Subversion Repositories openrisc_2011-10-31

/*

 *  Termios initialization routine

 *

 *  Author:

 *    W. Eric Norum

 *    Saskatchewan Accelerator Laboratory

 *    University of Saskatchewan

 *    Saskatoon, Saskatchewan, CANADA

 *    eric@skatter.usask.ca

 *

 *  The license and distribution terms for this file may be

 *  found in the file LICENSE in this distribution or at

 *  http://www.OARcorp.com/rtems/license.html.

 *

 *  $Id: termiosinitialize.c,v 1.2 2001-09-27 12:01:15 chris Exp $

 */

#include <rtems.h>

#include <rtems.h>

#include <rtems/libio.h>

#include <ctype.h>

#include <errno.h>

#include <stdio.h>

#include <stdlib.h>

#include <termios.h>

#include <unistd.h>

struct rtems_termios_tty *rtems_termios_ttyHead;

struct rtems_termios_tty *rtems_termios_ttyTail;

rtems_id rtems_termios_ttyMutex;

void

rtems_termios_initialize (void)

{

  rtems_status_code sc;

  /*

   * Create the mutex semaphore for the tty list

   */

  if (!rtems_termios_ttyMutex) {

    sc = rtems_semaphore_create (

      rtems_build_name ('T', 'R', 'm', 'i'),

      1,

      RTEMS_BINARY_SEMAPHORE | RTEMS_INHERIT_PRIORITY | RTEMS_PRIORITY,

      RTEMS_NO_PRIORITY,

      &rtems_termios_ttyMutex);

    if (sc != RTEMS_SUCCESSFUL)

      rtems_fatal_error_occurred (sc);

  }

}