source: rtems/cpukit/score/src/coretod.c

/* SPDX-License-Identifier: BSD-2-Clause */

/**
 * @file
 *
 * @ingroup RTEMSScoreTOD
 *
 * @brief This source file contains the definition of ::_TOD and the
 *   implementation of _TOD_Lock(), _TOD_Unlock(), and _TOD_Is_owner().
 */

/*  COPYRIGHT (c) 1989-2014.
 *  On-Line Applications Research Corporation (OAR).
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <rtems/score/todimpl.h>
#include <rtems/score/apimutex.h>

TOD_Control _TOD;

static API_Mutex_Control _TOD_Mutex = API_MUTEX_INITIALIZER( "_TOD" );

void _TOD_Lock( void )
{
  _API_Mutex_Lock( &_TOD_Mutex );
}

void _TOD_Unlock( void )
{
  _API_Mutex_Unlock( &_TOD_Mutex );
}

#if defined(RTEMS_DEBUG)
bool _TOD_Is_owner( void )
{
  return _API_Mutex_Is_owner( &_TOD_Mutex );
}
#endif