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[/] [or1k/] [trunk/] [linux/] [uClibc/] [libutil/] [forkpty.c] - Blame information for rev 1771

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Line No. Rev Author Line
1 1325 phoenix
/* Copyright (C) 1998 Free Software Foundation, Inc.
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   This file is part of the GNU C Library.
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   Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1998.
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   The GNU C Library is free software; you can redistribute it and/or
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   modify it under the terms of the GNU Library General Public License as
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   published by the Free Software Foundation; either version 2 of the
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   License, or (at your option) any later version.
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   The GNU C Library is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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   Library General Public License for more details.
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   You should have received a copy of the GNU Library General Public
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   License along with the GNU C Library; see the file COPYING.LIB.  If not,
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   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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   Boston, MA 02111-1307, USA.  */
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#include <sys/types.h>
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#include <termios.h>
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#include <unistd.h>
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#include <utmp.h>
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#include <pty.h>
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int forkpty (int *amaster, char *name,
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        struct termios *termp, struct winsize *winp)
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{
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    int master, slave, pid;
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    if (openpty (&master, &slave, name, termp, winp) == -1)
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        return -1;
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    switch (pid = fork ())
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    {
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        case -1:
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            return -1;
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        case 0:
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            /* Child.  */
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            close (master);
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            if (login_tty (slave))
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                _exit (1);
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            return 0;
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        default:
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            /* Parent.  */
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            *amaster = master;
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            close (slave);
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            return pid;
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    }
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}

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