spinlock-r0drv-linux.c revision 677833bc953b6cb418c701facbdcf4aa18d6c44e
/* $Id$ */
/** @file
* InnoTek Portable Runtime - Spinlocks, Ring-0 Driver, Linux.
*/
/*
* Copyright (C) 2006 InnoTek Systemberatung 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.
*
* If you received this file as part of a commercial VirtualBox
* distribution, then only the terms of your commercial VirtualBox
* license agreement apply instead of the previous paragraph.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#include "the-linux-kernel.h"
#include <iprt/spinlock.h>
#include <linux/spinlock.h>
/*******************************************************************************
* Structures and Typedefs *
*******************************************************************************/
/**
* Wrapper for the spinlock_t structure.
*/
typedef struct RTSPINLOCKINTERNAL
{
/** Spinlock magic value (RTSPINLOCK_MAGIC). */
/** The linux spinlock structure. */
#if !defined(CONFIG_SMP) || defined(__AMD64__)
/** A placeholder on Uni systems so we won't piss off RTMemAlloc(). */
void *pvUniDummy;
#endif
/** Magic value for RTSPINLOCKINTERNAL::u32Magic. (Terry Pratchett) */
#define RTSPINLOCK_MAGIC 0x19480428
{
/*
* Allocate.
*/
Assert(sizeof(RTSPINLOCKINTERNAL) > sizeof(void *));
if (!pSpinlockInt)
return VERR_NO_MEMORY;
/*
* Initialize and return.
*/
return VINF_SUCCESS;
}
{
/*
* Validate input.
*/
if (!pSpinlockInt)
return VERR_INVALID_PARAMETER;
{
return VERR_INVALID_PARAMETER;
}
return VINF_SUCCESS;
}
{
}
{
}
{
}
{
}