diff options
| -rw-r--r-- | sys/kern/kern_mutex.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/sys/kern/kern_mutex.c b/sys/kern/kern_mutex.c index 7e581ff..ed9dfbb 100644 --- a/sys/kern/kern_mutex.c +++ b/sys/kern/kern_mutex.c @@ -211,10 +211,13 @@ unlock_spin(struct lock_object *lock) int owner_mtx(const struct lock_object *lock, struct thread **owner) { - const struct mtx *m = (const struct mtx *)lock; + const struct mtx *m; + uintptr_t x; - *owner = mtx_owner(m); - return (mtx_unowned(m) == 0); + m = (const struct mtx *)lock; + x = m->mtx_lock; + *owner = (struct thread *)(x & ~MTX_FLAGMASK); + return (x != MTX_UNOWNED); } #endif |
