diff options
Diffstat (limited to 'sys/kern/kern_lock.c')
| -rw-r--r-- | sys/kern/kern_lock.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/sys/kern/kern_lock.c b/sys/kern/kern_lock.c index d80561d..b47ca55 100644 --- a/sys/kern/kern_lock.c +++ b/sys/kern/kern_lock.c @@ -511,15 +511,19 @@ lockinit(lkp, prio, wmesg, timo, flags) * Determine the status of a lock. */ int -lockstatus(lkp) +lockstatus(lkp, p) struct lock *lkp; + struct proc *p; { int lock_type = 0; simple_lock(&lkp->lk_interlock); - if (lkp->lk_exclusivecount != 0) - lock_type = LK_EXCLUSIVE; - else if (lkp->lk_sharecount != 0) + if (lkp->lk_exclusivecount != 0) { + if (p == NULL || lkp->lk_lockholder == p->p_pid) + lock_type = LK_EXCLUSIVE; + else + lock_type = LK_EXCLOTHER; + } else if (lkp->lk_sharecount != 0) lock_type = LK_SHARED; simple_unlock(&lkp->lk_interlock); return (lock_type); |
