diff options
Diffstat (limited to 'sysdeps/unix/sysv/tcflush.c')
-rw-r--r-- | sysdeps/unix/sysv/tcflush.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/tcflush.c b/sysdeps/unix/sysv/tcflush.c new file mode 100644 index 0000000..88574a5 --- /dev/null +++ b/sysdeps/unix/sysv/tcflush.c @@ -0,0 +1,44 @@ +/* Copyright (C) 1992 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 Library General Public License as +published by the Free Software Foundation; either version 2 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 +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <ansidecl.h> +#include <errno.h> +#include <stddef.h> +#include <termios.h> +#include <unistd.h> +#include <sys/ioctl.h> + +#include <sysv_termio.h> + +/* Flush pending data on FD. */ +int +DEFUN(tcflush, (fd, queue_selector), int fd AND int queue_selector) +{ + switch (queue_selector) + { + case TCIFLUSH: + return __ioctl (fd, _TCFLSH, 0); + case TCOFLUSH: + return __ioctl (fd, _TCFLSH, 1); + case TCIOFLUSH: + return __ioctl (fd, _TCFLSH, 2); + default: + errno = EINVAL; + return -1; + } +} |