cmd-timer

commit: d50280fafcf9f708f62b0bfbe08c4d7d6a36b29f
parent 5de077e3aa17a3982575b48602f5febc880bfecf
Author: Haelwenn (lanodan) Monnier <contact@hacktivis.me>
Date:   Sat, 19 Jul 2025 11:28:32 +0200

handle sigdelset errors via errx-like function

Diffstat:
M
timer.c
32
+++++++++++++++-----------------

1 file changed, 15 insertions(+), 17 deletions(-)
diff --git a/timer.c b/timer.c
@@ -51,6 +51,13 @@ bad_usage()
 	exit(1);
 }
 
+static void
+timer_errx(int err, char *msg)
+{
+	fprintf(stderr, "timer: error: %s: %s\n", msg, strerror(errno));
+	exit(err);
+}
+
 int
 main(int argc, char *argv[])
 {
@@ -127,26 +134,17 @@ main(int argc, char *argv[])
 
 	sigset_t sigmask;
 	sigfillset(&sigmask);
+
 	if(sigdelset(&sigmask, SIGALRM) != 0)
-	{
-		fprintf(stderr, "timer: error: Failed adding SIGALARM to new sigmask: %s\n", strerror(errno));
-		return 1;
-	}
+		timer_errx(1, "Failed adding SIGALRM to sigsuspend sigmask");
+
 	if(sigdelset(&sigmask, SIGCHLD) != 0)
-	{
-		fprintf(stderr, "timer: error: Failed adding SIGCHLD to new sigmask: %s\n", strerror(errno));
-		return 1;
-	}
-	if(sigdelset(&sigmask, SIGINT) != 0)
-	{
-		fprintf(stderr, "timer: error: Failed adding SIGINT to new sigmask: %s\n", strerror(errno));
-		return 1;
-	}
+		timer_errx(1, "Failed adding SIGCHLD to sigsuspend sigmask");
+
+	if(sigdelset(&sigmask, SIGINT) != 0) timer_errx(1, "Failed adding SIGINT to sigsuspend sigmask");
+
 	if(sigdelset(&sigmask, SIGTERM) != 0)
-	{
-		fprintf(stderr, "timer: error: Failed adding SIGTERM to new sigmask: %s\n", strerror(errno));
-		return 1;
-	}
+		timer_errx(1, "Failed adding SIGTERM to sigsuspend sigmask");
 
 	while(sigsuspend(&sigmask))
 		;