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authorRaimo Niskanen <[email protected]>2019-02-25 12:10:40 +0100
committerRaimo Niskanen <[email protected]>2019-02-25 12:10:40 +0100
commit17da9d0d5e08ef313055cf799fec7ee856fde1d4 (patch)
treee3d517e054103d98050d65b95ae8722c31abc22f /lib
parentf87e53dfd230bdac66cbbc756cb92c2f0957c465 (diff)
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Create a gen_statem type for enter_loop options
Diffstat (limited to 'lib')
-rw-r--r--lib/stdlib/doc/src/gen_statem.xml63
-rw-r--r--lib/stdlib/doc/src/sys.xml5
-rw-r--r--lib/stdlib/src/gen_statem.erl38
-rw-r--r--lib/stdlib/src/sys.erl28
4 files changed, 67 insertions, 67 deletions
diff --git a/lib/stdlib/doc/src/gen_statem.xml b/lib/stdlib/doc/src/gen_statem.xml
index dfecd235c9..0a7619baf5 100644
--- a/lib/stdlib/doc/src/gen_statem.xml
+++ b/lib/stdlib/doc/src/gen_statem.xml
@@ -4,7 +4,7 @@
<erlref>
<header>
<copyright>
- <year>2016</year><year>2018</year>
+ <year>2016</year><year>2019</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -514,36 +514,6 @@ handle_event(_, _, State, Data) ->
</desc>
</datatype>
<datatype>
- <name name="debug_opt"/>
- <desc>
- <p>
- Debug option that can be used when starting
- a <c>gen_statem</c> server through,
- <seealso marker="#enter_loop/4"><c>enter_loop/4-6</c></seealso>.
- </p>
- <p>
- For every entry in <c><anno>Dbgs</anno></c>,
- the corresponding function in
- <seealso marker="sys"><c>sys</c></seealso> is called.
- </p>
- </desc>
- </datatype>
- <datatype>
- <name name="hibernate_after_opt"/>
- <desc>
- <p>
- hibernate_after option that can be used when starting
- a <c>gen_statem</c> server through,
- <seealso marker="#enter_loop/4"><c>enter_loop/4-6</c></seealso>.
- </p>
- <p>If option<seealso marker="#type-hibernate_after_opt"><c>{hibernate_after,HibernateAfterTimeout}</c></seealso> is present, the <c>gen_statem</c>
- process awaits any message for <c>HibernateAfterTimeout</c> milliseconds and
- if no message is received, the process goes into hibernation automatically
- (by calling <seealso marker="proc_lib#hibernate/3"><c>proc_lib:hibernate/3</c></seealso>).
- </p>
- </desc>
- </datatype>
- <datatype>
<name name="start_opt"/>
<desc>
<p>
@@ -563,6 +533,37 @@ handle_event(_, _, State, Data) ->
</desc>
</datatype>
<datatype>
+ <name name="enter_loop_opt"/>
+ <desc>
+ <p>
+ Options that can be used when starting
+ a <c>gen_statem</c> server through,
+ <seealso marker="#enter_loop/4"><c>enter_loop/4-6</c></seealso>.
+ </p>
+ <taglist>
+ <tag><c>hibernate_after</c></tag>
+ <item>
+ <p>
+ <c>HibernateAfterTimeout</c>
+ specifies that the <c>gen_statem</c> process awaits
+ any message for <c>HibernateAfterTimeout</c> milliseconds and
+ if no message is received, the process goes into hibernation
+ automatically (by calling
+ <seealso marker="proc_lib#hibernate/3"><c>proc_lib:hibernate/3</c></seealso>).
+ </p>
+ </item>
+ <tag><c>debug</c></tag>
+ <item>
+ <p>
+ For every entry in <c><anno>Dbgs</anno></c>,
+ the corresponding function in
+ <seealso marker="sys"><c>sys</c></seealso> is called.
+ </p>
+ </item>
+ </taglist>
+ </desc>
+ </datatype>
+ <datatype>
<name name="from"/>
<desc>
<p>
diff --git a/lib/stdlib/doc/src/sys.xml b/lib/stdlib/doc/src/sys.xml
index 9fe816e33a..bf48ae0723 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>2018</year>
+ <year>1996</year><year>2019</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -123,6 +123,9 @@
<name name="dbg_fun"/>
</datatype>
<datatype>
+ <name name="debug_option"/>
+ </datatype>
+ <datatype>
<name name="format_fun"/>
</datatype>
</datatypes>
diff --git a/lib/stdlib/src/gen_statem.erl b/lib/stdlib/src/gen_statem.erl
index 5f5af7d38f..3a747b6104 100644
--- a/lib/stdlib/src/gen_statem.erl
+++ b/lib/stdlib/src/gen_statem.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2016-2018. All Rights Reserved.
+%% Copyright Ericsson AB 2016-2019. 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.
@@ -71,9 +71,9 @@
-export_type(
[server_name/0,
server_ref/0,
- hibernate_after_opt/0,
start_opt/0,
- start_ret/0]).
+ start_ret/0,
+ enter_loop_opt/0]).
%%%==========================================================================
%%% Interface functions.
@@ -431,28 +431,26 @@ timeout_event_type(Type) ->
%%% API
-type server_name() ::
- {'global', GlobalName :: term()}
+ {'global', GlobalName :: term()}
| {'via', RegMod :: module(), Name :: term()}
| {'local', atom()}.
-type server_ref() ::
- pid()
+ pid()
| (LocalName :: atom())
| {Name :: atom(), Node :: atom()}
| {'global', GlobalName :: term()}
| {'via', RegMod :: module(), ViaName :: term()}.
--type debug_opt() ::
- {'debug',
- Dbgs ::
- ['trace' | 'log' | 'statistics' | 'debug'
- | {'logfile', string()}]}.
--type hibernate_after_opt() ::
- {'hibernate_after', HibernateAfterTimeout :: timeout()}.
-type start_opt() ::
- debug_opt()
- | {'timeout', Time :: timeout()}
- | hibernate_after_opt()
- | {'spawn_opt', [proc_lib:spawn_option()]}.
--type start_ret() :: {'ok', pid()} | 'ignore' | {'error', term()}.
+ {'timeout', Time :: timeout()}
+ | {'spawn_opt', [proc_lib:spawn_option()]}
+ | enter_loop_opt().
+-type start_ret() ::
+ {'ok', pid()}
+ | 'ignore'
+ | {'error', term()}.
+-type enter_loop_opt() ::
+ {'hibernate_after', HibernateAfterTimeout :: timeout()}
+ | {'debug', Dbgs :: [sys:debug_option()]}.
@@ -565,14 +563,14 @@ reply({To,Tag}, Reply) when is_pid(To) ->
%% started by proc_lib into a state machine using
%% the same arguments as you would have returned from init/1
-spec enter_loop(
- Module :: module(), Opts :: [debug_opt() | hibernate_after_opt()],
+ Module :: module(), Opts :: [enter_loop_opt()],
State :: state(), Data :: data()) ->
no_return().
enter_loop(Module, Opts, State, Data) ->
enter_loop(Module, Opts, State, Data, self()).
%%
-spec enter_loop(
- Module :: module(), Opts :: [debug_opt() | hibernate_after_opt()],
+ Module :: module(), Opts :: [enter_loop_opt()],
State :: state(), Data :: data(),
Server_or_Actions ::
server_name() | pid() | [action()]) ->
@@ -586,7 +584,7 @@ enter_loop(Module, Opts, State, Data, Server_or_Actions) ->
end.
%%
-spec enter_loop(
- Module :: module(), Opts :: [debug_opt() | hibernate_after_opt()],
+ Module :: module(), Opts :: [enter_loop_opt()],
State :: state(), Data :: data(),
Server :: server_name() | pid(),
Actions :: [action()] | action()) ->
diff --git a/lib/stdlib/src/sys.erl b/lib/stdlib/src/sys.erl
index 0064414d6f..e97f9bb342 100644
--- a/lib/stdlib/src/sys.erl
+++ b/lib/stdlib/src/sys.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2018. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2019. 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 +36,7 @@
%% Types
%%-----------------------------------------------------------------
--export_type([dbg_opt/0]).
+-export_type([dbg_opt/0, dbg_fun/0, debug_option/0]).
-type name() :: pid() | atom()
| {'global', term()}
@@ -67,6 +67,16 @@
Event :: system_event(),
Extra :: term()) -> any()).
+-type debug_option() ::
+ 'trace'
+ | 'log'
+ | {'log', N :: pos_integer()}
+ | 'statistics'
+ | {'log_to_file', FileName :: file:name()}
+ | {'install',
+ {Func :: dbg_fun(), FuncState :: term()}
+ | {FuncId :: term(), Func :: dbg_fun(), FuncState :: term()}}.
+
%%-----------------------------------------------------------------
%% System messages
%%-----------------------------------------------------------------
@@ -646,19 +656,7 @@ close_log_file(Debug) ->
%% Returns: [debug_opts()]
%%-----------------------------------------------------------------
--spec debug_options(Options) -> [dbg_opt()] when
- Options :: [Opt],
- Opt :: 'trace'
- | 'log'
- | {'log', pos_integer()}
- | 'statistics'
- | {'log_to_file', FileName}
- | {'install', FuncSpec},
- FileName :: file:name(),
- FuncSpec :: {Func, FuncState} | {FuncId, Func, FuncState},
- FuncId :: term(),
- Func :: dbg_fun(),
- FuncState :: term().
+-spec debug_options([Opt :: debug_option()]) -> [dbg_opt()].
debug_options(Options) ->
debug_options(Options, []).