int game_init()
{
srand(get_ms());
screen = set_videomode();
init_res();
game_start();
/* Should not reach here! */
assert(0);
return 0;
}
static void
function_toggle_videomode(int x, int y)
{
videomode_e newmode;
ki_printf("g_videomode was %d\n",get_videomode());
switch(get_videomode()) {
case KEGS_FULL:
newmode = KEGS_640X480;
break;
case KEGS_640X480:
newmode = KEGS_640X400;
break;
case KEGS_640X400:
newmode = KEGS_FULL;
break;
}
set_videomode(newmode);
}
static int init(const char* target)
{
init_early();
set_hostname();
set_kblayout();
set_videomode();
prepare_block_devices();
load_fstab();
if ( atexit(mountpoints_unmount) != 0 )
fatal("atexit: %m");
mountpoints_mount(false);
sigset_t oldset, sigttou;
sigemptyset(&sigttou);
sigaddset(&sigttou, SIGTTOU);
int result;
while ( true )
{
struct termios tio;
if ( tcgetattr(0, &tio) )
fatal("tcgetattr: %m");
pid_t child_pid = fork();
if ( child_pid < 0 )
fatal("fork: %m");
if ( !child_pid )
{
uid_t uid = getuid();
pid_t pid = getpid();
pid_t ppid = getppid();
if ( setpgid(0, 0) < 0 )
fatal("setpgid: %m");
sigprocmask(SIG_BLOCK, &sigttou, &oldset);
if ( tcsetpgrp(0, pid) < 0 )
fatal("tcsetpgrp: %m");
sigprocmask(SIG_SETMASK, &oldset, NULL);
struct passwd* pwd = getpwuid(uid);
if ( !pwd )
fatal("looking up user by uid %" PRIuUID ": %m", uid);
const char* home = pwd->pw_dir[0] ? pwd->pw_dir : "/";
const char* shell = pwd->pw_shell[0] ? pwd->pw_shell : "sh";
char ppid_str[sizeof(pid_t) * 3];
snprintf(ppid_str, sizeof(ppid_str), "%" PRIiPID, ppid);
if ( setenv("INIT_PID", ppid_str, 1) < 0 ||
setenv("LOGNAME", pwd->pw_name, 1) < 0 ||
setenv("USER", pwd->pw_name, 1) < 0 ||
setenv("HOME", home, 1) < 0 ||
setenv("SHELL", shell, 1) < 0 )
fatal("setenv: %m");
if ( chdir(home) < 0 )
warning("chdir: %s: %m", home);
const char* program = "login";
bool activate_terminal = false;
if ( !strcmp(target, "single-user") )
{
activate_terminal = true;
program = shell;
}
if ( !strcmp(target, "sysinstall") )
{
activate_terminal = true;
program = "sysinstall";
}
if ( !strcmp(target, "sysupgrade") )
{
program = "sysupgrade";
activate_terminal = true;
}
if ( activate_terminal )
{
tio.c_cflag |= CREAD;
if ( tcsetattr(0, TCSANOW, &tio) )
fatal("tcgetattr: %m");
}
const char* argv[] = { program, NULL };
execvp(program, (char* const*) argv);
fatal("%s: %m", program);
}
int status;
if ( waitpid(child_pid, &status, 0) < 0 )
fatal("waitpid");
sigprocmask(SIG_BLOCK, &sigttou, &oldset);
if ( tcsetattr(0, TCSAFLUSH, &tio) )
fatal("tcgetattr: %m");
if ( tcsetpgrp(0, getpgid(0)) < 0 )
fatal("tcsetpgrp: %m");
sigprocmask(SIG_SETMASK, &oldset, NULL);
const char* back = ": Trying to bring it back up again";
if ( WIFEXITED(status) )
{
result = WEXITSTATUS(status);
break;
}
else if ( WIFSIGNALED(status) )
note("session: %s%s", strsignal(WTERMSIG(status)), back);
else
note("session: Unexpected unusual termination%s", back);
}
mountpoints_unmount();
return result;
}
