#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;
/* 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);
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{
int delayterm;
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
+get_system_inshutdown()
+{
+ return (system_inshutdown);
+}
+
+static void
+panic_kernel(int howto, char *message)
+{
+ if ((howto & RB_PANIC_ZPRINT) == RB_PANIC_ZPRINT) {
+ zprint_panic_info();
+ }
+ panic("userspace panic: %s", message);
+}
int
-boot(int paniced, int howto, char *command)
+reboot_kernel(int howto, char *message)
{
- struct proc *p = current_proc(); /* XXX */
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)
return (EBUSY);
}
/*
- * 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();
-
- md_prepare_for_shutdown(paniced, howto, command);
+ IOSystemShutdownNotification(kIOSystemShutdownNotificationStageProcessExit);
if ((howto&RB_QUICK)==RB_QUICK) {
printf("Quick reboot...\n");
if ((howto&RB_NOSYNC)==0) {
- sync(p, (void *)NULL, (int *)NULL);
+ sync((proc_t)NULL, (void *)NULL, (int *)NULL);
}
}
else if ((howto&RB_NOSYNC)==0) {
* 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)
unmountroot_pre_hook();
- sync(p, (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);
+ startTime = mach_absolute_time();
+ sync((proc_t)NULL, (void *)NULL, (int *)NULL);
- 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)
printf("giving up\n");
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_PANIC) {
+ panic_kernel(howto, message);
+ }
+
if (howto & RB_POWERDOWN)
hostboot_option = HOST_REBOOT_HALT;
if (howto & RB_HALT)
hostboot_option = HOST_REBOOT_HALT;
- if (paniced == RB_PANIC)
- hostboot_option = HOST_REBOOT_HALT;
if (howto & RB_UPSDELAY) {
hostboot_option = HOST_REBOOT_UPSDELAY;
}
-static int
+static int
sd_callback1(proc_t p, void * args)
{
struct sd_iterargs * sd = (struct sd_iterargs *)args;
psignal(p, signo);
if (countproc != 0)
sd->activecount++;
- } else
+ } else {
proc_unlock(p);
- return(PROC_RETURNED);
+ }
+
+ return PROC_RETURNED;
}
static int
return(1);
}
-static int
+static int
sd_callback2(proc_t p, void * args)
{
struct sd_iterargs * sd = (struct sd_iterargs *)args;
psignal(p, signo);
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;
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) {
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) {
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);
+ 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) {
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