semfastmutex-r0drv-linux.c revision fe4be2b043180249b7f7d5b22aced0bfe75764c4
/* $Id$ */
/** @file
* innotek Portable Runtime - Fast Mutex Semaphores, Ring-0 Driver, Linux.
*/
/*
* Copyright (C) 2006-2007 innotek GmbH
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#include "the-linux-kernel.h"
#include <iprt/semaphore.h>
#ifdef IPRT_DEBUG_SEMS
#endif
/*******************************************************************************
* Structures and Typedefs *
*******************************************************************************/
/**
* Wrapper for the linux semaphore structure.
*/
typedef struct RTSEMFASTMUTEXINTERNAL
{
/** Magic value (RTSEMFASTMUTEX_MAGIC). */
/** the linux semaphore. */
#ifdef IPRT_DEBUG_SEMS
/** For check. */
RTNATIVETHREAD volatile Owner;
#endif
{
/*
* Allocate.
*/
if (!pFastInt)
return VERR_NO_MEMORY;
/*
* Initialize.
*/
#ifdef IPRT_DEBUG_SEMS
#endif
return VINF_SUCCESS;
}
{
/*
* Validate.
*/
if (!pFastInt)
return VERR_INVALID_PARAMETER;
{
return VERR_INVALID_PARAMETER;
}
return VINF_SUCCESS;
}
{
/*
* Validate.
*/
if ( !pFastInt
{
AssertMsgFailed(("pFastInt->u32Magic=%RX32 pMutexInt=%p\n", pFastInt ? pFastInt->u32Magic : 0, pFastInt));
return VERR_INVALID_PARAMETER;
}
#ifdef IPRT_DEBUG_SEMS
#endif
#ifdef IPRT_DEBUG_SEMS
#endif
return VINF_SUCCESS;
}
{
/*
* Validate.
*/
if ( !pFastInt
{
AssertMsgFailed(("pFastInt->u32Magic=%RX32 pMutexInt=%p\n", pFastInt ? pFastInt->u32Magic : 0, pFastInt));
return VERR_INVALID_PARAMETER;
}
#ifdef IPRT_DEBUG_SEMS
#endif
#ifdef IPRT_DEBUG_SEMS
#endif
return VINF_SUCCESS;
}