semfastmutex-r0drv-linux.c revision a8e0cb7ddfd05bcabf5e18959cf09e723f254663
/* $Id$ */
/** @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 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.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#include "the-linux-kernel.h"
#include <iprt/semaphore.h>
/*******************************************************************************
* Structures and Typedefs *
*******************************************************************************/
/**
* Wrapper for the linux semaphore structure.
*/
typedef struct RTSEMFASTMUTEXINTERNAL
{
/** Magic value (RTSEMFASTMUTEX_MAGIC). */
/** the linux semaphore. */
{
/*
* Allocate.
*/
if (!pFastInt)
return VERR_NO_MEMORY;
/*
* Initialize.
*/
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;
}
return VINF_SUCCESS;
}
{
/*
* Validate.
*/
if ( !pFastInt
{
AssertMsgFailed(("pFastInt->u32Magic=%RX32 pMutexInt=%p\n", pFastInt ? pFastInt->u32Magic : 0, pFastInt));
return VERR_INVALID_PARAMETER;
}
return VINF_SUCCESS;
}