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 <pbonz...@redhat.com>
Signed-off-by: Brad Smith <b...@comstyle.com>
diff --git a/util/qemu-thread-posix.c b/util/qemu-thread-posix.c
index 7be292e..17f2d7c 100644
--- a/util/qemu-thread-posix.c
+++ b/util/qemu-thread-posix.c
@@ -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) {
--
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