shod

commit 80744f0762e1af81163d34090a5ee791fe5dc433
parent 473940f034d26db0ef0448925b5cb0c6b3fb9e70
Author: Lucas de Sena <lucas@seninha.org>
Date:   Sat, 28 Jan 2023 09:26:19 -0300

fix zombie handling

Thanks to Hiltjo and NRK work on dwm.

Diffstat:
M
shod.c
 | 
4
+++-

1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/shod.c b/shod.c
@@ -164,10 +164,12 @@ initsignal(void)
 
 	/* remove zombies, we may inherit children when exec'ing shod in .xinitrc */
 	sa.sa_handler = SIG_IGN;
-	sa.sa_flags = 0;
+	sa.sa_flags = SA_NOCLDSTOP | SA_NOCLDWAIT | SA_RESTART;
 	sigemptyset(&sa.sa_mask);
 	if (sigaction(SIGCHLD, &sa, NULL) == -1)
 		err(1, "sigaction");
+	while (waitpid(-1, NULL, WNOHANG) != -1)
+		;
 
 	/* set running to 0 */
 	sa.sa_handler = siginthandler;