flock: Check for waitpid() error

8 years ago · 00d7bf4ea5
parent 0c3440253b
commit 00d7bf4ea5
1 changed files with 2 additions and 1 deletions
--- a/flock.c
+++ b/flock.c
@ -67,7 +67,8 @@ main(int argc, char *argv[])
 	default:
 		break;
 	}
-	waitpid(pid, &status, 0);
+	if (waitpid(pid, &status, 0) < 0)
+		eprintf("waitpid:");

 	if (close(fd) < 0)
 		eprintf("close:");