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add assertions on the owner of a QemuMutex 

These are already present in the Win32 implementation, add them to
the pthread wrappers as well.  Use PTHREAD_MUTEX_ERRORCHECK for mutex
operations. Later we'll add tracking of the owner for cond_signal/broadcast.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Paolo Bonzini 2011-03-12 17:43:54 +01:00 committed by Blue Swirl
parent 96284e8973
commit 89b48b5681
1 changed files with 5 additions and 1 deletions
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6
qemu-thread-posix.c
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@ -28,8 +28,12 @@ static void error_exit(int err, const char *msg)
void qemu_mutex_init(QemuMutex *mutex)
{
int err;
pthread_mutexattr_t mutexattr;
err = pthread_mutex_init(&mutex->lock, NULL);
pthread_mutexattr_init(&mutexattr);
pthread_mutexattr_settype(&mutexattr, PTHREAD_MUTEX_ERRORCHECK);
err = pthread_mutex_init(&mutex->lock, &mutexattr);
pthread_mutexattr_destroy(&mutexattr);
if (err)
error_exit(err, __func__);
}