X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=mutex.h;h=7be0ab1b44b7c96fa4d7be645a9ff95cc9e8a0bb;hp=85f5f69cee0724069d60d72d9761e2cfc19efccd;hb=b0f65863844b4de92d10fefaabde80ea5bc3e5cc;hpb=cdd18ad87ed9a3639b76c41cfc9682ad7cce652e

diff --git a/mutex.h b/mutex.h
index 85f5f69c..7be0ab1b 100644
--- a/mutex.h
+++ b/mutex.h
@@ -6,14 +6,29 @@
 struct fio_mutex {
 	pthread_mutex_t lock;
 	pthread_cond_t cond;
-	unsigned int value;
+	int value;
+	int waiters;
 
 	int mutex_fd;
 };
 
 extern struct fio_mutex *fio_mutex_init(int);
 extern void fio_mutex_remove(struct fio_mutex *);
-extern inline void fio_mutex_down(struct fio_mutex *);
-extern inline void fio_mutex_up(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