From: Christian Brauner <christian.brauner@ubuntu.com>
Date: Sun, 31 Dec 2017 00:58:16 +0000 (+0100)
Subject: console: set SFD_CLOEXEC on signal fd
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=10e5c67e71e70712dff0017e70b9dea7b8f159fc;p=thirdparty%2Flxc.git

console: set SFD_CLOEXEC on signal fd

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
---

diff --git a/src/lxc/console.c b/src/lxc/console.c
index f77586ca3..19c8990e8 100644
--- a/src/lxc/console.c
+++ b/src/lxc/console.c
@@ -139,7 +139,7 @@ struct lxc_tty_state *lxc_console_sigwinch_init(int srcfd, int dstfd)
 		return ts;
 	}
 
-	ts->sigfd = signalfd(-1, &mask, 0);
+	ts->sigfd = signalfd(-1, &mask, SFD_CLOEXEC);
 	if (ts->sigfd < 0) {
 		SYSERROR("failed to create signal fd");
 		sigprocmask(SIG_SETMASK, &ts->oldmask, NULL);