freebsd_amp_hwpstate/sbin/sysinstall/main.c

107 lines
2.2 KiB
C

/*
* ----------------------------------------------------------------------------
* "THE BEER-WARE LICENSE" (Revision 42):
* <phk@login.dkuug.dk> wrote this file. As long as you retain this notice you
* can do whatever you want with this stuff. If we meet some day, and you think
* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
* ----------------------------------------------------------------------------
*
* $Id: main.c,v 1.16 1994/11/17 19:44:49 ache Exp $
*
*/
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <unistd.h>
#include <setjmp.h>
#include <fcntl.h>
#include <signal.h>
#include <dialog.h>
#include <sys/ioctl.h>
#include <sys/reboot.h>
#define EXTERN /* only in main.c */
#include "sysinstall.h"
jmp_buf jmp_restart;
/*
* XXX: utils: Mkdir must do "-p".
* XXX: stage2: do mkdir for msdos-mounts.
* XXX: label: Import dos-slice.
* XXX: mbr: edit geometry
*/
extern int alloc_memory();
void
handle_intr(int sig)
{
dialog_clear_norefresh();
dialog_msgbox("User Interrupt",
"User interrupted. Aborting the installation",
-1, -1, 1);
ExitSysinstall();
}
int
main(int argc, char **argv)
{
signal(SIGINT, SIG_IGN);
/* Are we running as init? */
if (getpid() == 1) {
setsid();
close(0); open("/dev/console",O_RDWR);
close(1); dup(0);
close(2); dup(0);
printf("sysinstall running as init\n\r");
ioctl(0,TIOCSCTTY,(char *)NULL);
setlogin("root");
debug_fd = open("/dev/ttyv1",O_WRONLY);
} else {
debug_fd = open("sysinstall.debug",
O_WRONLY|O_CREAT|O_TRUNC,0644);
}
if (set_termcap() == -1) {
Fatal("Can't find terminal entry\n");
}
/* XXX too early to use fatal ! */
/* XXX - libdialog has particularly bad return value checking */
init_dialog();
/* If we haven't crashed I guess dialog is running ! */
dialog_active = 1;
signal(SIGINT, handle_intr);
if (alloc_memory() < 0)
Fatal("No memory\n");
if (getpid() != 1) {
stage0();
stage1();
end_dialog();
dialog_active=0;
} else if (!access("/this_is_boot_flp",R_OK)) {
while(1) {
stage0();
if(!stage1())
break;
}
stage2();
end_dialog();
dialog_active=0;
reboot(RB_AUTOBOOT);
} else {
stage3();
stage4();
stage5();
}
return 0;
}