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authorSiri Hansen <[email protected]>2017-03-02 12:36:37 +0100
committerSiri Hansen <[email protected]>2017-03-02 12:36:37 +0100
commit0255a4be4cdf2dbb4f735e13e3b28751be25c138 (patch)
treefbfe8a3511160f76d528c712eb0cf63044eb36ee /lib
parentbf737f7a5f335ebbbd6f9c2062ae78ca644572f9 (diff)
parent7d457490f786faef4ab02c300a1e69c21a6aeb21 (diff)
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Merge branch 'siri/sys/get_modules/ERL-367/OTP-14248' into maint
* siri/sys/get_modules/ERL-367/OTP-14248: Correct documentation of get_modules message
Diffstat (limited to 'lib')
-rw-r--r--lib/stdlib/doc/src/sys.xml4
-rw-r--r--lib/stdlib/src/gen_event.erl2
2 files changed, 3 insertions, 3 deletions
diff --git a/lib/stdlib/doc/src/sys.xml b/lib/stdlib/doc/src/sys.xml
index 9091a46df9..45171f814d 100644
--- a/lib/stdlib/doc/src/sys.xml
+++ b/lib/stdlib/doc/src/sys.xml
@@ -83,8 +83,8 @@
<p>If the modules used to implement the process change dynamically
during runtime, the process must understand one more message. An
example is the <seealso marker="gen_event"><c>gen_event</c></seealso>
- processes. The message is <c>{get_modules, From}</c>.
- The reply to this message is <c>From ! {modules, Modules}</c>, where
+ processes. The message is <c>{_Label, {From, Ref}, get_modules}</c>.
+ The reply to this message is <c>From ! {Ref, Modules}</c>, where
<c>Modules</c> is a list of the currently active modules in the
process.</p>
<p>This message is used by the release handler to find which
diff --git a/lib/stdlib/src/gen_event.erl b/lib/stdlib/src/gen_event.erl
index ccacf658e9..e55cdddb9a 100644
--- a/lib/stdlib/src/gen_event.erl
+++ b/lib/stdlib/src/gen_event.erl
@@ -742,7 +742,7 @@ stop_handlers([], _) ->
[].
%% Message from the release_handler.
-%% The list of modules got to be a set !
+%% The list of modules got to be a set, i.e. no duplicate elements!
get_modules(MSL) ->
Mods = [Handler#handler.module || Handler <- MSL],
ordsets:to_list(ordsets:from_list(Mods)).