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Fix semaphores fallback code

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As reported in bug 1087114 the semaphores fallback code is broken which
results in QEMU crashing and making QEMU unusable.

This patch is from Paolo.

This needs to be back ported to the 1.3 stable tree as well.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Brad Smith <brad@comstyle.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Brad Smith 2012-12-28 01:00:26 -05:00 committed by Blue Swirl
parent 753d99d38b
commit a795ef8dcb
1 changed files with 1 additions and 0 deletions
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qemu-thread-posix.c
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@ -213,6 +213,7 @@ int qemu_sem_timedwait(QemuSemaphore *sem, int ms)
while (sem->count < 0) {
rc = pthread_cond_timedwait(&sem->cond, &sem->lock, &ts);
if (rc == ETIMEDOUT) {
++sem->count;
break;
}
if (rc != 0) {