/* $Id$ */
/** @file
* IPRT - Internal RTLockValidator header.
*/
/*
* Copyright (C) 2006-2011 Oracle Corporation
*
* 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.
*/
#ifndef ___iprt_internal_lockvalidator_h
#define ___iprt_internal_lockvalidator_h
#include <iprt/lockvalidator.h>
/**
* Record used only on the lock stack for recording the stack and source
* position of a recursive lock acquisition.
*/
typedef struct RTLOCKVALRECNEST
{
/** The recursion level at this point in the stack. */
/** Pointer to the next record on the stack. */
/** Pointer to the first recursion. */
/** Pointer to the next free record when in the
* RTLOCKVALPERTHREAD::pFreeNestRecs list. */
/** The source position. */
/** Pointer to a recursion record. */
/**
* Record union for simplifying internal processing.
*/
typedef union RTLOCKVALRECUNION
{
/**
* Per thread data for the lock validator.
*
* This is part of the RTTHREADINT structure.
*/
typedef struct RTLOCKVALPERTHREAD
{
/** Where we are blocking. */
/** Top of the lock stack. */
/** List of free recursion (nesting) record. */
/** What we're blocking on.
* The lock validator sets this, RTThreadUnblock clears it. */
/** The state in which pRec that goes with pRec.
* RTThreadUnblocking uses this to figure out when to clear pRec. */
/** The thread is running inside the lock validator. */
bool volatile fInValidator;
/** Reserved for alignment purposes. */
/** Number of registered write locks, mutexes and critsects that this thread owns. */
/** Number of registered read locks that this thread owns, nesting included. */
/** Bitmap indicating which entires are free (set) and allocated (clear). */
/** Reserved for alignment purposes. */
/** Statically allocated shared owner records */
DECLHIDDEN(void) rtLockValidatorSerializeDestructEnter(void);
DECLHIDDEN(void) rtLockValidatorSerializeDestructLeave(void);
#endif