/* * Copyright (c) 1983 Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * Edward Wang at The University of California, Berkeley. * * Redistribution and use in source and binary forms are permitted provided * that: (1) source distributions retain this entire copyright notice and * comment, and (2) distributions including binaries display the following * acknowledgement: ``This product includes software developed by the * University of California, Berkeley and its contributors'' in the * documentation or other materials provided with the distribution and in * all advertising materials mentioning features or use of this software. * Neither the name of the University nor the names of its contributors may * 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 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ #ifndef lint static char sccsid[] = "@(#)wwsuspend.c 3.13 (Berkeley) 6/6/90"; #endif /* not lint */ #include "ww.h" #include "tt.h" #include <sys/signal.h> wwsuspend() { sig_t 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); xxstart(); wwredraw(); /* XXX, clears the screen twice */ (void) signal(SIGTSTP, oldsig); }