X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=mutex.h;h=7be0ab1b44b7c96fa4d7be645a9ff95cc9e8a0bb;hp=0c862dba08998cc9dab9aa6f33849baa2a71f717;hb=29c8e868723e1b539d402d1accac97f872f355ea;hpb=af4bab56db4f87410c491c356954bbb65171f94d

diff --git a/mutex.h b/mutex.h
index 0c862dba..7be0ab1b 100644
--- a/mutex.h
+++ b/mutex.h
@@ -6,7 +6,8 @@
 struct fio_mutex {
 	pthread_mutex_t lock;
 	pthread_cond_t cond;
-	unsigned int value;
+	int value;
+	int waiters;
 
 	int mutex_fd;
 };
@@ -14,6 +15,20 @@ struct fio_mutex {
 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 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