use POSIX wait() macros

1 files changed, 1 insertions, 1 deletions

diff --git a/exec.c b/exec.c
index 61160a5..7bf565b 100644
--- a/exec.c
+++ b/exec.c
@@ -118,7 +118,7 @@ extern void exec(List *s, bool parent) {
 		   prompt, even though there's a SIGINT in its signal
 		   vector.
 		*/
-		if ((stat & 0xff) == 0)
+		if (WIFEXITED(stat))
 			nl_on_intr = FALSE;
 		sigchk();
 		nl_on_intr = TRUE;