pipeln

commit b412a627c2936b4cf8651316e5c27f5579441eff
parent 0fc8c7b1e72475723406a0a8086897d3d05ffdbd
Author: Louis Burda <quent.burda@gmail.com>
Date:   Wed,  8 Nov 2023 22:33:23 +0100

Fix waitall() condition

Diffstat:
M
pipeln.c
 | 
3
+--

1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/pipeln.c b/pipeln.c
@@ -112,7 +112,6 @@ waitall(pid_t tpid)
 	int status, exitcode;
 	pid_t pid;
 
-	errno = 0;
 	exitcode = 0;
 	do {
 		pid = waitpid(-1, &status, 0);
@@ -124,7 +123,7 @@ waitall(pid_t tpid)
 			else if (!exitcode && WIFSIGNALED(status))
 				exitcode = 128 + WTERMSIG(status);
 		}
-	} while (pid >= 0 && errno != ECHILD);
+	} while (pid >= 0 || errno != ECHILD);
 
 	exit(exitcode);
 }