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 this notice is preserved and that due credit is given 7 * to the University of California at Berkeley. The name of the University 8 * may not be used to endorse or promote products derived from this 9 * software without specific prior written permission. This software 10 * is provided ``as is'' without express or implied warranty. 11 */ 12 13 #ifndef lint 14 static char sccsid[] = "@(#)wwsuspend.c 3.8 (Berkeley) 02/21/88"; 15 #endif /* not lint */ 16 17 #include "ww.h" 18 #include "tt.h" 19 #include <sys/signal.h> 20 21 wwsuspend() 22 { 23 int (*oldsig)(); 24 25 oldsig = signal(SIGTSTP, SIG_IGN); 26 wwend(); 27 (void) signal(SIGTSTP, SIG_DFL); 28 (void) kill(0, SIGTSTP); 29 (void) signal(SIGTSTP, SIG_IGN); 30 (void) wwsettty(0, &wwnewtty, &wwoldtty); 31 (*tt.tt_init)(); 32 wwredraw(); 33 (void) signal(SIGTSTP, oldsig); 34 } 35