From 435e1b8784d78ce0f10a6a6bde3088af0ac769d3 Mon Sep 17 00:00:00 2001
From: =?utf8?q?S=2E=C3=87a=C4=9Flar=20Onur?= <caglar@10ur.org>
Date: Fri, 22 Aug 2014 12:36:31 -0400
Subject: [PATCH] ignore SIGKILL (CTRL-C) and SIGQUIT (CTRL-\) - issue #313
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Signed-off-by: S.Çağlar Onur <caglar@10ur.org>
Acked-by: Serge E. Hallyn <serge.hallyn@ubuntu.com>
---
 src/lxc/attach.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/lxc/attach.c b/src/lxc/attach.c
index 1a753c76f..923c4971b 100644
--- a/src/lxc/attach.c
+++ b/src/lxc/attach.c
@@ -26,6 +26,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
+#include <signal.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <grp.h>
@@ -601,7 +602,7 @@ static bool fetch_seccomp(const char *name, const char *lxcpath,
 		struct lxc_proc_context_info *i, lxc_attach_options_t *options)
 {
 	struct lxc_container *c;
-	
+
 	if (!(options->namespaces & CLONE_NEWNS) || !(options->attach_flags & LXC_ATTACH_LSM))
 		return true;
 
@@ -771,6 +772,10 @@ int lxc_attach(const char* name, const char* lxcpath, lxc_attach_exec_t exec_fun
 			goto cleanup_error;
 		}
 
+		/* ignore SIGKILL (CTRL-C) and SIGQUIT (CTRL-\) - issue #313 */
+		signal(SIGINT, SIG_IGN);
+		signal(SIGQUIT, SIG_IGN);
+
 		/* reap intermediate process */
 		ret = wait_for_pid(pid);
 		if (ret < 0)
-- 
2.47.2