Don't assume read IO are always verifies if verify is enabled

[fio.git] / mutex.c

diff --git a/mutex.c b/mutex.c
index 5beaa08f0b921868d36598a6030c23867495cf42..a44743745ab43d18b8342a67598b4977c1e43557 100644 (file)
--- a/mutex.c
+++ b/mutex.c
@@ -3,12 +3,14 @@
 #include <unistd.h>
 #include <stdlib.h>
 #include <fcntl.h>
+#include <time.h>
 #include <pthread.h>
 #include <sys/mman.h>
 
 #include "log.h"
 #include "mutex.h"
 #include "arch/arch.h"
+#include "os/os.h"
 
 void fio_mutex_remove(struct fio_mutex *mutex)
 {
@@ -87,6 +89,30 @@ err:
        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);