| kern_clock.c (72200) | kern_clock.c (72238) |
|---|---|
| 1/*- 2 * Copyright (c) 1982, 1986, 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_clock.c 8.5 (Berkeley) 1/21/94 | 1/*- 2 * Copyright (c) 1982, 1986, 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_clock.c 8.5 (Berkeley) 1/21/94 |
| 39 * $FreeBSD: head/sys/kern/kern_clock.c 72200 2001-02-09 06:11:45Z bmilekic $ | 39 * $FreeBSD: head/sys/kern/kern_clock.c 72238 2001-02-09 17:46:35Z jhb $ |
| 40 */ 41 42#include "opt_ntp.h" 43 44#include <sys/param.h> 45#include <sys/systm.h> 46#include <sys/dkstat.h> 47#include <sys/callout.h> --- 156 unchanged lines hidden (view full) --- 204 ticks++; 205 if (TAILQ_FIRST(&callwheel[ticks & callwheelmask]) != NULL) { 206 need_softclock = 1; 207 } else if (softticks + 1 == ticks) 208 ++softticks; 209 mtx_unlock_spin(&callout_lock); 210 211 /* | 40 */ 41 42#include "opt_ntp.h" 43 44#include <sys/param.h> 45#include <sys/systm.h> 46#include <sys/dkstat.h> 47#include <sys/callout.h> --- 156 unchanged lines hidden (view full) --- 204 ticks++; 205 if (TAILQ_FIRST(&callwheel[ticks & callwheelmask]) != NULL) { 206 need_softclock = 1; 207 } else if (softticks + 1 == ticks) 208 ++softticks; 209 mtx_unlock_spin(&callout_lock); 210 211 /* |
| 212 * sched_swi acquires sched_lock, so we don't want to call it with | 212 * swi_sched acquires sched_lock, so we don't want to call it with |
| 213 * callout_lock held; incorrect locking order. 214 */ 215 if (need_softclock) | 213 * callout_lock held; incorrect locking order. 214 */ 215 if (need_softclock) |
| 216 sched_swi(softclock_ih, SWI_NOSWITCH); | 216 swi_sched(softclock_ih, SWI_NOSWITCH); |
| 217} 218 219/* 220 * Compute number of ticks in the specified amount of time. 221 */ 222int 223tvtohz(tv) 224 struct timeval *tv; --- 236 unchanged lines hidden --- | 217} 218 219/* 220 * Compute number of ticks in the specified amount of time. 221 */ 222int 223tvtohz(tv) 224 struct timeval *tv; --- 236 unchanged lines hidden --- |