attach: use lxc_terminal_signal_sigmask_safe_blocked()

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

attach: use lxc_terminal_signal_sigmask_safe_blocked()
f59f2f9e · Christian Brauner · 1748c4bd · f59f2f9e
Unverified Commit f59f2f9e authored Sep 02, 2020 by Christian Brauner
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attach.c src/lxc/attach.c +4 -8

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--- a/src/lxc/attach.c
+++ b/src/lxc/attach.c
@@ -1384,14 +1384,10 @@ int lxc_attach(struct lxc_container *container, lxc_attach_exec_t exec_function,
 	if (pid == 0) {
 		if (options->attach_flags & LXC_ATTACH_TERMINAL) {
-			if (terminal.tty_state)
+			ret = lxc_terminal_signal_sigmask_safe_blocked(&terminal);
-			{
+			if (ret < 0) {
-				ret = pthread_sigmask(SIG_SETMASK,
+				SYSERROR("Failed to reset signal mask");
-							  &terminal.tty_state->oldmask, NULL);
+				_exit(EXIT_FAILURE);
-				if (ret < 0) {
-					SYSERROR("Failed to reset signal mask");
-					_exit(EXIT_FAILURE);
-				}
 			}
 		}