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authorSiri Hansen <[email protected]>2014-07-03 09:48:37 +0200
committerSiri Hansen <[email protected]>2014-07-03 09:48:37 +0200
commitbbf3e70e806b796611d14d4660372072dce8bffb (patch)
tree8e25835e77ee2bd3247b4ae8a658f9e737283850
parentd2ade9b27432a1f7342e231d0d8b12467c3d3d77 (diff)
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Fix spec of format function in sys
The argument FormFunc is sys:handle_debug/4war erronously specified as dbg_fun(), which is a debug function. This has now been corrected by adding a new type, format_fun().
-rw-r--r--lib/stdlib/doc/src/sys.xml5
-rw-r--r--lib/stdlib/src/sys.erl10
2 files changed, 11 insertions, 4 deletions
diff --git a/lib/stdlib/doc/src/sys.xml b/lib/stdlib/doc/src/sys.xml
index a46fa1289f..19605f325b 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>
@@ -115,6 +115,9 @@
<datatype>
<name name="dbg_fun"/>
</datatype>
+ <datatype>
+ <name name="format_fun"/>
+ </datatype>
</datatypes>
<funcs>
<func>
diff --git a/lib/stdlib/src/sys.erl b/lib/stdlib/src/sys.erl
index e25cc25f57..d3ba09ce82 100644
--- a/lib/stdlib/src/sys.erl
+++ b/lib/stdlib/src/sys.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2013. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2014. 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
@@ -46,7 +46,7 @@
{N :: non_neg_integer(),
[{Event :: system_event(),
FuncState :: _,
- FormFunc :: dbg_fun()}]}}
+ FormFunc :: format_fun()}]}}
| {'statistics', {file:date_time(),
{'reductions', non_neg_integer()},
MessagesIn :: non_neg_integer(),
@@ -57,6 +57,10 @@
Event :: system_event(),
ProcState :: _) -> 'done' | (NewFuncState :: _)).
+-type format_fun() :: fun((Device :: io:device() | file:io_device(),
+ Event :: system_event(),
+ Extra :: term()) -> any()).
+
%%-----------------------------------------------------------------
%% System messages
%%-----------------------------------------------------------------
@@ -346,7 +350,7 @@ handle_system_msg(SysState, Msg, From, Parent, Mod, Debug, Misc, Hib) ->
%%-----------------------------------------------------------------
-spec handle_debug(Debug, FormFunc, Extra, Event) -> [dbg_opt()] when
Debug :: [dbg_opt()],
- FormFunc :: dbg_fun(),
+ FormFunc :: format_fun(),
Extra :: term(),
Event :: system_event().
handle_debug([{trace, true} | T], FormFunc, State, Event) ->