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) 06/29/88"; 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 } 40