* Copyright (c) 1981 Regents of the University of California.
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by the University of California, Berkeley. The name of the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
static char sccsid
[] = "@(#)tstp.c 5.4 (Berkeley) %G%";
* handle stop and start signals
* @(#)tstp.c 5.4 (Berkeley) %G%
mvcur(0, COLS
- 1, LINES
- 1, 0);
/* reset signal handler so kill below stops us */
signal(SIGTSTP
, SIG_DFL
);
#define mask(s) (1 << ((s)-1))
omask
= sigsetmask(sigblock(0) &~ mask(SIGTSTP
));
ioctl(_tty_ch
, TIOCSETP
, &_tty
);