Add SIGUSR1 to restart the window manager

1 files changed, 12 insertions, 0 deletions

diff --git a/main.c b/main.c
index 9453557..fff831b 100644
--- a/main.c
+++ b/main.c
@@ -1,10 +1,18 @@
 #include <pthread.h>
+#include <signal.h>
 #include <unistd.h>
 
 #include "glitch.h"
 
 WindowManager wm = {0};
 
+void handle_signal(int signal) {
+	wm.running = 0;
+	wm.restart = 1;
+	printf("running: %d\n", wm.running);
+	log_message(stderr, LOG_DEBUG, "Signal received: %d", signal);
+}
+
 static void* expose_timer_thread(void* arg) {
 	(void)arg;
 
@@ -49,6 +57,10 @@ int main(int argc, char *argv[]) {
 		pthread_detach(timer_tid);
 	}
 
+	// SIGUSR1 is used for restarting the window manager.
+	// kill -s SIGUSR1 $(pidof glitch)
+	signal(SIGUSR1, handle_signal);
+
 	wm.running = 1;
 	while(wm.running) {
 		XNextEvent(wm.dpy, &wm.ev);