From: Roy Marples <roy@marples.name>
Date: Mon, 21 Jan 2008 15:12:51 +0000 (+0000)
Subject: Don't raise signals on child exits.
X-Git-Tag: v3.2.3~77
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=62207ad3ee5ecd282d7f22fe88ee17dc882169de;p=thirdparty%2Fdhcpcd.git

Don't raise signals on child exits.
---

diff --git a/signal.c b/signal.c
index 3d02f6a5..a1f8bff4 100644
--- a/signal.c
+++ b/signal.c
@@ -28,7 +28,6 @@
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <sys/select.h>
-#include <sys/wait.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <signal.h>
@@ -45,14 +44,6 @@ static void signal_handler (int sig)
 {
 	unsigned int i = 0;
 
-	/* Silently ignore this signal and wait for it. This stops zombies.
-	   We do this here instead of client.c so that we don't spam the log
-	   file with "waiting on select messages" */
-	if (sig == SIGCHLD) {
-		wait (0);
-		return;
-	}
-
 	/* Add a signal to our stack */
 	while (signals[i])
 		i++;
@@ -140,7 +131,9 @@ void signal_setup (void)
 	signal (SIGALRM, signal_handler);
 	signal (SIGTERM, signal_handler);
 	signal (SIGINT, signal_handler);
-	signal (SIGCHLD, signal_handler);
+
+	/* We don't care about our childs exit codes right now */
+	signal (SIGCHLD, SIG_IGN);
 
 	memset (signals, 0, sizeof (signals));
 }