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File: [Pegasus] / pegasus / src / Pegasus / General / DynamicLibrary.cpp
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Revision: 1.1, Tue May 5 07:31:02 2009 UTC (15 years, 2 months ago) by thilo.boehm Branch: MAIN CVS Tags: preBug9676, postBug9676, TASK_PEP317_1JUNE_2013, TASK-TASK_PEP362_RestfulService_branch-root, TASK-TASK_PEP362_RestfulService_branch-merged_out_from_trunk, TASK-TASK_PEP362_RestfulService_branch-merged_in_to_trunk, TASK-TASK_PEP362_RestfulService_branch-merged_in_from_branch, TASK-TASK_PEP362_RestfulService_branch-branch, TASK-PEP362_RestfulService-root, TASK-PEP362_RestfulService-merged_out_to_branch, TASK-PEP362_RestfulService-merged_out_from_trunk, TASK-PEP362_RestfulService-merged_in_to_trunk, TASK-PEP362_RestfulService-merged_in_from_branch, TASK-PEP362_RestfulService-branch, TASK-PEP348_SCMO-root, TASK-PEP348_SCMO-merged_out_to_branch, TASK-PEP348_SCMO-merged_out_from_trunk, TASK-PEP348_SCMO-merged_in_to_trunk, TASK-PEP348_SCMO-merged_in_from_branch, TASK-PEP348_SCMO-branch, TASK-PEP317_pullop-root, TASK-PEP317_pullop-merged_out_to_branch, TASK-PEP317_pullop-merged_out_from_trunk, TASK-PEP317_pullop-merged_in_to_trunk, TASK-PEP317_pullop-merged_in_from_branch, TASK-PEP317_pullop-branch, RELEASE_2_14_1, RELEASE_2_14_0-RC2, RELEASE_2_14_0-RC1, RELEASE_2_14_0, RELEASE_2_14-root, RELEASE_2_14-branch, RELEASE_2_13_0-RC2, RELEASE_2_13_0-RC1, RELEASE_2_13_0-FC, RELEASE_2_13_0, RELEASE_2_13-root, RELEASE_2_13-branch, RELEASE_2_12_1-RC1, RELEASE_2_12_1, RELEASE_2_12_0-RC1, RELEASE_2_12_0-FC, RELEASE_2_12_0, RELEASE_2_12-root, RELEASE_2_12-branch, RELEASE_2_11_2-RC1, RELEASE_2_11_2, RELEASE_2_11_1-RC1, RELEASE_2_11_1, RELEASE_2_11_0-RC1, RELEASE_2_11_0-FC, RELEASE_2_11_0, RELEASE_2_11-root, RELEASE_2_11-branch, RELEASE_2_10_1-RC1, RELEASE_2_10_1, RELEASE_2_10_0-RC2, RELEASE_2_10_0-RC1, RELEASE_2_10_0, RELEASE_2_10-root, RELEASE_2_10-branch, PREAUG25UPDATE, POSTAUG25UPDATE, HEAD, CIMRS_WORK_20130824, BeforeUpdateToHeadOct82011 PEP#: 347 TITLE: Separate internal modules from current libpegcommon library DESCRIPTION: File is moved from Pegasus/Common to Pegasus/General |
//%LICENSE//////////////////////////////////////////////////////////////// // // Licensed to The Open Group (TOG) under one or more contributor license // agreements. Refer to the OpenPegasusNOTICE.txt file distributed with // this work for additional information regarding copyright ownership. // Each contributor licenses this file to you under the OpenPegasus Open // Source License; you may not use this file except in compliance with the // License. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the "Software"), // to deal in the Software without restriction, including without limitation // the rights to use, copy, modify, merge, publish, distribute, sublicense, // and/or sell copies of the Software, and to permit persons to whom the // Software is furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. // IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY // CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, // TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE // SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. // ////////////////////////////////////////////////////////////////////////// // //%///////////////////////////////////////////////////////////////////////////// #include <Pegasus/Common/PegasusAssert.h> #include "DynamicLibrary.h" #if defined(PEGASUS_OS_TYPE_WINDOWS) # include "DynamicLibraryWindows.cpp" #elif defined(PEGASUS_OS_TYPE_UNIX) || defined(PEGASUS_OS_VMS) # include "DynamicLibraryPOSIX.cpp" #else # error "Unsupported platform" #endif PEGASUS_NAMESPACE_BEGIN DynamicLibrary::DynamicLibrary() : _handle(0), _referenceCount(0) { } DynamicLibrary::DynamicLibrary(const DynamicLibrary& library) : _fileName(library._fileName), _handle(0), _referenceCount(0) { // load the module again, if necessary. this effectively increments the // operating system's reference count for the module. if (library.isLoaded()) { if (load()) { _referenceCount = library._referenceCount; } } } DynamicLibrary::DynamicLibrary(const String& fileName) : _fileName(fileName), _handle(0), _referenceCount(0) { } DynamicLibrary::~DynamicLibrary() { // Unload the module, if necessary, to keep the operating system's // reference count accurate. One call to _unload() takes care of it // no matter how high _referenceCount is. if (_referenceCount > 0) { PEGASUS_ASSERT(_handle != 0); _unload(); } } DynamicLibrary& DynamicLibrary::operator=(const DynamicLibrary& library) { if (this == &library) { return *this; } while (isLoaded()) { unload(); } _fileName = library._fileName; // load the module again, if necessary. this effectively increments the // operating system's reference count for the module. if (library.isLoaded()) { if (load()) { _referenceCount = library._referenceCount; } } return *this; } Boolean DynamicLibrary::isLoaded() const { return _handle != 0; } Boolean DynamicLibrary::load() { AutoMutex lock(_loadMutex); Boolean loaded = true; if (_referenceCount == 0) { PEGASUS_ASSERT(_handle == 0); loaded = _load(); } if (loaded) { PEGASUS_ASSERT(_handle != 0); _referenceCount++; } return loaded; } const String& DynamicLibrary::getLoadErrorMessage() const { return _loadErrorMessage; } void DynamicLibrary::unload() { AutoMutex lock(_loadMutex); PEGASUS_ASSERT(_referenceCount > 0); PEGASUS_ASSERT(_handle != 0); _referenceCount--; if (_referenceCount == 0) { _unload(); _handle = 0; _loadErrorMessage.clear(); } } const String& DynamicLibrary::getFileName() const { return _fileName; } PEGASUS_NAMESPACE_END
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