Use read-writer locks in smalloc

[fio.git] / mutex.h

diff --git a/mutex.h b/mutex.h
index 0c862dba08998cc9dab9aa6f33849baa2a71f717..74515936e759f504e98399c71d51ef8e0823c8e6 100644 (file)
--- a/mutex.h
+++ b/mutex.h
@@ -6,7 +6,7 @@
 struct fio_mutex {
        pthread_mutex_t lock;
        pthread_cond_t cond;
-       unsigned int value;
+       int value;
 
        int mutex_fd;
 };
@@ -14,6 +14,10 @@ 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 *);
 
 #endif