From d4df58a7bc400f4d07b99cf44dd6e94c8b806de3 Mon Sep 17 00:00:00 2001
From: joerg <joerg@FreeBSD.org>
Date: Tue, 28 Jul 1998 22:34:12 +0000
Subject: Make the logging of abnormally exiting processes optional by a
 sysctl. PR:		kern/1711 Submitted by:	Nick Sayer <nsayer@kfu.com>

---
 sys/kern/kern_sig.c | 17 +++++++++++------
 sys/sys/sysctl.h    |  6 ++++--
 2 files changed, 15 insertions(+), 8 deletions(-)

diff --git a/sys/kern/kern_sig.c b/sys/kern/kern_sig.c
index 403b45e..f3dadae 100644
--- a/sys/kern/kern_sig.c
+++ b/sys/kern/kern_sig.c
@@ -36,7 +36,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)kern_sig.c	8.7 (Berkeley) 4/18/94
- * $Id: kern_sig.c,v 1.43 1998/07/08 06:38:39 sef Exp $
+ * $Id: kern_sig.c,v 1.44 1998/07/15 02:32:09 bde Exp $
  */
 
 #include "opt_compat.h"
@@ -82,6 +82,9 @@ static void setsigvec	__P((struct proc *p, int signum, struct sigaction *sa));
 static void stop	__P((struct proc *));
 static char *expand_name	__P((const char*, int, int));
 
+static int	kern_logsigexit = 1;
+SYSCTL_INT(_kern, KERN_LOGSIGEXIT, logsigexit, CTLFLAG_RW, &kern_logsigexit, 0, "");
+
 /*
  * Can process p, with pcred pc, send the signal signum to process q?
  */
@@ -1238,11 +1241,13 @@ sigexit(p, signum)
 		 */
 		if (coredump(p) == 0)
 			signum |= WCOREFLAG;
-		log(LOG_INFO, "pid %d (%s), uid %d: exited on signal %d%s\n",
-			p->p_pid, p->p_comm,
-			p->p_cred && p->p_ucred ? p->p_ucred->cr_uid : -1,
-			signum &~ WCOREFLAG,
-			signum & WCOREFLAG ? " (core dumped)" : "");
+		if (kern_logsigexit)
+			log(LOG_INFO,
+			    "pid %d (%s), uid %d: exited on signal %d%s\n",
+			    p->p_pid, p->p_comm,
+			    p->p_cred && p->p_ucred ? p->p_ucred->cr_uid : -1,
+			    signum &~ WCOREFLAG,
+			    signum & WCOREFLAG ? " (core dumped)" : "");
 	}
 	exit1(p, W_EXITCODE(0, signum));
 	/* NOTREACHED */
diff --git a/sys/sys/sysctl.h b/sys/sys/sysctl.h
index 50cd3bd..90cb92c 100644
--- a/sys/sys/sysctl.h
+++ b/sys/sys/sysctl.h
@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)sysctl.h	8.1 (Berkeley) 6/2/93
- * $Id: sysctl.h,v 1.59 1998/03/28 11:50:55 dufault Exp $
+ * $Id: sysctl.h,v 1.60 1998/04/24 04:15:52 dg Exp $
  */
 
 #ifndef _SYS_SYSCTL_H_
@@ -234,7 +234,8 @@ int sysctl_handle_opaque SYSCTL_HANDLER_ARGS;
 #define	KERN_DUMMY		31	/* unused */
 #define	KERN_PS_STRINGS		32	/* int: address of PS_STRINGS */
 #define	KERN_USRSTACK		33	/* int: address of USRSTACK */
-#define KERN_MAXID		34      /* number of valid kern ids */
+#define	KERN_LOGSIGEXIT		34	/* int: do we log sigexit procs? */
+#define KERN_MAXID		35      /* number of valid kern ids */
 
 #define CTL_KERN_NAMES { \
 	{ 0, 0 }, \
@@ -271,6 +272,7 @@ int sysctl_handle_opaque SYSCTL_HANDLER_ARGS;
 	{ "dummy", CTLTYPE_INT }, \
 	{ "ps_strings", CTLTYPE_INT }, \
 	{ "usrstack", CTLTYPE_INT }, \
+	{ "logsigexit", CTLTYPE_INT }, \
 }
 
 /*
-- 
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