swaybar: prevent signal handler from firing during termination

This prevents a heap-use-after-free crash when sway terminates.

1 files changed, 3 insertions, 3 deletions

diff --git a/swaybar/bar.c b/swaybar/bar.c
index a1f7bfdb..db1c1222 100644
--- a/swaybar/bar.c
+++ b/swaybar/bar.c
@@ -4,6 +4,7 @@
 #include <fcntl.h>
 #include <poll.h>
 #include <signal.h>
+#include <stdbool.h>
 #include <stdlib.h>
 #include <string.h>
 #include <sys/wait.h>
@@ -403,8 +404,7 @@ bool bar_setup(struct swaybar *bar, const char *socket_path) {
 static void display_in(int fd, short mask, void *data) {
         struct swaybar *bar = data;
         if (wl_display_dispatch(bar->display) == -1) {
-                bar_teardown(bar);
-                exit(0);
+                bar->running = false;
         }
 }
 
@@ -439,7 +439,7 @@ void bar_run(struct swaybar *bar) {
                 loop_add_fd(bar->eventloop, bar->tray->fd, POLLIN, tray_in, bar->tray->bus);
         }
 #endif
-        while (1) {
+        while (bar->running) {
                 errno = 0;
                 if (wl_display_flush(bar->display) == -1 && errno != EAGAIN) {
                         break;