| kern_shutdown.c (42135) | kern_shutdown.c (43436) |
|---|---|
| 1/*- 2 * Copyright (c) 1986, 1988, 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_shutdown.c 8.3 (Berkeley) 1/21/94 | 1/*- 2 * Copyright (c) 1986, 1988, 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_shutdown.c 8.3 (Berkeley) 1/21/94 |
| 39 * $Id: kern_shutdown.c,v 1.43 1998/12/04 22:54:51 archie Exp $ | 39 * $Id: kern_shutdown.c,v 1.44 1998/12/28 23:03:00 msmith Exp $ |
| 40 */ 41 42#include "opt_ddb.h" 43#include "opt_hw_wdog.h" 44#include "opt_panic.h" 45#include "opt_show_busybufs.h" 46 47#include <sys/param.h> --- 35 unchanged lines hidden (view full) --- 83int debugger_on_panic = 0; 84#else 85int debugger_on_panic = 1; 86#endif 87SYSCTL_INT(_debug, OID_AUTO, debugger_on_panic, CTLFLAG_RW, 88 &debugger_on_panic, 0, ""); 89#endif 90 | 40 */ 41 42#include "opt_ddb.h" 43#include "opt_hw_wdog.h" 44#include "opt_panic.h" 45#include "opt_show_busybufs.h" 46 47#include <sys/param.h> --- 35 unchanged lines hidden (view full) --- 83int debugger_on_panic = 0; 84#else 85int debugger_on_panic = 1; 86#endif 87SYSCTL_INT(_debug, OID_AUTO, debugger_on_panic, CTLFLAG_RW, 88 &debugger_on_panic, 0, ""); 89#endif 90 |
| 91SYSCTL_NODE(_kern, OID_AUTO, shutdown, CTLFLAG_RW, 0, "Shutdown environment"); 92 |
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| 91#ifdef HW_WDOG 92/* 93 * If there is a hardware watchdog, point this at the function needed to 94 * hold it off. 95 * It's needed when the kernel needs to do some lengthy operations. 96 * e.g. in wd.c when dumping core.. It's most annoying to have 97 * your precious core-dump only half written because the wdog kicked in. 98 */ --- 366 unchanged lines hidden (view full) --- 465 * at_shutdown_pri(): 466 * Take the arguments given and put them onto the shutdown callout list 467 * with the given execution priority. 468 * returns 0 on success. 469 */ 470int 471at_shutdown_pri(bootlist_fn function, void *arg, int queue, int pri) 472{ | 93#ifdef HW_WDOG 94/* 95 * If there is a hardware watchdog, point this at the function needed to 96 * hold it off. 97 * It's needed when the kernel needs to do some lengthy operations. 98 * e.g. in wd.c when dumping core.. It's most annoying to have 99 * your precious core-dump only half written because the wdog kicked in. 100 */ --- 366 unchanged lines hidden (view full) --- 467 * at_shutdown_pri(): 468 * Take the arguments given and put them onto the shutdown callout list 469 * with the given execution priority. 470 * returns 0 on success. 471 */ 472int 473at_shutdown_pri(bootlist_fn function, void *arg, int queue, int pri) 474{ |
| 473 sle_p ep, ip; | 475 sle_p op, ep, ip; |
| 474 475 if (queue < SHUTDOWN_PRE_SYNC 476 || queue > SHUTDOWN_FINAL) { 477 printf("at_shutdown: bad exit callout queue %d specified\n", 478 queue); 479 return (EINVAL); 480 } 481 if (rm_at_shutdown(function, arg)) --- 5 unchanged lines hidden (view full) --- 487 ep->arg = arg; 488 ep->priority = pri; 489 490 /* Sort into list of items on this queue */ 491 ip = LIST_FIRST(&shutdown_lists[queue]); 492 if (ip == NULL) { 493 LIST_INSERT_HEAD(&shutdown_lists[queue], ep, links); 494 } else { | 476 477 if (queue < SHUTDOWN_PRE_SYNC 478 || queue > SHUTDOWN_FINAL) { 479 printf("at_shutdown: bad exit callout queue %d specified\n", 480 queue); 481 return (EINVAL); 482 } 483 if (rm_at_shutdown(function, arg)) --- 5 unchanged lines hidden (view full) --- 489 ep->arg = arg; 490 ep->priority = pri; 491 492 /* Sort into list of items on this queue */ 493 ip = LIST_FIRST(&shutdown_lists[queue]); 494 if (ip == NULL) { 495 LIST_INSERT_HEAD(&shutdown_lists[queue], ep, links); 496 } else { |
| 495 for (; LIST_NEXT(ip, links) != NULL; ip = LIST_NEXT(ip, links)) { | 497 for (; ip != NULL; op = ip, ip = LIST_NEXT(ip, links)) { |
| 496 if (ep->priority < ip->priority) { 497 LIST_INSERT_BEFORE(ip, ep, links); 498 ep = NULL; 499 break; 500 } 501 } 502 if (ep != NULL) | 498 if (ep->priority < ip->priority) { 499 LIST_INSERT_BEFORE(ip, ep, links); 500 ep = NULL; 501 break; 502 } 503 } 504 if (ep != NULL) |
| 503 LIST_INSERT_AFTER(ip, ep, links); | 505 LIST_INSERT_AFTER(op, ep, links); |
| 504 } 505 return (0); 506} 507 508/* 509 * Scan the exit callout lists for the given items and remove them. 510 * Returns the number of items removed. 511 */ --- 11 unchanged lines hidden (view full) --- 523 LIST_REMOVE(ep, links); 524 free(ep, M_TEMP); 525 count++; 526 } 527 } 528 } 529 return (count); 530} | 506 } 507 return (0); 508} 509 510/* 511 * Scan the exit callout lists for the given items and remove them. 512 * Returns the number of items removed. 513 */ --- 11 unchanged lines hidden (view full) --- 525 LIST_REMOVE(ep, links); 526 free(ep, M_TEMP); 527 count++; 528 } 529 } 530 } 531 return (count); 532} |
| 533 534/* 535 * Support for poweroff delay. 536 */ 537static int poweroff_delay = 0; 538SYSCTL_INT(_kern_shutdown, OID_AUTO, poweroff_delay, CTLFLAG_RW, 539 &poweroff_delay, 0, ""); 540 541static void poweroff_wait(int howto, void *unused) 542{ 543 if(!(howto & RB_POWEROFF) || poweroff_delay <= 0) 544 return; 545 DELAY(poweroff_delay * 1000); 546} 547 548/* 549 * XXX OK? This implies I know SHUTDOWN_PRI_LAST > SHUTDOWN_PRI_FIRST 550 */ 551static void poweroff_conf(void *unused) 552{ 553 at_shutdown_pri(poweroff_wait, NULL, SHUTDOWN_FINAL, SHUTDOWN_PRI_FIRST); 554} 555 556SYSINIT(poweroff_conf, SI_SUB_INTRINSIC, SI_ORDER_ANY, poweroff_conf, NULL) |
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