Add code to detect a task that exited prior to up'ing the startup mutex
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/mutex.c b/mutex.c
index 1538f62..a447437 100644
--- a/mutex.c
+++ b/mutex.c
@@ -3,6 +3,7 @@
#include <unistd.h>
#include <stdlib.h>
#include <fcntl.h>
+#include <time.h>
#include <pthread.h>
#include <sys/mman.h>
@@ -88,6 +89,30 @@
return NULL;
}
+int fio_mutex_down_timeout(struct fio_mutex *mutex, unsigned int seconds)
+{
+ struct timespec t;
+ int ret = 0;
+
+ clock_gettime(CLOCK_REALTIME, &t);
+ t.tv_sec += seconds;
+
+ pthread_mutex_lock(&mutex->lock);
+
+ while (!mutex->value && !ret) {
+ mutex->waiters++;
+ ret = pthread_cond_timedwait(&mutex->cond, &mutex->lock, &t);
+ mutex->waiters--;
+ }
+
+ if (!ret) {
+ mutex->value--;
+ pthread_mutex_unlock(&mutex->lock);
+ }
+
+ return ret;
+}
+
void fio_mutex_down(struct fio_mutex *mutex)
{
pthread_mutex_lock(&mutex->lock);