diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/unlockpt.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/unlockpt.c | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/sysdeps/unix/sysv/linux/unlockpt.c b/sysdeps/unix/sysv/linux/unlockpt.c deleted file mode 100644 index 4fa0082b4f..0000000000 --- a/sysdeps/unix/sysv/linux/unlockpt.c +++ /dev/null @@ -1,48 +0,0 @@ -/* Copyright (C) 1998-2017 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 <errno.h> -#include <stdlib.h> -#include <sys/ioctl.h> -#include <termios.h> - - -/* Unlock the slave pseudo terminal associated with the master pseudo - terminal specified by FD. */ -int -unlockpt (int fd) -{ -#ifdef TIOCSPTLCK - int save_errno = errno; - int unlock = 0; - - if (__ioctl (fd, TIOCSPTLCK, &unlock)) - { - if (errno == EINVAL) - { - __set_errno (save_errno); - return 0; - } - else - return -1; - } -#endif - /* If we have no TIOCSPTLCK ioctl, all slave pseudo terminals are - unlocked by default. */ - return 0; -} |