@ -421,7 +421,7 @@ halt_ro_alog(Conf) when is_list(Conf) -> halt_ro_alog_wait_notify(Log, T) -> Term = term_to_binary(T), receive - {disk_log, _, Log,{read_only, Term}} -> + {disk_log, _, Log,{read_only, [Term]}} -> ok; Other -> Other @@ -449,7 +449,7 @@ halt_ro_balog(Conf) when is_list(Conf) -> halt_ro_balog_wait_notify(Log, T) -> Term = list_to_binary(T), receive - {disk_log, _, Log,{read_only, Term}} -> + {disk_log, _, Log,{read_only, [Term]}} -> ok; Other -> Other @@ -1385,15 +1385,15 @@ blocked_notif(Conf) when is_list(Conf) -> "The requested operation" ++ _ = format_error(Error1), ok = disk_log:blog(n, B), ok = disk_log:alog(n, B), - rec(1, {disk_log, node(), n, {format_external, term_to_binary(B)}}), + rec(1, {disk_log, node(), n, {format_external, [term_to_binary(B)]}}), ok = disk_log:alog_terms(n, [B,B,B,B]), rec(1, {disk_log, node(), n, {format_external, lists:map(fun term_to_binary/1, [B,B,B,B])}}), ok = disk_log:block(n, false), ok = disk_log:alog(n, B), - rec(1, {disk_log, node(), n, {blocked_log, term_to_binary(B)}}), + rec(1, {disk_log, node(), n, {blocked_log, [term_to_binary(B)]}}), ok = disk_log:balog(n, B), - rec(1, {disk_log, node(), n, {blocked_log, list_to_binary(B)}}), + rec(1, {disk_log, node(), n, {blocked_log, [list_to_binary(B)]}}), ok = disk_log:balog_terms(n, [B,B,B,B]), disk_log:close(n), rec(1, {disk_log, node(), n, {blocked_log, @@ -2493,6 +2493,7 @@ error_repair(Conf) when is_list(Conf) -> del(File, No), ok = file:del_dir(Dir), + error_logger:add_report_handler(?MODULE, self()), %% repair a file P1 = pps(), {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap}, @@ -2509,6 +2510,8 @@ error_repair(Conf) when is_list(Conf) -> ok = disk_log:close(n), true = (P1 == pps()), del(File, No), + receive {info_msg, _, "disk_log: repairing" ++ _, _} -> ok + after 1000 -> ct:fail(failed) end, %% yet another repair P2 = pps(), @@ -2525,6 +2528,8 @@ error_repair(Conf) when is_list(Conf) -> ok = disk_log:close(n), true = (P2 == pps()), del(File, No), + receive {info_msg, _, "disk_log: repairing" ++ _, _} -> ok + after 1000 -> ct:fail(failed) end, %% Repair, large term Big = term_to_binary(lists:duplicate(66000,$a)), @@ -2540,6 +2545,8 @@ error_repair(Conf) when is_list(Conf) -> ok = disk_log:close(n), Got = Big, del(File, No), + receive {info_msg, _, "disk_log: repairing" ++ _, _} -> ok + after 1000 -> ct:fail(failed) end, %% A term a little smaller than a chunk, then big terms. BigSmall = mk_bytes(1024*64-8-12), @@ -2560,6 +2567,8 @@ error_repair(Conf) when is_list(Conf) -> {type, halt}, {format, internal}]), ok = disk_log:close(n), file:delete(File), + receive {info_msg, _, "disk_log: repairing" ++ _, _} -> ok + after 1000 -> ct:fail(failed) end, %% The header is recovered. {ok,n} = @@ -2573,12 +2582,13 @@ error_repair(Conf) when is_list(Conf) -> crash(File, 30), {repaired,n,{recovered,3},{badbytes,16}} = disk_log:open([{name, n}, {file, File}, {type, halt}, - {format, internal},{repair,true}, + {format, internal},{repair,true}, {quiet, true}, {head_func, {?MODULE, head_fun, [{ok,"head"}]}}]), ["head",'of',terms] = get_all_terms(n), ok = disk_log:close(n), - + error_logger:delete_report_handler(?MODULE), file:delete(File), + {messages, []} = process_info(self(), messages), ok. @@ -4666,7 +4676,7 @@ other_groups(Conf) when is_list(Conf) -> ok. --define(MAX, 16384). % MAX in disk_log_1.erl +-define(MAX, ?MAX_FWRITE_CACHE). % as in disk_log_1.erl %% Evil cases such as closed file descriptor port. evil(Conf) when is_list(Conf) -> Dir = ?privdir(Conf), @@ -4690,7 +4700,7 @@ evil(Conf) when is_list(Conf) -> {size,?MAX+50},{format,external}]), [Fd] = erlang:ports() -- Ports0, {B,_} = x_mk_bytes(30), - ok = disk_log:blog(Log, <<0:(?MAX+1)/unit:8>>), + ok = disk_log:blog(Log, <<0:(?MAX-1)/unit:8>>), exit(Fd, kill), {error, {file_error,_,einval}} = disk_log:blog_terms(Log, [B,B]), ok= disk_log:close(Log), @@ -5007,6 +5017,9 @@ init(Tester) -> handle_event({error_report, _GL, {Pid, crash_report, Report}}, Tester) -> Tester ! {crash_report, Pid, Report}, {ok, Tester}; +handle_event({info_msg, _GL, {Pid, F,A}}, Tester) -> + Tester ! {info_msg, Pid, F, A}, + {ok, Tester}; handle_event(_Event, State) -> {ok, State}. diff --git a/lib/kernel/test/erl_distribution_SUITE.erl b/lib/kernel/test/erl_distribution_SUITE.erl index eb58e92224..bbfaa9d147 100644 --- a/lib/kernel/test/erl_distribution_SUITE.erl +++ b/lib/kernel/test/erl_distribution_SUITE.erl @@ -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. @@ -24,7 +24,10 @@ -export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, init_per_group/2,end_per_group/2]). --export([tick/1, tick_change/1, illegal_nodenames/1, hidden_node/1, +-export([tick/1, tick_change/1, + nodenames/1, hostnames/1, + illegal_nodenames/1, hidden_node/1, + setopts/1, table_waste/1, net_setuptime/1, inet_dist_options_options/1, @@ -42,6 +45,8 @@ -export([get_socket_priorities/0, tick_cli_test/1, tick_cli_test1/1, tick_serv_test/2, tick_serv_test1/1, + run_remote_test/1, + setopts_do/2, keep_conn/1, time_ping/1]). -export([init_per_testcase/2, end_per_testcase/2]). @@ -50,7 +55,6 @@ -export([pinger/1]). - -define(DUMMY_NODE,dummy@test01). %%----------------------------------------------------------------- @@ -65,7 +69,8 @@ suite() -> {timetrap,{minutes,4}}]. all() -> - [tick, tick_change, illegal_nodenames, hidden_node, + [tick, tick_change, nodenames, hostnames, illegal_nodenames, + hidden_node, setopts, table_waste, net_setuptime, inet_dist_options_options, {group, monitor_nodes}]. @@ -175,7 +180,105 @@ table_waste(Config) when is_list(Config) -> stop_node(N), ok. +%% Test that starting nodes with different legal name part works, and that illegal +%% ones are filtered +nodenames(Config) when is_list(Config) -> + legal("a1@b"), + legal("a-1@b"), + legal("a_1@b"), + + illegal("cdé@a"), + illegal("te欢st@a"). + +%% Test that starting nodes with different legal host part works, and that illegal +%% ones are filtered +hostnames(Config) when is_list(Config) -> + Host = gethostname(), + legal([$a,$@|atom_to_list(Host)]), + legal("1@b1"), + legal("b@b1-c"), + legal("c@b1_c"), + legal("d@b1#c"), + legal("f@::1"), + legal("g@1:bc3:4e3f:f20:0:1"), + + case file:native_name_encoding() of + latin1 -> ignore; + _ -> legal("e@b1é") + end, + long_hostnames(net_kernel:longnames()), + + illegal("h@testالع"), + illegal("i@языtest"), + illegal("j@te欢st"). + +long_hostnames(true) -> + legal("[email protected]"), + legal("[email protected]"), + legal("[email protected]_c.d"), + legal("[email protected]"), + legal("[email protected]"); +long_hostnames(false) -> + illegal("[email protected]"). + +legal(Name) -> + case test_node(Name) of + started -> + ok; + not_started -> + ct:fail("no ~p node started", [Name]) + end. + +illegal(Name) -> + case test_node(Name, true) of + not_started -> + ok; + started -> + ct:fail("~p node started with illegal name", [Name]) + end. + +test_node(Name) -> + test_node(Name, false). +test_node(Name, Illigal) -> + ProgName = atom_to_list(lib:progname()), + Command = ProgName ++ " -noinput " ++ long_or_short() ++ Name ++ + " -eval \"net_adm:ping('" ++ atom_to_list(node()) ++ "')\"" ++ + case Illigal of + true -> + " -eval \"timer:sleep(10000),init:stop().\""; + false -> + "" + end, + net_kernel:monitor_nodes(true), + BinCommand = unicode:characters_to_binary(Command, utf8), + Prt = open_port({spawn, BinCommand}, [stream]), + Node = list_to_atom(Name), + receive + {nodeup, Node} -> + net_kernel:monitor_nodes(false), + slave:stop(Node), + started + after 5000 -> + net_kernel:monitor_nodes(false), + not_started + end. +long_or_short() -> + case net_kernel:longnames() of + true -> " -name "; + false -> " -sname " + end. + +% get the localhost's name, depending on the using name policy +gethostname() -> + Hostname = case net_kernel:longnames() of + true-> + net_adm:localhost(); + _-> + {ok, Name}=inet:gethostname(), + Name + end, + list_to_atom(Hostname). %% Test that pinging an illegal nodename does not kill the node. illegal_nodenames(Config) when is_list(Config) -> @@ -226,10 +329,10 @@ time_ping(Node) -> T0 = erlang:monotonic_time(), pang = net_adm:ping(Node), T1 = erlang:monotonic_time(), - erlang:convert_time_unit(T1 - T0, native, milli_seconds). + erlang:convert_time_unit(T1 - T0, native, millisecond). %% Keep the connection with the client node up. -%% This is neccessary as the client node runs with much shorter +%% This is necessary as the client node runs with much shorter %% tick time !! keep_conn(Node) -> sleep(1), @@ -270,7 +373,7 @@ tick_cli_test1(Node) -> receive {whats_the_result, From} -> Diff = erlang:convert_time_unit(T2-T1, native, - milli_seconds), + millisecond), case Diff of T when T > 8000, T < 16000 -> From ! {tick_test, T}; @@ -282,6 +385,165 @@ tick_cli_test1(Node) -> end end. +setopts(Config) when is_list(Config) -> + register(setopts_regname, self()), + [N1,N2,N3,N4] = get_nodenames(4, setopts), + + {_N1F,Port1} = start_node_unconnected(N1, ?MODULE, run_remote_test, + ["setopts_do", atom_to_list(node()), "1", "ping"]), + 0 = wait_for_port_exit(Port1), + + {_N2F,Port2} = start_node_unconnected(N2, ?MODULE, run_remote_test, + ["setopts_do", atom_to_list(node()), "2", "ping"]), + 0 = wait_for_port_exit(Port2), + + {ok, LSock} = gen_tcp:listen(0, [{packet,2}, {active,false}]), + {ok, LTcpPort} = inet:port(LSock), + + {N3F,Port3} = start_node_unconnected(N3, ?MODULE, run_remote_test, + ["setopts_do", atom_to_list(node()), + "1", integer_to_list(LTcpPort)]), + wait_and_connect(LSock, N3F, Port3), + 0 = wait_for_port_exit(Port3), + + {N4F,Port4} = start_node_unconnected(N4, ?MODULE, run_remote_test, + ["setopts_do", atom_to_list(node()), + "2", integer_to_list(LTcpPort)]), + wait_and_connect(LSock, N4F, Port4), + 0 = wait_for_port_exit(Port4), + + ok. + +wait_and_connect(LSock, NodeName, NodePort) -> + {ok, Sock} = gen_tcp:accept(LSock), + {ok, "Connect please"} = gen_tcp:recv(Sock, 0), + flush_from_port(NodePort), + pong = net_adm:ping(NodeName), + gen_tcp:send(Sock, "Connect done"), + gen_tcp:close(Sock). + + +flush_from_port(Port) -> + flush_from_port(Port, 10). + +flush_from_port(Port, Timeout) -> + receive + {Port,{data,String}} -> + io:format("~p: ~s\n", [Port, String]), + flush_from_port(Port, Timeout) + after Timeout -> + timeout + end. + +wait_for_port_exit(Port) -> + case (receive M -> M end) of + {Port,{exit_status,Status}} -> + Status; + {Port,{data,String}} -> + io:format("~p: ~s\n", [Port, String]), + wait_for_port_exit(Port) + end. + +run_remote_test([FuncStr, TestNodeStr | Args]) -> + Status = try + io:format("Node ~p started~n", [node()]), + TestNode = list_to_atom(TestNodeStr), + io:format("Node ~p spawning function ~p~n", [node(), FuncStr]), + {Pid,Ref} = spawn_monitor(?MODULE, list_to_atom(FuncStr), [TestNode, Args]), + io:format("Node ~p waiting for function ~p~n", [node(), FuncStr]), + receive + {'DOWN', Ref, process, Pid, normal} -> + 0; + Other -> + io:format("Node ~p got unexpected msg: ~p\n",[node(), Other]), + 1 + end + catch + C:E -> + io:format("Node ~p got EXCEPTION ~p:~p\nat ~p\n", + [node(), C, E, erlang:get_stacktrace()]), + 2 + end, + io:format("Node ~p doing halt(~p).\n",[node(), Status]), + erlang:halt(Status). + +% Do the actual test on the remote node +setopts_do(TestNode, [OptNr, ConnectData]) -> + [] = nodes(), + {Opt, Val} = opt_from_nr(OptNr), + ok = net_kernel:setopts(new, [{Opt, Val}]), + + [] = nodes(), + {error, noconnection} = net_kernel:getopts(TestNode, [Opt]), + + case ConnectData of + "ping" -> % We connect + net_adm:ping(TestNode); + TcpPort -> % Other connect + {ok, Sock} = gen_tcp:connect("localhost", list_to_integer(TcpPort), + [{active,false},{packet,2}]), + ok = gen_tcp:send(Sock, "Connect please"), + {ok, "Connect done"} = gen_tcp:recv(Sock, 0), + gen_tcp:close(Sock) + end, + [TestNode] = nodes(), + {ok, [{Opt,Val}]} = net_kernel:getopts(TestNode, [Opt]), + {error, noconnection} = net_kernel:getopts('pixie@fairyland', [Opt]), + + NewVal = change_val(Val), + ok = net_kernel:setopts(TestNode, [{Opt, NewVal}]), + {ok, [{Opt,NewVal}]} = net_kernel:getopts(TestNode, [Opt]), + + ok = net_kernel:setopts(TestNode, [{Opt, Val}]), + {ok, [{Opt,Val}]} = net_kernel:getopts(TestNode, [Opt]), + + ok. + +opt_from_nr("1") -> {nodelay, true}; +opt_from_nr("2") -> {nodelay, false}. + +change_val(true) -> false; +change_val(false) -> true. + +start_node_unconnected(Name, Mod, Func, Args) -> + FullName = full_node_name(Name), + CmdLine = mk_node_cmdline(Name,Mod,Func,Args), + io:format("Starting node ~p: ~s~n", [FullName, CmdLine]), + case open_port({spawn, CmdLine}, [exit_status]) of + Port when is_port(Port) -> + {FullName, Port}; + Error -> + exit({failed_to_start_node, FullName, Error}) + end. + +full_node_name(PreName) -> + HostSuffix = lists:dropwhile(fun ($@) -> false; (_) -> true end, + atom_to_list(node())), + list_to_atom(atom_to_list(PreName) ++ HostSuffix). + +mk_node_cmdline(Name,Mod,Func,Args) -> + Static = "-noinput", + Pa = filename:dirname(code:which(?MODULE)), + Prog = case catch init:get_argument(progname) of + {ok,[[P]]} -> P; + _ -> exit(no_progname_argument_found) + end, + NameSw = case net_kernel:longnames() of + false -> "-sname "; + true -> "-name "; + _ -> exit(not_distributed_node) + end, + {ok, Pwd} = file:get_cwd(), + NameStr = atom_to_list(Name), + Prog ++ " " + ++ Static ++ " " + ++ NameSw ++ " " ++ NameStr + ++ " -pa " ++ Pa + ++ " -env ERL_CRASH_DUMP " ++ Pwd ++ "/erl_crash_dump." ++ NameStr + ++ " -setcookie " ++ atom_to_list(erlang:get_cookie()) + ++ " -run " ++ atom_to_list(Mod) ++ " " ++ atom_to_list(Func) + ++ " " ++ string:join(Args, " "). + %% OTP-4255. tick_change(Config) when is_list(Config) -> @@ -896,7 +1158,7 @@ monitor_nodes_otp_6481_test(Config, TestType) when is_list(Config) -> RemotePid = spawn(Node, fun () -> receive after 1500 -> ok end, - %% infinit loop of msgs + %% infinite loop of msgs %% we want an endless stream of messages and the kill %% the node mercilessly. %% We then want to ensure that the nodedown message arrives diff --git a/lib/kernel/test/erl_distribution_wb_SUITE.erl b/lib/kernel/test/erl_distribution_wb_SUITE.erl index 6a23ad0d11..03aaee56b7 100644 --- a/lib/kernel/test/erl_distribution_wb_SUITE.erl +++ b/lib/kernel/test/erl_distribution_wb_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1999-2016. All Rights Reserved. +%% Copyright Ericsson AB 1999-2017. 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. @@ -30,7 +30,7 @@ %% 1) %% -%% Connections are now always set up symetrically with respect to +%% Connections are now always set up symmetrically with respect to %% publication. If connecting node doesn't send DFLAG_PUBLISHED %% the other node wont send DFLAG_PUBLISHED. If the connecting %% node send DFLAG_PUBLISHED but the other node doesn't send @@ -56,10 +56,14 @@ -define(DFLAG_HIDDEN_ATOM_CACHE,16#40). -define(DFLAG_NEW_FUN_TAGS,16#80). -define(DFLAG_EXTENDED_PIDS_PORTS,16#100). +-define(DFLAG_UTF8_ATOMS, 16#10000). %% From R9 and forward extended references is compulsory %% From R10 and forward extended pids and ports are compulsory --define(COMPULSORY_DFLAGS, (?DFLAG_EXTENDED_REFERENCES bor ?DFLAG_EXTENDED_PIDS_PORTS)). +%% From R20 and forward UTF8 atoms are compulsory +-define(COMPULSORY_DFLAGS, (?DFLAG_EXTENDED_REFERENCES bor + ?DFLAG_EXTENDED_PIDS_PORTS bor + ?DFLAG_UTF8_ATOMS)). -define(shutdown(X), exit(X)). diff --git a/lib/kernel/test/error_logger_SUITE.erl b/lib/kernel/test/error_logger_SUITE.erl index b6e7551741..2d26a7246c 100644 --- a/lib/kernel/test/error_logger_SUITE.erl +++ b/lib/kernel/test/error_logger_SUITE.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. @@ -30,6 +30,7 @@ -export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, init_per_group/2,end_per_group/2, + off_heap/1, error_report/1, info_report/1, error/1, info/1, emulator/1, tty/1, logfile/1, add/1, delete/1]). @@ -45,7 +46,7 @@ suite() -> {timetrap,{minutes,1}}]. all() -> - [error_report, info_report, error, info, emulator, tty, + [off_heap, error_report, info_report, error, info, emulator, tty, logfile, add, delete]. groups() -> @@ -66,6 +67,16 @@ end_per_group(_GroupName, Config) -> %%----------------------------------------------------------------- +off_heap(_Config) -> + %% The error_logger process may receive a huge amount of + %% messages. Make sure that they are stored off heap to + %% avoid exessive GCs. + MQD = message_queue_data, + {MQD,off_heap} = process_info(whereis(error_logger), MQD), + ok. + +%%----------------------------------------------------------------- + error_report(Config) when is_list(Config) -> error_logger:add_report_handler(?MODULE, self()), Rep1 = [{tag1,"data1"},{tag2,data2},{tag3,3}], diff --git a/lib/kernel/test/file_SUITE.erl b/lib/kernel/test/file_SUITE.erl index 5f049c6f99..119e1f24bb 100644 --- a/lib/kernel/test/file_SUITE.erl +++ b/lib/kernel/test/file_SUITE.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. @@ -18,7 +18,7 @@ %% %CopyrightEnd% %% -%% This is a developement feature when developing a new file module, +%% This is a development feature when developing a new file module, %% ugly but practical. -ifndef(FILE_MODULE). -define(FILE_MODULE, file). @@ -493,22 +493,13 @@ read_write_file(Config) when is_list(Config) -> %% Try writing and reading back some term SomeTerm = {"This term",{will,be},[written,$t,$o],1,file,[]}, - ok = ?FILE_MODULE:write_file(Name,term_to_binary(SomeTerm)), - {ok,Bin1} = ?FILE_MODULE:read_file(Name), - SomeTerm = binary_to_term(Bin1), + Bin1 = term_to_binary(SomeTerm), + ok = do_read_write_file(Name, Bin1), %% Try a "null" term NullTerm = [], - ok = ?FILE_MODULE:write_file(Name,term_to_binary(NullTerm)), - {ok,Bin2} = ?FILE_MODULE:read_file(Name), - NullTerm = binary_to_term(Bin2), - - %% Try some "complicated" types - BigNum = 123456789012345678901234567890, - ComplTerm = {self(),make_ref(),BigNum,3.14159}, - ok = ?FILE_MODULE:write_file(Name,term_to_binary(ComplTerm)), - {ok,Bin3} = ?FILE_MODULE:read_file(Name), - ComplTerm = binary_to_term(Bin3), + Bin2 = term_to_binary(NullTerm), + ok = do_read_write_file(Name, Bin2), %% Try reading a nonexistent file Name2 = filename:join(RootDir, @@ -519,25 +510,42 @@ read_write_file(Config) when is_list(Config) -> {error, enoent} = ?FILE_MODULE:read_file(''), %% Try writing to a bad filename - {error, enoent} = - ?FILE_MODULE:write_file("",term_to_binary(NullTerm)), + {error, enoent} = do_read_write_file("", Bin2), %% Try writing something else than a binary - {error, badarg} = ?FILE_MODULE:write_file(Name,{1,2,3}), - {error, badarg} = ?FILE_MODULE:write_file(Name,self()), + {error, badarg} = do_read_write_file(Name, {1,2,3}), + {error, badarg} = do_read_write_file(Name, self()), %% Some non-term binaries - ok = ?FILE_MODULE:write_file(Name,[]), - {ok,Bin4} = ?FILE_MODULE:read_file(Name), - 0 = byte_size(Bin4), + ok = do_read_write_file(Name, []), - ok = ?FILE_MODULE:write_file(Name,[Bin1,[],[[Bin2]]]), - {ok,Bin5} = ?FILE_MODULE:read_file(Name), - {Bin1,Bin2} = split_binary(Bin5,byte_size(Bin1)), + %% Write some iolists + ok = do_read_write_file(Name, [Bin1,[],[[Bin2]]]), + ok = do_read_write_file(Name, ["string",<<"binary">>]), + ok = do_read_write_file(Name, "pure string"), [] = flush(), ok. +do_read_write_file(Name, Data) -> + case ?FILE_MODULE:write_file(Name, Data) of + ok -> + BinData = iolist_to_binary(Data), + {ok,BinData} = ?FILE_MODULE:read_file(Name), + + ok = ?FILE_MODULE:write_file(Name, Data, []), + {ok,BinData} = ?FILE_MODULE:read_file(Name), + + ok = ?FILE_MODULE:write_file(Name, Data, [raw]), + {ok,BinData} = ?FILE_MODULE:read_file(Name), + + ok; + {error,_}=Res -> + Res = ?FILE_MODULE:write_file(Name, Data, []), + Res = ?FILE_MODULE:write_file(Name, Data, [raw]), + Res + end. + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% @@ -3730,7 +3738,7 @@ response_analysis(Module, Function, Arguments) -> {Result, Comment}. micro_ts() -> - erlang:monotonic_time(micro_seconds). + erlang:monotonic_time(microsecond). response_stat(init, Ts) -> {0, 0, Ts, 0, 0}; diff --git a/lib/kernel/test/file_SUITE_data/realmen.html b/lib/kernel/test/file_SUITE_data/realmen.html index c810a5d088..92e13f23b8 100644 --- a/lib/kernel/test/file_SUITE_data/realmen.html +++ b/lib/kernel/test/file_SUITE_data/realmen.html @@ -237,7 +237,7 @@ destroy most of the interesting uses for EQUIVALENCE, and make it impossible to modify the operating system code with negative subscripts. Worst of all, bounds checking is inefficient. -<LI> Source code maintainance systems. A Real Programmer keeps his +<LI> Source code maintenance systems. A Real Programmer keeps his code locked up in a card file, because it implies that its owner cannot leave his important programs unguarded [5]. @@ -396,7 +396,7 @@ double stuff Oreos for special occasions. <LI> Underneath the Oreos is a flow-charting template, left there by the previous occupant of the office. (Real Programmers write programs, -not documentation. Leave that to the maintainence people.) +not documentation. Leave that to the maintenance people.) </UL> <P> diff --git a/lib/kernel/test/file_name_SUITE.erl b/lib/kernel/test/file_name_SUITE.erl index 10b6b105d0..899102c908 100644 --- a/lib/kernel/test/file_name_SUITE.erl +++ b/lib/kernel/test/file_name_SUITE.erl @@ -2,7 +2,7 @@ %% %% %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. @@ -383,7 +383,7 @@ check_icky(Mod) -> ok end, - _ = make_icky_dir(Mod, treat_icky(<<"åäö_dir">>)), + _ = make_icky_dir(Mod, treat_icky(<<"åäö_dir"/utf8>>)), if UniMode and (OS =/= win32) -> {error,enoent} = Mod:set_cwd("åäö_dir"); diff --git a/lib/kernel/test/gen_sctp_SUITE.erl b/lib/kernel/test/gen_sctp_SUITE.erl index f836b2aa94..620ab235a0 100644 --- a/lib/kernel/test/gen_sctp_SUITE.erl +++ b/lib/kernel/test/gen_sctp_SUITE.erl @@ -117,7 +117,11 @@ xfer_min(Config) when is_list(Config) -> Stream = 0, Data = <<"The quick brown fox jumps over a lazy dog 0123456789">>, Loopback = {127,0,0,1}, + StatOpts = + [recv_avg,recv_cnt,recv_max,recv_oct, + send_avg,send_cnt,send_max,send_oct], {ok,Sb} = gen_sctp:open([{type,seqpacket}]), + {ok,SbStat1} = inet:getstat(Sb, StatOpts), {ok,Pb} = inet:port(Sb), ok = gen_sctp:listen(Sb, true), @@ -212,6 +216,8 @@ xfer_min(Config) when is_list(Config) -> assoc_id=SbAssocId}} = recv_event(log_ok(gen_sctp:recv(Sb, infinity))), ok = gen_sctp:close(Sa), + {ok,SbStat2} = inet:getstat(Sb, StatOpts), + [] = filter_stat_eq(SbStat1, SbStat2), ok = gen_sctp:close(Sb), receive @@ -220,6 +226,18 @@ xfer_min(Config) when is_list(Config) -> end, ok. +filter_stat_eq([], []) -> + []; +filter_stat_eq([{Tag,Val1}=Stat|SbStat1], [{Tag,Val2}|SbStat2]) -> + if + Val1 == Val2 -> + [Stat|filter_stat_eq(SbStat1, SbStat2)]; + true -> + filter_stat_eq(SbStat1, SbStat2) + end. + + + %% Minimal data transfer in active mode. xfer_active(Config) when is_list(Config) -> Timeout = 2000, @@ -383,26 +401,28 @@ def_sndrcvinfo(Config) when is_list(Config) -> assoc_id=S2AssocId} = S2AssocChange = log_ok(gen_sctp:connect(S2, Loopback, P1, [])), ?LOGVAR(S2AssocChange), - case recv_event(log_ok(gen_sctp:recv(S1))) of - {Loopback,P2, - #sctp_assoc_change{ - state=comm_up, - error=0, - assoc_id=S1AssocId}} -> - ?LOGVAR(S1AssocId); - {Loopback,P2, - #sctp_paddr_change{ - state=addr_confirmed, - error=0, - assoc_id=S1AssocId}} -> - ?LOGVAR(S1AssocId), + S1AssocId = + case recv_event(log_ok(gen_sctp:recv(S1))) of {Loopback,P2, #sctp_assoc_change{ state=comm_up, error=0, - assoc_id=S1AssocId}} = - recv_event(log_ok(gen_sctp:recv(S1))) - end, + assoc_id=AssocId}} -> + AssocId; + {Loopback,P2, + #sctp_paddr_change{ + state=addr_confirmed, + error=0, + assoc_id=AssocId}} -> + {Loopback,P2, + #sctp_assoc_change{ + state=comm_up, + error=0, + assoc_id=AssocId}} = + recv_event(log_ok(gen_sctp:recv(S1))), + AssocId + end, + ?LOGVAR(S1AssocId), #sctp_sndrcvinfo{ ppid=17, context=0, timetolive=0} = %, assoc_id=S1AssocId} = @@ -1055,6 +1075,7 @@ peeloff(Config, SockOpts) when is_list(Config) -> Addr = {127,0,0,1}, Stream = 0, Timeout = 333, + StartTime = timestamp(), S1 = socket_open([{ifaddr,Addr}|SockOpts], Timeout), ?LOGVAR(S1), P1 = socket_call(S1, get_port), @@ -1077,7 +1098,7 @@ peeloff(Config, SockOpts) when is_list(Config) -> state=comm_up, assoc_id=AssocId2}}} -> AssocId2 after Timeout -> - socket_bailout([S1,S2]) + socket_bailout([S1,S2], StartTime) end, ?LOGVAR(S2Ai), S1Ai = @@ -1087,7 +1108,7 @@ peeloff(Config, SockOpts) when is_list(Config) -> state=comm_up, assoc_id=AssocId1}}} -> AssocId1 after Timeout -> - socket_bailout([S1,S2]) + socket_bailout([S1,S2], StartTime) end, ?LOGVAR(S1Ai), %% @@ -1095,13 +1116,13 @@ peeloff(Config, SockOpts) when is_list(Config) -> receive {S1,{Addr,P2,S1Ai,Stream,<<"Number one">>}} -> ok after Timeout -> - socket_bailout([S1,S2]) + socket_bailout([S1,S2], StartTime) end, socket_call(S2, {send,Socket1,S1Ai,Stream,<<"Number two">>}), receive {S2,{Addr,P1,S2Ai,Stream,<<"Number two">>}} -> ok after Timeout -> - socket_bailout([S1,S2]) + socket_bailout([S1,S2], StartTime) end, %% S3 = socket_peeloff(Socket1, S1Ai, SockOpts, Timeout), @@ -1120,31 +1141,31 @@ peeloff(Config, SockOpts) when is_list(Config) -> receive {S2,{Addr,P3,S2Ai,Stream,<<"Number three">>}} -> ok after Timeout -> - socket_bailout([S1,S2,S3]) + socket_bailout([S1,S2,S3], StartTime) end, socket_call(S3, {send,Socket2,S2Ai,Stream,<<"Number four">>}), receive {S3,{Addr,P2,S3Ai,Stream,<<"Number four">>}} -> ok after Timeout -> - socket_bailout([S1,S2,S3]) + socket_bailout([S1,S2,S3], StartTime) end, %% inet:i(sctp), - socket_close_verbose(S1), - socket_close_verbose(S2), + socket_close_verbose(S1, StartTime), + socket_close_verbose(S2, StartTime), receive {S3,{Addr,P2,#sctp_shutdown_event{assoc_id=S3Ai_X}}} -> match_unless_solaris(S3Ai, S3Ai_X) after Timeout -> - socket_bailout([S3]) + socket_bailout([S3], StartTime) end, receive {S3,{Addr,P2,#sctp_assoc_change{state=shutdown_comp, assoc_id=S3Ai}}} -> ok after Timeout -> - socket_bailout([S3]) + socket_bailout([S3], StartTime) end, - socket_close_verbose(S3), + socket_close_verbose(S3, StartTime), [] = flush(), ok. @@ -1156,6 +1177,7 @@ buffers(Config) when is_list(Config) -> Addr = {127,0,0,1}, Stream = 1, Timeout = 3333, + StartTime = timestamp(), S1 = socket_open([{ip,Addr}], Timeout), ?LOGVAR(S1), P1 = socket_call(S1, get_port), @@ -1174,7 +1196,7 @@ buffers(Config) when is_list(Config) -> state=comm_up, assoc_id=AssocId2}}} -> AssocId2 after Timeout -> - socket_bailout([S1,S2]) + socket_bailout([S1,S2], StartTime) end, S1Ai = receive @@ -1183,7 +1205,7 @@ buffers(Config) when is_list(Config) -> state=comm_up, assoc_id=AssocId1}}} -> AssocId1 after Timeout -> - socket_bailout([S1,S2]) + socket_bailout([S1,S2], StartTime) end, %% socket_call(S1, {setopts,[{recbuf,Limit}]}), @@ -1197,22 +1219,22 @@ buffers(Config) when is_list(Config) -> receive {S1,{Addr,P2,S1Ai,Stream,Data}} -> ok after Timeout -> - socket_bailout([S1,S2]) + socket_bailout([S1,S2], StartTime) end, %% - socket_close_verbose(S1), + socket_close_verbose(S1, StartTime), receive {S2,{Addr,P1,#sctp_shutdown_event{assoc_id=S2Ai}}} -> ok after Timeout -> - socket_bailout([S2]) + socket_bailout([S2], StartTime) end, receive {S2,{Addr,P1,#sctp_assoc_change{state=shutdown_comp, assoc_id=S2Ai}}} -> ok after Timeout -> - socket_bailout([S2]) + socket_bailout([S2], StartTime) end, - socket_close_verbose(S2), + socket_close_verbose(S2, StartTime), [] = flush(), ok. @@ -1521,8 +1543,8 @@ socket_peeloff(Socket, AssocId, SocketOpts, Timeout) -> end, s_start(Starter, Timeout). -socket_close_verbose(S) -> - History = socket_history(socket_close(S)), +socket_close_verbose(S, StartTime) -> + History = socket_history(socket_close(S), StartTime), io:format("socket_close ~p:~n ~p.~n", [S,History]), History. @@ -1535,19 +1557,19 @@ socket_call(S, Request) -> %% socket_get(S, Key) -> %% s_req(S, {get,Key}). -socket_bailout([S|Ss]) -> - History = socket_history(socket_close(S)), +socket_bailout([S|Ss], StartTime) -> + History = socket_history(socket_close(S), StartTime), io:format("bailout ~p:~n ~p.~n", [S,History]), - socket_bailout(Ss); -socket_bailout([]) -> + socket_bailout(Ss, StartTime); +socket_bailout([], _) -> io:format("flush: ~p.~n", [flush()]), ct:fail(socket_bailout). -socket_history({State,Flush}) -> +socket_history({State,Flush}, StartTime) -> {lists:keysort( 2, lists:flatten( - [[{Key,Val} || Val <- Vals] + [[{Key,{TS-StartTime,Val}} || {TS,Val} <- Vals] || {Key,Vals} <- gb_trees:to_list(State)])), Flush}. @@ -1610,14 +1632,12 @@ s_loop(Socket, Timeout, Parent, Handler, State) -> {Parent,Ref,exit} -> ok = gen_sctp:close(Socket), Key = exit, - Val = {now(),Socket}, - NewState = gb_push(Key, Val, State), + NewState = gb_push(Key, Socket, State), Parent ! {self(),Ref,{NewState,flush()}}; {Parent,Ref,{Msg}} -> Result = Handler(Msg), Key = req, - Val = {now(),{Msg,Result}}, - NewState = gb_push(Key, Val, State), + NewState = gb_push(Key, {Msg,Result}, State), Parent ! {self(),Ref,Result}, s_loop(Socket, Timeout, Parent, Handler, NewState); %% {Parent,Ref,{get,Key}} -> @@ -1627,16 +1647,15 @@ s_loop(Socket, Timeout, Parent, Handler, State) -> {[#sctp_sndrcvinfo{stream=Stream,assoc_id=AssocId}=SRI],Data}} when not is_tuple(Data) -> case gb_get({assoc_change,AssocId}, State) of - [{_,{Addr,Port, - #sctp_assoc_change{ - state=comm_up, - inbound_streams=Is}}}|_] + [{Addr,Port, + #sctp_assoc_change{ + state=comm_up, + inbound_streams=Is}}|_] when 0 =< Stream, Stream < Is-> ok; [] -> ok end, Key = {msg,AssocId,Stream}, - Val = {now(),{Addr,Port,SRI,Data}}, - NewState = gb_push(Key, Val, State), + NewState = gb_push(Key, {Addr,Port,SRI,Data}, State), Parent ! {self(),{Addr,Port,AssocId,Stream,Data}}, again(Socket), s_loop(Socket, Timeout, Parent, Handler, NewState); @@ -1647,13 +1666,12 @@ s_loop(Socket, Timeout, Parent, Handler, State) -> [] -> ok end, Key = {assoc_change,AssocId}, - Val = {now(),{Addr,Port,SAC}}, case {gb_get(Key, State),St} of {[],_} -> ok; - {[{_,{Addr,Port,#sctp_assoc_change{state=comm_up}}}|_],_} + {[{Addr,Port,#sctp_assoc_change{state=comm_up}}|_],_} when St =:= comm_lost; St =:= shutdown_comp -> ok end, - NewState = gb_push(Key, Val, State), + NewState = gb_push(Key, {Addr,Port,SAC}, State), Parent ! {self(),{Addr,Port,SAC}}, again(Socket), s_loop(Socket, Timeout, Parent, Handler, NewState); @@ -1667,14 +1685,13 @@ s_loop(Socket, Timeout, Parent, Handler, State) -> [] -> ok end, case {gb_get({assoc_change,AssocId}, State),St} of - {[{_,{Addr,Port,#sctp_assoc_change{state=comm_up}}}|_],_} + {[{Addr,Port,#sctp_assoc_change{state=comm_up}}|_],_} when St =:= addr_available; St =:= addr_confirmed -> ok; {[],addr_confirmed} -> ok end, Key = {paddr_change,AssocId}, - Val = {now(),{Addr,Port,SPC}}, - NewState = gb_push(Key, Val, State), + NewState = gb_push(Key, {Addr,Port,SPC}, State), again(Socket), s_loop(Socket, Timeout, Parent, Handler, NewState); {sctp,Socket,Addr,Port, @@ -1684,12 +1701,11 @@ s_loop(Socket, Timeout, Parent, Handler, State) -> [] -> ok end, case gb_get({assoc_change,AssocId}, State) of - [{_,{Addr,Port,#sctp_assoc_change{state=comm_up}}}|_] -> ok; + [{Addr,Port,#sctp_assoc_change{state=comm_up}}|_] -> ok; [] -> ok end, Key = {shutdown_event,AssocId}, - Val = {now(),{Addr,Port}}, - NewState = gb_push(Key, Val, State), + NewState = gb_push(Key, {Addr,Port}, State), Parent ! {self(), {Addr,Port,SSE}}, again(Socket), s_loop(Socket, Timeout, Parent, Handler, NewState); @@ -1707,11 +1723,12 @@ again(Socket) -> end. gb_push(Key, Val, GBT) -> + TS = timestamp(), case gb_trees:lookup(Key, GBT) of none -> - gb_trees:insert(Key, [Val], GBT); + gb_trees:insert(Key, [{TS,Val}], GBT); {value,V} -> - gb_trees:update(Key, [Val|V], GBT) + gb_trees:update(Key, [{TS,Val}|V], GBT) end. gb_get(Key, GBT) -> @@ -1719,7 +1736,7 @@ gb_get(Key, GBT) -> none -> []; {value,V} -> - V + [Val || {_TS,Val} <- V] end. match_unless_solaris(A, B) -> @@ -1727,3 +1744,6 @@ match_unless_solaris(A, B) -> {unix,sunos} -> B; _ -> A = B end. + +timestamp() -> + erlang:monotonic_time(). diff --git a/lib/kernel/test/gen_tcp_api_SUITE.erl b/lib/kernel/test/gen_tcp_api_SUITE.erl index 77ec89b4f4..12d22519ce 100644 --- a/lib/kernel/test/gen_tcp_api_SUITE.erl +++ b/lib/kernel/test/gen_tcp_api_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1998-2016. All Rights Reserved. +%% Copyright Ericsson AB 1998-2017. 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. @@ -38,7 +38,7 @@ t_local_basic/1, t_local_unbound/1, t_local_fdopen/1, t_local_fdopen_listen/1, t_local_fdopen_listen_unbound/1, t_local_fdopen_connect/1, t_local_fdopen_connect_unbound/1, - t_local_abstract/1]). + t_local_abstract/1, t_accept_inet6_tclass/1]). -export([getsockfd/0,closesockfd/1]). @@ -50,6 +50,7 @@ all() -> [{group, t_accept}, {group, t_connect}, {group, t_recv}, t_shutdown_write, t_shutdown_both, t_shutdown_error, t_shutdown_async, t_fdopen, t_fdconnect, t_implicit_inet6, + t_accept_inet6_tclass, {group, t_local}]. groups() -> @@ -301,9 +302,9 @@ t_implicit_inet6(Config) when is_list(Config) -> end. t_implicit_inet6(Host, Addr) -> - case gen_tcp:listen(0, [inet6]) of + Loopback = {0,0,0,0,0,0,0,1}, + case gen_tcp:listen(0, [inet6, {ip,Loopback}]) of {ok,S1} -> - Loopback = {0,0,0,0,0,0,0,1}, io:format("~s ~p~n", ["::1",Loopback]), implicit_inet6(S1, Loopback), ok = gen_tcp:close(S1), @@ -521,6 +522,24 @@ local_handshake(S, SAddr, C, CAddr) -> SData = ok(gen_tcp:recv(C, length(SData))), ok. +t_accept_inet6_tclass(Config) when is_list(Config) -> + TClassOpt = {tclass,8#56 bsl 2}, % Expedited forwarding + Loopback = {0,0,0,0,0,0,0,1}, + case gen_tcp:listen(0, [inet6, {ip, Loopback}, TClassOpt]) of + {ok,L} -> + LPort = ok(inet:port(L)), + Sa = ok(gen_tcp:connect(Loopback, LPort, [])), + Sb = ok(gen_tcp:accept(L)), + [TClassOpt] = ok(inet:getopts(Sb, [tclass])), + ok = gen_tcp:close(Sb), + ok = gen_tcp:close(Sa), + ok = gen_tcp:close(L), + ok; + {error,_} -> + {skip,"IPv6 TCLASS not supported"} + end. + + %%% Utilities %% Calls M:F/length(A), which should return a timeout error, and complete diff --git a/lib/kernel/test/gen_tcp_api_SUITE_data/gen_tcp_api_SUITE.c b/lib/kernel/test/gen_tcp_api_SUITE_data/gen_tcp_api_SUITE.c index 2990ddda41..b91dca61d4 100644 --- a/lib/kernel/test/gen_tcp_api_SUITE_data/gen_tcp_api_SUITE.c +++ b/lib/kernel/test/gen_tcp_api_SUITE_data/gen_tcp_api_SUITE.c @@ -17,7 +17,7 @@ * * %CopyrightEnd% */ -#include "erl_nif.h" +#include <erl_nif.h> #include <stdio.h> #include <string.h> diff --git a/lib/kernel/test/gen_tcp_misc_SUITE.erl b/lib/kernel/test/gen_tcp_misc_SUITE.erl index 6b64c83fc2..929f66d400 100644 --- a/lib/kernel/test/gen_tcp_misc_SUITE.erl +++ b/lib/kernel/test/gen_tcp_misc_SUITE.erl @@ -1914,7 +1914,7 @@ so_priority(Config) when is_list(Config) -> %% Accept test utilities (suites are below) millis() -> - erlang:monotonic_time(milli_seconds). + erlang:monotonic_time(millisecond). collect_accepts(0,_) -> []; collect_accepts(N,Tmo) -> diff --git a/lib/kernel/test/gen_udp_SUITE.erl b/lib/kernel/test/gen_udp_SUITE.erl index 1029d7ef0a..aa616d43d6 100644 --- a/lib/kernel/test/gen_udp_SUITE.erl +++ b/lib/kernel/test/gen_udp_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1998-2016. All Rights Reserved. +%% Copyright Ericsson AB 1998-2017. 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. @@ -717,9 +717,9 @@ implicit_inet6(Config) when is_list(Config) -> implicit_inet6(Host, Addr) -> Active = {active,false}, - case gen_udp:open(0, [inet6,Active]) of + Loopback = {0,0,0,0,0,0,0,1}, + case gen_udp:open(0, [inet6,Active,{ip, Loopback}]) of {ok,S1} -> - Loopback = {0,0,0,0,0,0,0,1}, io:format("~s ~p~n", ["::1",Loopback]), implicit_inet6(S1, Active, Loopback), ok = gen_udp:close(S1), diff --git a/lib/kernel/test/inet_SUITE.erl b/lib/kernel/test/inet_SUITE.erl index f60c13d2e3..3b502be8b8 100644 --- a/lib/kernel/test/inet_SUITE.erl +++ b/lib/kernel/test/inet_SUITE.erl @@ -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. @@ -40,7 +40,8 @@ lookup_bad_search_option/1, getif/1, getif_ifr_name_overflow/1,getservbyname_overflow/1, getifaddrs/1, - parse_strict_address/1, simple_netns/1, simple_netns_open/1]). + parse_strict_address/1, simple_netns/1, simple_netns_open/1, + simple_bind_to_device/1, simple_bind_to_device_open/1]). -export([get_hosts/1, get_ipv6_hosts/1, parse_hosts/1, parse_address/1, kill_gethost/0, parallell_gethost/0, test_netns/0]). @@ -58,7 +59,8 @@ all() -> gethostnative_debug_level, gethostnative_soft_restart, lookup_bad_search_option, getif, getif_ifr_name_overflow, getservbyname_overflow, - getifaddrs, parse_strict_address, simple_netns, simple_netns_open]. + getifaddrs, parse_strict_address, simple_netns, simple_netns_open, + simple_bind_to_device, simple_bind_to_device_open]. groups() -> [{parse, [], [parse_hosts, parse_address]}]. @@ -445,91 +447,125 @@ parse_hosts(Config) when is_list(Config) -> inet_parse:resolv(ResolvErr1). parse_address(Config) when is_list(Config) -> - V4Strict = + V4Reversable = [{{0,0,0,0},"0.0.0.0"}, - {{1,2,3,4},"1.2.3.4"}, + {{1,2,3,4},"1.2.3.4"}, {{253,252,251,250},"253.252.251.250"}, {{1,2,255,254},"1.2.255.254"}], - V6Strict = + V6Reversable = [{{0,0,0,0,0,0,0,0},"::"}, + {{0,0,0,0,0,0,0,1},"::1"}, + {{0,0,0,0,0,0,0,2},"::0.0.0.2"}, {{15,0,0,0,0,0,0,2},"f::2"}, - {{15,16#f11,0,0,0,0,256,2},"f:f11::0100:2"}, - {{0,0,0,0,0,0,0,16#17},"::17"}, - {{16#700,0,0,0,0,0,0,0},"0700::"}, - {{0,0,0,0,0,0,2,1},"::2:1"}, + {{15,16#f11,0,0,0,0,256,2},"f:f11::100:2"}, + {{16#700,0,0,0,0,0,0,0},"700::"}, + {{0,0,0,0,0,0,2,1},"::0.2.0.1"}, {{0,0,0,0,0,3,2,1},"::3:2:1"}, {{0,0,0,0,4,3,2,1},"::4:3:2:1"}, {{0,0,0,5,4,3,2,1},"::5:4:3:2:1"}, {{0,0,6,5,4,3,2,1},"::6:5:4:3:2:1"}, - {{0,7,6,5,4,3,2,1},"::7:6:5:4:3:2:1"}, + {{0,7,6,5,4,3,2,1},"0:7:6:5:4:3:2:1"}, {{7,0,0,0,0,0,0,0},"7::"}, {{7,6,0,0,0,0,0,0},"7:6::"}, {{7,6,5,0,0,0,0,0},"7:6:5::"}, {{7,6,5,4,0,0,0,0},"7:6:5:4::"}, {{7,6,5,4,3,0,0,0},"7:6:5:4:3::"}, {{7,6,5,4,3,2,0,0},"7:6:5:4:3:2::"}, - {{7,6,5,4,3,2,1,0},"7:6:5:4:3:2:1::"}, + {{7,6,5,4,3,2,1,0},"7:6:5:4:3:2:1:0"}, + {{0,0,6,5,4,3,0,0},"::6:5:4:3:0:0"}, + {{0,0,6,5,4,0,0,0},"0:0:6:5:4::"}, + {{8,0,0,5,4,0,0,1},"8::5:4:0:0:1"}, + {{8,0,0,5,0,0,0,1},"8:0:0:5::1"}, + {{0,7,6,5,4,3,2,0},"0:7:6:5:4:3:2:0"}, + {{0,0,6,5,4,3,0,0},"::6:5:4:3:0:0"}, + {{0,0,0,5,4,0,0,0},"::5:4:0:0:0"}, + {{0,0,0,0,4,0,0,0},"::4:0:0:0"}, + {{0,0,0,5,0,0,0,0},"0:0:0:5::"}, {{16#c11,16#c22,16#5c33,16#c440,16#55c0,16#c66c,16#77,16#88}, - "c11:0c22:5c33:c440:55c0:c66c:77:0088"}, + "c11:c22:5c33:c440:55c0:c66c:77:88"}, + {{0,16#c22,16#5c33,16#c440,16#55c0,16#c66c,16#77,16#88}, + "0:c22:5c33:c440:55c0:c66c:77:88"}, {{16#c11,0,16#5c33,16#c440,16#55c0,16#c66c,16#77,16#88}, - "c11::5c33:c440:55c0:c66c:77:0088"}, + "c11:0:5c33:c440:55c0:c66c:77:88"}, {{16#c11,16#c22,0,16#c440,16#55c0,16#c66c,16#77,16#88}, - "c11:0c22::c440:55c0:c66c:77:0088"}, + "c11:c22:0:c440:55c0:c66c:77:88"}, {{16#c11,16#c22,16#5c33,0,16#55c0,16#c66c,16#77,16#88}, - "c11:0c22:5c33::55c0:c66c:77:0088"}, + "c11:c22:5c33:0:55c0:c66c:77:88"}, {{16#c11,16#c22,16#5c33,16#c440,0,16#c66c,16#77,16#88}, - "c11:0c22:5c33:c440::c66c:77:0088"}, + "c11:c22:5c33:c440:0:c66c:77:88"}, {{16#c11,16#c22,16#5c33,16#c440,16#55c0,0,16#77,16#88}, - "c11:0c22:5c33:c440:55c0::77:0088"}, + "c11:c22:5c33:c440:55c0:0:77:88"}, {{16#c11,16#c22,16#5c33,16#c440,16#55c0,16#c66c,0,16#88}, - "c11:0c22:5c33:c440:55c0:c66c::0088"}, + "c11:c22:5c33:c440:55c0:c66c:0:88"}, + {{16#c11,16#c22,16#5c33,16#c440,16#55c0,16#c66c,16#77,0}, + "c11:c22:5c33:c440:55c0:c66c:77:0"}, + {{0,0,16#5c33,16#c440,16#55c0,16#c66c,16#77,16#88}, + "::5c33:c440:55c0:c66c:77:88"}, {{16#c11,0,0,16#c440,16#55c0,16#c66c,16#77,16#88}, - "c11::c440:55c0:c66c:77:0088"}, + "c11::c440:55c0:c66c:77:88"}, {{16#c11,16#c22,0,0,16#55c0,16#c66c,16#77,16#88}, - "c11:0c22::55c0:c66c:77:0088"}, + "c11:c22::55c0:c66c:77:88"}, {{16#c11,16#c22,16#5c33,0,0,16#c66c,16#77,16#88}, - "c11:0c22:5c33::c66c:77:0088"}, + "c11:c22:5c33::c66c:77:88"}, {{16#c11,16#c22,16#5c33,16#c440,0,0,16#77,16#88}, - "c11:0c22:5c33:c440::77:0088"}, + "c11:c22:5c33:c440::77:88"}, {{16#c11,16#c22,16#5c33,16#c440,16#55c0,0,0,16#88}, - "c11:0c22:5c33:c440:55c0::0088"}, + "c11:c22:5c33:c440:55c0::88"}, + {{16#c11,16#c22,16#5c33,16#c440,16#55c0,16#c66c,0,0}, + "c11:c22:5c33:c440:55c0:c66c::"}, + {{0,0,0,16#c440,16#55c0,16#c66c,16#77,16#88}, + "::c440:55c0:c66c:77:88"}, {{16#c11,0,0,0,16#55c0,16#c66c,16#77,16#88}, - "c11::55c0:c66c:77:0088"}, + "c11::55c0:c66c:77:88"}, {{16#c11,16#c22,0,0,0,16#c66c,16#77,16#88}, - "c11:0c22::c66c:77:0088"}, + "c11:c22::c66c:77:88"}, {{16#c11,16#c22,16#5c33,0,0,0,16#77,16#88}, - "c11:0c22:5c33::77:0088"}, + "c11:c22:5c33::77:88"}, {{16#c11,16#c22,16#5c33,16#c440,0,0,0,16#88}, - "c11:0c22:5c33:c440::0088"}, + "c11:c22:5c33:c440::88"}, + {{16#c11,16#c22,16#5c33,16#c440,16#55c0,0,0,0}, + "c11:c22:5c33:c440:55c0::"}, + {{0,0,0,0,16#55c0,16#c66c,16#77,16#88}, + "::55c0:c66c:77:88"}, {{16#c11,0,0,0,0,16#c66c,16#77,16#88}, - "c11::c66c:77:0088"}, + "c11::c66c:77:88"}, {{16#c11,16#c22,0,0,0,0,16#77,16#88}, - "c11:0c22::77:0088"}, + "c11:c22::77:88"}, {{16#c11,16#c22,16#5c33,0,0,0,0,16#88}, - "c11:0c22:5c33::0088"}, + "c11:c22:5c33::88"}, + {{16#c11,16#c22,16#5c33,16#c440,0,0,0,0}, + "c11:c22:5c33:c440::"}, + {{0,0,0,0,0,16#c66c,16#77,16#88}, + "::c66c:77:88"}, {{16#c11,0,0,0,0,0,16#77,16#88}, - "c11::77:0088"}, + "c11::77:88"}, {{16#c11,16#c22,0,0,0,0,0,16#88}, - "c11:0c22::0088"}, - {{0,0,0,0,0,65535,258,65534},"::FFFF:1.2.255.254"}, + "c11:c22::88"}, + {{16#c11,16#c22,16#5c33,0,0,0,0,0}, + "c11:c22:5c33::"}, + {{0,0,0,0,0,65535,258,65534},"::ffff:1.2.255.254"}, + {{16#fe80,12345,0,0,0,0,0,16#12},"fe80::12%012345"}, {{16#ffff,16#ffff,16#ffff,16#ffff,16#ffff,16#ffff,16#ffff,16#ffff}, "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"} - |[{{D2,0,0,0,0,P,(D1 bsl 8) bor D2,(D3 bsl 8) bor D4}, - erlang:integer_to_list(D2, 16)++"::"++Q++S} - || {{D1,D2,D3,D4},S} <- V4Strict, - {P,Q} <- [{0,""},{16#17,"17:"},{16#ff0,"0ff0:"}]]], + |[{list_to_tuple(P++[(D1 bsl 8) bor D2,(D3 bsl 8) bor D4]), + Q++S} + || {{D1,D2,D3,D4},S} <- + tl(V4Reversable), + {P,Q} <- + [{[0,0,0,0,0,16#ffff],"::ffff:"}, + {[0,0,0,0,0,0],"::"}]]], V4Sloppy = [{{10,1,16#98,16#76},"10.0x019876"}, {{8#12,1,8#130,8#321},"012.01.054321"}, - {{255,255,255,255},"255.255.255.0377"}, - {{255,255,255,255},"0Xff.000000000377.0x0000ff.255"}, - {{255,255,255,255},"255.255.65535"}, - {{255,255,255,255},"255.0xFF.0177777"}, - {{255,255,255,255},"255.16777215"}, - {{255,255,255,255},"00377.0XFFFFFF"}, - {{255,255,255,255},"4294967295"}, - {{255,255,255,255},"0xffffffff"}, - {{255,255,255,255},"00000000000037777777777"}, + {{252,253,254,255},"252.253.254.0377"}, + {{252,253,254,255},"0Xfc.000000000375.0x0000fe.255"}, + {{252,253,254,255},"252.253.65279"}, + {{252,253,254,255},"252.0xFD.0177377"}, + {{252,253,254,255},"252.16645887"}, + {{252,253,254,255},"00374.0XFDFEFF"}, + {{252,253,254,255},"4244504319"}, + {{252,253,254,255},"0xfcfdfeff"}, + {{252,253,254,255},"00000000000037477377377"}, {{16#12,16#34,16#56,16#78},"0x12345678"}, {{16#12,16#34,16#56,16#78},"0x12.0x345678"}, {{16#12,16#34,16#56,16#78},"0x12.0X34.0x5678"}, @@ -541,8 +577,14 @@ parse_address(Config) when is_list(Config) -> {{0,0,0,0},"0.00.0.0"}, {{0,0,0,0},"0.0.000000000000.0"}], V6Sloppy = - [{{0,0,0,0,0,65535,(D1 bsl 8) bor D2,(D3 bsl 8) bor D4},S} - || {{D1,D2,D3,D4},S} <- V4Strict++V4Sloppy], + [{{16#a,16#b,16#c,16#0,16#0,16#d,16#e,16#f},"A:B:C::d:e:f"}, + {{16#fe80,0,0,0,0,0,0,16#12},"fe80::12%XXXXXXX"}] + ++ + [{{P,0,0,0,0,D2,(D1 bsl 8) bor D2,(D3 bsl 8) bor D4}, + Q++erlang:integer_to_list(D2, 16)++":"++S} + || {{D1,D2,D3,D4},S} <- V4Reversable, + {P,Q} <- + [{16#2001,"2001::"},{16#177,"177::"},{16#ff0,"Ff0::"}]], V4Err = ["0.256.0.1", "1.2.3.4.5", @@ -586,28 +628,36 @@ parse_address(Config) when is_list(Config) -> "fec0::fFfF:127.0.0.1."], t_parse_address (parse_ipv6_address, - V6Strict++V6Sloppy++V6Err++V4Err), + false, + V6Reversable++V6Sloppy++V6Err++V4Err), t_parse_address (parse_ipv6strict_address, - V6Strict++V6Err++V4Err++[S || {_,S} <- V6Sloppy]), + true, + V6Reversable++V6Err++V4Err), t_parse_address (parse_ipv4_address, - V4Strict++V4Sloppy++V4Err++V6Err++[S || {_,S} <- V6Strict]), + false, + V4Reversable++V4Sloppy++V4Err++V6Err++[S || {_,S} <- V6Reversable]), t_parse_address (parse_ipv4strict_address, - V4Strict++V4Err++V6Err++[S || {_,S} <- V4Sloppy++V6Strict]). + true, + V4Reversable++V4Err++V6Err++[S || {_,S} <- V4Sloppy++V6Reversable]). -t_parse_address(Func, []) -> +t_parse_address(Func, _Reversable, []) -> io:format("~p done.~n", [Func]), ok; -t_parse_address(Func, [{Addr,String}|L]) -> +t_parse_address(Func, Reversable, [{Addr,String}|L]) -> io:format("~p = ~p.~n", [Addr,String]), {ok,Addr} = inet:Func(String), - t_parse_address(Func, L); -t_parse_address(Func, [String|L]) -> + case Reversable of + true ->String = inet:ntoa(Addr); + false -> ok + end, + t_parse_address(Func, Reversable, L); +t_parse_address(Func, Reversable, [String|L]) -> io:format("~p.~n", [String]), {error,einval} = inet:Func(String), - t_parse_address(Func, L). + t_parse_address(Func, Reversable, L). parse_strict_address(Config) when is_list(Config) -> {ok, {127,0,0,1}} = @@ -1247,3 +1297,67 @@ cmd(CmdString) -> io:put_chars(["# ",CmdString,io_lib:nl()]), io:put_chars([os:cmd(CmdString++" ; echo ' =>' $?")]), ok. + +-define(CAP_NET_RAW, 13). %% from /usr/include/linux/capability.h + +can_bind_to_device({unix, linux}, {Major, _, _}) + when Major > 2 -> + Status = os:cmd("cat /proc/self/status | grep CapEff"), + [_, CapEffStr] = string:tokens(Status, [$\n, $\t]), + CapEff = list_to_integer(CapEffStr, 16), + if CapEff band (1 bsl ?CAP_NET_RAW) =/= 0 -> + ok; + true -> + {skip,"insufficient capabilities, CAP_NET_RAW not granted"} + end; +can_bind_to_device(_OS, _Version) -> + {skip,"socket option bind_to_device not supported on this OS or version"}. + +simple_bind_to_device(Config) when is_list(Config) -> + case can_bind_to_device(os:type(), os:version()) of + ok -> + {ok,U} = gen_udp:open(0), + jog_bind_to_device_opt(U), + ok = gen_udp:close(U), + %% + {ok,L} = gen_tcp:listen(0, []), + jog_bind_to_device_opt(L), + ok = gen_tcp:close(L), + %% + case gen_sctp:open() of + {ok,S} -> + jog_bind_to_device_opt(S), + ok = gen_sctp:close(S); + {error,eprotonosupport} -> + ok + end; + Other -> + Other + end. + +%% Smoke test bind_to_device support. +simple_bind_to_device_open(Config) when is_list(Config) -> + case can_bind_to_device(os:type(), os:version()) of + ok -> + {ok,U} = gen_udp:open(0, [binary,{bind_to_device,<<"lo">>},inet]), + ok = gen_udp:close(U), + {ok,T} = gen_tcp:listen(0, [binary,{bind_to_device,<<"lo">>},inet]), + ok = gen_tcp:close(T), + + case gen_sctp:open(0, [binary,{bind_to_device,<<"lo">>},inet]) of + {ok,S} -> + ok = gen_sctp:close(S); + {error,eprotonosupport} -> + ok + end; + Other -> + Other + end. + +jog_bind_to_device_opt(S) -> + %% This is just jogging the option mechanics + ok = inet:setopts(S, [{bind_to_device,<<>>}]), + {ok,[{bind_to_device,<<>>}]} = inet:getopts(S, [bind_to_device]), + ok = inet:setopts(S, [{bind_to_device,<<"lo">>}]), + {ok,[{bind_to_device,<<"lo">>}]} = inet:getopts(S, [bind_to_device]), + ok. diff --git a/lib/kernel/test/inet_sockopt_SUITE.erl b/lib/kernel/test/inet_sockopt_SUITE.erl index 322b9f30fe..ada9c2689c 100644 --- a/lib/kernel/test/inet_sockopt_SUITE.erl +++ b/lib/kernel/test/inet_sockopt_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2007-2016. All Rights Reserved. +%% Copyright Ericsson AB 2007-2017. 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. @@ -620,7 +620,7 @@ ipv6_v6only_close(Module, Socket) -> %% Test using socket option ipv6_v6only for UDP. use_ipv6_v6only_udp(Config) when is_list(Config) -> - case gen_udp:open(0, [inet6,{ipv6_v6only,true}]) of + case gen_udp:open(0, [inet6,{ip,{0,0,0,0,0,0,0,1}}, {ipv6_v6only,true}]) of {ok,S6} -> case inet:getopts(S6, [ipv6_v6only]) of {ok,[{ipv6_v6only,true}]} -> diff --git a/lib/kernel/test/init_SUITE.erl b/lib/kernel/test/init_SUITE.erl index 1370e23195..2b59eb2bfe 100644 --- a/lib/kernel/test/init_SUITE.erl +++ b/lib/kernel/test/init_SUITE.erl @@ -27,7 +27,8 @@ -export([get_arguments/1, get_argument/1, boot_var/1, restart/1, many_restarts/0, many_restarts/1, get_plain_arguments/1, - reboot/1, stop_status/1, stop/1, get_status/1, script_id/1]). + reboot/1, stop_status/1, stop/1, get_status/1, script_id/1, + find_system_processes/0]). -export([boot1/1, boot2/1]). -export([init_per_testcase/2, end_per_testcase/2]). @@ -355,12 +356,16 @@ wait_for(N,Node,EHPid) -> restart(Config) when is_list(Config) -> Args = args(), + Pa = " -pa " ++ filename:dirname(code:which(?MODULE)), + %% Currently test_server:start_node cannot be used. The restarted %% node immediately halts due to the implementation of %% test_server:start_node. - {ok, Node} = loose_node:start(init_test, Args, ?DEFAULT_TIMEOUT_SEC), + {ok, Node} = loose_node:start(init_test, Args ++ Pa, ?DEFAULT_TIMEOUT_SEC), %% Ok, the node is up, now the real test test begins. erlang:monitor_node(Node, true), + SysProcs0 = rpc:call(Node, ?MODULE, find_system_processes, []), + [InitPid, PurgerPid, LitCollectorPid, DirtyCodePid] = SysProcs0, InitPid = rpc:call(Node, erlang, whereis, [init]), PurgerPid = rpc:call(Node, erlang, whereis, [erts_code_purger]), Procs = rpc:call(Node, erlang, processes, []), @@ -375,6 +380,9 @@ restart(Config) when is_list(Config) -> end, ok = wait_restart(30, Node), + SysProcs1 = rpc:call(Node, ?MODULE, find_system_processes, []), + [InitPid1, PurgerPid1, LitCollectorPid1, DirtyCodePid1] = SysProcs1, + %% Still the same init process! InitPid1 = rpc:call(Node, erlang, whereis, [init]), InitP = pid_to_list(InitPid), @@ -385,8 +393,24 @@ restart(Config) when is_list(Config) -> PurgerP = pid_to_list(PurgerPid), PurgerP = pid_to_list(PurgerPid1), + %% and same literal area collector process! + case LitCollectorPid of + undefined -> undefined = LitCollectorPid1; + _ -> + LitCollectorP = pid_to_list(LitCollectorPid), + LitCollectorP = pid_to_list(LitCollectorPid1) + end, + + %% and same dirty process code checker process! + case DirtyCodePid of + undefined -> undefined = DirtyCodePid1; + _ -> + DirtyCodeP = pid_to_list(DirtyCodePid), + DirtyCodeP = pid_to_list(DirtyCodePid1) + end, + NewProcs0 = rpc:call(Node, erlang, processes, []), - NewProcs = NewProcs0 -- [InitPid1, PurgerPid1], + NewProcs = NewProcs0 -- SysProcs1, case check_processes(NewProcs, MaxPid) of true -> ok; @@ -406,6 +430,37 @@ restart(Config) when is_list(Config) -> loose_node:stop(Node), ok. +-record(sys_procs, {init, + code_purger, + literal_collector, + dirty_proc_checker}). + +find_system_processes() -> + find_system_procs(processes(), #sys_procs{}). + +find_system_procs([], SysProcs) -> + [SysProcs#sys_procs.init, + SysProcs#sys_procs.code_purger, + SysProcs#sys_procs.literal_collector, + SysProcs#sys_procs.dirty_proc_checker]; +find_system_procs([P|Ps], SysProcs) -> + case process_info(P, initial_call) of + {initial_call,{otp_ring0,start,2}} -> + undefined = SysProcs#sys_procs.init, + find_system_procs(Ps, SysProcs#sys_procs{init = P}); + {initial_call,{erts_code_purger,start,0}} -> + undefined = SysProcs#sys_procs.code_purger, + find_system_procs(Ps, SysProcs#sys_procs{code_purger = P}); + {initial_call,{erts_literal_area_collector,start,0}} -> + undefined = SysProcs#sys_procs.literal_collector, + find_system_procs(Ps, SysProcs#sys_procs{literal_collector = P}); + {initial_call,{erts_dirty_process_code_checker,start,0}} -> + undefined = SysProcs#sys_procs.dirty_proc_checker, + find_system_procs(Ps, SysProcs#sys_procs{dirty_proc_checker = P}); + _ -> + find_system_procs(Ps, SysProcs) + end. + wait_restart(0, _Node) -> ct:fail(not_restarted); wait_restart(N, Node) -> diff --git a/lib/kernel/test/interactive_shell_SUITE.erl b/lib/kernel/test/interactive_shell_SUITE.erl index fc3706ba1e..298a364a91 100644 --- a/lib/kernel/test/interactive_shell_SUITE.erl +++ b/lib/kernel/test/interactive_shell_SUITE.erl @@ -711,7 +711,7 @@ toerl_loop(Port,Acc) -> end. millistamp() -> - erlang:monotonic_time(milli_seconds). + erlang:monotonic_time(millisecond). get_data_within(Port, X, Acc) when X =< 0 -> ?dbg({get_data_within, X, Acc, ?LINE}), diff --git a/lib/kernel/test/multi_load_SUITE.erl b/lib/kernel/test/multi_load_SUITE.erl index 369e25ac64..f3258ea520 100644 --- a/lib/kernel/test/multi_load_SUITE.erl +++ b/lib/kernel/test/multi_load_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1999-2016. All Rights Reserved. +%% Copyright Ericsson AB 1999-2017. 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. @@ -144,14 +144,14 @@ prep_magic([H|T]) -> prep_magic(Tuple) when is_tuple(Tuple) -> L = prep_magic(tuple_to_list(Tuple)), list_to_tuple(L); -prep_magic(Bin) when is_binary(Bin) -> - try erlang:has_prepared_code_on_load(Bin) of +prep_magic(Ref) when is_reference(Ref) -> + try erlang:has_prepared_code_on_load(Ref) of false -> - %% Create a different kind of magic binary. + %% Create a different kind of magic ref. ets:match_spec_compile([{'_',[true],['$_']}]) catch _:_ -> - Bin + Ref end; prep_magic(Other) -> Other. diff --git a/lib/kernel/test/os_SUITE.erl b/lib/kernel/test/os_SUITE.erl index 2a1e5016ec..53a9e168ef 100644 --- a/lib/kernel/test/os_SUITE.erl +++ b/lib/kernel/test/os_SUITE.erl @@ -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. @@ -24,7 +24,8 @@ init_per_testcase/2,end_per_testcase/2]). -export([space_in_cwd/1, quoting/1, cmd_unicode/1, space_in_name/1, bad_command/1, find_executable/1, unix_comment_in_command/1, deep_list_command/1, - large_output_command/1, perf_counter_api/1]). + large_output_command/1, background_command/0, background_command/1, + message_leak/1, close_stdin/0, close_stdin/1, perf_counter_api/1]). -include_lib("common_test/include/ct.hrl"). @@ -35,7 +36,8 @@ suite() -> all() -> [space_in_cwd, quoting, cmd_unicode, space_in_name, bad_command, find_executable, unix_comment_in_command, deep_list_command, - large_output_command, perf_counter_api]. + large_output_command, background_command, message_leak, + close_stdin, perf_counter_api]. groups() -> []. @@ -52,6 +54,14 @@ init_per_group(_GroupName, Config) -> end_per_group(_GroupName, Config) -> Config. +init_per_testcase(TC, Config) + when TC =:= background_command; TC =:= close_stdin -> + case os:type() of + {win32, _} -> + {skip,"Should not work on windows"}; + _ -> + Config + end; init_per_testcase(_TC,Config) -> Config. @@ -261,44 +271,86 @@ deep_list_command(Config) when is_list(Config) -> %% FYI: [$e, $c, "ho"] =:= io_lib:format("ec~s", ["ho"]) ok. -%% Test to take sure that the correct data is +%% Test to make sure that the correct data is %% received when doing large commands. large_output_command(Config) when is_list(Config) -> %% Maximum allowed on windows is 8192, so we test well below that AAA = lists:duplicate(7000, $a), comp(AAA,os:cmd("echo " ++ AAA)). +%% Test that it is possible on unix to start a background task using os:cmd. +background_command() -> + [{timetrap, {seconds, 5}}]. +background_command(_Config) -> + %% This testcase fails when the os:cmd takes + %% longer then the 5 second timeout + os:cmd("sleep 10&"). + +%% Test that message does not leak to the calling process +message_leak(_Config) -> + process_flag(trap_exit, true), + + os:cmd("echo hello"), + [] = receive_all(), + + case os:type() of + {unix, _} -> + os:cmd("for i in $(seq 1 100); do echo hello; done&"), + [] = receive_all(); + _ -> + ok % Cannot background on non-unix + end, + + process_flag(trap_exit, false). + +%% Test that os:cmd closes stdin of the program that is executed +close_stdin() -> + [{timetrap, {seconds, 5}}]. +close_stdin(Config) -> + DataDir = proplists:get_value(data_dir, Config), + Fds = filename:join(DataDir, "my_fds"), + + "-1" = os:cmd(Fds). + + %% Test that the os:perf_counter api works as expected perf_counter_api(_Config) -> true = is_integer(os:perf_counter()), true = os:perf_counter() > 0, - T1 = os:perf_counter(), + Conv = fun(T1, T2) -> + erlang:convert_time_unit(T2 - T1, perf_counter, nanosecond) + end, + + do_perf_counter_test([], Conv, 120000000, 80000000), + do_perf_counter_test([1000], fun(T1, T2) -> T2 - T1 end, 120, 80). + +do_perf_counter_test(CntArgs, Conv, Upper, Lower) -> + %% We run the test multiple times to try to get a somewhat + %% stable value... what does this test? That the + %% calculate_perf_counter_unit in sys_time.c works somewhat ok. + do_perf_counter_test(CntArgs, Conv, Upper, Lower, 10). + +do_perf_counter_test(CntArgs, _Conv, Upper, Lower, 0) -> + ct:fail("perf_counter_test ~p ~p ~p",[CntArgs, Upper, Lower]); +do_perf_counter_test(CntArgs, Conv, Upper, Lower, Iters) -> + + T1 = apply(os, perf_counter, CntArgs), timer:sleep(100), - T2 = os:perf_counter(), - TsDiff = erlang:convert_time_unit(T2 - T1, perf_counter, nano_seconds), - ct:pal("T1: ~p~n" + T2 = apply(os, perf_counter, CntArgs), + TsDiff = Conv(T1, T2), + ct:log("T1: ~p~n" "T2: ~p~n" "TsDiff: ~p~n", [T1,T2,TsDiff]), - %% We allow a 15% diff - true = TsDiff < 115000000, - true = TsDiff > 85000000, - - T1Ms = os:perf_counter(1000), - timer:sleep(100), - T2Ms = os:perf_counter(1000), - MsDiff = T2Ms - T1Ms, - ct:pal("T1Ms: ~p~n" - "T2Ms: ~p~n" - "MsDiff: ~p~n", - [T1Ms,T2Ms,MsDiff]), - - %% We allow a 15% diff - true = MsDiff < 115, - true = MsDiff > 85. + if + TsDiff < Upper, TsDiff > Lower -> + ok; + true -> + do_perf_counter_test(CntArgs, Conv, Upper, Lower, Iters-1) + end. %% Util functions diff --git a/lib/kernel/test/os_SUITE_data/Makefile.src b/lib/kernel/test/os_SUITE_data/Makefile.src index 912d0cbcb1..f83f781411 100644 --- a/lib/kernel/test/os_SUITE_data/Makefile.src +++ b/lib/kernel/test/os_SUITE_data/Makefile.src @@ -3,7 +3,7 @@ LD = @LD@ CFLAGS = @CFLAGS@ -I@erl_include@ @DEFS@ CROSSLDFLAGS = @CROSSLDFLAGS@ -PROGS = my_echo@exe@ +PROGS = my_echo@exe@ my_fds@exe@ all: $(PROGS) @@ -12,3 +12,9 @@ my_echo@exe@: my_echo@obj@ my_echo@obj@: my_echo.c $(CC) -c -o my_echo@obj@ $(CFLAGS) my_echo.c + +my_fds@exe@: my_fds@obj@ + $(LD) $(CROSSLDFLAGS) -o my_fds my_fds@obj@ @LIBS@ + +my_fds@obj@: my_fds.c + $(CC) -c -o my_fds@obj@ $(CFLAGS) my_fds.c diff --git a/lib/kernel/test/os_SUITE_data/my_fds.c b/lib/kernel/test/os_SUITE_data/my_fds.c new file mode 100644 index 0000000000..704a4d1e1d --- /dev/null +++ b/lib/kernel/test/os_SUITE_data/my_fds.c @@ -0,0 +1,9 @@ +#include <stdio.h> + +int +main(int argc, char** argv) +{ + char buff[1]; + int res = read(stdin, buff, 1); + printf("%d", res); +} diff --git a/lib/kernel/test/pdict_SUITE.erl b/lib/kernel/test/pdict_SUITE.erl index 638d99176e..d105952df9 100644 --- a/lib/kernel/test/pdict_SUITE.erl +++ b/lib/kernel/test/pdict_SUITE.erl @@ -32,10 +32,13 @@ -export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, init_per_group/2,end_per_group/2, mixed/1, + literals/1, simple/1, complicated/1, heavy/1, simple_all_keys/1, info/1]). -export([init_per_testcase/2, end_per_testcase/2]). -export([other_process/2]). +-export([put_do/2, get_do/1, erase_do/1]). + init_per_testcase(_Case, Config) -> Config. @@ -48,6 +51,7 @@ suite() -> all() -> [simple, complicated, heavy, simple_all_keys, info, + literals, mixed]. groups() -> @@ -418,3 +422,59 @@ do_mixed([GoalN | _]=Goals, CurrN, Array0, C, Rand0) -> Array2 = array:resize(CurrN-1, Array1), do_mixed(Goals, CurrN-1, Array2, C+1, Rand2) end. + +%% Test hash precalculation of literal keys +literals(_Config) -> + %% Put literal -> get variable + put(1742, "1742"), + "1742" = ?MODULE:get_do(1742), + "1742" = ?MODULE:erase_do(1742), + + put(-1742, "-1742"), + "-1742" = ?MODULE:get_do(-1742), + "-1742" = ?MODULE:erase_do(-1742), + + put([], "NIL"), + "NIL" = ?MODULE:get_do([]), + "NIL" = ?MODULE:erase_do([]), + + put(<<"binary">>, "binary"), + "binary" = ?MODULE:get_do(<<"binary">>), + "binary" = ?MODULE:erase_do(<<"binary">>), + + BigBin = <<"A large binary with a lot of bytes to make it go off heap as shared and reference counted">>, + put(BigBin, "bigbin"), + "bigbin" = ?MODULE:get_do(BigBin), + "bigbin" = ?MODULE:erase_do(BigBin), + + %% Put variable -> get literal + ?MODULE:put_do(4217, "4217"), + "4217" = get(4217), + "4217" = erase(4217), + + ?MODULE:put_do(-4217, "-4217"), + "-4217" = get(-4217), + "-4217" = erase(-4217), + + ?MODULE:put_do([], "NIL"), + "NIL" = get([]), + "NIL" = erase([]), + + ?MODULE:put_do(<<"bytes">>, "bytes"), + "bytes" = get(<<"bytes">>), + "bytes" = erase(<<"bytes">>), + + ?MODULE:put_do(BigBin, "BigBin"), + "BigBin" = get(BigBin), + "BigBin" = erase(BigBin), + + ok. + +put_do(K, V) -> + put(K, V). + +get_do(K) -> + get(K). + +erase_do(K) -> + erase(K). diff --git a/lib/kernel/test/pg2_SUITE.erl b/lib/kernel/test/pg2_SUITE.erl index fdc268cb5a..acecd34ead 100644 --- a/lib/kernel/test/pg2_SUITE.erl +++ b/lib/kernel/test/pg2_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2008-2016. All Rights Reserved. +%% Copyright Ericsson AB 2008-2017. 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. @@ -31,7 +31,7 @@ -export([ otp_7277/1, otp_8259/1, otp_8653/1, - compat/1, basic/1]). + basic/1]). -define(TESTCASE, testcase_name). -define(testcase, proplists:get_value(?TESTCASE, Config)). @@ -56,7 +56,7 @@ all() -> groups() -> [{tickets, [], - [otp_7277, otp_8259, otp_8653, compat, basic]}]. + [otp_7277, otp_8259, otp_8653, basic]}]. init_per_suite(Config) -> Config. @@ -218,29 +218,6 @@ loop() -> exit(normal) end. -%% OTP-8259. Check that 'exchange' and 'del_member' work. -compat(Config) when is_list(Config) -> - case test_server:is_release_available("r13b") of - true -> - Pid = spawn(forever()), - G = a, - ok = pg2:create(G), - ok = pg2:join(G, Pid), - ok = pg2:join(G, Pid), - {ok, A} = start_node_rel(r13, r13b, slave), - pong = net_adm:ping(A), - wait_for_ready_net(Config), - {ok, _} = rpc:call(A, pg2, start, []), - ?UNTIL([Pid,Pid] =:= rpc:call(A, pg2, get_members, [a])), - true = exit(Pid, kill), - ?UNTIL([] =:= pg2:get_members(a)), - ?UNTIL([] =:= rpc:call(A, pg2, get_members, [a])), - test_server:stop_node(A), - ok; - false -> - {skipped, "No support for old node"} - end. - %% OTP-8259. Some basic tests. basic(Config) when is_list(Config) -> _ = [pg2:delete(G) || G <- pg2:which_groups()], diff --git a/lib/kernel/test/prim_file_SUITE.erl b/lib/kernel/test/prim_file_SUITE.erl index 8be94f1e57..2f4330c217 100644 --- a/lib/kernel/test/prim_file_SUITE.erl +++ b/lib/kernel/test/prim_file_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2000-2016. All Rights Reserved. +%% Copyright Ericsson AB 2000-2017. 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. @@ -19,8 +19,8 @@ %% -module(prim_file_SUITE). -export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, - init_per_group/2,end_per_group/2, - read_write_file/1]). + init_per_group/2,end_per_group/2, init_per_testcase/2, end_per_testcase/2, + read_write_file/1, free_memory/0]). -export([cur_dir_0a/1, cur_dir_0b/1, cur_dir_1a/1, cur_dir_1b/1, make_del_dir_a/1, make_del_dir_b/1, @@ -115,6 +115,18 @@ groups() -> [make_link_a, make_link_b, read_link_info_for_non_link, symlinks_a, symlinks_b, list_dir_error]}]. +init_per_testcase(large_write, Config) -> + {ok, Started} = application:ensure_all_started(os_mon), + [{started, Started}|Config]; +init_per_testcase(_TestCase, Config) -> + Config. + +end_per_testcase(large_write, Config) -> + [application:stop(App) || App <- lists:reverse(proplists:get_value(started, Config))], + ok; +end_per_testcase(_, _Config) -> + ok. + init_per_group(_GroupName, Config) -> Config. @@ -2022,11 +2034,13 @@ run_large_file_test(Config, Run, Name) -> {{unix,sunos},OsVersion} when OsVersion < {5,5,1} -> {skip,"Only supported on Win32, Unix or SunOS >= 5.5.1"}; {{unix,_},_} -> - N = unix_free(proplists:get_value(priv_dir, Config)), - io:format("Free disk: ~w KByte~n", [N]), - if N < 5 bsl 20 -> + DiscFree = unix_free(proplists:get_value(priv_dir, Config)), + MemFree = free_memory(), + io:format("Free disk: ~w KByte~n", [DiscFree]), + io:format("Free mem: ~w MByte~n", [MemFree]), + if DiscFree < 5 bsl 20; MemFree < 5 bsl 10 -> %% Less than 5 GByte free - {skip,"Less than 5 GByte free disk"}; + {skip,"Less than 5 GByte free disk/mem"}; true -> do_run_large_file_test(Config, Run, Name) end; @@ -2079,6 +2093,27 @@ zip_data([], Bs) -> zip_data(As, []) -> As. +%% Stolen from emulator -> alloc_SUITE +free_memory() -> + %% Free memory in MB. + try + SMD = memsup:get_system_memory_data(), + {value, {free_memory, Free}} = lists:keysearch(free_memory, 1, SMD), + TotFree = (Free + + case lists:keysearch(cached_memory, 1, SMD) of + {value, {cached_memory, Cached}} -> Cached; + false -> 0 + end + + case lists:keysearch(buffered_memory, 1, SMD) of + {value, {buffered_memory, Buffed}} -> Buffed; + false -> 0 + end), + TotFree div (1024*1024) + catch + error : undef -> + ct:fail({"os_mon not built"}) + end. + %%%----------------------------------------------------------------- %%% Utilities rm_rf(Mod,Dir) -> diff --git a/lib/kernel/test/rpc_SUITE.erl b/lib/kernel/test/rpc_SUITE.erl index 1c72ddc87f..a89a7600a2 100644 --- a/lib/kernel/test/rpc_SUITE.erl +++ b/lib/kernel/test/rpc_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2000-2016. All Rights Reserved. +%% Copyright Ericsson AB 2000-2017. 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. @@ -21,7 +21,8 @@ -export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, init_per_group/2,end_per_group/2]). --export([call/1, block_call/1, multicall/1, multicall_timeout/1, +-export([off_heap/1, + call/1, block_call/1, multicall/1, multicall_timeout/1, multicall_dies/1, multicall_node_dies/1, called_dies/1, called_node_dies/1, called_throws/1, call_benchmark/1, async_call/1]). @@ -35,7 +36,7 @@ suite() -> {timetrap,{minutes,2}}]. all() -> - [call, block_call, multicall, multicall_timeout, + [off_heap, call, block_call, multicall, multicall_timeout, multicall_dies, multicall_node_dies, called_dies, called_node_dies, called_throws, call_benchmark, async_call]. @@ -55,6 +56,13 @@ init_per_group(_GroupName, Config) -> end_per_group(_GroupName, Config) -> Config. +off_heap(_Config) -> + %% The rex server process may receive a huge amount of + %% messages. Make sure that they are stored off heap to + %% avoid exessive GCs. + MQD = message_queue_data, + {MQD,off_heap} = process_info(whereis(rex), MQD), + ok. %% Test different rpc calls. diff --git a/lib/kernel/test/sendfile_SUITE.erl b/lib/kernel/test/sendfile_SUITE.erl index 2673c38494..bfa564c32c 100644 --- a/lib/kernel/test/sendfile_SUITE.erl +++ b/lib/kernel/test/sendfile_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2011-2016. All Rights Reserved. +%% Copyright Ericsson AB 2011-2017. 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. @@ -100,13 +100,13 @@ init_per_testcase(TC,Config) when TC == t_sendfile_recvduring; %% Check if sendfile is supported on this platform case catch sendfile_send(Send) of ok -> - Config; + init_per_testcase(t_sendfile, Config); Error -> ct:log("Error: ~p",[Error]), {skip,"Not supported"} end; init_per_testcase(_Tc,Config) -> - Config. + Config ++ [{sendfile_opts,[{use_threads,false}]}]. t_sendfile_small(Config) when is_list(Config) -> diff --git a/lib/kernel/test/zlib_SUITE.erl b/lib/kernel/test/zlib_SUITE.erl index f8257bd20c..4b67fce9a8 100644 --- a/lib/kernel/test/zlib_SUITE.erl +++ b/lib/kernel/test/zlib_SUITE.erl @@ -83,7 +83,7 @@ groups() -> [api_open_close, api_deflateInit, api_deflateSetDictionary, api_deflateReset, api_deflateParams, api_deflate, api_deflateEnd, - api_inflateInit, api_inflateSetDictionary, + api_inflateInit, api_inflateSetDictionary, api_inflateGetDictionary, api_inflateSync, api_inflateReset, api_inflate, api_inflateChunk, api_inflateEnd, api_setBufsz, api_getBufsz, api_crc32, api_adler32, api_getQSize, api_un_compress, api_un_zip, @@ -288,6 +288,42 @@ api_inflateSetDictionary(Config) when is_list(Config) -> ?m({'EXIT',{stream_error,_}}, zlib:inflateSetDictionary(Z1,Dict)), ?m(ok, zlib:close(Z1)). +%% Test inflateGetDictionary. +api_inflateGetDictionary(Config) when is_list(Config) -> + Z1 = zlib:open(), + IsOperationSupported = + case catch zlib:inflateGetDictionary(Z1) of + {'EXIT',{einval,_}} -> true; + {'EXIT',{enotsup,_}} -> false + end, + _ = zlib:close(Z1), + api_inflateGetDictionary_if_supported(IsOperationSupported). + +api_inflateGetDictionary_if_supported(false) -> + {skip, "inflateGetDictionary/1 unsupported in current setup"}; +api_inflateGetDictionary_if_supported(true) -> + % Compress payload using custom dictionary + Z1 = zlib:open(), + ?m(ok, zlib:deflateInit(Z1)), + Dict = <<"foobar barfoo foo bar far boo">>, + ?m(_, zlib:deflateSetDictionary(Z1, Dict)), + Payload = <<"foobarbarbar">>, + Compressed = zlib:deflate(Z1, Payload, finish), + ?m(ok, zlib:close(Z1)), + + % Decompress and test dictionary extraction + Z2 = zlib:open(), + ?m(ok, zlib:inflateInit(Z2)), + ?m(<<>>, iolist_to_binary(zlib:inflateGetDictionary(Z2))), + ?m({'EXIT',{stream_error,_}}, zlib:inflateSetDictionary(Z2, Dict)), + ?m({'EXIT',{{need_dictionary,_},_}}, zlib:inflate(Z2, Compressed)), + ?m(ok, zlib:inflateSetDictionary(Z2, Dict)), + ?m(Dict, iolist_to_binary(zlib:inflateGetDictionary(Z2))), + ?m(Payload, iolist_to_binary(zlib:inflate(Z2, Compressed))), + ?m(ok, zlib:close(Z2)), + ?m(?BARG, zlib:inflateSetDictionary(Z2, Dict)), + ok. + %% Test inflateSync. api_inflateSync(Config) when is_list(Config) -> {skip,"inflateSync/1 sucks"}. diff --git a/lib/kernel/vsn.mk b/lib/kernel/vsn.mk index e7d422d03c..4edecd8969 100644 --- a/lib/kernel/vsn.mk +++ b/lib/kernel/vsn.mk @@ -1 +1 @@ -KERNEL_VSN = 5.0 +KERNEL_VSN = 5.3 |