bore

commit 8416a7600224c522f3527ca50fbf1d25e220853b
parent 954790d3acb7cd91aa1fe22ec19eb1c45caa3037
Author: phoebos <ben@bvnf.space>
Date:   Sat,  1 Oct 2022 22:28:27 +0100

sleep: exit normally on SIGALRM

Diffstat:
M
sleep.c
 | 
9
+++++++++

1 file changed, 9 insertions(+), 0 deletions(-)
diff --git a/sleep.c b/sleep.c
@@ -1,8 +1,15 @@
 #include <errno.h>
+#include <signal.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
 
+void
+sig_handler(int sig) {
+    (void)sig;
+    exit(0);
+}
+
 int
 main(int argc, char **argv) {
     if (argc != 2) {
@@ -10,6 +17,8 @@ main(int argc, char **argv) {
         return 1;
     }
 
+    signal(SIGALRM, sig_handler);
+
     errno = 0;
     unsigned long t = strtoul(argv[1], NULL, 10);
     if (errno || (signed long)t < 0)