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Use sigaction(2) to setup automatic disposal of child processes after

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daemonizing. This is more portable and avoids zombie "rpc.statd"
processes after an NFS client running e.g. Mac OS X shuts down.

Reviewed by christos@.
This commit is contained in:
tron 2006-03-28 15:21:00 +00:00
parent 58c31114a4
commit 0b2d4e954a
1 changed files with 8 additions and 7 deletions
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15
usr.sbin/rpc.statd/statd.c
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@ -1,4 +1,4 @@
/* $NetBSD: statd.c,v 1.26 2006/03/17 02:41:31 elad Exp $ */
/* $NetBSD: statd.c,v 1.27 2006/03/28 15:21:00 tron Exp $ */
/*
* Copyright (c) 1997 Christos Zoulas. All rights reserved.
@ -37,7 +37,7 @@
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: statd.c,v 1.26 2006/03/17 02:41:31 elad Exp $");
__RCSID("$NetBSD: statd.c,v 1.27 2006/03/28 15:21:00 tron Exp $");
#endif
/* main() function for status monitor daemon. Some of the code in this */
@ -101,11 +101,6 @@ main(argc, argv)
struct sigaction nsa;
int maxrec = RPC_MAXDATASIZE;
sigemptyset(&nsa.sa_mask);
nsa.sa_flags = SA_NOCLDSTOP|SA_NOCLDWAIT;
nsa.sa_handler = SIG_IGN;
(void)sigaction(SIGCHLD, &nsa, NULL);
while ((ch = getopt(argc, argv, "d")) != (-1)) {
switch (ch) {
case 'd':
@ -140,6 +135,12 @@ main(argc, argv)
*/
if (!debug)
daemon(0, 0);
sigemptyset(&nsa.sa_mask);
nsa.sa_flags = SA_NOCLDSTOP|SA_NOCLDWAIT;
nsa.sa_handler = SIG_IGN;
(void)sigaction(SIGCHLD, &nsa, NULL);
pidfile(NULL);
openlog("rpc.statd", 0, LOG_DAEMON);
if (debug)