/*
* Copyright (c) 1980, 1986, 1993
* The Regents of the University of California. All rights reserved.
+ * Portions copyright (c) 2007 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
+ * 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
#include <string.h>
#include <unistd.h>
+#ifdef __APPLE__
+#include <TargetConditionals.h>
+#if !TARGET_OS_EMBEDDED
+#include "kextmanager.h"
+#include <IOKit/kext/kextmanager_types.h>
+#endif
+#include <mach/mach_port.h> // allocate
+#include <mach/mach.h> // task_self, etc
+#include <servers/bootstrap.h> // bootstrap
+#include <bootstrap_priv.h>
+#include <reboot2.h>
+#include <utmpx.h>
+#include <sys/time.h>
+#endif
+
void usage(void);
u_int get_pageins(void);
+#if defined(__APPLE__) && !TARGET_OS_EMBEDDED
+int reserve_reboot(void);
+#endif
int dohalt;
main(int argc, char *argv[])
{
struct passwd *pw;
- int ch, howto, i, fd, kflag, lflag, nflag, qflag, pflag, sverrno;
- u_int pageins;
- char *kernel, *p;
+ int ch, howto, kflag, lflag, nflag, qflag, uflag;
+ char *p;
const char *user;
+#ifndef __APPLE__
+ int i, fd, pflag, sverrno;
+ u_int pageins;
+ char *kernel;
+#endif
if (strstr((p = rindex(*argv, '/')) ? p + 1 : *argv, "halt")) {
dohalt = 1;
#ifndef __APPLE__
while ((ch = getopt(argc, argv, "dk:lnpq")) != -1)
#else
- while ((ch = getopt(argc, argv, "lnq")) != -1)
+ while ((ch = getopt(argc, argv, "lnqu")) != -1)
#endif
switch(ch) {
#ifndef __APPLE__
howto |= RB_POWEROFF;
break;
#endif
+ case 'u':
+ uflag = 1;
+ howto |= RB_UPSDELAY;
+ break;
case 'q':
qflag = 1;
+ howto |= RB_QUICK;
break;
case '?':
default:
err(1, NULL);
}
+#if defined(__APPLE__) && !TARGET_OS_EMBEDDED
+ if (!qflag && !lflag) { // shutdown(8) has already checked w/kextd
+ if ((errno = reserve_reboot()))
+ err(1, "couldn't lock for reboot");
+ }
+#endif
+
if (qflag) {
reboot(howto);
err(1, NULL);
pw->pw_name : "???";
if (dohalt) {
openlog("halt", 0, LOG_AUTH | LOG_CONS);
- syslog(LOG_CRIT, "halted by %s", user);
+ syslog(LOG_CRIT, "halted by %s%s", user,
+ (howto & RB_UPSDELAY) ? " with UPS delay":"");
} else {
openlog("reboot", 0, LOG_AUTH | LOG_CONS);
syslog(LOG_CRIT, "rebooted by %s", user);
}
}
+#if defined(__APPLE__)
+ {
+ struct utmpx utx;
+ bzero(&utx, sizeof(utx));
+ utx.ut_type = SHUTDOWN_TIME;
+ gettimeofday(&utx.ut_tv, NULL);
+ pututxline(&utx);
+
+ int newvalue = 1;
+ sysctlbyname("kern.willshutdown", NULL, NULL, &newvalue, sizeof(newvalue));
+ }
+#else
logwtmp("~", "shutdown", "");
+#endif
/*
* Do a sync early on, so disks start transfers while we're off
if (!nflag)
sync();
+#ifndef __APPLE__
/* Just stop init -- if we fail, we'll restart it. */
if (kill(1, SIGTSTP) == -1)
err(1, "SIGTSTP init");
+#endif
/* Ignore the SIGHUP we get when our parent shell dies. */
(void)signal(SIGHUP, SIG_IGN);
}
#endif
+#ifdef __APPLE__
+ // launchd(8) handles reboot. This call returns NULL on success.
+ exit(reboot2(howto) == NULL ? EXIT_SUCCESS : EXIT_FAILURE);
+#else /* __APPLE__ */
reboot(howto);
/* FALLTHROUGH */
errx(1, "%s%s", kill(1, SIGHUP) == -1 ? "(can't restart init): " : "",
strerror(sverrno));
/* NOTREACHED */
+#endif /* __APPLE__ */
}
void
}
return pageins;
}
+
+#if defined(__APPLE__) && !TARGET_OS_EMBEDDED
+// XX this routine is also in shutdown.tproj; it would be nice to share
+
+#define WAITFORLOCK 1
+/*
+ * contact kextd to lock for reboot
+ */
+int
+reserve_reboot()
+{
+ int rval = ELAST + 1;
+ kern_return_t macherr = KERN_FAILURE;
+ mach_port_t kxport, tport = MACH_PORT_NULL, myport = MACH_PORT_NULL;
+ int busyStatus = ELAST + 1;
+ mountpoint_t busyVol;
+
+ macherr = bootstrap_look_up2(bootstrap_port, KEXTD_SERVER_NAME, &kxport, 0, BOOTSTRAP_PRIVILEGED_SERVER);
+ if (macherr) goto finish;
+
+ // allocate a port to pass to kextd (in case we die)
+ tport = mach_task_self();
+ if (tport == MACH_PORT_NULL) goto finish;
+ macherr = mach_port_allocate(tport, MACH_PORT_RIGHT_RECEIVE, &myport);
+ if (macherr) goto finish;
+
+ // try to lock for reboot
+ macherr = kextmanager_lock_reboot(kxport, myport, !WAITFORLOCK, busyVol,
+ &busyStatus);
+ if (macherr) goto finish;
+
+ if (busyStatus == EBUSY) {
+ warnx("%s is busy updating; waiting for lock", busyVol);
+ macherr = kextmanager_lock_reboot(kxport, myport, WAITFORLOCK,
+ busyVol, &busyStatus);
+ if (macherr) goto finish;
+ }
+
+ if (busyStatus == EALREADY) {
+ // reboot already in progress
+ rval = 0;
+ } else {
+ rval = busyStatus;
+ }
+
+finish:
+ // in general, we want to err on the side of allowing the reboot
+ if (macherr) {
+ if (macherr != BOOTSTRAP_UNKNOWN_SERVICE)
+ warnx("WARNING: couldn't lock kext manager for reboot: %s",
+ mach_error_string(macherr));
+ rval = 0;
+ }
+ // unless we got the lock, clean up our port
+ if (busyStatus != 0 && myport != MACH_PORT_NULL)
+ mach_port_mod_refs(tport, myport, MACH_PORT_RIGHT_RECEIVE, -1);
+
+ return rval;
+}
+#endif
projects / apple / system_cmds.git / blobdiff