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File: [Pegasus] / pegasus / src / Pegasus / Common / Attic / DynamicLibrary.cpp
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Revision: 1.19, Tue May 13 22:51:34 2008 UTC (16 years, 1 month ago) by dmitry.mikulin Branch: MAIN CVS Tags: TASK_PEP328_SOLARIS_NEVADA_PORT, TASK-PEP328_SOLARIS_NEVADA_PORT_v2-root, TASK-PEP328_SOLARIS_NEVADA_PORT_v2-branch, TASK-PEP328_SOLARIS_NEVADA_PORT-root, TASK-PEP328_SOLARIS_NEVADA_PORT-branch, TASK-PEP328_SOLARIS_IX86_CC_PORT-root, TASK-PEP328_SOLARIS_IX86_CC_PORT-branch-v2, TASK-PEP328_SOLARIS_IX86_CC_PORT-branch, TASK-PEP311_WSMan-root, TASK-PEP311_WSMan-branch, RELEASE_2_8_2-RC1, RELEASE_2_8_2, RELEASE_2_8_1-RC1, RELEASE_2_8_1, RELEASE_2_8_0_BETA, RELEASE_2_8_0-RC2, RELEASE_2_8_0-RC1, RELEASE_2_8_0-FC, RELEASE_2_8_0, RELEASE_2_8-root, RELEASE_2_8-branch, Makefile Changes since 1.18: +0 -2 lines BUG#: 7655 TITLE: Replace the use of shl_load() with dlopen() on HP-UX PA DESCRIPTION: Took out references to PEGASUS_HPUX_USE_DLOPEN and removed HPUX-specific implementation of library open/close interfaces to make HPUX version use POSIX implementation. |
//%2006//////////////////////////////////////////////////////////////////////// // // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems. // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.; // IBM Corp.; EMC Corporation, The Open Group. // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.; // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group. // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.; // EMC Corporation; VERITAS Software Corporation; The Open Group. // Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.; // EMC Corporation; Symantec Corporation; The Open Group. // // 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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