spinlock-r0drv-freebsd.c revision 1f1986470af9f0bb750dd859b142dc2e952deb20
/* $Id$ */
/** @file
* innotek Portable Runtime - Spinlocks, Ring-0 Driver, FreeBSD.
*/
/*
* Copyright (c) 2007 knut st. osmundsen <bird-src-spam@anduin.net>
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#include "the-freebsd-kernel.h"
#include <iprt/spinlock.h>
/*******************************************************************************
* Structures and Typedefs *
*******************************************************************************/
/**
* Wrapper for the struct mtx type.
*/
typedef struct RTSPINLOCKINTERNAL
{
/** Spinlock magic value (RTSPINLOCK_MAGIC). */
/** A FreeBSD spinlock. (mtx can be both sleep and spin lock.) */
{
/*
* Allocate.
*/
AssertCompile(sizeof(RTSPINLOCKINTERNAL) > sizeof(void *));
if (!pSpinlockInt)
return VERR_NO_MEMORY;
/*
* Initialize & return.
*/
return VINF_SUCCESS;
}
{
/*
* Validate input.
*/
if (!pSpinlockInt)
return VERR_INVALID_PARAMETER;
/*
* Make the lock invalid and release the memory.
*/
return VINF_SUCCESS;
}
{
}
{
}
{
}
{
}