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missing systrace_lock() around lock operation. sync w/openbsd, provos ok

This commit is contained in:
itojun 2002-07-21 00:25:01 +00:00
parent e3c1695a2b
commit 7f9bb4693b
1 changed files with 8 additions and 2 deletions
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10
sys/kern/kern_systrace.c
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@ -1,4 +1,4 @@
/* $NetBSD: kern_systrace.c,v 1.9 2002/07/20 00:03:08 itojun Exp $ */
/* $NetBSD: kern_systrace.c,v 1.10 2002/07/21 00:25:01 itojun Exp $ */
/*
* Copyright 2002 Niels Provos <provos@citi.umich.edu>
@ -31,7 +31,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_systrace.c,v 1.9 2002/07/20 00:03:08 itojun Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_systrace.c,v 1.10 2002/07/21 00:25:01 itojun Exp $");
#include "opt_systrace.h"
@ -333,7 +333,9 @@ systracef_ioctl(struct file *fp, u_long cmd, caddr_t data, struct proc *p)
if (ret)
return (ret);
systrace_lock();
SYSTRACE_LOCK(fst, curproc);
systrace_unlock();
if (pid) {
strp = systrace_findpid(fst, pid);
if (strp == NULL) {
@ -416,7 +418,9 @@ systracef_select(struct file *fp, int which, struct proc *p)
if (which != FREAD)
return (0);
systrace_lock();
SYSTRACE_LOCK(fst, p);
systrace_unlock();
ready = TAILQ_FIRST(&fst->messages) != NULL;
if (!ready)
selrecord(p, &fst->si);
@ -451,7 +455,9 @@ systracef_close(struct file *fp, struct proc *p)
struct str_process *strp;
struct str_policy *strpol;
systrace_lock();
SYSTRACE_LOCK(fst, curproc);
systrace_unlock();
/* Untrace all processes */
for (strp = TAILQ_FIRST(&fst->processes); strp;