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temporary fence hack

This commit is contained in:
Marc Alexander Lehmann 2011-07-20 00:58:45 +00:00
parent a1a66b9b1c
commit 0c5c817f04
1 changed files with 5 additions and 5 deletions
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10
ev.c
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@ -1466,17 +1466,17 @@ evpipe_write (EV_P_ EV_ATOMIC_T *flag)
*flag = 1;
ECB_MEMORY_FENCE_RELEASE;
ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
pipe_write_skipped = 1;
ECB_MEMORY_FENCE;
ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
if (pipe_write_wanted)
{
int old_errno;
pipe_write_skipped = 0; /* optimisation only */
pipe_write_skipped = 0; /* just an optimsiation, no fence needed */
old_errno = errno; /* save errno because write will clobber it */
@ -2618,7 +2618,7 @@ ev_run (EV_P_ int flags)
/* from now on, we want a pipe-wake-up */
pipe_write_wanted = 1;
ECB_MEMORY_FENCE;
ECB_MEMORY_FENCE; /* amke sure pipe_write_wanted is visible before we check for potential skips */
if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
{
@ -2670,7 +2670,7 @@ ev_run (EV_P_ int flags)
backend_poll (EV_A_ waittime);
assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
pipe_write_wanted = 0;
pipe_write_wanted = 0; /* just an optimsiation, no fence needed */
if (pipe_write_skipped)
{