From 4ea33fa9f934f856f15ef45eda9633c525d792be Mon Sep 17 00:00:00 2001
From: laokz <laokz@foxmail.com>
Date: Sat, 5 Dec 2020 17:38:05 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=AD=A3OsSigTimedWaitNoLock=E5=8F=AA?=
 =?UTF-8?q?=E6=B8=85=E9=99=A4=E4=B8=80=E4=B8=AApending=E4=BF=A1=E5=8F=B7?=
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---
 kernel/base/ipc/los_signal.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/base/ipc/los_signal.c b/kernel/base/ipc/los_signal.c
index c5057968..9b7cc767 100644
--- a/kernel/base/ipc/los_signal.c
+++ b/kernel/base/ipc/los_signal.c
@@ -459,8 +459,8 @@ int OsSigTimedWaitNoLock(sigset_t *set, siginfo_t *info, unsigned int timeout)
     /* If pendingflag & set > 0, shound clear pending flag */
     sigset_t clear = sigcb->sigPendFlag & *set;
     if (clear) {
-        sigcb->sigPendFlag ^= clear;
         ret = FindFirstSetedBit((UINT64)clear) + 1;
+        sigcb->sigPendFlag ^= SIGNO2SET(ret);
     } else {
         OsSigAddSet(set, SIGKILL);
         OsSigAddSet(set, SIGSTOP);