mirror of
https://github.com/reactos/CMake.git
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96afb12087
This converts the CMake license to a pure 3-clause OSI-approved BSD License. We drop the previous license clause requiring modified versions to be plainly marked. We also update the CMake copyright to cover the full development time range.
113 lines
3.0 KiB
C++
113 lines
3.0 KiB
C++
/*============================================================================
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CMake - Cross Platform Makefile Generator
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Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
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see accompanying file Copyright.txt for details.
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This software is distributed WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the License for more information.
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============================================================================*/
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#include "cmDynamicLoader.h"
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class cmDynamicLoaderCache
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{
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public:
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~cmDynamicLoaderCache();
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void CacheFile(const char* path,
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const cmsys::DynamicLoader::LibraryHandle&);
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bool GetCacheFile(const char* path, cmsys::DynamicLoader::LibraryHandle&);
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bool FlushCache(const char* path);
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void FlushCache();
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static cmDynamicLoaderCache* GetInstance();
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private:
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std::map<cmStdString, cmsys::DynamicLoader::LibraryHandle> CacheMap;
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static cmDynamicLoaderCache* Instance;
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};
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cmDynamicLoaderCache* cmDynamicLoaderCache::Instance = 0;
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cmDynamicLoaderCache::~cmDynamicLoaderCache()
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{
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}
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void cmDynamicLoaderCache::CacheFile(const char* path,
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const cmsys::DynamicLoader::LibraryHandle& p)
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{
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cmsys::DynamicLoader::LibraryHandle h;
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if ( this->GetCacheFile(path, h) )
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{
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this->FlushCache(path);
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}
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this->CacheMap[path] = p;
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}
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bool cmDynamicLoaderCache::GetCacheFile(const char* path,
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cmsys::DynamicLoader::LibraryHandle& p)
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{
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std::map<cmStdString, cmsys::DynamicLoader::LibraryHandle>::iterator it
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= this->CacheMap.find(path);
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if ( it != this->CacheMap.end() )
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{
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p = it->second;
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return true;
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}
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return false;
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}
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bool cmDynamicLoaderCache::FlushCache(const char* path)
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{
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std::map<cmStdString, cmsys::DynamicLoader::LibraryHandle>::iterator it
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= this->CacheMap.find(path);
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bool ret = false;
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if ( it != this->CacheMap.end() )
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{
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cmsys::DynamicLoader::CloseLibrary(it->second);
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this->CacheMap.erase(it);
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ret = true;
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}
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return ret;
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}
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void cmDynamicLoaderCache::FlushCache()
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{
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for ( std::map<cmStdString,
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cmsys::DynamicLoader::LibraryHandle>::iterator it
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= this->CacheMap.begin();
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it != this->CacheMap.end(); it++ )
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{
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cmsys::DynamicLoader::CloseLibrary(it->second);
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}
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delete cmDynamicLoaderCache::Instance;
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cmDynamicLoaderCache::Instance = 0;
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}
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cmDynamicLoaderCache* cmDynamicLoaderCache::GetInstance()
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{
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if ( !cmDynamicLoaderCache::Instance )
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{
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cmDynamicLoaderCache::Instance = new cmDynamicLoaderCache;
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}
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return cmDynamicLoaderCache::Instance;
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}
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cmsys::DynamicLoader::LibraryHandle cmDynamicLoader::OpenLibrary(
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const char* libname )
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{
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cmsys::DynamicLoader::LibraryHandle lh;
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if ( cmDynamicLoaderCache::GetInstance()->GetCacheFile(libname, lh) )
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{
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return lh;
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}
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lh = cmsys::DynamicLoader::OpenLibrary(libname);
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cmDynamicLoaderCache::GetInstance()->CacheFile(libname, lh);
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return lh;
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}
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void cmDynamicLoader::FlushCache()
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{
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cmDynamicLoaderCache::GetInstance()->FlushCache();
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}
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