| kern_shutdown.c (81688) | kern_shutdown.c (82115) |
|---|---|
| 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 * $FreeBSD: head/sys/kern/kern_shutdown.c 81688 2001-08-15 11:35:45Z bde $ | 39 * $FreeBSD: head/sys/kern/kern_shutdown.c 82115 2001-08-21 22:55:20Z jhb $ |
| 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> --- 513 unchanged lines hidden (view full) --- 561void 562panic(const char *fmt, ...) 563{ 564 int bootopt; 565 va_list ap; 566 static char buf[256]; 567 568#ifdef SMP | 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> --- 513 unchanged lines hidden (view full) --- 561void 562panic(const char *fmt, ...) 563{ 564 int bootopt; 565 va_list ap; 566 static char buf[256]; 567 568#ifdef SMP |
| 569 /* Only 1 CPU can panic at a time */ 570 if (panic_cpu != PCPU_GET(cpuid) && 571 atomic_cmpset_int(&panic_cpu, NOCPU, PCPU_GET(cpuid)) == 0) { 572 for (;;) 573 ; /* nothing */ 574 } | 569 /* 570 * We don't want multiple CPU's to panic at the same time, so we 571 * use panic_cpu as a simple spinlock. We have to keep checking 572 * panic_cpu if we are spinning in case the panic on the first 573 * CPU is canceled. 574 */ 575 if (panic_cpu != PCPU_GET(cpuid)) 576 while (atomic_cmpset_int(&panic_cpu, NOCPU, 577 PCPU_GET(cpuid)) == 0) 578 while (panic_cpu != NOCPU) 579 ; /* nothing */ |
| 575#endif 576 577 bootopt = RB_AUTOBOOT | RB_DUMP; 578 if (panicstr) 579 bootopt |= RB_NOSYNC; 580 else 581 panicstr = fmt; 582 --- 9 unchanged lines hidden (view full) --- 592#ifdef APIC_IO 593 printf("lapic.id = %08x\n", lapic.id); 594#endif 595#endif 596 597#if defined(DDB) 598 if (debugger_on_panic) 599 Debugger ("panic"); | 580#endif 581 582 bootopt = RB_AUTOBOOT | RB_DUMP; 583 if (panicstr) 584 bootopt |= RB_NOSYNC; 585 else 586 panicstr = fmt; 587 --- 9 unchanged lines hidden (view full) --- 597#ifdef APIC_IO 598 printf("lapic.id = %08x\n", lapic.id); 599#endif 600#endif 601 602#if defined(DDB) 603 if (debugger_on_panic) 604 Debugger ("panic"); |
| 605 /* See if the user aborted the panic, in which case we continue. */ 606 if (panicstr == NULL) { 607#ifdef SMP 608 atomic_store_rel_int(&panic_cpu, NOCPU); |
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| 600#endif | 609#endif |
| 610 return; 611 } 612#endif |
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| 601 boot(bootopt); 602} 603 604/* 605 * Support for poweroff delay. 606 */ 607#ifndef POWEROFF_DELAY 608# define POWEROFF_DELAY 5000 --- 44 unchanged lines hidden --- | 613 boot(bootopt); 614} 615 616/* 617 * Support for poweroff delay. 618 */ 619#ifndef POWEROFF_DELAY 620# define POWEROFF_DELAY 5000 --- 44 unchanged lines hidden --- |