X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=mutex.h;h=6fdf7c6dabceaa456d17f66040be3894c61556c8;hp=40cfc1ede75430c542b0b1fc5b2d17cacfbff5e4;hb=2f694507513e44e59139f57f28e08c5d0772880e;hpb=9c5b52907227f8f50dc472d11601869f75b8d663

diff --git a/mutex.h b/mutex.h
index 40cfc1ed..6fdf7c6d 100644
--- a/mutex.h
+++ b/mutex.h
@@ -7,13 +7,18 @@ 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 *);
@@ -25,4 +30,9 @@ 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