Mercurial > illumos > illumos-gate
changeset 9817:32ca8e40f33a
6805959 peruser nscd doesn't reap child processes after these exited, such child processes remain as zombies
| author | Sreedhar Chalamalasetti - Sun Microsystems - Bangalore India <Sreedhar.Chalamalasetti@Sun.COM> |
|---|---|
| date | Tue, 09 Jun 2009 00:32:33 +0530 |
| parents | 847676ec1c5b |
| children | 814f951ec644 |
| files | usr/src/cmd/nscd/server.c |
| diffstat | 1 files changed, 9 insertions(+), 3 deletions(-) [+] |
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--- a/usr/src/cmd/nscd/server.c Mon Jun 08 10:35:50 2009 -0700 +++ b/usr/src/cmd/nscd/server.c Tue Jun 09 00:32:33 2009 +0530 @@ -19,12 +19,10 @@ * CDDL HEADER END */ /* - * Copyright 2007 Sun Microsystems, Inc. All rights reserved. + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ -#pragma ident "%Z%%M% %I% %E% SMI" - /* * Simple doors name server cache daemon */ @@ -39,6 +37,7 @@ #include <sys/stat.h> #include <tsol/label.h> #include <zone.h> +#include <signal.h> #include "cache.h" #include "nscd_log.h" #include "nscd_selfcred.h" @@ -436,6 +435,13 @@ detachfromtty(); } } else { /* NSCD_FORKER */ + /* + * To avoid PUN (Per User Nscd) processes from becoming + * zombies after they exit, the forking nscd should + * ignore the SIGCLD signal so that it does not + * need to wait for every child PUN to exit. + */ + (void) signal(SIGCLD, SIG_IGN); (void) open("/dev/null", O_RDWR, 0); (void) dup(0); if (_logfd != 2)