Replace signal() with sigaction()

The man page for signal(3) reads:

> new applications should use sigaction() rather than signal()

1 files changed, 3 insertions, 2 deletions

diff --git a/swaybar/main.c b/swaybar/main.c
index 3dc67233..e1b0ceca 100644
--- a/swaybar/main.c
+++ b/swaybar/main.c
@@ -93,8 +93,9 @@ int main(int argc, char **argv) {
 
 	free(socket_path);
 
-	signal(SIGINT, sig_handler);
-	signal(SIGTERM, sig_handler);
+	struct sigaction sa = { .sa_handler = sig_handler };
+	sigaction(SIGINT, &sa, NULL);
+	sigaction(SIGTERM, &sa, NULL);
 
 	swaybar.running = true;
 	bar_run(&swaybar);