signal: check sigpause() input parameter

2 years ago · 06c5e4e832
1 changed files with 1 additions and 1 deletions
--- a/src/signal/sigpause.c
+++ b/src/signal/sigpause.c
@ -4,6 +4,6 @@ int sigpause(int sig)
 {
 	sigset_t mask;
 	sigprocmask(0, 0, &mask);
-	sigdelset(&mask, sig);
+	if (sigdelset(&mask, sig)) return -1;
 	return sigsuspend(&mask);
 }