Tweak mutex order for SD

[bacula/bacula] / bacula / src / lib / rwlock.h

diff --git a/bacula/src/lib/rwlock.h b/bacula/src/lib/rwlock.h
index a2404d3740eff3af4617518c5826127b5868628d..7c5847636d9f09c83b652c5ee998f72acc4e7d8b 100644 (file)
--- a/bacula/src/lib/rwlock.h
+++ b/bacula/src/lib/rwlock.h
@@ -32,7 +32,7 @@
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
    02110-1301, USA.
 
-   Bacula® is a registered trademark of John Walker.
+   Bacula® is a registered trademark of Kern Sibbald.
    The licensor of Bacula is the Free Software Foundation Europe
    (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
    Switzerland, email:ftf@fsfeurope.org.
@@ -46,6 +46,7 @@ typedef struct s_rwlock_tag {
    pthread_cond_t    read;            /* wait for read */
    pthread_cond_t    write;           /* wait for write */
    pthread_t         writer_id;       /* writer's thread id */
+   int               priority;        /* used in deadlock detection */
    int               valid;           /* set when valid */
    int               r_active;        /* readers active */
    int               w_active;        /* writers active */
@@ -68,7 +69,7 @@ typedef struct s_rwsteal_tag {
 /*
  * read/write lock prototypes
  */
-extern int rwl_init(brwlock_t *wrlock);
+extern int rwl_init(brwlock_t *wrlock, int priority=0);
 extern int rwl_destroy(brwlock_t *rwlock);
 extern int rwl_readlock(brwlock_t *rwlock);
 extern int rwl_readtrylock(brwlock_t *rwlock);