X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=mutex.h;h=54009bae4ae081094172da149814dcea6e4e7eec;hp=ac79dc63a6fe536f5acecc9ffd35d34bd95813b5;hb=769d13b5c5c4948c89311b55bce26cec4196e3d1;hpb=e0ae4dfde29797aa33141100205cea3b2dc8f034

diff --git a/mutex.h b/mutex.h
index ac79dc63..54009bae 100644
--- a/mutex.h
+++ b/mutex.h
@@ -2,34 +2,46 @@
 #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;
+};
 
-	int mutex_fd;
+enum {
+	FIO_MUTEX_LOCKED	= 0,
+	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_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;
-}
+
+extern void fio_rwlock_read(struct fio_rwlock *);
+extern void fio_rwlock_write(struct fio_rwlock *);
+extern void fio_rwlock_unlock(struct fio_rwlock *);
+extern struct fio_rwlock *fio_rwlock_init(void);
+extern void fio_rwlock_remove(struct fio_rwlock *);
+
+extern int mutex_init_pshared(pthread_mutex_t *);
+extern int cond_init_pshared(pthread_cond_t *);
+extern int mutex_cond_init_pshared(pthread_mutex_t *, pthread_cond_t *);
 
 #endif