1 /* 2 * Copyright (c) 1983, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Edward Wang at The University of California, Berkeley. 7 * 8 * %sccs.include.redist.c% 9 */ 10 11 #ifndef lint 12 static char sccsid[] = "@(#)wwsuspend.c 8.1 (Berkeley) 06/06/93"; 13 #endif /* not lint */ 14 15 #include "ww.h" 16 #include "tt.h" 17 #include <sys/signal.h> 18 19 wwsuspend() 20 { 21 sig_t oldsig; 22 23 oldsig = signal(SIGTSTP, SIG_IGN); 24 wwend(0); 25 (void) signal(SIGTSTP, SIG_DFL); 26 (void) kill(0, SIGTSTP); 27 (void) signal(SIGTSTP, SIG_IGN); 28 wwstart(); 29 (void) signal(SIGTSTP, oldsig); 30 } 31