* Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
+ *
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
- *
+ *
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
+ *
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
- *
+ *
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
#include <sys/conf.h>
#include <sys/vnode_internal.h>
#include <sys/file_internal.h>
-#include <sys/clist.h>
-#include <sys/callout.h>
#include <sys/mbuf.h>
#include <sys/msgbuf.h>
#include <sys/ioctl.h>
#include <security/audit/audit.h>
-#include <kern/sched_prim.h> /* for thread_block() */
-#include <kern/host.h> /* for host_priv_self() */
-#include <net/if_var.h> /* for if_down_all() */
-#include <sys/buf_internal.h> /* for count_busy_buffers() */
-#include <sys/mount_internal.h> /* for vfs_unmountall() */
-#include <mach/task.h> /* for task_suspend() */
-#include <sys/sysproto.h> /* abused for sync() */
-#include <kern/clock.h> /* for delay_for_interval() */
+#include <kern/sched_prim.h> /* for thread_block() */
+#include <kern/host.h> /* for host_priv_self() */
+#include <net/if_var.h> /* for if_down_all() */
+#include <sys/buf_internal.h> /* for count_busy_buffers() */
+#include <sys/mount_internal.h> /* for vfs_unmountall() */
+#include <mach/task.h> /* for task_suspend() */
+#include <sys/sysproto.h> /* abused for sync() */
+#include <kern/clock.h> /* for delay_for_interval() */
#include <libkern/OSAtomic.h>
+#include <IOKit/IOPlatformExpert.h>
#include <sys/kdebug.h>
uint32_t system_inshutdown = 0;
+#if XNU_TARGET_OS_OSX
/* XXX should be in a header file somewhere, but isn't */
-extern void md_prepare_for_shutdown(int, int, char *);
extern void (*unmountroot_pre_hook)(void);
+#endif
unsigned int proc_shutdown_exitcount = 0;
static int sd_closelog(vfs_context_t);
static void sd_log(vfs_context_t, const char *, ...);
static void proc_shutdown(void);
+static void zprint_panic_info(void);
+extern void halt_log_enter(const char * what, const void * pc, uint64_t time);
-extern void IOSystemShutdownNotification(void);
+#if DEVELOPMENT || DEBUG
+extern boolean_t kdp_has_polled_corefile(void);
+#endif /* DEVELOPMENT || DEBUG */
-struct sd_filterargs{
+struct sd_filterargs {
int delayterm;
int shutdownstate;
};
struct sd_iterargs {
- int signo; /* the signal to be posted */
- int setsdstate; /* shutdown state to be set */
- int countproc; /* count processes on action */
- int activecount; /* number of processes on which action was done */
+ int signo; /* the signal to be posted */
+ int setsdstate; /* shutdown state to be set */
+ int countproc; /* count processes on action */
+ int activecount; /* number of processes on which action was done */
};
static vnode_t sd_logvp = NULLVP;
static int sd_filt1(proc_t, void *);
static int sd_filt2(proc_t, void *);
-static int sd_callback1(proc_t p, void * arg);
-static int sd_callback2(proc_t p, void * arg);
-static int sd_callback3(proc_t p, void * arg);
+static int sd_callback1(proc_t p, void * arg);
+static int sd_callback2(proc_t p, void * arg);
+static int sd_callback3(proc_t p, void * arg);
+
+extern boolean_t panic_include_zprint;
+extern mach_memory_info_t *panic_kext_memory_info;
+extern vm_size_t panic_kext_memory_size;
+
+static void
+zprint_panic_info(void)
+{
+ unsigned int num_sites;
+ kern_return_t kr;
+
+ panic_include_zprint = TRUE;
+ panic_kext_memory_info = NULL;
+ panic_kext_memory_size = 0;
+
+ num_sites = vm_page_diagnose_estimate();
+ panic_kext_memory_size = num_sites * sizeof(panic_kext_memory_info[0]);
+
+ kr = kmem_alloc(kernel_map, (vm_offset_t *)&panic_kext_memory_info, round_page(panic_kext_memory_size), VM_KERN_MEMORY_OSFMK);
+ if (kr != KERN_SUCCESS) {
+ panic_kext_memory_info = NULL;
+ return;
+ }
+
+ vm_page_diagnose(panic_kext_memory_info, num_sites, 0);
+}
int
-boot(int paniced, int howto, char *command)
+get_system_inshutdown()
{
- struct proc *p = current_proc(); /* XXX */
- int hostboot_option=0;
+ return system_inshutdown;
+}
+
+__abortlike
+static void
+panic_kernel(int howto, char *message)
+{
+ if ((howto & RB_PANIC_ZPRINT) == RB_PANIC_ZPRINT) {
+ zprint_panic_info();
+ }
+ panic("userspace panic: %s", message);
+}
+
+extern boolean_t compressor_store_stop_compaction;
+extern lck_mtx_t vm_swap_data_lock;
+extern int vm_swapfile_create_thread_running;
+extern int vm_swapfile_gc_thread_running;
+
+int
+reboot_kernel(int howto, char *message)
+{
+ int hostboot_option = 0;
+ uint64_t startTime;
+
+ if ((howto & (RB_PANIC | RB_QUICK)) == (RB_PANIC | RB_QUICK)) {
+ panic_kernel(howto, message);
+ }
if (!OSCompareAndSwap(0, 1, &system_inshutdown)) {
- if ( (howto&RB_QUICK) == RB_QUICK)
+ if ((howto & RB_QUICK) == RB_QUICK) {
goto force_reboot;
- return (EBUSY);
+ }
+ return EBUSY;
}
+
+ lck_mtx_lock(&vm_swap_data_lock);
+
+ /* Turn OFF future swapfile reclaimation / compaction etc.*/
+ compressor_store_stop_compaction = TRUE;
+
+ /* wait for any current swapfile work to end */
+ while (vm_swapfile_create_thread_running || vm_swapfile_gc_thread_running) {
+ assert_wait((event_t)&compressor_store_stop_compaction, THREAD_UNINT);
+
+ lck_mtx_unlock(&vm_swap_data_lock);
+
+ thread_block(THREAD_CONTINUE_NULL);
+
+ lck_mtx_lock(&vm_swap_data_lock);
+ }
+
+ lck_mtx_unlock(&vm_swap_data_lock);
+
/*
- * Temporary hack to notify the power management root domain
- * that the system will shut down.
+ * Notify the power management root domain that the system will shut down.
*/
- IOSystemShutdownNotification();
+ IOSystemShutdownNotification(kIOSystemShutdownNotificationStageProcessExit);
- md_prepare_for_shutdown(paniced, howto, command);
-
- if ((howto&RB_QUICK)==RB_QUICK) {
+ if ((howto & RB_QUICK) == RB_QUICK) {
printf("Quick reboot...\n");
- if ((howto&RB_NOSYNC)==0) {
- sync(p, (void *)NULL, (int *)NULL);
+ if ((howto & RB_NOSYNC) == 0) {
+ sync((proc_t)NULL, (void *)NULL, (int *)NULL);
}
- }
- else if ((howto&RB_NOSYNC)==0) {
+ } else if ((howto & RB_NOSYNC) == 0) {
int iter, nbusy;
printf("syncing disks... ");
* Release vnodes held by texts before sync.
*/
- /* handle live procs (deallocate their root and current directories). */
+ /* handle live procs (deallocate their root and current directories), suspend initproc */
+
+ startTime = mach_absolute_time();
proc_shutdown();
+ halt_log_enter("proc_shutdown", 0, mach_absolute_time() - startTime);
#if CONFIG_AUDIT
+ startTime = mach_absolute_time();
audit_shutdown();
+ halt_log_enter("audit_shutdown", 0, mach_absolute_time() - startTime);
#endif
- if (unmountroot_pre_hook != NULL)
+#if XNU_TARGET_OS_OSX
+ if (unmountroot_pre_hook != NULL) {
unmountroot_pre_hook();
+ }
+#endif
- sync(p, (void *)NULL, (int *)NULL);
+ startTime = mach_absolute_time();
+ sync((proc_t)NULL, (void *)NULL, (int *)NULL);
- /*
- * Now that all processes have been terminated and system is
- * sync'ed up, suspend init
- */
-
- if (initproc && p != initproc)
- task_suspend(initproc->task);
-
- if (kdebug_enable)
+ if (kdebug_enable) {
+ startTime = mach_absolute_time();
kdbg_dump_trace_to_file("/var/log/shutdown/shutdown.trace");
+ halt_log_enter("shutdown.trace", 0, mach_absolute_time() - startTime);
+ }
+
+ IOSystemShutdownNotification(kIOSystemShutdownNotificationStageRootUnmount);
/*
* Unmount filesystems
*/
- vfs_unmountall();
+
+#if DEVELOPMENT || DEBUG
+ if (!(howto & RB_PANIC) || !kdp_has_polled_corefile())
+#endif /* DEVELOPMENT || DEBUG */
+ {
+ startTime = mach_absolute_time();
+ vfs_unmountall();
+ halt_log_enter("vfs_unmountall", 0, mach_absolute_time() - startTime);
+ }
/* Wait for the buffer cache to clean remaining dirty buffers */
+ startTime = mach_absolute_time();
for (iter = 0; iter < 100; iter++) {
nbusy = count_busy_buffers();
- if (nbusy == 0)
+ if (nbusy == 0) {
break;
+ }
printf("%d ", nbusy);
delay_for_interval( 1 * nbusy, 1000 * 1000);
}
- if (nbusy)
+ if (nbusy) {
printf("giving up\n");
- else
+ } else {
printf("done\n");
+ }
+ halt_log_enter("bufferclean", 0, mach_absolute_time() - startTime);
}
#if NETWORKING
/*
* because that will lock out softints which the disk
* drivers depend on to finish DMAs.
*/
+ startTime = mach_absolute_time();
if_down_all();
+ halt_log_enter("if_down_all", 0, mach_absolute_time() - startTime);
#endif /* NETWORKING */
force_reboot:
- if (howto & RB_POWERDOWN)
- hostboot_option = HOST_REBOOT_HALT;
- if (howto & RB_HALT)
- hostboot_option = HOST_REBOOT_HALT;
- if (paniced == RB_PANIC)
+
+ if (howto & RB_PANIC) {
+ panic_kernel(howto, message);
+ }
+
+ if (howto & RB_HALT) {
hostboot_option = HOST_REBOOT_HALT;
+ }
if (howto & RB_UPSDELAY) {
hostboot_option = HOST_REBOOT_UPSDELAY;
/*
* should not be reached
*/
- return (0);
+ return 0;
}
static int
{
int error = 0;
struct timeval tv;
-
+
/* Open shutdown log */
if ((error = vnode_open(PROC_SHUTDOWN_LOG, (O_CREAT | FWRITE | O_NOFOLLOW), 0644, 0, &sd_logvp, ctx))) {
printf("Failed to open %s: error %d\n", PROC_SHUTDOWN_LOG, error);
}
static void
-sd_log(vfs_context_t ctx, const char *fmt, ...)
+sd_log(vfs_context_t ctx, const char *fmt, ...)
{
int resid, log_error, len;
char logbuf[100];
va_start(arglist, fmt);
len = vsnprintf(logbuf, sizeof(logbuf), fmt, arglist);
log_error = vn_rdwr(UIO_WRITE, sd_logvp, (caddr_t)logbuf, len, sd_log_offset,
- UIO_SYSSPACE, IO_UNIT | IO_NOAUTH, vfs_context_ucred(ctx), &resid, vfs_context_proc(ctx));
+ UIO_SYSSPACE, IO_UNIT | IO_NOAUTH, vfs_context_ucred(ctx), &resid, vfs_context_proc(ctx));
if (log_error == EIO || log_error == 0) {
sd_log_offset += (len - resid);
}
va_end(arglist);
-
}
static int
{
proc_t self = current_proc();
struct sd_filterargs * sf = (struct sd_filterargs *)args;
- int delayterm = sf-> delayterm;
+ int delayterm = sf->delayterm;
int shutdownstate = sf->shutdownstate;
- if (((p->p_flag&P_SYSTEM) != 0) || (p->p_ppid == 0)
- ||(p == self) || (p->p_stat == SZOMB)
- || (p->p_shutdownstate != shutdownstate)
- ||((delayterm == 0) && ((p->p_lflag& P_LDELAYTERM) == P_LDELAYTERM))
- || ((p->p_sigcatch & sigmask(SIGTERM))== 0)) {
- return(0);
- }
- else
- return(1);
+ if (((p->p_flag & P_SYSTEM) != 0) || (p->p_ppid == 0)
+ || (p == self) || (p->p_stat == SZOMB)
+ || (p->p_shutdownstate != shutdownstate)
+ || ((delayterm == 0) && ((p->p_lflag & P_LDELAYTERM) == P_LDELAYTERM))
+ || ((p->p_sigcatch & sigmask(SIGTERM)) == 0)) {
+ return 0;
+ } else {
+ return 1;
+ }
}
-static int
+static int
sd_callback1(proc_t p, void * args)
{
struct sd_iterargs * sd = (struct sd_iterargs *)args;
int countproc = sd->countproc;
proc_lock(p);
- p->p_shutdownstate = setsdstate;
+ p->p_shutdownstate = (char)setsdstate;
if (p->p_stat != SZOMB) {
proc_unlock(p);
if (countproc != 0) {
}
psignal(p, signo);
- if (countproc != 0)
+ if (countproc != 0) {
sd->activecount++;
- } else
+ }
+ } else {
proc_unlock(p);
- return(PROC_RETURNED);
+ }
+
+ return PROC_RETURNED;
}
static int
{
proc_t self = current_proc();
struct sd_filterargs * sf = (struct sd_filterargs *)args;
- int delayterm = sf-> delayterm;
+ int delayterm = sf->delayterm;
int shutdownstate = sf->shutdownstate;
- if (((p->p_flag&P_SYSTEM) != 0) || (p->p_ppid == 0)
- ||(p == self) || (p->p_stat == SZOMB)
- || (p->p_shutdownstate == shutdownstate)
- ||((delayterm == 0) && ((p->p_lflag& P_LDELAYTERM) == P_LDELAYTERM))) {
- return(0);
- }
- else
- return(1);
+ if (((p->p_flag & P_SYSTEM) != 0) || (p->p_ppid == 0)
+ || (p == self) || (p->p_stat == SZOMB)
+ || (p->p_shutdownstate == shutdownstate)
+ || ((delayterm == 0) && ((p->p_lflag & P_LDELAYTERM) == P_LDELAYTERM))) {
+ return 0;
+ } else {
+ return 1;
+ }
}
-static int
+static int
sd_callback2(proc_t p, void * args)
{
struct sd_iterargs * sd = (struct sd_iterargs *)args;
int countproc = sd->countproc;
proc_lock(p);
- p->p_shutdownstate = setsdstate;
+ p->p_shutdownstate = (char)setsdstate;
if (p->p_stat != SZOMB) {
proc_unlock(p);
- if (countproc != 0) {
+ if (countproc != 0) {
proc_list_lock();
p->p_listflag |= P_LIST_EXITCOUNT;
proc_shutdown_exitcount++;
proc_list_unlock();
}
psignal(p, signo);
- if (countproc != 0)
+ if (countproc != 0) {
sd->activecount++;
- } else
+ }
+ } else {
proc_unlock(p);
+ }
- return(PROC_RETURNED);
-
+ return PROC_RETURNED;
}
-static int
+static int
sd_callback3(proc_t p, void * args)
{
struct sd_iterargs * sd = (struct sd_iterargs *)args;
int setsdstate = sd->setsdstate;
proc_lock(p);
- p->p_shutdownstate = setsdstate;
+ p->p_shutdownstate = (char)setsdstate;
if (p->p_stat != SZOMB) {
- /*
- * NOTE: following code ignores sig_lock and plays
- * with exit_thread correctly. This is OK unless we
- * are a multiprocessor, in which case I do not
- * understand the sig_lock. This needs to be fixed.
- * XXX
- */
- if (p->exit_thread) { /* someone already doing it */
+ /*
+ * NOTE: following code ignores sig_lock and plays
+ * with exit_thread correctly. This is OK unless we
+ * are a multiprocessor, in which case I do not
+ * understand the sig_lock. This needs to be fixed.
+ * XXX
+ */
+ if (p->exit_thread) { /* someone already doing it */
proc_unlock(p);
/* give him a chance */
thread_block(THREAD_CONTINUE_NULL);
proc_unlock(p);
KERNEL_DEBUG_CONSTANT(BSDDBG_CODE(DBG_BSD_PROC, BSD_PROC_FRCEXIT) | DBG_FUNC_NONE,
- p->p_pid, 0, 1, 0, 0);
+ p->p_pid, 0, 1, 0, 0);
sd->activecount++;
exit1(p, 1, (int *)NULL);
}
- } else
+ } else {
proc_unlock(p);
+ }
- return(PROC_RETURNED);
+ return PROC_RETURNED;
}
*
* POSIX modifications:
*
- * For POSIX fcntl() file locking call vno_lockrelease() on
+ * For POSIX fcntl() file locking call vno_lockrelease() on
* the file to release all of its record locks, if any.
*/
* Kill as many procs as we can. (Except ourself...)
*/
self = (struct proc *)current_proc();
-
+
/*
* Signal the init with SIGTERM so that he does not launch
- * new processes
+ * new processes
*/
p = proc_find(1);
if (p && p != self) {
/* post a SIGTERM to all that catch SIGTERM and not marked for delay */
proc_rebootscan(sd_callback1, (void *)&sdargs, sd_filt1, (void *)&sfargs);
- if (sdargs.activecount != 0 && proc_shutdown_exitcount!= 0) {
+ if (sdargs.activecount != 0 && proc_shutdown_exitcount != 0) {
proc_list_lock();
if (proc_shutdown_exitcount != 0) {
/*
- * now wait for up to 30 seconds to allow those procs catching SIGTERM
- * to digest it
- * as soon as these procs have exited, we'll continue on to the next step
- */
- ts.tv_sec = 30;
+ * now wait for up to 3 seconds to allow those procs catching SIGTERM
+ * to digest it
+ * as soon as these procs have exited, we'll continue on to the next step
+ */
+ ts.tv_sec = 3;
ts.tv_nsec = 0;
error = msleep(&proc_shutdown_exitcount, proc_list_mlock, PWAIT, "shutdownwait", &ts);
if (error != 0) {
for (p = allproc.lh_first; p; p = p->p_list.le_next) {
- if ((p->p_listflag & P_LIST_EXITCOUNT) == P_LIST_EXITCOUNT)
+ if ((p->p_listflag & P_LIST_EXITCOUNT) == P_LIST_EXITCOUNT) {
p->p_listflag &= ~P_LIST_EXITCOUNT;
+ }
}
for (p = zombproc.lh_first; p; p = p->p_list.le_next) {
- if ((p->p_listflag & P_LIST_EXITCOUNT) == P_LIST_EXITCOUNT)
+ if ((p->p_listflag & P_LIST_EXITCOUNT) == P_LIST_EXITCOUNT) {
p->p_listflag &= ~P_LIST_EXITCOUNT;
+ }
}
}
-
}
proc_list_unlock();
}
* log the names of the unresponsive tasks
*/
-
proc_list_lock();
for (p = allproc.lh_first; p; p = p->p_list.le_next) {
}
proc_list_unlock();
-
- delay_for_interval(1000 * 5, 1000 * 1000);
}
/*
/* post a SIGKILL to all that catch SIGTERM and not marked for delay */
proc_rebootscan(sd_callback2, (void *)&sdargs, sd_filt2, (void *)&sfargs);
- if (sdargs.activecount != 0 && proc_shutdown_exitcount!= 0) {
+ error = 0;
+
+ if (sdargs.activecount != 0 && proc_shutdown_exitcount != 0) {
proc_list_lock();
if (proc_shutdown_exitcount != 0) {
/*
- * wait for up to 60 seconds to allow these procs to exit normally
- *
- * History: The delay interval was changed from 100 to 200
- * for NFS requests in particular.
- */
- ts.tv_sec = 60;
+ * wait for up to 60 seconds to allow these procs to exit normally
+ *
+ * History: The delay interval was changed from 100 to 200
+ * for NFS requests in particular.
+ */
+ ts.tv_sec = 10;
ts.tv_nsec = 0;
error = msleep(&proc_shutdown_exitcount, proc_list_mlock, PWAIT, "shutdownwait", &ts);
if (error != 0) {
for (p = allproc.lh_first; p; p = p->p_list.le_next) {
- if ((p->p_listflag & P_LIST_EXITCOUNT) == P_LIST_EXITCOUNT)
+ if ((p->p_listflag & P_LIST_EXITCOUNT) == P_LIST_EXITCOUNT) {
p->p_listflag &= ~P_LIST_EXITCOUNT;
+ }
}
for (p = zombproc.lh_first; p; p = p->p_list.le_next) {
- if ((p->p_listflag & P_LIST_EXITCOUNT) == P_LIST_EXITCOUNT)
+ if ((p->p_listflag & P_LIST_EXITCOUNT) == P_LIST_EXITCOUNT) {
p->p_listflag &= ~P_LIST_EXITCOUNT;
+ }
}
}
}
proc_list_unlock();
}
+ if (error == ETIMEDOUT) {
+ /*
+ * log the names of the unresponsive tasks
+ */
+
+ proc_list_lock();
+
+ for (p = allproc.lh_first; p; p = p->p_list.le_next) {
+ if (p->p_shutdownstate == 2) {
+ printf("%s[%d]: didn't act on SIGKILL\n", p->p_comm, p->p_pid);
+ sd_log(ctx, "%s[%d]: didn't act on SIGKILL\n", p->p_comm, p->p_pid);
+ }
+ }
+
+ proc_list_unlock();
+ }
+
/*
* if we still have procs that haven't exited, then brute force 'em
*/
sdargs.countproc = 0;
sdargs.activecount = 0;
+
+
/* post a SIGTERM to all that catch SIGTERM and not marked for delay */
proc_rebootscan(sd_callback3, (void *)&sdargs, sd_filt2, (void *)&sfargs);
printf("\n");
sd_closelog(ctx);
+ /*
+ * Now that all other processes have been terminated, suspend init
+ */
+ task_suspend_internal(initproc->task);
+
/* drop the ref on initproc */
proc_rele(initproc);
printf("continuing\n");
}
-
projects / apple / xnu.git / blobdiff