clib_unix_warning ("mutexattr_init");
if (pthread_mutexattr_setpshared (&attr, PTHREAD_PROCESS_SHARED))
clib_unix_warning ("pthread_mutexattr_setpshared");
+ if (pthread_mutexattr_setrobust (&attr, PTHREAD_MUTEX_ROBUST))
+ clib_unix_warning ("setrobust");
if (pthread_mutex_init (&q->mutex, &attr))
clib_unix_warning ("mutex_init");
if (pthread_mutexattr_destroy (&attr))
void
svm_queue_lock (svm_queue_t * q)
{
- pthread_mutex_lock (&q->mutex);
+ int rv = pthread_mutex_lock (&q->mutex);
+ if (PREDICT_FALSE (rv == EOWNERDEAD))
+ pthread_mutex_consistent (&q->mutex);
+}
+
+static int
+svm_queue_trylock (svm_queue_t * q)
+{
+ int rv = pthread_mutex_trylock (&q->mutex);
+ if (PREDICT_FALSE (rv == EOWNERDEAD))
+ rv = pthread_mutex_consistent (&q->mutex);
+ return rv;
}
void
ASSERT (q->consumer_evtfd > 0 && q->producer_evtfd > 0);
fd = is_prod ? q->producer_evtfd : q->consumer_evtfd;
rv = write (fd, &data, sizeof (data));
- if (PREDICT_FALSE (rv))
- clib_unix_warning ("signal write returned %d", rv);
+ if (PREDICT_FALSE (rv < 0))
+ clib_unix_warning ("signal write on %d returned %d", fd, rv);
}
}
if (nowait)
{
/* zero on success */
- if (pthread_mutex_trylock (&q->mutex))
+ if (svm_queue_trylock (q))
{
return (-1);
}
if (nowait)
{
/* zero on success */
- if (pthread_mutex_trylock (&q->mutex))
+ if (svm_queue_trylock (q))
{
return (-1);
}
if (cond == SVM_Q_NOWAIT)
{
/* zero on success */
- if (pthread_mutex_trylock (&q->mutex))
+ if (svm_queue_trylock (q))
{
return (-1);
}