kern_shutdown.c revision 94169
1251881Speter/*- 2251881Speter * Copyright (c) 1986, 1988, 1991, 1993 3251881Speter * The Regents of the University of California. All rights reserved. 4251881Speter * (c) UNIX System Laboratories, Inc. 5251881Speter * All or some portions of this file are derived from material licensed 6251881Speter * to the University of California by American Telephone and Telegraph 7251881Speter * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8251881Speter * the permission of UNIX System Laboratories, Inc. 9251881Speter * 10251881Speter * Redistribution and use in source and binary forms, with or without 11251881Speter * modification, are permitted provided that the following conditions 12251881Speter * are met: 13251881Speter * 1. Redistributions of source code must retain the above copyright 14251881Speter * notice, this list of conditions and the following disclaimer. 15251881Speter * 2. Redistributions in binary form must reproduce the above copyright 16251881Speter * notice, this list of conditions and the following disclaimer in the 17251881Speter * documentation and/or other materials provided with the distribution. 18251881Speter * 3. All advertising materials mentioning features or use of this software 19251881Speter * must display the following acknowledgement: 20251881Speter * This product includes software developed by the University of 21251881Speter * California, Berkeley and its contributors. 22251881Speter * 4. Neither the name of the University nor the names of its contributors 23251881Speter * may be used to endorse or promote products derived from this software 24251881Speter * without specific prior written permission. 25251881Speter * 26251881Speter * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27251881Speter * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28251881Speter * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29251881Speter * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30251881Speter * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31251881Speter * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32251881Speter * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33251881Speter * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34251881Speter * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35251881Speter * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36251881Speter * SUCH DAMAGE. 37251881Speter * 38251881Speter * @(#)kern_shutdown.c 8.3 (Berkeley) 1/21/94 39251881Speter * $FreeBSD: head/sys/kern/kern_shutdown.c 94169 2002-04-08 06:59:13Z phk $ 40251881Speter */ 41251881Speter 42251881Speter#include "opt_ddb.h" 43251881Speter#include "opt_hw_wdog.h" 44251881Speter#include "opt_panic.h" 45251881Speter#include "opt_show_busybufs.h" 46251881Speter 47251881Speter#include <sys/param.h> 48251881Speter#include <sys/systm.h> 49251881Speter#include <sys/bio.h> 50251881Speter#include <sys/buf.h> 51251881Speter#include <sys/conf.h> 52251881Speter#include <sys/cons.h> 53251881Speter#include <sys/disklabel.h> 54251881Speter#include <sys/eventhandler.h> 55251881Speter#include <sys/kernel.h> 56251881Speter#include <sys/kthread.h> 57251881Speter#include <sys/malloc.h> 58251881Speter#include <sys/mount.h> 59251881Speter#include <sys/proc.h> 60251881Speter#include <sys/reboot.h> 61251881Speter#include <sys/resourcevar.h> 62251881Speter#include <sys/smp.h> /* smp_active */ 63251881Speter#include <sys/sysctl.h> 64251881Speter#include <sys/sysproto.h> 65251881Speter#include <sys/vnode.h> 66251881Speter 67251881Speter#include <machine/pcb.h> 68251881Speter#include <machine/md_var.h> 69251881Speter#include <machine/smp.h> 70251881Speter 71251881Speter#include <sys/signalvar.h> 72251881Speter#ifdef DDB 73251881Speter#include <ddb/ddb.h> 74251881Speter#endif 75251881Speter 76251881Speter#ifndef PANIC_REBOOT_WAIT_TIME 77251881Speter#define PANIC_REBOOT_WAIT_TIME 15 /* default to 15 seconds */ 78251881Speter#endif 79251881Speter 80251881Speter/* 81251881Speter * Note that stdarg.h and the ANSI style va_start macro is used for both 82251881Speter * ANSI and traditional C compilers. 83251881Speter */ 84251881Speter#include <machine/stdarg.h> 85251881Speter 86251881Speter#ifdef DDB 87251881Speter#ifdef DDB_UNATTENDED 88251881Speterint debugger_on_panic = 0; 89251881Speter#else 90251881Speterint debugger_on_panic = 1; 91251881Speter#endif 92251881SpeterSYSCTL_INT(_debug, OID_AUTO, debugger_on_panic, CTLFLAG_RW, 93251881Speter &debugger_on_panic, 0, "Run debugger on kernel panic"); 94251881Speter#endif 95251881Speter 96251881Speterint sync_on_panic = 1; 97251881SpeterSYSCTL_INT(_kern, OID_AUTO, sync_on_panic, CTLFLAG_RW, 98251881Speter &sync_on_panic, 0, "Do a sync before rebooting from a panic"); 99251881Speter 100251881SpeterSYSCTL_NODE(_kern, OID_AUTO, shutdown, CTLFLAG_RW, 0, "Shutdown environment"); 101251881Speter 102251881Speter#ifdef HW_WDOG 103251881Speter/* 104251881Speter * If there is a hardware watchdog, point this at the function needed to 105251881Speter * hold it off. 106251881Speter * It's needed when the kernel needs to do some lengthy operations. 107251881Speter * e.g. in wd.c when dumping core.. It's most annoying to have 108251881Speter * your precious core-dump only half written because the wdog kicked in. 109251881Speter */ 110251881Speterwatchdog_tickle_fn wdog_tickler = NULL; 111251881Speter#endif /* HW_WDOG */ 112251881Speter 113251881Speter/* 114251881Speter * Variable panicstr contains argument to first call to panic; used as flag 115251881Speter * to indicate that the kernel has already called panic. 116251881Speter */ 117251881Speterconst char *panicstr; 118251881Speter 119251881Speterint dumping; /* system is dumping */ 120251881Speterstatic struct dumperinfo dumper; /* our selected dumper */ 121251881Speterstatic struct pcb dumppcb; /* "You Are Here" sign for dump-debuggers */ 122251881Speter 123251881Speterstatic void boot(int) __dead2; 124251881Speterstatic void poweroff_wait(void *, int); 125251881Speterstatic void shutdown_halt(void *junk, int howto); 126251881Speterstatic void shutdown_panic(void *junk, int howto); 127251881Speterstatic void shutdown_reset(void *junk, int howto); 128251881Speter 129251881Speter/* register various local shutdown events */ 130251881Speterstatic void 131251881Spetershutdown_conf(void *unused) 132251881Speter{ 133251881Speter EVENTHANDLER_REGISTER(shutdown_final, poweroff_wait, NULL, SHUTDOWN_PRI_FIRST); 134251881Speter EVENTHANDLER_REGISTER(shutdown_final, shutdown_halt, NULL, SHUTDOWN_PRI_LAST + 100); 135251881Speter EVENTHANDLER_REGISTER(shutdown_final, shutdown_panic, NULL, SHUTDOWN_PRI_LAST + 100); 136251881Speter EVENTHANDLER_REGISTER(shutdown_final, shutdown_reset, NULL, SHUTDOWN_PRI_LAST + 200); 137251881Speter} 138251881Speter 139251881SpeterSYSINIT(shutdown_conf, SI_SUB_INTRINSIC, SI_ORDER_ANY, shutdown_conf, NULL) 140251881Speter 141251881Speter/* 142251881Speter * The system call that results in a reboot 143251881Speter * 144251881Speter * MPSAFE 145251881Speter */ 146251881Speter/* ARGSUSED */ 147251881Speterint 148251881Speterreboot(struct thread *td, struct reboot_args *uap) 149251881Speter{ 150251881Speter int error; 151251881Speter 152251881Speter mtx_lock(&Giant); 153251881Speter if ((error = suser(td)) == 0) 154251881Speter boot(uap->opt); 155251881Speter mtx_unlock(&Giant); 156251881Speter return (error); 157251881Speter} 158251881Speter 159251881Speter/* 160262253Speter * Called by events that want to shut down.. e.g <CTL><ALT><DEL> on a PC 161262253Speter */ 162251881Speterstatic int shutdown_howto = 0; 163251881Speter 164251881Spetervoid 165251881Spetershutdown_nice(int howto) 166251881Speter{ 167251881Speter shutdown_howto = howto; 168251881Speter 169251881Speter /* Send a signal to init(8) and have it shutdown the world */ 170251881Speter if (initproc != NULL) { 171251881Speter PROC_LOCK(initproc); 172251881Speter psignal(initproc, SIGINT); 173251881Speter PROC_UNLOCK(initproc); 174251881Speter } else { 175251881Speter /* No init(8) running, so simply reboot */ 176251881Speter boot(RB_NOSYNC); 177251881Speter } 178251881Speter return; 179251881Speter} 180251881Speterstatic int waittime = -1; 181251881Speter 182251881Speterstatic void 183251881Speterprint_uptime(void) 184251881Speter{ 185251881Speter int f; 186251881Speter struct timespec ts; 187251881Speter 188251881Speter getnanouptime(&ts); 189251881Speter printf("Uptime: "); 190251881Speter f = 0; 191251881Speter if (ts.tv_sec >= 86400) { 192251881Speter printf("%ldd", (long)ts.tv_sec / 86400); 193289166Speter ts.tv_sec %= 86400; 194289166Speter f = 1; 195289166Speter } 196289166Speter if (f || ts.tv_sec >= 3600) { 197251881Speter printf("%ldh", (long)ts.tv_sec / 3600); 198251881Speter ts.tv_sec %= 3600; 199251881Speter f = 1; 200251881Speter } 201251881Speter if (f || ts.tv_sec >= 60) { 202251881Speter printf("%ldm", (long)ts.tv_sec / 60); 203251881Speter ts.tv_sec %= 60; 204251881Speter f = 1; 205251881Speter } 206251881Speter printf("%lds\n", (long)ts.tv_sec); 207251881Speter} 208251881Speter 209251881Speterstatic void 210251881Speterdoadump(void) 211251881Speter{ 212251881Speter savectx(&dumppcb); 213251881Speter dumping++; 214251881Speter dumpsys(&dumper); 215251881Speter} 216251881Speter 217251881Speter/* 218251881Speter * Go through the rigmarole of shutting down.. 219251881Speter * this used to be in machdep.c but I'll be dammned if I could see 220251881Speter * anything machine dependant in it. 221251881Speter */ 222251881Speterstatic void 223251881Speterboot(int howto) 224251881Speter{ 225251881Speter 226251881Speter /* collect extra flags that shutdown_nice might have set */ 227251881Speter howto |= shutdown_howto; 228251881Speter 229251881Speter#ifdef DDB 230251881Speter /* We are out of the debugger now. */ 231251881Speter db_active = 0; 232251881Speter#endif 233251881Speter 234251881Speter#ifdef SMP 235251881Speter if (smp_active) 236251881Speter printf("boot() called on cpu#%d\n", PCPU_GET(cpuid)); 237251881Speter#endif 238251881Speter /* 239251881Speter * Do any callouts that should be done BEFORE syncing the filesystems. 240251881Speter */ 241251881Speter EVENTHANDLER_INVOKE(shutdown_pre_sync, howto); 242251881Speter 243251881Speter /* 244251881Speter * Now sync filesystems 245251881Speter */ 246251881Speter if (!cold && (howto & RB_NOSYNC) == 0 && waittime < 0) { 247251881Speter register struct buf *bp; 248251881Speter int iter, nbusy, pbusy; 249251881Speter int subiter; 250251881Speter 251251881Speter waittime = 0; 252251881Speter printf("\nsyncing disks... "); 253251881Speter 254251881Speter sync(&thread0, NULL); 255251881Speter 256251881Speter /* 257251881Speter * With soft updates, some buffers that are 258251881Speter * written will be remarked as dirty until other 259251881Speter * buffers are written. 260251881Speter */ 261251881Speter for (iter = pbusy = 0; iter < 20; iter++) { 262251881Speter nbusy = 0; 263251881Speter for (bp = &buf[nbuf]; --bp >= buf; ) { 264251881Speter if ((bp->b_flags & B_INVAL) == 0 && 265251881Speter BUF_REFCNT(bp) > 0) { 266251881Speter nbusy++; 267251881Speter } else if ((bp->b_flags & (B_DELWRI | B_INVAL)) 268251881Speter == B_DELWRI) { 269251881Speter /* bawrite(bp);*/ 270251881Speter nbusy++; 271251881Speter } 272251881Speter } 273251881Speter if (nbusy == 0) 274251881Speter break; 275251881Speter printf("%d ", nbusy); 276251881Speter if (nbusy < pbusy) 277251881Speter iter = 0; 278251881Speter pbusy = nbusy; 279251881Speter sync(&thread0, NULL); 280251881Speter if (curthread != NULL) { 281251881Speter DROP_GIANT(); 282251881Speter for (subiter = 0; subiter < 50 * iter; subiter++) { 283251881Speter mtx_lock_spin(&sched_lock); 284251881Speter setrunqueue(curthread); 285251881Speter curthread->td_proc->p_stats->p_ru.ru_nvcsw++; 286251881Speter mi_switch(); /* Allow interrupt threads to run */ 287251881Speter mtx_unlock_spin(&sched_lock); 288251881Speter DELAY(1000); 289251881Speter } 290251881Speter PICKUP_GIANT(); 291251881Speter } else 292251881Speter DELAY(50000 * iter); 293251881Speter } 294251881Speter printf("\n"); 295251881Speter /* 296251881Speter * Count only busy local buffers to prevent forcing 297251881Speter * a fsck if we're just a client of a wedged NFS server 298251881Speter */ 299251881Speter nbusy = 0; 300251881Speter for (bp = &buf[nbuf]; --bp >= buf; ) { 301251881Speter if (((bp->b_flags&B_INVAL) == 0 && BUF_REFCNT(bp)) || 302251881Speter ((bp->b_flags & (B_DELWRI|B_INVAL)) == B_DELWRI)) { 303251881Speter if (bp->b_dev == NODEV) { 304251881Speter TAILQ_REMOVE(&mountlist, 305251881Speter bp->b_vp->v_mount, mnt_list); 306251881Speter continue; 307251881Speter } 308251881Speter nbusy++; 309251881Speter#if defined(SHOW_BUSYBUFS) || defined(DIAGNOSTIC) 310251881Speter printf( 311251881Speter "%d: dev:%s, flags:%08lx, blkno:%ld, lblkno:%ld\n", 312251881Speter nbusy, devtoname(bp->b_dev), 313251881Speter bp->b_flags, (long)bp->b_blkno, 314251881Speter (long)bp->b_lblkno); 315251881Speter#endif 316251881Speter } 317251881Speter } 318251881Speter if (nbusy) { 319251881Speter /* 320251881Speter * Failed to sync all blocks. Indicate this and don't 321251881Speter * unmount filesystems (thus forcing an fsck on reboot). 322251881Speter */ 323251881Speter printf("giving up on %d buffers\n", nbusy); 324251881Speter DELAY(5000000); /* 5 seconds */ 325251881Speter } else { 326251881Speter printf("done\n"); 327251881Speter /* 328251881Speter * Unmount filesystems 329251881Speter */ 330251881Speter if (panicstr == 0) 331251881Speter vfs_unmountall(); 332251881Speter } 333251881Speter DELAY(100000); /* wait for console output to finish */ 334251881Speter } 335251881Speter 336251881Speter print_uptime(); 337251881Speter 338251881Speter /* 339251881Speter * Ok, now do things that assume all filesystem activity has 340251881Speter * been completed. 341251881Speter */ 342251881Speter EVENTHANDLER_INVOKE(shutdown_post_sync, howto); 343251881Speter splhigh(); 344251881Speter if ((howto & (RB_HALT|RB_DUMP)) == RB_DUMP && 345251881Speter !cold && dumper.dumper != NULL && !dumping) 346251881Speter doadump(); 347251881Speter 348251881Speter /* Now that we're going to really halt the system... */ 349251881Speter EVENTHANDLER_INVOKE(shutdown_final, howto); 350251881Speter 351251881Speter for(;;) ; /* safety against shutdown_reset not working */ 352251881Speter /* NOTREACHED */ 353251881Speter} 354251881Speter 355251881Speter/* 356251881Speter * If the shutdown was a clean halt, behave accordingly. 357251881Speter */ 358251881Speterstatic void 359251881Spetershutdown_halt(void *junk, int howto) 360251881Speter{ 361251881Speter if (howto & RB_HALT) { 362251881Speter printf("\n"); 363251881Speter printf("The operating system has halted.\n"); 364251881Speter printf("Please press any key to reboot.\n\n"); 365251881Speter switch (cngetc()) { 366251881Speter case -1: /* No console, just die */ 367251881Speter cpu_halt(); 368251881Speter /* NOTREACHED */ 369251881Speter default: 370251881Speter howto &= ~RB_HALT; 371251881Speter break; 372251881Speter } 373251881Speter } 374251881Speter} 375251881Speter 376251881Speter/* 377251881Speter * Check to see if the system paniced, pause and then reboot 378251881Speter * according to the specified delay. 379251881Speter */ 380251881Speterstatic void 381251881Spetershutdown_panic(void *junk, int howto) 382251881Speter{ 383251881Speter int loop; 384251881Speter 385251881Speter if (howto & RB_DUMP) { 386251881Speter if (PANIC_REBOOT_WAIT_TIME != 0) { 387251881Speter if (PANIC_REBOOT_WAIT_TIME != -1) { 388251881Speter printf("Automatic reboot in %d seconds - " 389251881Speter "press a key on the console to abort\n", 390251881Speter PANIC_REBOOT_WAIT_TIME); 391251881Speter for (loop = PANIC_REBOOT_WAIT_TIME * 10; 392251881Speter loop > 0; --loop) { 393251881Speter DELAY(1000 * 100); /* 1/10th second */ 394251881Speter /* Did user type a key? */ 395251881Speter if (cncheckc() != -1) 396251881Speter break; 397251881Speter } 398251881Speter if (!loop) 399251881Speter return; 400251881Speter } 401251881Speter } else { /* zero time specified - reboot NOW */ 402251881Speter return; 403251881Speter } 404251881Speter printf("--> Press a key on the console to reboot,\n"); 405251881Speter printf("--> or switch off the system now.\n"); 406251881Speter cngetc(); 407251881Speter } 408251881Speter} 409251881Speter 410251881Speter/* 411251881Speter * Everything done, now reset 412251881Speter */ 413251881Speterstatic void 414251881Spetershutdown_reset(void *junk, int howto) 415251881Speter{ 416251881Speter printf("Rebooting...\n"); 417251881Speter DELAY(1000000); /* wait 1 sec for printf's to complete and be read */ 418251881Speter /* cpu_boot(howto); */ /* doesn't do anything at the moment */ 419251881Speter cpu_reset(); 420251881Speter /* NOTREACHED */ /* assuming reset worked */ 421251881Speter} 422251881Speter 423251881Speter#ifdef SMP 424251881Speterstatic u_int panic_cpu = NOCPU; 425251881Speter#endif 426251881Speter 427251881Speter/* 428251881Speter * Panic is called on unresolvable fatal errors. It prints "panic: mesg", 429251881Speter * and then reboots. If we are called twice, then we avoid trying to sync 430251881Speter * the disks as this often leads to recursive panics. 431251881Speter * 432251881Speter * MPSAFE 433251881Speter */ 434251881Spetervoid 435251881Speterpanic(const char *fmt, ...) 436251881Speter{ 437251881Speter int bootopt; 438251881Speter va_list ap; 439251881Speter static char buf[256]; 440251881Speter 441251881Speter#ifdef SMP 442251881Speter /* 443251881Speter * We don't want multiple CPU's to panic at the same time, so we 444251881Speter * use panic_cpu as a simple spinlock. We have to keep checking 445251881Speter * panic_cpu if we are spinning in case the panic on the first 446251881Speter * CPU is canceled. 447251881Speter */ 448251881Speter if (panic_cpu != PCPU_GET(cpuid)) 449251881Speter while (atomic_cmpset_int(&panic_cpu, NOCPU, 450251881Speter PCPU_GET(cpuid)) == 0) 451251881Speter while (panic_cpu != NOCPU) 452251881Speter ; /* nothing */ 453251881Speter#endif 454251881Speter 455251881Speter bootopt = RB_AUTOBOOT | RB_DUMP; 456251881Speter if (panicstr) 457251881Speter bootopt |= RB_NOSYNC; 458251881Speter else 459251881Speter panicstr = fmt; 460251881Speter 461251881Speter va_start(ap, fmt); 462251881Speter (void)vsnprintf(buf, sizeof(buf), fmt, ap); 463251881Speter if (panicstr == fmt) 464251881Speter panicstr = buf; 465251881Speter va_end(ap); 466251881Speter printf("panic: %s\n", buf); 467251881Speter#ifdef SMP 468251881Speter /* two separate prints in case of an unmapped page and trap */ 469251881Speter printf("cpuid = %d; ", PCPU_GET(cpuid)); 470251881Speter#ifdef APIC_IO 471251881Speter printf("lapic.id = %08x\n", lapic.id); 472251881Speter#endif 473251881Speter#endif 474251881Speter 475251881Speter#if defined(DDB) 476251881Speter if (debugger_on_panic) 477251881Speter Debugger ("panic"); 478251881Speter#ifdef RESTARTABLE_PANICS 479251881Speter /* See if the user aborted the panic, in which case we continue. */ 480251881Speter if (panicstr == NULL) { 481251881Speter#ifdef SMP 482251881Speter atomic_store_rel_int(&panic_cpu, NOCPU); 483251881Speter#endif 484251881Speter return; 485251881Speter } 486251881Speter#endif 487251881Speter#endif 488251881Speter if (!sync_on_panic) 489251881Speter bootopt |= RB_NOSYNC; 490251881Speter boot(bootopt); 491251881Speter} 492251881Speter 493251881Speter/* 494251881Speter * Support for poweroff delay. 495251881Speter */ 496251881Speter#ifndef POWEROFF_DELAY 497251881Speter# define POWEROFF_DELAY 5000 498251881Speter#endif 499251881Speterstatic int poweroff_delay = POWEROFF_DELAY; 500251881Speter 501251881SpeterSYSCTL_INT(_kern_shutdown, OID_AUTO, poweroff_delay, CTLFLAG_RW, 502251881Speter &poweroff_delay, 0, ""); 503251881Speter 504251881Speterstatic void 505251881Speterpoweroff_wait(void *junk, int howto) 506251881Speter{ 507251881Speter if(!(howto & RB_POWEROFF) || poweroff_delay <= 0) 508251881Speter return; 509251881Speter DELAY(poweroff_delay * 1000); 510251881Speter} 511251881Speter 512251881Speter/* 513251881Speter * Some system processes (e.g. syncer) need to be stopped at appropriate 514251881Speter * points in their main loops prior to a system shutdown, so that they 515251881Speter * won't interfere with the shutdown process (e.g. by holding a disk buf 516251881Speter * to cause sync to fail). For each of these system processes, register 517251881Speter * shutdown_kproc() as a handler for one of shutdown events. 518251881Speter */ 519251881Speterstatic int kproc_shutdown_wait = 60; 520251881SpeterSYSCTL_INT(_kern_shutdown, OID_AUTO, kproc_shutdown_wait, CTLFLAG_RW, 521251881Speter &kproc_shutdown_wait, 0, ""); 522251881Speter 523251881Spetervoid 524251881Speterkproc_shutdown(void *arg, int howto) 525251881Speter{ 526251881Speter struct proc *p; 527251881Speter int error; 528251881Speter 529251881Speter if (panicstr) 530251881Speter return; 531251881Speter 532251881Speter p = (struct proc *)arg; 533251881Speter printf("Waiting (max %d seconds) for system process `%s' to stop...", 534251881Speter kproc_shutdown_wait, p->p_comm); 535251881Speter error = kthread_suspend(p, kproc_shutdown_wait * hz); 536251881Speter 537251881Speter if (error == EWOULDBLOCK) 538251881Speter printf("timed out\n"); 539251881Speter else 540251881Speter printf("stopped\n"); 541251881Speter} 542251881Speter 543251881Speter/* Registration of dumpers */ 544251881Speterint 545251881Speterset_dumper(struct dumperinfo *di) 546251881Speter{ 547251881Speter if (di == NULL) { 548251881Speter bzero(&dumper, sizeof dumper); 549251881Speter return (0); 550251881Speter } 551251881Speter if (dumper.dumper != NULL) 552251881Speter return (EBUSY); 553251881Speter dumper = *di; 554251881Speter return (0); 555251881Speter} 556251881Speter 557251881Speter#if !defined(__i386__) && !defined(__ia64__) 558251881Spetervoid 559251881Speterdumpsys(struct dumperinfo *di __unused) 560251881Speter{ 561251881Speter 562251881Speter printf("Kernel dumps not implemented on this architecture\n"); 563251881Speter} 564251881Speter#endif 565251881Speter