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kern_acct.c (170174) kern_acct.c (170307)
1/*-
2 * Copyright (c) 1982, 1986, 1989, 1993
3 * The Regents of the University of California. All rights reserved.
4 * (c) UNIX System Laboratories, Inc.
5 * Copyright (c) 2005 Robert N. M. Watson
6 * All rights reserved.
7 *
8 * All or some portions of this file are derived from material licensed

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63 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
64 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
65 * SUCH DAMAGE.
66 *
67 * @(#)kern_acct.c 8.1 (Berkeley) 6/14/93
68 */
69
70#include <sys/cdefs.h>
1/*-
2 * Copyright (c) 1982, 1986, 1989, 1993
3 * The Regents of the University of California. All rights reserved.
4 * (c) UNIX System Laboratories, Inc.
5 * Copyright (c) 2005 Robert N. M. Watson
6 * All rights reserved.
7 *
8 * All or some portions of this file are derived from material licensed

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63 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
64 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
65 * SUCH DAMAGE.
66 *
67 * @(#)kern_acct.c 8.1 (Berkeley) 6/14/93
68 */
69
70#include <sys/cdefs.h>
71__FBSDID("$FreeBSD: head/sys/kern/kern_acct.c 170174 2007-06-01 01:12:45Z jeff $");
71__FBSDID("$FreeBSD: head/sys/kern/kern_acct.c 170307 2007-06-05 00:00:57Z jeff $");
72
73#include "opt_mac.h"
74
75#include <sys/param.h>
76#include <sys/systm.h>
77#include <sys/acct.h>
78#include <sys/fcntl.h>
79#include <sys/kernel.h>

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607 */
608static void
609acct_thread(void *dummy)
610{
611 u_char pri;
612
613 /* This is a low-priority kernel thread. */
614 pri = PRI_MAX_KERN;
72
73#include "opt_mac.h"
74
75#include <sys/param.h>
76#include <sys/systm.h>
77#include <sys/acct.h>
78#include <sys/fcntl.h>
79#include <sys/kernel.h>

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607 */
608static void
609acct_thread(void *dummy)
610{
611 u_char pri;
612
613 /* This is a low-priority kernel thread. */
614 pri = PRI_MAX_KERN;
615 mtx_lock_spin(&sched_lock);
615 thread_lock(curthread);
616 sched_prio(curthread, pri);
616 sched_prio(curthread, pri);
617 mtx_unlock_spin(&sched_lock);
617 thread_unlock(curthread);
618
619 /* If another accounting kthread is already running, just die. */
620 sx_xlock(&acct_sx);
621 if (acct_state & ACCT_RUNNING) {
622 sx_xunlock(&acct_sx);
623 kthread_exit(0);
624 }
625 acct_state |= ACCT_RUNNING;

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618
619 /* If another accounting kthread is already running, just die. */
620 sx_xlock(&acct_sx);
621 if (acct_state & ACCT_RUNNING) {
622 sx_xunlock(&acct_sx);
623 kthread_exit(0);
624 }
625 acct_state |= ACCT_RUNNING;

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