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authorSiri Hansen <[email protected]>2014-06-11 14:29:19 +0200
committerSiri Hansen <[email protected]>2014-06-11 14:29:19 +0200
commitda42410cb15c0749ea6cf9b6196b81320d8391b6 (patch)
tree829f5cdb59cf92cdaf381564fe51885644494650 /lib/stdlib/doc/src
parent5f2b70f205bc64be545b75db5419111aac11291d (diff)
parent154a057dcbf087deb38b13e97f0a0373e6a72f1d (diff)
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Merge branch 'siri/sync-stop-gen/OTP-11173'
* siri/sync-stop-gen/OTP-11173: Add synchronous stop function to wx_object Fix minor bugs in gen_server and gen_fsm documentation Update gen_event:stop to be synchronous Add synchronous stop functions to gen_server and gen_fsm Add synchronous stop function to proc_lib Add system message 'terminate' Remove old code from stdlib/test/sys_sp2.erl
Diffstat (limited to 'lib/stdlib/doc/src')
-rw-r--r--lib/stdlib/doc/src/gen_event.xml35
-rw-r--r--lib/stdlib/doc/src/gen_fsm.xml44
-rw-r--r--lib/stdlib/doc/src/gen_server.xml39
-rw-r--r--lib/stdlib/doc/src/proc_lib.xml35
-rw-r--r--lib/stdlib/doc/src/sys.xml13
5 files changed, 152 insertions, 14 deletions
diff --git a/lib/stdlib/doc/src/gen_event.xml b/lib/stdlib/doc/src/gen_event.xml
index b9dfff833e..5c96d6e576 100644
--- a/lib/stdlib/doc/src/gen_event.xml
+++ b/lib/stdlib/doc/src/gen_event.xml
@@ -4,7 +4,7 @@
<erlref>
<header>
<copyright>
- <year>1996</year><year>2013</year>
+ <year>1996</year><year>2014</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -44,6 +44,7 @@
<pre>
gen_event module Callback module
---------------- ---------------
+gen_event:start
gen_event:start_link -----> -
gen_event:add_handler
@@ -177,7 +178,7 @@ gen_event:stop -----> Module:terminate/2
<name>add_handler(EventMgrRef, Handler, Args) -> Result</name>
<fsummary>Add an event handler to a generic event manager.</fsummary>
<type>
- <v>EventMgr = Name | {Name,Node} | {global,GlobalName}
+ <v>EventMgrRef = Name | {Name,Node} | {global,GlobalName}
| {via,Module,ViaName} | pid()</v>
<v>&nbsp;Name = Node = atom()</v>
<v>&nbsp;GlobalName = ViaName = term()</v>
@@ -223,7 +224,7 @@ gen_event:stop -----> Module:terminate/2
<name>add_sup_handler(EventMgrRef, Handler, Args) -> Result</name>
<fsummary>Add a supervised event handler to a generic event manager.</fsummary>
<type>
- <v>EventMgr = Name | {Name,Node} | {global,GlobalName}
+ <v>EventMgrRef = Name | {Name,Node} | {global,GlobalName}
| {via,Module,ViaName} | pid()</v>
<v>&nbsp;Name = Node = atom()</v>
<v>&nbsp;GlobalName = ViaName = term()</v>
@@ -456,19 +457,37 @@ gen_event:stop -----> Module:terminate/2
</func>
<func>
<name>stop(EventMgrRef) -> ok</name>
+ <name>stop(EventMgrRef, Reason, Timeout) -> ok</name>
<fsummary>Terminate a generic event manager.</fsummary>
<type>
<v>EventMgrRef = Name | {Name,Node} | {global,GlobalName}
| {via,Module,ViaName} | pid()</v>
<v>Name = Node = atom()</v>
<v>GlobalName = ViaName = term()</v>
+ <v>Reason = term()</v>
+ <v>Timeout = int()>0 | infinity</v>
</type>
<desc>
- <p>Terminates the event manager <c>EventMgrRef</c>. Before
- terminating, the event manager will call
- <c>Module:terminate(stop,...)</c> for each installed event
- handler.</p>
- <p>See <c>add_handler/3</c> for a description of the argument.</p>
+ <p>Orders the event manager <c>EventMgrRef</c> to exit with
+ the given <c>Reason</c> and waits for it to
+ terminate. Before terminating, the gen_event will call
+ <seealso marker="#Module:terminate/2">Module:terminate(stop,...)</seealso>
+ for each installed event handler.</p>
+ <p>The function returns <c>ok</c> if the event manager terminates
+ with the expected reason. Any other reason than <c>normal</c>,
+ <c>shutdown</c>, or <c>{shutdown,Term}</c> will cause an
+ error report to be issued using
+ <seealso marker="kernel:error_logger#format/2">error_logger:format/2</seealso>.
+ The default <c>Reason</c> is <c>normal</c>.</p>
+ <p><c>Timeout</c> is an integer greater than zero which
+ specifies how many milliseconds to wait for the event manager to
+ terminate, or the atom <c>infinity</c> to wait
+ indefinitely. The default value is <c>infinity</c>. If the
+ event manager has not terminated within the specified time, a
+ <c>timeout</c> exception is raised.</p>
+ <p>If the process does not exist, a <c>noproc</c> exception
+ is raised.</p>
+ <p>See <c>add_handler/3</c> for a description of <c>EventMgrRef</c>.</p>
</desc>
</func>
</funcs>
diff --git a/lib/stdlib/doc/src/gen_fsm.xml b/lib/stdlib/doc/src/gen_fsm.xml
index 848d57f3e6..b1bba3eff0 100644
--- a/lib/stdlib/doc/src/gen_fsm.xml
+++ b/lib/stdlib/doc/src/gen_fsm.xml
@@ -4,7 +4,7 @@
<erlref>
<header>
<copyright>
- <year>1996</year><year>2013</year>
+ <year>1996</year><year>2014</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -43,8 +43,11 @@
<pre>
gen_fsm module Callback module
-------------- ---------------
+gen_fsm:start
gen_fsm:start_link -----> Module:init/1
+gen_fsm:stop -----> Module:terminate/3
+
gen_fsm:send_event -----> Module:StateName/2
gen_fsm:send_all_state_event -----> Module:handle_event/3
@@ -187,6 +190,39 @@ gen_fsm:sync_send_all_state_event -----> Module:handle_sync_event/4
</desc>
</func>
<func>
+ <name>stop(FsmRef) -> ok</name>
+ <name>stop(FsmRef, Reason, Timeout) -> ok</name>
+ <fsummary>Synchronously stop a generic FSM.</fsummary>
+ <type>
+ <v>FsmRef = Name | {Name,Node} | {global,GlobalName}
+ | {via,Module,ViaName} | pid()</v>
+ <v>&nbsp;Node = atom()</v>
+ <v>&nbsp;GlobalName = ViaName = term()</v>
+ <v>Reason = term()</v>
+ <v>Timeout = int()>0 | infinity</v>
+ </type>
+ <desc>
+ <p>Orders a generic FSM to exit with the given <c>Reason</c>
+ and waits for it to terminate. The gen_fsm will call
+ <seealso marker="#Module:terminate/3">Module:terminate/3</seealso>
+ before exiting.</p>
+ <p>The function returns <c>ok</c> if the generic FSM terminates
+ with the expected reason. Any other reason than <c>normal</c>,
+ <c>shutdown</c>, or <c>{shutdown,Term}</c> will cause an
+ error report to be issued using
+ <seealso marker="kernel:error_logger#format/2">error_logger:format/2</seealso>.
+ The default <c>Reason</c> is <c>normal</c>.</p>
+ <p><c>Timeout</c> is an integer greater than zero which
+ specifies how many milliseconds to wait for the generic FSM
+ to terminate, or the atom <c>infinity</c> to wait
+ indefinitely. The default value is <c>infinity</c>. If the
+ generic FSM has not terminated within the specified time, a
+ <c>timeout</c> exception is raised.</p>
+ <p>If the process does not exist, a <c>noproc</c> exception
+ is raised.</p>
+ </desc>
+ </func>
+ <func>
<name>send_event(FsmRef, Event) -> ok</name>
<fsummary>Send an event asynchronously to a generic FSM.</fsummary>
<type>
@@ -528,7 +564,8 @@ gen_fsm:sync_send_all_state_event -----> Module:handle_sync_event/4
<c>Module:init/1</c> for a description of <c>Timeout</c> and <c>hibernate</c>.</p>
<p>If the function returns <c>{stop,Reason,NewStateData}</c>,
the gen_fsm will call
- <c>Module:terminate(Reason,NewStateData)</c> and terminate.</p>
+ <c>Module:terminate(Reason,StateName,NewStateData)</c> and
+ terminate.</p>
</desc>
</func>
<func>
@@ -614,7 +651,8 @@ gen_fsm:sync_send_all_state_event -----> Module:handle_sync_event/4
<c>{stop,Reason,NewStateData}</c>, any reply to <c>From</c>
must be given explicitly using <c>gen_fsm:reply/2</c>.
The gen_fsm will then call
- <c>Module:terminate(Reason,NewStateData)</c> and terminate.</p>
+ <c>Module:terminate(Reason,StateName,NewStateData)</c> and
+ terminate.</p>
</desc>
</func>
<func>
diff --git a/lib/stdlib/doc/src/gen_server.xml b/lib/stdlib/doc/src/gen_server.xml
index 62c0394479..a915e567a5 100644
--- a/lib/stdlib/doc/src/gen_server.xml
+++ b/lib/stdlib/doc/src/gen_server.xml
@@ -4,7 +4,7 @@
<erlref>
<header>
<copyright>
- <year>1996</year><year>2013</year>
+ <year>1996</year><year>2014</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -43,8 +43,11 @@
<pre>
gen_server module Callback module
----------------- ---------------
+gen_server:start
gen_server:start_link -----> Module:init/1
+gen_server:stop -----> Module:terminate/2
+
gen_server:call
gen_server:multi_call -----> Module:handle_call/3
@@ -184,6 +187,40 @@ gen_server:abcast -----> Module:handle_cast/2
</desc>
</func>
<func>
+ <name>stop(ServerRef) -> ok</name>
+ <name>stop(ServerRef, Reason, Timeout) -> ok</name>
+ <fsummary>Synchronously stop a generic server.</fsummary>
+ <type>
+ <v>ServerRef = Name | {Name,Node} | {global,GlobalName}
+ | {via,Module,ViaName} | pid()</v>
+ <v>&nbsp;Node = atom()</v>
+ <v>&nbsp;GlobalName = ViaName = term()</v>
+ <v>Reason = term()</v>
+ <v>Timeout = int()>0 | infinity</v>
+ </type>
+ <desc>
+ <p>Orders a generic server to exit with the
+ given <c>Reason</c> and waits for it to terminate. The
+ gen_server will call
+ <seealso marker="#Module:terminate/2">Module:terminate/2</seealso>
+ before exiting.</p>
+ <p>The function returns <c>ok</c> if the server terminates
+ with the expected reason. Any other reason than <c>normal</c>,
+ <c>shutdown</c>, or <c>{shutdown,Term}</c> will cause an
+ error report to be issued using
+ <seealso marker="kernel:error_logger#format/2">error_logger:format/2</seealso>.
+ The default <c>Reason</c> is <c>normal</c>.</p>
+ <p><c>Timeout</c> is an integer greater than zero which
+ specifies how many milliseconds to wait for the server to
+ terminate, or the atom <c>infinity</c> to wait
+ indefinitely. The default value is <c>infinity</c>. If the
+ server has not terminated within the specified time, a
+ <c>timeout</c> exception is raised.</p>
+ <p>If the process does not exist, a <c>noproc</c> exception
+ is raised.</p>
+ </desc>
+ </func>
+ <func>
<name>call(ServerRef, Request) -> Reply</name>
<name>call(ServerRef, Request, Timeout) -> Reply</name>
<fsummary>Make a synchronous call to a generic server.</fsummary>
diff --git a/lib/stdlib/doc/src/proc_lib.xml b/lib/stdlib/doc/src/proc_lib.xml
index 5bf5744622..88630b1fdb 100644
--- a/lib/stdlib/doc/src/proc_lib.xml
+++ b/lib/stdlib/doc/src/proc_lib.xml
@@ -4,7 +4,7 @@
<erlref>
<header>
<copyright>
- <year>1996</year><year>2013</year>
+ <year>1996</year><year>2014</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -298,6 +298,39 @@ init(Parent) ->
<c>proc_lib</c> functions.</p>
</desc>
</func>
+ <func>
+ <name name="stop" arity="1"/>
+ <fsummary>Terminate a process synchronously.</fsummary>
+ <type variable="Process"/>
+ <desc>Equivalent
+ to <seealso marker="#stop/3">stop(Process, normal, infinity)</seealso>.
+ </desc>
+ </func>
+ <func>
+ <name name="stop" arity="3"/>
+ <fsummary>Terminate a process synchronously.</fsummary>
+ <type variable="Process"/>
+ <type variable="Reason"/>
+ <type variable="Timeout"/>
+ <desc>
+ <p>Orders the process to exit with the given <c>Reason</c> and
+ waits for it to terminate.</p>
+ <p>The function returns <c>ok</c> if the process exits with
+ the given <c>Reason</c> within <c>Timeout</c>
+ milliseconds.</p>
+ <p>If the call times out, a <c>timeout</c> exception is
+ raised.</p>
+ <p>If the process does not exist, a <c>noproc</c>
+ exception is raised.</p>
+ <p>The implementation of this function is based on the
+ <c>terminate</c> system message, and requires that the
+ process handles system messages correctly.
+ See <seealso marker="sys">sys(3)</seealso>
+ and <seealso marker="doc/design_principles:spec_proc">OTP
+ Design Principles</seealso> for information about system
+ messages.</p>
+ </desc>
+ </func>
</funcs>
<section>
diff --git a/lib/stdlib/doc/src/sys.xml b/lib/stdlib/doc/src/sys.xml
index a46fa1289f..7fb82e0e7e 100644
--- a/lib/stdlib/doc/src/sys.xml
+++ b/lib/stdlib/doc/src/sys.xml
@@ -4,7 +4,7 @@
<erlref>
<header>
<copyright>
- <year>1996</year><year>2013</year>
+ <year>1996</year><year>2014</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -356,6 +356,17 @@
installed.</p>
</desc>
</func>
+ <func>
+ <name name="terminate" arity="2"/>
+ <name name="terminate" arity="3"/>
+ <fsummary>Terminate the process</fsummary>
+ <desc>
+ <p>This function orders the process to terminate with the
+ given <c><anno>Reason</anno></c>. The termination is done
+ asynchronously, so there is no guarantee that the process is
+ actually terminated when the function returns.</p>
+ </desc>
+ </func>
</funcs>
<section>