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