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140 lines
3.6 KiB
C++
140 lines
3.6 KiB
C++
//
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// SharedLibrary_VMS.cpp
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//
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// $Id: //poco/1.2/Foundation/src/SharedLibrary_VMS.cpp#1 $
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//
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// Library: Foundation
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// Package: SharedLibrary
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// Module: SharedLibrary
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//
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// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// Permission is hereby granted, free of charge, to any person or organization
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// obtaining a copy of the software and accompanying documentation covered by
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// this license (the "Software") to use, reproduce, display, distribute,
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// execute, and transmit the Software, and to prepare derivative works of the
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// Software, and to permit third-parties to whom the Software is furnished to
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// do so, all subject to the following:
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//
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// The copyright notices in the Software and this entire statement, including
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// the above license grant, this restriction and the following disclaimer,
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// must be included in all copies of the Software, in whole or in part, and
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// all derivative works of the Software, unless such copies or derivative
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// works are solely in the form of machine-executable object code generated by
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// a source language processor.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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#include "Poco/SharedLibrary_VMS.h"
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#include "Poco/Path.h"
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#include <lib$routines.h>
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#include <libdef.h>
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#include <descrip.h>
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#include <chfdef.h>
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#include <libfisdef.h>
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namespace Poco {
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FastMutex SharedLibraryImpl::_mutex;
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SharedLibraryImpl::SharedLibraryImpl()
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{
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}
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SharedLibraryImpl::~SharedLibraryImpl()
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{
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}
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void SharedLibraryImpl::loadImpl(const std::string& path)
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{
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FastMutex::ScopedLock lock(_mutex);
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if (!_path.empty()) throw LibraryAlreadyLoadedException(path);
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_path = path;
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}
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void SharedLibraryImpl::unloadImpl()
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{
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_path.clear();
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}
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bool SharedLibraryImpl::isLoadedImpl() const
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{
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return !_path.empty();
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}
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void* SharedLibraryImpl::findSymbolImpl(const std::string& name)
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{
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FastMutex::ScopedLock lock(_mutex);
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if (_path.empty()) return NULL;
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Path p(_path);
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std::string filename = p.getBaseName();
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std::string ext = p.getExtension();
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std::string imageSpec = p.makeParent().toString();
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if (!imageSpec.empty() && !ext.empty())
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{
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imageSpec.append(".");
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imageSpec.append(ext);
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}
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int value = 0;
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long flags = LIB$M_FIS_MIXEDCASE;
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POCO_DESCRIPTOR_STRING(filenameDsc, filename);
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POCO_DESCRIPTOR_STRING(symbolDsc, name);
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POCO_DESCRIPTOR_STRING(imageSpecDsc, imageSpec);
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try
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{
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// lib$find_image_symbol only accepts 32-bit pointers
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#pragma pointer_size save
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#pragma pointer_size 32
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lib$find_image_symbol(&filenameDsc, &symbolDsc, &value, imageSpec.empty() ? 0 : &imageSpecDsc, flags);
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#pragma pointer_size restore
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}
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catch (struct chf$signal_array& sigarr)
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{
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unsigned sig = sigarr.chf$is_sig_name;
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unsigned act = LIB$_ACTIMAGE;
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if (lib$match_cond(&sig, &act))
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throw LibraryLoadException(_path);
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}
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return (void*) value;
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}
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const std::string& SharedLibraryImpl::getPathImpl() const
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{
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return _path;
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}
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std::string SharedLibraryImpl::suffixImpl()
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{
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#if defined(_DEBUG)
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return "d.exe";
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#else
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return ".exe";
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#endif
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}
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} // namespace Poco
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