/*
* Run through the boot processing from inittab
*/
static void boot_runlevel(void)
{
do_for_runlevel(MASK_BOOT, INIT_SYS);
do_for_runlevel(MASK_BOOT, INIT_BOOT);
runlevel = default_rl;
enter_runlevel(1 << default_rl);
}
int main(int argc, char *argv[])
{
int fdtty1;
signal(SIGINT, SIG_IGN);
signal(SIGUSR1, sigusr1);
/* remove any stale /etc/mtab file */
unlink("/etc/mtab");
/* clean up anything handed to us by the kernel */
close(0);
close(1);
close(2);
/* loop until we can open the first terminal */
do {
fdtty1 = open("/dev/tty1", O_RDWR|O_NOCTTY);
} while (fdtty1 < 0);
/* make stdin, stdout and stderr point to /dev/tty1 */
if (fdtty1 != 0)
close(0);
dup(fdtty1);
close(1);
dup(fdtty1);
close(2);
dup(fdtty1);
putstr("init version 0.9.0ac#1\n");
close(open("/var/run/utmp", O_WRONLY | O_CREAT | O_TRUNC));
load_inittab();
parse_inittab();
boot_runlevel();
for (;;) {
clear_zombies(0);
if (dingdong) {
uint8_t newrl;
int fd = open("/var/run/intctl", O_RDONLY);
if (fd != -1 && read(fd, &newrl, 1) == 1) {
exit_runlevel(1 << runlevel, 1 << newrl);
runlevel = newrl;
enter_runlevel(1 << runlevel);
}
close(fd);
dingdong = 0;
}
}
}
