From 7578f068b6dd10641ced7d08d5eebb4654c4911c Mon Sep 17 00:00:00 2001 From: Vadim Dashevskiy Date: Fri, 14 Feb 2014 15:34:14 +0000 Subject: Dbx_tree moved to deprecated git-svn-id: http://svn.miranda-ng.org/main/trunk@8122 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c --- plugins/!Deprecated/Dbx_tree/src/MREWSync.h | 55 +++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 plugins/!Deprecated/Dbx_tree/src/MREWSync.h (limited to 'plugins/!Deprecated/Dbx_tree/src/MREWSync.h') diff --git a/plugins/!Deprecated/Dbx_tree/src/MREWSync.h b/plugins/!Deprecated/Dbx_tree/src/MREWSync.h new file mode 100644 index 0000000000..2ffcbc08d7 --- /dev/null +++ b/plugins/!Deprecated/Dbx_tree/src/MREWSync.h @@ -0,0 +1,55 @@ +/* + +dbx_tree: tree database driver for Miranda IM + +Copyright 2007-2010 Michael "Protogenes" Kunz, + +This program is free software; you can redistribute it and/or +modify it under the terms of the GNU General Public License +as published by the Free Software Foundation; either version 2 +of the License, or (at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +*/ + +#pragma once + +#include +#include "TLS.h" +#include "stdint.h" + +class CMultiReadExclusiveWriteSynchronizer +{ +private: + uint64_t volatile m_Sentinel; + HANDLE m_ReadSignal[2]; + HANDLE m_WriteSignal; + + volatile uint32_t m_Revision; + unsigned int m_WriterID; + unsigned int m_WriteRecursion; + + CThreadLocalStorage tls; + +public: + CMultiReadExclusiveWriteSynchronizer(); + virtual ~CMultiReadExclusiveWriteSynchronizer(); + + void BeginRead(); + void EndRead(); + bool BeginWrite(); + bool TryBeginWrite(); + bool EndWrite(); + + unsigned int Waiting(); + unsigned int WriteRecursionCount() {return m_WriteRecursion;}; + +}; -- cgit v1.2.3