58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
/* Copyright (C) 1998, 2007 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 Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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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
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forkpty (amaster, name, termp, winp)
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int *amaster;
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char *name;
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const struct termios *termp;
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const 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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close (master);
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close (slave);
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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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