udyfi

commit c3fbeeeae176034b869f84d283953edaf89ecf91
parent bf7f4ef13d96ab28c62f790929e5aa227b4e8d0f
Author: Santtu Lakkala <inz@inz.fi>
Date:   Tue,  4 Jul 2023 13:20:23 +0300

Add no-op SIGHUP handler

Add handler for SIGHUP that does nothing. Receiving a SIGHUP will
interrupt the sleep call and cause re-check of IP.

Diffstat:
M
udyfi.c
 | 
6
++++++

1 file changed, 6 insertions(+), 0 deletions(-)
diff --git a/udyfi.c b/udyfi.c
@@ -130,6 +130,11 @@ static void sig_handler(int signum)
 	running = false;
 }
 
+static void sighup_handler(int signum)
+{
+	(void)signum;
+}
+
 static ssize_t http_get(const char *server,
 			const char *port,
 			const char *path,
@@ -792,6 +797,7 @@ cfgtoggle:
 
 	signal(SIGINT, sig_handler);
 	signal(SIGTERM, sig_handler);
+	sigaction(SIGHUP, &(struct sigaction){ .sa_handler = sighup_handler }, NULL);
 
 	while (running) {
 		time_t now = time(NULL);