static void performUnmounts(void) {
int status;
struct stat st_buf;
printf("disabling swap...\n");
disableSwap();
printf("unmounting filesystems...\n");
unmountFilesystems();
/* We've lost /mnt/runtime where /lib is a link to put the old
/lib back so that our mdadm invocation below works. */
if (lstat("/lib64", &st_buf) == 0) {
unlink("/lib64");
rename("/lib64_old", "/lib64");
} else {
unlink("/lib");
rename("/lib_old", "/lib");
}
unlink("/usr");
rename("/usr_old", "/usr");
printf("waiting for mdraid sets to become clean...\n");
status = system("/sbin/mdadm --wait-clean --scan");
if (!WIFEXITED(status))
printf("Error: mdadm did not terminate normally\n");
else if (WEXITSTATUS(status))
printf("Error: mdadm exited with status: %d\n",
WEXITSTATUS(status));
}
void shutDown(int noKill, int doReboot, int doPowerOff) {
sync(); sync();
if (!testing && !noKill) {
printf("sending termination signals...");
kill(-1, 15);
sleep(2);
printf("done\n");
printf("sending kill signals...");
kill(-1, 9);
sleep(2);
printf("done\n");
}
printf("disabling swap...\n");
disableSwap();
printf("unmounting filesystems...\n");
unmountFilesystems();
if (doReboot) {
printf("rebooting system\n");
sleep(2);
#if USE_MINILIBC
reboot(0xfee1dead, 672274793, 0x1234567);
#else
reboot(RB_AUTOBOOT);
#endif
} else if (doPowerOff) {
printf("powering off system\n");
reboot(RB_POWER_OFF);
} else {
printf("you may safely reboot your system\n");
signal(SIGINT, rebootHandler);
while (1) sleep(60);
}
exit(0);
return;
}