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/*------------------------------------------------------------------------------
* Copyright (C) 2003-2006 Ben van Klinken and the CLucene Team
*
* Distributable under the terms of either the Apache License (Version 2.0) or
* the GNU Lesser General Public License, as specified in the COPYING file.
------------------------------------------------------------------------------*/
//NOTE: do not include this file directly, it is included from lucene internally.
#ifndef lucene_config_threadCSection_h
#define lucene_config_threadCSection_h
#if defined(_LUCENE_PRAGMA_ONCE)
# pragma once
#endif
CL_NS_DEF(util)
#if !defined(LUCENE_USE_WINDOWS_H) && !defined(_WINDOWS_) && !defined(__MINGW32__)
//we have not explicity included windows.h and windows.h has
//not been included (check _WINDOWS_), then we must define
//our own definitions to the thread locking functions:
struct CRITICAL_SECTION
{
struct critical_section_debug * DebugInfo;
long LockCount;
long RecursionCount;
void * OwningThread;
void * LockSemaphore;
#if defined(_WIN64)
unsigned __int64 SpinCount;
#else
unsigned long SpinCount;
#endif
};
#endif
///a windows implementation of the lock mutex
///todo: boost has a InterlockedExchange way of locking too. More backwards compatible/faster???
class mutex_win32
{
private:
CRITICAL_SECTION mtx;
public:
mutex_win32(const mutex_win32& clone);
mutex_win32();
~mutex_win32();
void lock();
void unlock();
};
class CLuceneThreadIdCompare
{
public:
enum
{ // parameters for hash table
bucket_size = 4, // 0 < bucket_size
min_buckets = 8
}; // min_buckets = 2 ^^ N, 0 < N
bool operator()( DWORD t1, DWORD t2 ) const{
return t1 < t2;
}
};
#define _LUCENE_SLEEP(x) Sleep(x)
#define _LUCENE_THREADMUTEX CL_NS(util)::mutex_win32
#define _LUCENE_CURRTHREADID GetCurrentThreadId()
#define _LUCENE_THREADID_TYPE DWORD
CL_NS_END
#endif //lucene_config_threadCSection_h
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