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Annotation of 43BSD/ucb/window/wwenviron.c, revision 1.1

1.1     ! root        1: #ifndef lint
        !             2: static char sccsid[] = "@(#)wwenviron.c        3.14 5/2/86";
        !             3: #endif
        !             4: 
        !             5: /*
        !             6:  * Copyright (c) 1983 Regents of the University of California,
        !             7:  * All rights reserved.  Redistribution permitted subject to
        !             8:  * the terms of the Berkeley Software License Agreement.
        !             9:  */
        !            10: 
        !            11: #include "ww.h"
        !            12: #include <sys/signal.h>
        !            13: 
        !            14: /*
        !            15:  * Set up the environment of this process to run in window 'wp'.
        !            16:  */
        !            17: wwenviron(wp)
        !            18: register struct ww *wp;
        !            19: {
        !            20:        register i;
        !            21:        int pgrp = getpid();
        !            22: 
        !            23:        if ((i = open("/dev/tty", 0)) < 0)
        !            24:                goto bad;
        !            25:        if (ioctl(i, (int)TIOCNOTTY, (char *)0) < 0)
        !            26:                goto bad;
        !            27:        (void) close(i);
        !            28:        if ((i = wp->ww_socket) < 0 && (i = open(wp->ww_ttyname, 2)) < 0)
        !            29:                goto bad;
        !            30:        (void) dup2(i, 0);
        !            31:        (void) dup2(i, 1);
        !            32:        (void) dup2(i, 2);
        !            33:        for (i = wwdtablesize - 1; i > 2; i--)
        !            34:                (void) close(i);
        !            35:        (void) ioctl(0, (int)TIOCSPGRP, (char *)&pgrp);
        !            36:        (void) setpgrp(pgrp, pgrp);
        !            37:        (void) signal(SIGPIPE, SIG_DFL);
        !            38:        (void) sprintf(wwwintermcap, "TERMCAP=%sco#%d:li#%d:%s%s%s%s%s",
        !            39:                WWT_TERMCAP, wp->ww_w.nc, wp->ww_w.nr,
        !            40:                wwavailmodes & WWM_REV ? WWT_REV : "",
        !            41:                wwavailmodes & WWM_UL ? WWT_UL : "",
        !            42:                wwavailmodes & WWM_GRP ? WWT_GRP : "",
        !            43:                wwavailmodes & WWM_USR ? WWT_USR : "",
        !            44:                wwkeys);
        !            45:        return 0;
        !            46: bad:
        !            47:        wwerrno = WWE_SYS;
        !            48:        return -1;
        !            49: }

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