use signal ipc instead of sleep loop

1 files changed, 7 insertions, 1 deletions

diff --git a/src/keypress_thread.c b/src/keypress_thread.c
index 47fb1de..a174968 100644
--- a/src/keypress_thread.c
+++ b/src/keypress_thread.c
@@ -5,13 +5,19 @@
 
 #include "common.h"
 
+static pid_t light_pid;
+
 void on_press(void) {
 	gettimeofday(last_press, NULL);
 
+	kill(light_pid, SIGCONT);
+
 	// XXX signal light thread
 }
 
-int keypress_thread(void) {
+int keypress_thread(pid_t _light_pid) {
+	light_pid = _light_pid;
+
 	FILE* fp = fopen(KEYBOARD_FILE, "r");
 	fseek(fp, 0, SEEK_END);