99 lines
3.0 KiB
C
99 lines
3.0 KiB
C
/*-
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* Copyright (c) 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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/* from: static char sccsid[] = "@(#)sex_util.c 8.9 (Berkeley) 12/23/93"; */
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static char *rcsid = "$Id: sex_util.c,v 1.3 1994/03/02 01:54:21 cgd Exp $";
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#endif /* not lint */
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#include <sys/types.h>
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#include <errno.h>
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#include <string.h>
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#include <termios.h>
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#include <unistd.h>
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#include "vi.h"
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#include "sex_screen.h"
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/*
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* sex_bell --
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* Ring the bell.
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*/
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void
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sex_bell(sp)
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SCR *sp;
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{
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(void)write(STDOUT_FILENO, "\07", 1); /* \a */
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}
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void
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sex_busy(sp, msg)
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SCR *sp;
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char const *msg;
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{
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(void)fprintf(stdout, "%s\n", msg);
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(void)fflush(stdout);
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}
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/*
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* sex_suspend --
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* Suspend an ex screen.
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*/
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int
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sex_suspend(sp)
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SCR *sp;
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{
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struct termios t;
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int rval;
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/* Save ex/vi terminal settings, and restore the original ones. */
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if (F_ISSET(sp->gp, G_ISFROMTTY) && F_ISSET(sp->gp, G_HAVETTY)) {
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(void)tcgetattr(STDIN_FILENO, &t);
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(void)tcsetattr(STDIN_FILENO,
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TCSADRAIN, &sp->gp->original_termios);
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}
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/* Kill the process group. */
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F_SET(sp->gp, G_SLEEPING);
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if (rval = kill(0, SIGTSTP))
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msgq(sp, M_SYSERR, "SIGTSTP");
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F_CLR(sp->gp, G_SLEEPING);
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/* Restore ex/vi terminal settings. */
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if (F_ISSET(sp->gp, G_ISFROMTTY))
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(void)tcsetattr(STDIN_FILENO, TCSADRAIN, &t);
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return (rval);
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}
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