X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=mutex.h;h=8c1a71118d680a34f9598e755991859174a2353a;hp=49a66e361bc52ed7c09328578dc4a912ec1c4e83;hb=de26b8245b06c99ec64d9f88cfde1ed9627f871a;hpb=d7213923067aa49922962a469a691c3ec951064d

diff --git a/mutex.h b/mutex.h
index 49a66e36..8c1a7111 100644
--- a/mutex.h
+++ b/mutex.h
@@ -2,16 +2,22 @@
 #define FIO_MUTEX_H
 
 #include <pthread.h>
+#include "lib/types.h"
+
+#define FIO_MUTEX_MAGIC		0x4d555445U
+#define FIO_RWLOCK_MAGIC	0x52574c4fU
 
 struct fio_mutex {
 	pthread_mutex_t lock;
 	pthread_cond_t cond;
 	int value;
 	int waiters;
+	int magic;
 };
 
 struct fio_rwlock {
 	pthread_rwlock_t lock;
+	int magic;
 };
 
 enum {
@@ -19,10 +25,13 @@ enum {
 	FIO_MUTEX_UNLOCKED	= 1,
 };
 
+extern int __fio_mutex_init(struct fio_mutex *, int);
 extern struct fio_mutex *fio_mutex_init(int);
+extern void __fio_mutex_remove(struct fio_mutex *);
 extern void fio_mutex_remove(struct fio_mutex *);
 extern void fio_mutex_up(struct fio_mutex *);
 extern void fio_mutex_down(struct fio_mutex *);
+extern bool fio_mutex_down_trylock(struct fio_mutex *);
 extern int fio_mutex_down_timeout(struct fio_mutex *, unsigned int);
 
 extern void fio_rwlock_read(struct fio_rwlock *);