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Annotation of 43BSD/ucb/window/wwenviron.c, revision 1.1.1.1

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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