commit 72242057a25b59d01b3d4e1343c94cc7ac354950
author Jens Axboe <axboe@fb.com> Wed Apr 02 15:45:25 2014 -0600
committer Jens Axboe <axboe@fb.com> Wed Apr 02 15:45:25 2014 -0600
tree 80f14d23fdf95967b76ba905f4030a27b6515cfc
parent 45aeca74dc812f33a6617687fc7cb25a1cd2779b

mutex: add open init function and down_trylock() variant

Signed-off-by: Jens Axboe <axboe@fb.com>

mutex.h

diff --git a/mutex.h b/mutex.h
index 4f3486d..246afee 100644
--- a/mutex.h
+++ b/mutex.h
@@ -24,10 +24,12 @@
 	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_up(struct fio_mutex *);
 extern void fio_mutex_down(struct fio_mutex *);
+extern int 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 *);