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Improved killproc() log message and made it and the other similar message

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tolerant of p_ucred being invalid. Starting using killproc() where
appropriate.
This commit is contained in:
David Greenman 1996-01-31 12:44:33 +00:00
parent 8c73da1e15
commit 729b1e5149
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=13788
4 changed files with 14 additions and 15 deletions
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15
sys/kern/kern_sig.c
View file

@ -36,7 +36,7 @@
* SUCH DAMAGE.
*
* @(#)kern_sig.c 8.7 (Berkeley) 4/18/94
* $Id: kern_sig.c,v 1.16 1995/12/14 08:31:32 phk Exp $
* $Id: kern_sig.c,v 1.17 1996/01/03 21:42:09 wollman Exp $
*/
#include "opt_ktrace.h"
@ -73,8 +73,6 @@
static int coredump __P((struct proc *p));
static int killpg1 __P((struct proc *cp, int signum, int pgid, int all));
/* XXX killproc may be a supported interface, but it isn't used anywhere... */
static void killproc __P((struct proc *p, char *why));
static void stop __P((struct proc *));
/*
@ -1150,9 +1148,8 @@ killproc(p, why)
struct proc *p;
char *why;
{
log(LOG_ERR, "pid %d was killed: %s\n", p->p_pid, why);
uprintf("sorry, pid %d was killed: %s\n", p->p_pid, why);
log(LOG_ERR, "pid %d (%s), uid %d, was killed: %s\n", p->p_pid, p->p_comm,
p->p_cred && p->p_ucred ? p->p_ucred->cr_uid : -1, why);
psignal(p, SIGKILL);
}
@ -1179,8 +1176,10 @@ sigexit(p, signum)
* these messages.)
* XXX : Todo, as well as euid, write out ruid too
*/
log(LOG_INFO, "pid %d: %s: uid %d: exited on signal %d\n",
p->p_pid, p->p_comm, p->p_ucred->cr_uid, signum);
log(LOG_INFO, "pid %d (%s), uid %d: exited on signal %d\n",
p->p_pid, p->p_comm,
p->p_cred && p->p_ucred ? p->p_ucred->cr_uid : -1,
signum);
if (coredump(p) == 0)
signum |= WCOREFLAG;
}

4
sys/kern/kern_synch.c
View file

@ -36,7 +36,7 @@
* SUCH DAMAGE.
*
* @(#)kern_synch.c 8.6 (Berkeley) 1/21/94
* $Id: kern_synch.c,v 1.16 1995/12/07 12:46:51 davidg Exp $
* $Id: kern_synch.c,v 1.17 1996/01/03 21:42:12 wollman Exp $
*/
#include "opt_ktrace.h"
@ -586,7 +586,7 @@ mi_switch()
rlim = &p->p_rlimit[RLIMIT_CPU];
if (s >= rlim->rlim_cur) {
if (s >= rlim->rlim_max)
psignal(p, SIGKILL);
killproc(p, "exceeded maximum CPU limit");
else {
psignal(p, SIGXCPU);
if (rlim->rlim_cur < rlim->rlim_max)

5
sys/sys/signalvar.h
View file

@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)signalvar.h 8.3 (Berkeley) 1/4/94
* $Id: signalvar.h,v 1.7 1995/11/19 00:51:29 bde Exp $
* $Id: signalvar.h,v 1.8 1995/12/14 08:32:34 phk Exp $
*/
#ifndef _SYS_SIGNALVAR_H_ /* tmp for user.h */
@ -154,9 +154,10 @@ static int sigprop[NSIG + 1] = {
void execsigs __P((struct proc *p));
void gsignal __P((int pgid, int sig));
int issig __P((struct proc *p));
int issignal __P((struct proc *p));
void killproc __P((struct proc *, char *));
void pgsignal __P((struct pgrp *pgrp, int sig, int checkctty));
void postsig __P((int sig));
int issignal __P((struct proc *p));
void psignal __P((struct proc *p, int sig));
void setsigvec __P((struct proc *, int, struct sigaction *));
void sigexit __P((struct proc *, int));

5
sys/vm/vm_pageout.c
View file

@ -65,7 +65,7 @@
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*
* $Id: vm_pageout.c,v 1.63 1995/12/14 09:55:09 phk Exp $
* $Id: vm_pageout.c,v 1.64 1996/01/19 04:00:23 dyson Exp $
*/
/*
@ -828,8 +828,7 @@ vm_pageout_scan()
}
}
if (bigproc != NULL) {
printf("Process %lu killed by vm_pageout -- out of swap\n", (u_long) bigproc->p_pid);
psignal(bigproc, SIGKILL);
killproc(bigproc, "out of swap space");
bigproc->p_estcpu = 0;
bigproc->p_nice = PRIO_MIN;
resetpriority(bigproc);