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NaCl: Fix thinko in last change.

This commit is contained in:
Roland McGrath 2015-05-26 16:11:46 -07:00
parent 1f3a37b19c
commit 4da82229f0
1 changed files with 9 additions and 8 deletions
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17
sysdeps/nacl/lll_timedlock_wait.c
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@ -36,17 +36,18 @@ __lll_timedlock_wait (int *futex, const struct timespec *abstime, int private)
return EINVAL;
/* Try locking. */
int result = 0;
while (atomic_exchange_acq (futex, 2) != 0)
{
/* If *futex == 2, wait until woken or timeout. */
result = __nacl_irt_futex.futex_wait_abs ((volatile int *) futex, 2,
abstime);
if (__glibc_likely (result == 0)
|| __glibc_likely (result == ETIMEDOUT))
break;
assert (result == EAGAIN);
int err = __nacl_irt_futex.futex_wait_abs ((volatile int *) futex, 2,
abstime);
if (err != 0)
{
if (__glibc_likely (err == ETIMEDOUT))
return err;
assert (err == EAGAIN);
}
}
return result;
return 0;
}