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-rw-r--r--lib/stdlib/doc/src/sys.xml2
-rw-r--r--lib/stdlib/src/sys.erl2
-rw-r--r--lib/stdlib/test/sys_SUITE.erl2
3 files changed, 4 insertions, 2 deletions
diff --git a/lib/stdlib/doc/src/sys.xml b/lib/stdlib/doc/src/sys.xml
index 64d8789016..8930087555 100644
--- a/lib/stdlib/doc/src/sys.xml
+++ b/lib/stdlib/doc/src/sys.xml
@@ -102,7 +102,7 @@
then treated in the debug function. For example, <c>trace</c>
formats the system events to the terminal.
</p>
- <p>Three predefined system events are used when a
+ <p>Four predefined system events are used when a
process receives or sends a message. The process can also define its
own system events. It is always up to the process itself
to format these events.</p>
diff --git a/lib/stdlib/src/sys.erl b/lib/stdlib/src/sys.erl
index 0c578acf21..b1177ece48 100644
--- a/lib/stdlib/src/sys.erl
+++ b/lib/stdlib/src/sys.erl
@@ -44,6 +44,7 @@
-type system_event() :: {'in', Msg :: _}
| {'in', Msg :: _, From :: _}
| {'out', Msg :: _, To :: _}
+ | {'out', Msg :: _, To :: _, State :: _}
| term().
-opaque dbg_opt() :: {'trace', 'true'}
| {'log',
@@ -573,6 +574,7 @@ get_stat(_) ->
stat({in, _Msg}, {Time, Reds, In, Out}) -> {Time, Reds, In+1, Out};
stat({in, _Msg, _From}, {Time, Reds, In, Out}) -> {Time, Reds, In+1, Out};
stat({out, _Msg, _To}, {Time, Reds, In, Out}) -> {Time, Reds, In, Out+1};
+stat({out, _Msg, _To, _State}, {Time, Reds, In, Out}) -> {Time, Reds, In, Out+1};
stat(_, StatData) -> StatData.
trim(N, LogData) ->
diff --git a/lib/stdlib/test/sys_SUITE.erl b/lib/stdlib/test/sys_SUITE.erl
index b44df0fbda..a28eca513f 100644
--- a/lib/stdlib/test/sys_SUITE.erl
+++ b/lib/stdlib/test/sys_SUITE.erl
@@ -84,7 +84,7 @@ stats(Config) when is_list(Config) ->
{ok,-44} = public_call(44),
{ok,Stats} = sys:statistics(?server,get),
true = lists:member({messages_in,1}, Stats),
- true = lists:member({messages_out,0}, Stats),
+ true = lists:member({messages_out,1}, Stats),
ok = sys:statistics(?server,false),
{status,_Pid,{module,_Mod},[_PDict,running,Self,_,_]} =
sys:get_status(?server),