| kern_shutdown.c (213648) | kern_shutdown.c (214004) |
|---|---|
| 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. --- 21 unchanged lines hidden (view full) --- 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)kern_shutdown.c 8.3 (Berkeley) 1/21/94 35 */ 36 37#include <sys/cdefs.h> | 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. --- 21 unchanged lines hidden (view full) --- 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)kern_shutdown.c 8.3 (Berkeley) 1/21/94 35 */ 36 37#include <sys/cdefs.h> |
| 38__FBSDID("$FreeBSD: head/sys/kern/kern_shutdown.c 213648 2010-10-09 08:07:49Z avg $"); | 38__FBSDID("$FreeBSD: head/sys/kern/kern_shutdown.c 214004 2010-10-18 04:30:27Z marcel $"); |
| 39 40#include "opt_ddb.h" 41#include "opt_kdb.h" 42#include "opt_panic.h" 43#include "opt_show_busybufs.h" 44#include "opt_sched.h" 45 46#include <sys/param.h> --- 81 unchanged lines hidden (view full) --- 128int dumping; /* system is dumping */ 129int rebooting; /* system is rebooting */ 130static struct dumperinfo dumper; /* our selected dumper */ 131 132/* Context information for dump-debuggers. */ 133static struct pcb dumppcb; /* Registers. */ 134static lwpid_t dumptid; /* Thread ID. */ 135 | 39 40#include "opt_ddb.h" 41#include "opt_kdb.h" 42#include "opt_panic.h" 43#include "opt_show_busybufs.h" 44#include "opt_sched.h" 45 46#include <sys/param.h> --- 81 unchanged lines hidden (view full) --- 128int dumping; /* system is dumping */ 129int rebooting; /* system is rebooting */ 130static struct dumperinfo dumper; /* our selected dumper */ 131 132/* Context information for dump-debuggers. */ 133static struct pcb dumppcb; /* Registers. */ 134static lwpid_t dumptid; /* Thread ID. */ 135 |
| 136static void boot(int) __dead2; | |
| 137static void poweroff_wait(void *, int); 138static void shutdown_halt(void *junk, int howto); 139static void shutdown_panic(void *junk, int howto); 140static void shutdown_reset(void *junk, int howto); 141 142/* register various local shutdown events */ 143static void 144shutdown_conf(void *unused) --- 23 unchanged lines hidden (view full) --- 168 error = 0; 169#ifdef MAC 170 error = mac_system_check_reboot(td->td_ucred, uap->opt); 171#endif 172 if (error == 0) 173 error = priv_check(td, PRIV_REBOOT); 174 if (error == 0) { 175 mtx_lock(&Giant); | 136static void poweroff_wait(void *, int); 137static void shutdown_halt(void *junk, int howto); 138static void shutdown_panic(void *junk, int howto); 139static void shutdown_reset(void *junk, int howto); 140 141/* register various local shutdown events */ 142static void 143shutdown_conf(void *unused) --- 23 unchanged lines hidden (view full) --- 167 error = 0; 168#ifdef MAC 169 error = mac_system_check_reboot(td->td_ucred, uap->opt); 170#endif 171 if (error == 0) 172 error = priv_check(td, PRIV_REBOOT); 173 if (error == 0) { 174 mtx_lock(&Giant); |
| 176 boot(uap->opt); | 175 kern_reboot(uap->opt); |
| 177 mtx_unlock(&Giant); 178 } 179 return (error); 180} 181 182/* 183 * Called by events that want to shut down.. e.g <CTL><ALT><DEL> on a PC 184 */ --- 7 unchanged lines hidden (view full) --- 192 193 /* Send a signal to init(8) and have it shutdown the world */ 194 if (initproc != NULL) { 195 PROC_LOCK(initproc); 196 psignal(initproc, SIGINT); 197 PROC_UNLOCK(initproc); 198 } else { 199 /* No init(8) running, so simply reboot */ | 176 mtx_unlock(&Giant); 177 } 178 return (error); 179} 180 181/* 182 * Called by events that want to shut down.. e.g <CTL><ALT><DEL> on a PC 183 */ --- 7 unchanged lines hidden (view full) --- 191 192 /* Send a signal to init(8) and have it shutdown the world */ 193 if (initproc != NULL) { 194 PROC_LOCK(initproc); 195 psignal(initproc, SIGINT); 196 PROC_UNLOCK(initproc); 197 } else { 198 /* No init(8) running, so simply reboot */ |
| 200 boot(RB_NOSYNC); | 199 kern_reboot(RB_NOSYNC); |
| 201 } 202 return; 203} 204static int waittime = -1; 205 206static void 207print_uptime(void) 208{ --- 55 unchanged lines hidden (view full) --- 264 ((bp->b_flags & (B_DELWRI | B_INVAL)) == B_DELWRI)) 265 return (1); 266 return (0); 267} 268 269/* 270 * Shutdown the system cleanly to prepare for reboot, halt, or power off. 271 */ | 200 } 201 return; 202} 203static int waittime = -1; 204 205static void 206print_uptime(void) 207{ --- 55 unchanged lines hidden (view full) --- 263 ((bp->b_flags & (B_DELWRI | B_INVAL)) == B_DELWRI)) 264 return (1); 265 return (0); 266} 267 268/* 269 * Shutdown the system cleanly to prepare for reboot, halt, or power off. 270 */ |
| 272static void 273boot(int howto) | 271void 272kern_reboot(int howto) |
| 274{ 275 static int first_buf_printf = 1; 276 277#if defined(SMP) 278 /* 279 * Bind us to CPU 0 so that all shutdown code runs there. Some 280 * systems don't shutdown properly (i.e., ACPI power off) if we 281 * run on another processor. 282 */ 283 thread_lock(curthread); 284 sched_bind(curthread, 0); 285 thread_unlock(curthread); | 273{ 274 static int first_buf_printf = 1; 275 276#if defined(SMP) 277 /* 278 * Bind us to CPU 0 so that all shutdown code runs there. Some 279 * systems don't shutdown properly (i.e., ACPI power off) if we 280 * run on another processor. 281 */ 282 thread_lock(curthread); 283 sched_bind(curthread, 0); 284 thread_unlock(curthread); |
| 286 KASSERT(PCPU_GET(cpuid) == 0, ("boot: not running on cpu 0")); | 285 KASSERT(PCPU_GET(cpuid) == 0, ("%s: not running on cpu 0", __func__)); |
| 287#endif 288 /* We're in the process of rebooting. */ 289 rebooting = 1; 290 291 /* collect extra flags that shutdown_nice might have set */ 292 howto |= shutdown_howto; 293 294 /* We are out of the debugger now. */ --- 289 unchanged lines hidden (view full) --- 584#endif 585#endif 586 /*thread_lock(td); */ 587 td->td_flags |= TDF_INPANIC; 588 /* thread_unlock(td); */ 589 if (!sync_on_panic) 590 bootopt |= RB_NOSYNC; 591 critical_exit(); | 286#endif 287 /* We're in the process of rebooting. */ 288 rebooting = 1; 289 290 /* collect extra flags that shutdown_nice might have set */ 291 howto |= shutdown_howto; 292 293 /* We are out of the debugger now. */ --- 289 unchanged lines hidden (view full) --- 583#endif 584#endif 585 /*thread_lock(td); */ 586 td->td_flags |= TDF_INPANIC; 587 /* thread_unlock(td); */ 588 if (!sync_on_panic) 589 bootopt |= RB_NOSYNC; 590 critical_exit(); |
| 592 boot(bootopt); | 591 kern_reboot(bootopt); |
| 593} 594 595/* 596 * Support for poweroff delay. 597 * 598 * Please note that setting this delay too short might power off your machine 599 * before the write cache on your hard disk has been flushed, leading to 600 * soft-updates inconsistencies. --- 117 unchanged lines hidden --- | 592} 593 594/* 595 * Support for poweroff delay. 596 * 597 * Please note that setting this delay too short might power off your machine 598 * before the write cache on your hard disk has been flushed, leading to 599 * soft-updates inconsistencies. --- 117 unchanged lines hidden --- |