Revamp file locking

[fio.git] / mutex.h

diff --git a/mutex.h b/mutex.h
index 74515936e759f504e98399c71d51ef8e0823c8e6..7be0ab1b44b7c96fa4d7be645a9ff95cc9e8a0bb 100644 (file)
--- a/mutex.h
+++ b/mutex.h
@@ -7,6 +7,7 @@ struct fio_mutex {
        pthread_mutex_t lock;
        pthread_cond_t cond;
        int value;
+       int waiters;
 
        int mutex_fd;
 };
@@ -20,4 +21,14 @@ extern void fio_mutex_up(struct fio_mutex *);
 extern void fio_mutex_up_read(struct fio_mutex *);
 extern void fio_mutex_up_write(struct fio_mutex *);
 
+static inline struct fio_mutex *fio_mutex_rw_init(void)
+{
+       return fio_mutex_init(0);
+}
+
+static inline int fio_mutex_getval(struct fio_mutex *mutex)
+{
+       return mutex->value;
+}
+
 #endif