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authorHans Bolinder <[email protected]>2017-12-01 11:40:18 +0100
committerHans Bolinder <[email protected]>2017-12-20 13:55:08 +0100
commitf842cf786897a48451c5b9d684c5ab0a30a18b16 (patch)
treeffdd7aa2f23901883f7381b22f9f1c0ac3f87893 /lib/stdlib/src/gen.erl
parentb8f16f0ab8099733a9fb1651c74af9cd1f8837ff (diff)
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stdlib: Optimize gen a little
Diffstat (limited to 'lib/stdlib/src/gen.erl')
-rw-r--r--lib/stdlib/src/gen.erl4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/stdlib/src/gen.erl b/lib/stdlib/src/gen.erl
index 4b1d448487..0e6f49d99f 100644
--- a/lib/stdlib/src/gen.erl
+++ b/lib/stdlib/src/gen.erl
@@ -148,6 +148,10 @@ init_it2(GenMod, Starter, Parent, Name, Mod, Args, Options) ->
call(Process, Label, Request) ->
call(Process, Label, Request, ?default_timeout).
+%% Optimize a common case.
+call(Process, Label, Request, Timeout) when is_pid(Process),
+ Timeout =:= infinity orelse is_integer(Timeout) andalso Timeout >= 0 ->
+ do_call(Process, Label, Request, Timeout);
call(Process, Label, Request, Timeout)
when Timeout =:= infinity; is_integer(Timeout), Timeout >= 0 ->
Fun = fun(Pid) -> do_call(Pid, Label, Request, Timeout) end,