From: Ben Gras <ben@minix3.org>
Date: Thu, 30 May 2013 19:41:45 +0000 (+0000)
Subject: tcpd: waitpid() for any child process
X-Git-Tag: v3.3.0~949
X-Git-Url: http://zhaoyanbai.com/repos/%22http:/www.isc.org/icons/zlib_tech.html?a=commitdiff_plain;h=refs%2Fchanges%2F06%2F606%2F1;p=minix.git

tcpd: waitpid() for any child process

	. prevents zombies from accumulating for as long as tcpd exists
	  for child processes that create their own process group, e.g. ftpd.

Change-Id: Ic56597810f7d17e1cc28b755e2d1998ecf49a27c
---

diff --git a/commands/tcpd/tcpd.c b/commands/tcpd/tcpd.c
index 2f86d4392..01fa3a194 100644
--- a/commands/tcpd/tcpd.c
+++ b/commands/tcpd/tcpd.c
@@ -40,7 +40,7 @@ static void report(const char *label)
 
 static void sigchld(int sig)
 {
-    while (waitpid(0, NULL, WNOHANG) > 0) {
+    while (waitpid(-1, NULL, WNOHANG) > 0) {
 	if (nchildren > 0) nchildren--;
     }
 }