45 lines
884 B
C
45 lines
884 B
C
/*
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* Copyright (c) 1980 Regents of the University of California.
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* All rights reserved. The Berkeley software License Agreement
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* specifies the terms and conditions for redistribution.
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*/
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#ifndef lint
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static char sccsid[] = "@(#)tstp.c 1.1 94/10/31 SMI"; /* from UCB 5.1 85/06/07 */
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#endif not lint
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# include <signal.h>
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# include "curses.ext"
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/*
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* handle stop and start signals
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*
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* @(#)tstp.c 5.1 (Berkeley) 6/7/85
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*/
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tstp() {
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# ifdef SIGTSTP
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SGTTY tty;
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int omask;
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# ifdef DEBUG
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if (outf)
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fflush(outf);
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# endif
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tty = _tty;
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mvcur(0, COLS - 1, LINES - 1, 0);
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endwin();
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fflush(stdout);
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/* reset signal handler so kill below stops us */
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signal(SIGTSTP, SIG_DFL);
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omask = sigsetmask(sigblock(0) &~ sigmask(SIGTSTP));
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kill(0, SIGTSTP);
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sigblock(sigmask(SIGTSTP));
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signal(SIGTSTP, tstp);
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_tty = tty;
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stty(_tty_ch, &_tty);
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wrefresh(curscr);
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# endif SIGTSTP
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}
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