void tty_init()
{
extern struct tty_state tty; /* global var */
struct sigaction sigact;
struct vt_mode vtm;
char *env;
memset(&sigact, 0, sizeof(struct sigaction));
sigact.sa_handler = handler;
sigact.sa_flags = SA_RESTART;
esigaction(SIGCHLD, &sigact, NULL);
esigaction(SIGUSR1, &sigact, NULL);
vtm.mode = VT_PROCESS;
vtm.waitv = 0;
vtm.relsig = vtm.acqsig = vtm.frsig = SIGUSR1;
if (ioctl(STDIN_FILENO, VT_SETMODE, &vtm))
fatal("ioctl: VT_SETMODE failed (maybe here is not console)");
if (ioctl(STDIN_FILENO, KDSETMODE, KD_GRAPHICS) < 0)
fatal("ioctl: KDSETMODE failed (maybe here is not console)");
tty.save_tm = (struct termios *) emalloc(sizeof(struct termios));
set_rawmode(STDIN_FILENO, tty.save_tm);
ewrite(STDIN_FILENO, "\033[?25l", 6); /* make cusor invisible */
if ((env = getenv("YAFT")) != NULL) {
if (strstr(env, "background") != NULL)
tty.background_draw = true;
if (strstr(env, "lazy") != NULL)
tty.lazy_draw = true;
}
}
void tty_init()
{
struct sigaction sigact;
memset(&sigact, 0, sizeof(struct sigaction));
sigact.sa_handler = handler;
sigact.sa_flags = SA_RESTART;
esigaction(SIGCHLD, &sigact, NULL);
}
int set_signal(int signo, void (*sig_handler)(int signo))
{
struct sigaction sigact;
memset(&sigact, 0, sizeof(struct sigaction));
sigact.sa_handler = sig_handler;
sigact.sa_flags = SA_RESTART;
return esigaction(signo, &sigact, NULL);
}
