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/*
* tcflush() - POSIX 1003.1b 7.2.2 - Line Control Functions
*
* COPYRIGHT (c) 1989-2010.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <sys/fcntl.h>
#include <termios.h>
#include <stdint.h>
#include <sys/ioccom.h>
#include <rtems/libio.h>
#include <rtems/libio_.h>
#include <rtems/seterr.h>
int tcflush( int fd, int which )
{
int com;
switch (which) {
case TCIFLUSH:
com = FREAD;
break;
case TCOFLUSH:
com = FWRITE;
break;
case TCIOFLUSH:
com = FREAD | FWRITE;
break;
default:
rtems_set_errno_and_return_minus_one( EINVAL );
}
return ioctl( fd, TIOCFLUSH, &com );
}
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