1 /* -*- buffer-read-only: t -*- vi: set ro: */
2 /* DO NOT EDIT! GENERATED AUTOMATICALLY! */
3 /* Open the master side of a pseudo-terminal.
4 Copyright (C) 2010-2014 Free Software Foundation, Inc.
6 This program is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>. */
26 #if defined __OpenBSD__
27 # include <sys/ioctl.h>
31 /* posix_openpt() is already provided on
32 glibc >= 2.2.1 (but is a stub on GNU/Hurd),
34 FreeBSD >= 5.1 (lived in src/lib/libc/stdlib/grantpt.c before 8.0),
36 AIX >= 5.2, HP-UX >= 11.31, Solaris >= 10, Cygwin >= 1.7.
37 Thus, this replacement function is compiled on
38 Mac OS X 10.3, OpenBSD 4.9, Minix 3.1.8,
39 AIX 5.1, HP-UX 11.23, IRIX 6.5, OSF/1 5.1, Solaris 9,
40 Cygwin 1.5.x, mingw, MSVC 9, Interix 3.5, BeOS.
43 - HP-UX 10..11, IRIX 6.5, OSF/1 5.1, Solaris 2.6..9, Cygwin 1.5
45 - HP-UX 10..11 also has /dev/ptym/clone, but this should not be needed.
46 - OpenBSD 4.9 has /dev/ptm and the PTMGET ioctl.
47 - Minix 3.1.8 have a list of pseudo-terminal devices in /dev.
48 - On native Windows, there are no ttys at all. */
51 posix_openpt (int flags)
57 master = open ("/dev/ptc", flags);
59 #elif (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__ /* mingw */
61 /* Mingw lacks pseudo-terminals altogether. */
65 #elif defined __OpenBSD__
67 /* On OpenBSD, master and slave of a pseudo-terminal are allocated together,
68 by opening /dev/ptm and applying the PTMGET ioctl to it. */
72 fd = open (PATH_PTMDEV, O_RDWR);
75 if (ioctl (fd, PTMGET, &data) >= 0)
83 int saved_errno = errno;
92 #else /* Mac OS X, Minix, HP-UX, IRIX, OSF/1, Solaris 9, Cygwin 1.5 */
94 /* Most systems that lack posix_openpt() have /dev/ptmx. */
95 master = open ("/dev/ptmx", flags);
97 /* If all this does not work, we could try to open, one by one:
98 - On Mac OS X: /dev/pty[p-w][0-9a-f]
99 - On *BSD: /dev/pty[p-sP-S][0-9a-v]
100 - On Minix: /dev/pty[p-q][0-9a-f]
101 - On AIX: /dev/ptyp[0-9a-f]
102 - On HP-UX: /dev/pty[p-r][0-9a-f]
103 - On OSF/1: /dev/pty[p-q][0-9a-f]
104 - On Solaris: /dev/pty[p-r][0-9a-f]