+ dogettytab();
+ }
+ }
+}
+
+static int
+opentty(const char *tty, int flags)
+{
+ int i;
+ int failopenlogged = 0;
+
+ while ((i = open(tty, flags)) == -1)
+ {
+ if (!failopenlogged) {
+ syslog(LOG_ERR, "open %s: %m", tty);
+ failopenlogged = 1;
+ }
+ sleep(60);
+ }
+ if (login_tty(i) < 0) {
+#ifndef __APPLE__
+ if (daemon(0,0) < 0) {
+ syslog(LOG_ERR,"daemon: %m");
+ close(i);
+ return 0;
+ }
+#endif
+ if (login_tty(i) < 0) {
+ syslog(LOG_ERR, "login_tty %s: %m", tty);
+ close(i);
+ return 0;
+ }
+ }
+ return 1;
+}
+
+static void
+defttymode(void)
+{
+
+ /* Start with default tty settings. */
+ if (tcgetattr(STDIN_FILENO, &tmode) < 0) {
+ syslog(LOG_ERR, "tcgetattr %s: %m", ttyn);
+ exit(1);
+ }
+ omode = tmode; /* fill c_cc for dogettytab() */
+ dogettytab();
+ /*
+ * Don't rely on the driver too much, and initialize crucial
+ * things according to <sys/ttydefaults.h>. Avoid clobbering
+ * the c_cc[] settings however, the console drivers might wish
+ * to leave their idea of the preferred VERASE key value
+ * there.
+ */
+ tmode.c_iflag = TTYDEF_IFLAG;
+ tmode.c_oflag = TTYDEF_OFLAG;
+ tmode.c_lflag = TTYDEF_LFLAG;
+ tmode.c_cflag = TTYDEF_CFLAG;
+ if (NC)
+ tmode.c_cflag |= CLOCAL;
+ omode = tmode;
+}
+
+static void
+setttymode(int raw)
+{
+ int off = 0;
+
+ (void)tcflush(STDIN_FILENO, TCIOFLUSH); /* clear out the crap */
+ ioctl(STDIN_FILENO, FIONBIO, &off); /* turn off non-blocking mode */
+ ioctl(STDIN_FILENO, FIOASYNC, &off); /* ditto for async mode */
+
+ if (IS)
+ cfsetispeed(&tmode, speed(IS));
+ else if (SP)
+ cfsetispeed(&tmode, speed(SP));
+ if (OS)
+ cfsetospeed(&tmode, speed(OS));
+ else if (SP)
+ cfsetospeed(&tmode, speed(SP));
+ set_flags(0);
+ setchars();
+ if (raw)
+ cfmakeraw(&tmode);
+ if (tcsetattr(STDIN_FILENO, TCSANOW, &tmode) < 0) {
+ syslog(LOG_ERR, "tcsetattr %s: %m", ttyn);
+ exit(1);
projects / apple / system_cmds.git / blobdiff