diff options
| -rw-r--r-- | sys/kern/kern_sig.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/sys/kern/kern_sig.c b/sys/kern/kern_sig.c index 9516b02fb0e..e6eee8ff810 100644 --- a/sys/kern/kern_sig.c +++ b/sys/kern/kern_sig.c @@ -1,4 +1,4 @@ -/* $OpenBSD: kern_sig.c,v 1.297 2022/06/28 12:08:17 claudio Exp $ */ +/* $OpenBSD: kern_sig.c,v 1.298 2022/06/29 10:48:22 claudio Exp $ */ /* $NetBSD: kern_sig.c,v 1.54 1996/04/22 01:38:32 christos Exp $ */ /* @@ -2020,15 +2020,15 @@ single_thread_check_locked(struct proc *p, int deep, int s) SCHED_ASSERT_LOCKED(); if (pr->ps_single != NULL && pr->ps_single != p) { - /* if we're in deep, we need to unwind to the edge */ - if (deep) { - if (pr->ps_flags & PS_SINGLEUNWIND) - return (ERESTART); - if (pr->ps_flags & PS_SINGLEEXIT) - return (EINTR); - } - do { + /* if we're in deep, we need to unwind to the edge */ + if (deep) { + if (pr->ps_flags & PS_SINGLEUNWIND) + return (ERESTART); + if (pr->ps_flags & PS_SINGLEEXIT) + return (EINTR); + } + if (atomic_dec_int_nv(&pr->ps_singlecount) == 0) wakeup(&pr->ps_singlecount); |