From: Yifeng Tan <tanyifeng1@huawei.com>
Date: Mon, 19 Jun 2017 10:36:13 +0000 (+0800)
Subject: utils: fix the way to detect blocking signal
X-Git-Tag: lxc-2.1.0~95^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F1628%2Fhead;p=thirdparty%2Flxc.git

utils: fix the way to detect blocking signal

Signed-off-by: Yifeng Tan <tanyifeng1@huawei.com>
---

diff --git a/src/lxc/utils.c b/src/lxc/utils.c
index dc210de23..4419e672e 100644
--- a/src/lxc/utils.c
+++ b/src/lxc/utils.c
@@ -1928,7 +1928,7 @@ bool task_blocking_signal(pid_t pid, int signal)
 				goto out;
 	}
 
-	if (sigblk & signal)
+	if (sigblk & (1 << (signal - 1)))
 		bret = true;
 
 out: