/* * Copyright (c) 2008 Apple Inc. All Rights Reserved. * * @APPLE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ // // vproc++ - interface to low-level transaction tracking facility // #ifndef _H_VPROCPP #define _H_VPROCPP #include <vproc.h> namespace Security { namespace VProc { class Transaction { public: Transaction(vproc_t vp = 0) : mVP(vp) { mTransaction = ::vproc_transaction_begin(vp); } Transaction(bool activate, vproc_t vp = 0) : mVP(vp) { if (activate) mTransaction = ::vproc_transaction_begin(vp); else mTransaction = 0; } ~Transaction() { deactivate(); } // explicit state management void activate(); void deactivate() { if (mTransaction) { ::vproc_transaction_end(mVP, mTransaction); mTransaction = 0; }} bool active() const { return mTransaction != 0; } static size_t debugCount(); // debug use only private: vproc_t mVP; vproc_transaction_t mTransaction; }; } // end namespace VProc } // end namespace Security #endif //_H_VPROCPP