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Annotation of 43BSDReno/usr.bin/window/wwsuspend.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1983 Regents of the University of California.
                      3:  * 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:  * Redistribution and use in source and binary forms are permitted provided
                      9:  * that: (1) source distributions retain this entire copyright notice and
                     10:  * comment, and (2) distributions including binaries display the following
                     11:  * acknowledgement:  ``This product includes software developed by the
                     12:  * University of California, Berkeley and its contributors'' in the
                     13:  * documentation or other materials provided with the distribution and in
                     14:  * all advertising materials mentioning features or use of this software.
                     15:  * Neither the name of the University nor the names of its contributors may
                     16:  * be used to endorse or promote products derived from this software without
                     17:  * specific prior written permission.
                     18:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
                     19:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
                     20:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     21:  */
                     22: 
                     23: #ifndef lint
                     24: static char sccsid[] = "@(#)wwsuspend.c        3.13 (Berkeley) 6/6/90";
                     25: #endif /* not lint */
                     26: 
                     27: #include "ww.h"
                     28: #include "tt.h"
                     29: #include <sys/signal.h>
                     30: 
                     31: wwsuspend()
                     32: {
                     33:        sig_t oldsig;
                     34: 
                     35:        oldsig = signal(SIGTSTP, SIG_IGN);
                     36:        wwend();
                     37:        (void) signal(SIGTSTP, SIG_DFL);
                     38:        (void) kill(0, SIGTSTP);
                     39:        (void) signal(SIGTSTP, SIG_IGN);
                     40:        (void) wwsettty(0, &wwnewtty, &wwoldtty);
                     41:        xxstart();
                     42:        wwredraw();             /* XXX, clears the screen twice */
                     43:        (void) signal(SIGTSTP, oldsig);
                     44: }

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