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authorRickard Green <[email protected]>2011-03-07 17:04:02 +0100
committerRickard Green <[email protected]>2011-03-08 09:47:52 +0100
commita37ee29884eaaf8b177cec19821159c938ddf6ff (patch)
tree192cdf554814a4ebf6d354443a9a607417fd2efd /erts/emulator/sys/common
parent422c3eda25ce9cb67a815aac5b0254432b0d44f7 (diff)
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The emulator could get into a state where it didn't check for I/O.
Diffstat (limited to 'erts/emulator/sys/common')
-rw-r--r--erts/emulator/sys/common/erl_poll.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/erts/emulator/sys/common/erl_poll.c b/erts/emulator/sys/common/erl_poll.c
index 77ac2de5f6..3ae5b8d747 100644
--- a/erts/emulator/sys/common/erl_poll.c
+++ b/erts/emulator/sys/common/erl_poll.c
@@ -347,6 +347,7 @@ reset_wakeup_state(ErtsPollSet ps)
{
#ifdef ERTS_SMP
erts_atomic32_set(&ps->wakeup_state, ERTS_POLL_NOT_WOKEN);
+ ERTS_THR_MEMORY_BARRIER;
#elif ERTS_POLL_ASYNC_INTERRUPT_SUPPORT
ps->wakeup_state = 0;
#endif