| kern_poll.c (150968) | kern_poll.c (157815) |
|---|---|
| 1/*- 2 * Copyright (c) 2001-2002 Luigi Rizzo 3 * 4 * Supported by: the Xorp Project (www.xorp.org) 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 12 unchanged lines hidden (view full) --- 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2001-2002 Luigi Rizzo 3 * 4 * Supported by: the Xorp Project (www.xorp.org) 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 12 unchanged lines hidden (view full) --- 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28#include <sys/cdefs.h> |
| 29__FBSDID("$FreeBSD: head/sys/kern/kern_poll.c 150968 2005-10-05 10:09:17Z glebius $"); | 29__FBSDID("$FreeBSD: head/sys/kern/kern_poll.c 157815 2006-04-17 18:20:38Z jhb $"); |
| 30 31#include "opt_device_polling.h" 32 33#include <sys/param.h> 34#include <sys/systm.h> 35#include <sys/kernel.h> 36#include <sys/socket.h> /* needed by net/if.h */ 37#include <sys/sockio.h> --- 534 unchanged lines hidden (view full) --- 572 return (0); 573} 574 575static void 576poll_idle(void) 577{ 578 struct thread *td = curthread; 579 struct rtprio rtp; | 30 31#include "opt_device_polling.h" 32 33#include <sys/param.h> 34#include <sys/systm.h> 35#include <sys/kernel.h> 36#include <sys/socket.h> /* needed by net/if.h */ 37#include <sys/sockio.h> --- 534 unchanged lines hidden (view full) --- 572 return (0); 573} 574 575static void 576poll_idle(void) 577{ 578 struct thread *td = curthread; 579 struct rtprio rtp; |
| 580 int pri; | |
| 581 582 rtp.prio = RTP_PRIO_MAX; /* lowest priority */ 583 rtp.type = RTP_PRIO_IDLE; 584 mtx_lock_spin(&sched_lock); 585 rtp_to_pri(&rtp, td->td_ksegrp); | 580 581 rtp.prio = RTP_PRIO_MAX; /* lowest priority */ 582 rtp.type = RTP_PRIO_IDLE; 583 mtx_lock_spin(&sched_lock); 584 rtp_to_pri(&rtp, td->td_ksegrp); |
| 586 pri = td->td_priority; | |
| 587 mtx_unlock_spin(&sched_lock); 588 589 for (;;) { 590 if (poll_in_idle_loop && poll_handlers > 0) { 591 idlepoll_sleeping = 0; 592 ether_poll(poll_each_burst); 593 mtx_lock_spin(&sched_lock); 594 mi_switch(SW_VOL, NULL); 595 mtx_unlock_spin(&sched_lock); 596 } else { 597 idlepoll_sleeping = 1; | 585 mtx_unlock_spin(&sched_lock); 586 587 for (;;) { 588 if (poll_in_idle_loop && poll_handlers > 0) { 589 idlepoll_sleeping = 0; 590 ether_poll(poll_each_burst); 591 mtx_lock_spin(&sched_lock); 592 mi_switch(SW_VOL, NULL); 593 mtx_unlock_spin(&sched_lock); 594 } else { 595 idlepoll_sleeping = 1; |
| 598 tsleep(&idlepoll_sleeping, pri, "pollid", hz * 3); | 596 tsleep(&idlepoll_sleeping, 0, "pollid", hz * 3); |
| 599 } 600 } 601} 602 603static struct proc *idlepoll; 604static struct kproc_desc idlepoll_kp = { 605 "idlepoll", 606 poll_idle, 607 &idlepoll 608}; 609SYSINIT(idlepoll, SI_SUB_KTHREAD_VM, SI_ORDER_ANY, kproc_start, &idlepoll_kp) | 597 } 598 } 599} 600 601static struct proc *idlepoll; 602static struct kproc_desc idlepoll_kp = { 603 "idlepoll", 604 poll_idle, 605 &idlepoll 606}; 607SYSINIT(idlepoll, SI_SUB_KTHREAD_VM, SI_ORDER_ANY, kproc_start, &idlepoll_kp) |