ignore SIGKILL (CTRL-C) and SIGQUIT (CTRL-\) - issue #313

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>
@@ -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)