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Don't mess with already freed structures when a process is being run

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dg 1994-12-12 06:04:27 +00:00
parent 7e73ded5b5
commit 3c26ef89fb
1 changed files with 15 additions and 13 deletions
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28
sys/kern/kern_synch.c
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@ -36,7 +36,7 @@
* SUCH DAMAGE.
*
* @(#)kern_synch.c 8.6 (Berkeley) 1/21/94
* $Id: kern_synch.c,v 1.7 1994/10/02 17:35:18 phk Exp $
* $Id: kern_synch.c,v 1.8 1994/10/18 06:55:39 davidg Exp $
*/
#include <sys/param.h>
@ -574,19 +574,21 @@ mi_switch()
* If over max, kill it. In any case, if it has run for more
* than 10 minutes, reduce priority to give others a chance.
*/
rlim = &p->p_rlimit[RLIMIT_CPU];
if (s >= rlim->rlim_cur) {
if (s >= rlim->rlim_max)
psignal(p, SIGKILL);
else {
psignal(p, SIGXCPU);
if (rlim->rlim_cur < rlim->rlim_max)
rlim->rlim_cur += 5;
if (p->p_stat != SZOMB) {
rlim = &p->p_rlimit[RLIMIT_CPU];
if (s >= rlim->rlim_cur) {
if (s >= rlim->rlim_max)
psignal(p, SIGKILL);
else {
psignal(p, SIGXCPU);
if (rlim->rlim_cur < rlim->rlim_max)
rlim->rlim_cur += 5;
}
}
if (s > 10 * 60 && p->p_ucred->cr_uid && p->p_nice == NZERO) {
p->p_nice = NZERO + 4;
resetpriority(p);
}
}
if (s > 10 * 60 && p->p_ucred->cr_uid && p->p_nice == NZERO) {
p->p_nice = NZERO + 4;
resetpriority(p);
}
/*