diff options
Diffstat (limited to 'sys/kern/kern_proc.c')
| -rw-r--r-- | sys/kern/kern_proc.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/sys/kern/kern_proc.c b/sys/kern/kern_proc.c index 6647f73..4b1f492 100644 --- a/sys/kern/kern_proc.c +++ b/sys/kern/kern_proc.c @@ -183,16 +183,14 @@ int inferior(p) register struct proc *p; { - int rval; + int rval = 1; - PROC_LOCK_ASSERT(p, MA_OWNED); - if (p == curproc) - return (1); - if (p->p_pid == 0) - return (0); - PROC_LOCK(p->p_pptr); - rval = inferior(p->p_pptr); - PROC_UNLOCK(p->p_pptr); + sx_assert(&proctree_lock, SX_LOCKED); + for (; p != curproc; p = p->p_pptr) + if (p->p_pid == 0) { + rval = 0; + break; + } return (rval); } |
