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| author | Björn Gustavsson <[email protected]> | 2010-04-22 09:15:45 +0200 |
|---|---|---|
| committer | Björn Gustavsson <[email protected]> | 2010-05-10 07:16:04 +0200 |
| commit | 23362aeb8f364adb64a0825ea40dcb1158babe13 (patch) | |
| tree | 095a2d6402c4bde4ede41d1afec3a33d49f0eb8d | |
| parent | 9a47f399acb54eac86b79b274aaf4f191a765961 (diff) | |
| download | otp-23362aeb8f364adb64a0825ea40dcb1158babe13.tar.gz otp-23362aeb8f364adb64a0825ea40dcb1158babe13.tar.bz2 otp-23362aeb8f364adb64a0825ea40dcb1158babe13.zip | |
gen: Inline wait_resp_mon/2 to help the compiler optimize
We are about to introduce a new optimization that requires
the creation of a monitor and the following receive statement
to be in the same function.
| -rw-r--r-- | lib/stdlib/src/gen.erl | 35 |
1 files changed, 16 insertions, 19 deletions
diff --git a/lib/stdlib/src/gen.erl b/lib/stdlib/src/gen.erl index 5aab547644..30f48d39b7 100644 --- a/lib/stdlib/src/gen.erl +++ b/lib/stdlib/src/gen.erl @@ -212,7 +212,22 @@ do_call(Process, Label, Request, Timeout) -> catch erlang:send(Process, {Label, {self(), Mref}, Request}, [noconnect]), - wait_resp_mon(Node, Mref, Timeout) + receive + {Mref, Reply} -> + erlang:demonitor(Mref, [flush]), + {ok, Reply}; + {'DOWN', Mref, _, _, noconnection} -> + exit({nodedown, Node}); + {'DOWN', Mref, _, _, Reason} -> + exit(Reason) + after Timeout -> + erlang:demonitor(Mref), + receive + {'DOWN', Mref, _, _, _} -> true + after 0 -> true + end, + exit(timeout) + end catch error:_ -> %% Node (C/Java?) is not supporting the monitor. @@ -233,24 +248,6 @@ do_call(Process, Label, Request, Timeout) -> end end. -wait_resp_mon(Node, Mref, Timeout) -> - receive - {Mref, Reply} -> - erlang:demonitor(Mref, [flush]), - {ok, Reply}; - {'DOWN', Mref, _, _, noconnection} -> - exit({nodedown, Node}); - {'DOWN', Mref, _, _, Reason} -> - exit(Reason) - after Timeout -> - erlang:demonitor(Mref), - receive - {'DOWN', Mref, _, _, _} -> true - after 0 -> true - end, - exit(timeout) - end. - wait_resp(Node, Tag, Timeout) -> receive {Tag, Reply} -> |