diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/tcsetattr.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/tcsetattr.c | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/sysdeps/unix/sysv/linux/tcsetattr.c b/sysdeps/unix/sysv/linux/tcsetattr.c deleted file mode 100644 index c7d1d6539e..0000000000 --- a/sysdeps/unix/sysv/linux/tcsetattr.c +++ /dev/null @@ -1,80 +0,0 @@ -/* Copyright (C) 1993-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - 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 <string.h> -#include <termios.h> -#include <sys/ioctl.h> -#include <sys/types.h> -#include <sysdep.h> - -/* The difference here is that the termios structure used in the - kernel is not the same as we use in the libc. Therefore we must - translate it here. */ -#include <kernel_termios.h> - - -/* This is a gross hack around a kernel bug. If the cfsetispeed functions - is called with the SPEED argument set to zero this means use the same - speed as for output. But we don't have independent input and output - speeds and therefore cannot record this. - - We use an unused bit in the `c_iflag' field to keep track of this - use of `cfsetispeed'. The value here must correspond to the one used - in `speed.c'. */ -#define IBAUD0 020000000000 - - -/* Set the state of FD to *TERMIOS_P. */ -int -tcsetattr (int fd, int optional_actions, const struct termios *termios_p) -{ - struct __kernel_termios k_termios; - unsigned long int cmd; - - switch (optional_actions) - { - case TCSANOW: - cmd = TCSETS; - break; - case TCSADRAIN: - cmd = TCSETSW; - break; - case TCSAFLUSH: - cmd = TCSETSF; - break; - default: - return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL); - } - - k_termios.c_iflag = termios_p->c_iflag & ~IBAUD0; - k_termios.c_oflag = termios_p->c_oflag; - k_termios.c_cflag = termios_p->c_cflag; - k_termios.c_lflag = termios_p->c_lflag; - k_termios.c_line = termios_p->c_line; -#if defined _HAVE_C_ISPEED && defined _HAVE_STRUCT_TERMIOS_C_ISPEED - k_termios.c_ispeed = termios_p->c_ispeed; -#endif -#if defined _HAVE_C_OSPEED && defined _HAVE_STRUCT_TERMIOS_C_OSPEED - k_termios.c_ospeed = termios_p->c_ospeed; -#endif - memcpy (&k_termios.c_cc[0], &termios_p->c_cc[0], - __KERNEL_NCCS * sizeof (cc_t)); - - return INLINE_SYSCALL (ioctl, 3, fd, cmd, &k_termios); -} -libc_hidden_def (tcsetattr) |