summaryrefslogtreecommitdiffstats
path: root/lib/libpthread/sys/lock.h
diff options
context:
space:
mode:
Diffstat (limited to 'lib/libpthread/sys/lock.h')
-rw-r--r--lib/libpthread/sys/lock.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/libpthread/sys/lock.h b/lib/libpthread/sys/lock.h
index e397111..6fa23e2 100644
--- a/lib/libpthread/sys/lock.h
+++ b/lib/libpthread/sys/lock.h
@@ -55,7 +55,7 @@ struct lockreq {
struct lockuser *lr_watcher; /* only used for priority locks */
struct lockuser *lr_owner; /* only used for priority locks */
long lr_waiting; /* non-zero when wakeup needed */
- volatile long lr_handshake; /* non-zero when wakeup in progress */
+ volatile int lr_active; /* non-zero if the lock is last lock for thread */
};
struct lockuser {
@@ -72,6 +72,7 @@ struct lockuser {
#define _LCK_REQUEST_INITIALIZER { 0, NULL, NULL, 0 }
#define _LCK_BUSY(lu) ((lu)->lu_watchreq->lr_locked != 0)
+#define _LCK_ACTIVE(lu) ((lu)->lu_watchreq->lr_active != 0)
#define _LCK_GRANTED(lu) ((lu)->lu_watchreq->lr_locked == 0)
#define _LCK_SET_PRIVATE(lu, p) (lu)->lu_private = (void *)(p)
@@ -84,7 +85,9 @@ int _lock_init(struct lock *, enum lock_type,
lock_handler_t *, lock_handler_t *);
int _lockuser_init(struct lockuser *lu, void *priv);
void _lockuser_destroy(struct lockuser *lu);
+void _lockuser_setactive(struct lockuser *lu, int active);
void _lock_acquire(struct lock *, struct lockuser *, int);
void _lock_release(struct lock *, struct lockuser *);
+void _lock_grant(struct lock *, struct lockuser *);
#endif
OpenPOWER on IntegriCloud