| kern_synch.c (81482) | kern_synch.c (81493) |
|---|---|
| 1/*- 2 * Copyright (c) 1982, 1986, 1990, 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. --- 22 unchanged lines hidden (view full) --- 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)kern_synch.c 8.9 (Berkeley) 5/19/95 | 1/*- 2 * Copyright (c) 1982, 1986, 1990, 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. --- 22 unchanged lines hidden (view full) --- 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)kern_synch.c 8.9 (Berkeley) 5/19/95 |
| 39 * $FreeBSD: head/sys/kern/kern_synch.c 81482 2001-08-10 21:08:56Z jhb $ | 39 * $FreeBSD: head/sys/kern/kern_synch.c 81493 2001-08-10 22:53:32Z jhb $ |
| 40 */ 41 42#include "opt_ktrace.h" 43 44#include <sys/param.h> 45#include <sys/systm.h> 46#include <sys/condvar.h> 47#include <sys/kernel.h> --- 56 unchanged lines hidden (view full) --- 104 */ 105void 106maybe_resched(p) 107 struct proc *p; 108{ 109 110 mtx_assert(&sched_lock, MA_OWNED); 111 if (p->p_pri.pri_level < curproc->p_pri.pri_level) | 40 */ 41 42#include "opt_ktrace.h" 43 44#include <sys/param.h> 45#include <sys/systm.h> 46#include <sys/condvar.h> 47#include <sys/kernel.h> --- 56 unchanged lines hidden (view full) --- 104 */ 105void 106maybe_resched(p) 107 struct proc *p; 108{ 109 110 mtx_assert(&sched_lock, MA_OWNED); 111 if (p->p_pri.pri_level < curproc->p_pri.pri_level) |
| 112 need_resched(curproc); | 112 curproc->p_sflag |= PS_NEEDRESCHED; |
| 113} 114 115int 116roundrobin_interval(void) 117{ 118 return (sched_quantum); 119} 120 --- 576 unchanged lines hidden (view full) --- 697 cnt.v_swtch++; 698 PCPU_SET(switchtime, new_switchtime); 699 CTR3(KTR_PROC, "mi_switch: old proc %p (pid %d, %s)", p, p->p_pid, 700 p->p_comm); 701 sched_crit = sched_lock.mtx_savecrit; 702 sched_nest = sched_lock.mtx_recurse; 703 p->p_lastcpu = p->p_oncpu; 704 p->p_oncpu = NOCPU; | 113} 114 115int 116roundrobin_interval(void) 117{ 118 return (sched_quantum); 119} 120 --- 576 unchanged lines hidden (view full) --- 697 cnt.v_swtch++; 698 PCPU_SET(switchtime, new_switchtime); 699 CTR3(KTR_PROC, "mi_switch: old proc %p (pid %d, %s)", p, p->p_pid, 700 p->p_comm); 701 sched_crit = sched_lock.mtx_savecrit; 702 sched_nest = sched_lock.mtx_recurse; 703 p->p_lastcpu = p->p_oncpu; 704 p->p_oncpu = NOCPU; |
| 705 clear_resched(p); | 705 p->p_sflag &= ~PS_NEEDRESCHED; |
| 706 cpu_switch(); 707 p->p_oncpu = PCPU_GET(cpuid); 708 sched_lock.mtx_savecrit = sched_crit; 709 sched_lock.mtx_recurse = sched_nest; 710 sched_lock.mtx_lock = (uintptr_t)p; 711 CTR3(KTR_PROC, "mi_switch: new proc %p (pid %d, %s)", p, p->p_pid, 712 p->p_comm); 713 if (PCPU_GET(switchtime.tv_sec) == 0) --- 132 unchanged lines hidden --- | 706 cpu_switch(); 707 p->p_oncpu = PCPU_GET(cpuid); 708 sched_lock.mtx_savecrit = sched_crit; 709 sched_lock.mtx_recurse = sched_nest; 710 sched_lock.mtx_lock = (uintptr_t)p; 711 CTR3(KTR_PROC, "mi_switch: new proc %p (pid %d, %s)", p, p->p_pid, 712 p->p_comm); 713 if (PCPU_GET(switchtime.tv_sec) == 0) --- 132 unchanged lines hidden --- |