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 2f86d43921ab58d3ee7b06a40a21763611cb153a..01fa3a194b072f392753b8deab413e6ec023a1fd 100644 (file)
--- 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--;
     }
 }