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/* Copyright (C) 1998 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1998. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ #include <sys/types.h> #include <termios.h> #include <unistd.h> #include <utmp.h> #include <pty.h> int forkpty (int *amaster, char *name, struct termios *termp, struct winsize *winp) { int master, slave, pid; if (openpty (&master, &slave, name, termp, winp) == -1) return -1; switch (pid = fork ()) { case -1: return -1; case 0: /* Child. */ close (master); if (login_tty (slave)) _exit (1); return 0; default: /* Parent. */ *amaster = master; close (slave); return pid; } } |