X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=mutex.h;h=6fdf7c6dabceaa456d17f66040be3894c61556c8;hp=74515936e759f504e98399c71d51ef8e0823c8e6;hb=cfd94f79c362da249d22a59b6ede367ce3d2ba1d;hpb=64d4d313ef4f537408d28fac863cf2a2b0f00175

diff --git a/mutex.h b/mutex.h
index 74515936..6fdf7c6d 100644
--- a/mutex.h
+++ b/mutex.h
@@ -7,17 +7,32 @@ struct fio_mutex {
 	pthread_mutex_t lock;
 	pthread_cond_t cond;
 	int value;
+	int waiters;
+};
 
-	int mutex_fd;
+enum {
+	FIO_MUTEX_LOCKED	= 0,
+	FIO_MUTEX_UNLOCKED	= 1,
 };
 
 extern struct fio_mutex *fio_mutex_init(int);
 extern void fio_mutex_remove(struct fio_mutex *);
 extern void fio_mutex_down(struct fio_mutex *);
+extern int fio_mutex_down_timeout(struct fio_mutex *, unsigned int);
 extern void fio_mutex_down_read(struct fio_mutex *);
 extern void fio_mutex_down_write(struct fio_mutex *);
 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