1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * Copyright 2001 Sun Microsystems, Inc. All rights reserved. 3*0Sstevel@tonic-gate * Use is subject to license terms. 4*0Sstevel@tonic-gate */ 5*0Sstevel@tonic-gate 6*0Sstevel@tonic-gate /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 7*0Sstevel@tonic-gate /* All Rights Reserved */ 8*0Sstevel@tonic-gate 9*0Sstevel@tonic-gate /* 10*0Sstevel@tonic-gate * Copyright (c) 1980 Regents of the University of California. 11*0Sstevel@tonic-gate * All rights reserved. The Berkeley software License Agreement 12*0Sstevel@tonic-gate * specifies the terms and conditions for redistribution. 13*0Sstevel@tonic-gate */ 14*0Sstevel@tonic-gate 15*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 16*0Sstevel@tonic-gate 17*0Sstevel@tonic-gate #ifndef lint 18*0Sstevel@tonic-gate static char 19*0Sstevel@tonic-gate sccsid[] = "@(#)tstp.c 1.6 88/02/08 SMI"; /* from UCB 5.1 85/06/07 */ 20*0Sstevel@tonic-gate #endif /* not lint */ 21*0Sstevel@tonic-gate 22*0Sstevel@tonic-gate #include <sys/types.h> 23*0Sstevel@tonic-gate #include <signal.h> 24*0Sstevel@tonic-gate #include "curses.ext" 25*0Sstevel@tonic-gate #include <sgtty.h> 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate /* 28*0Sstevel@tonic-gate * handle stop and start signals 29*0Sstevel@tonic-gate * 30*0Sstevel@tonic-gate * @(#)tstp.c 5.1 (Berkeley) 6/7/85 31*0Sstevel@tonic-gate */ 32*0Sstevel@tonic-gate 33*0Sstevel@tonic-gate void 34*0Sstevel@tonic-gate tstp(void) 35*0Sstevel@tonic-gate { 36*0Sstevel@tonic-gate #ifdef SIGTSTP 37*0Sstevel@tonic-gate 38*0Sstevel@tonic-gate SGTTY tty; 39*0Sstevel@tonic-gate #ifdef DEBUG 40*0Sstevel@tonic-gate if (outf) 41*0Sstevel@tonic-gate (void) fflush(outf); 42*0Sstevel@tonic-gate #endif 43*0Sstevel@tonic-gate tty = _tty; 44*0Sstevel@tonic-gate (void) mvcur(0, COLS - 1, LINES - 1, 0); 45*0Sstevel@tonic-gate (void) endwin(); 46*0Sstevel@tonic-gate (void) fflush(stdout); 47*0Sstevel@tonic-gate /* reset signal handler so kill below stops us */ 48*0Sstevel@tonic-gate (void) signal(SIGTSTP, SIG_DFL); 49*0Sstevel@tonic-gate (void) sigsetmask(sigblock(0) &~ sigmask(SIGTSTP)); 50*0Sstevel@tonic-gate (void) kill(0, SIGTSTP); 51*0Sstevel@tonic-gate (void) sigblock(sigmask(SIGTSTP)); 52*0Sstevel@tonic-gate (void) signal(SIGTSTP, (void(*)(int))tstp); 53*0Sstevel@tonic-gate _tty = tty; 54*0Sstevel@tonic-gate (void) stty(_tty_ch, &_tty); 55*0Sstevel@tonic-gate (void) wrefresh(curscr); 56*0Sstevel@tonic-gate #endif /* SIGTSTP */ 57*0Sstevel@tonic-gate } 58