Merge pull request #2677 from brauner/2018-10-07/attach_reset_signal_…

…mask attach: reset signal mask
lxc · Oct 7, 2018 · 8f355ca · 8f355ca
2 parents acf67bc + f157b05
commit 8f355ca
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/src/lxc/attach.c b/src/lxc/attach.c
@@ -1483,6 +1483,15 @@ int lxc_attach(const char *name, const char *lxcpath,
 	}
 
 	if (pid == 0) {
+		if (options->attach_flags & LXC_ATTACH_TERMINAL) {
+			ret = pthread_sigmask(SIG_SETMASK,
+					      &terminal.tty_state->oldmask, NULL);
+			if (ret < 0) {
+				SYSERROR("Failed to reset signal mask");
+				_exit(EXIT_FAILURE);
+			}
+		}
+
 		ret = attach_child_main(&payload);
 		if (ret < 0)
 			ERROR("Failed to exec");