usr/src/usr.bin/window/wwsuspend.c

/*
 * Copyright (c) 1983 Regents of the University of California.
 * All rights reserved.
 *
 * 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.
 */

#ifndef lint
static char sccsid[] = "@(#)wwsuspend.c	3.9 (Berkeley) %G%";
#endif /* not lint */

#include "ww.h"
#include "tt.h"
#include <sys/signal.h>

wwsuspend()
{
	int (*oldsig)();

	oldsig = signal(SIGTSTP, SIG_IGN);
	wwend();
	(void) signal(SIGTSTP, SIG_DFL);
	(void) kill(0, SIGTSTP);
	(void) signal(SIGTSTP, SIG_IGN);
	(void) wwsettty(0, &wwnewtty, &wwoldtty);
	(*tt.tt_init)();
	wwredraw();
	(void) signal(SIGTSTP, oldsig);
}
Commit	Line	Data
	1	/*
	2	* Copyright (c) 1983 Regents of the University of California.
	3	* All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms are permitted
	6	* provided that the above copyright notice and this paragraph are
	7	* duplicated in all such forms and that any documentation,
	8	* advertising materials, and other materials related to such
	9	* distribution and use acknowledge that the software was developed
	10	* by the University of California, Berkeley. The name of the
	11	* University may not be used to endorse or promote products derived
	12	* from this software without specific prior written permission.
	13	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
	14	* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
	15	* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
	16	*/
	17
	18	#ifndef lint
	19	static char sccsid[] = "@(#)wwsuspend.c 3.9 (Berkeley) %G%";
	20	#endif /* not lint */
	21
	22	#include "ww.h"
	23	#include "tt.h"
	24	#include <sys/signal.h>
	25
	26	wwsuspend()
	27	{
	28	int (*oldsig)();
	29
	30	oldsig = signal(SIGTSTP, SIG_IGN);
	31	wwend();
	32	(void) signal(SIGTSTP, SIG_DFL);
	33	(void) kill(0, SIGTSTP);
	34	(void) signal(SIGTSTP, SIG_IGN);
	35	(void) wwsettty(0, &wwnewtty, &wwoldtty);
	36	(*tt.tt_init)();
	37	wwredraw();
	38	(void) signal(SIGTSTP, oldsig);
	39	}