poco/Foundation/src/SharedLibrary_VMS.cpp
Roger Meier b0581433a7 LICENSE: add info about SPDX-License-Identifier usage and use it
fix: remove executable flag and change back to 100644 (was 100755)

Signed-off-by: Roger Meier <r.meier@siemens.com>
2014-05-14 08:38:09 +02:00

120 lines
2.2 KiB
C++

//
// SharedLibrary_VMS.cpp
//
// $Id: //poco/1.4/Foundation/src/SharedLibrary_VMS.cpp#2 $
//
// Library: Foundation
// Package: SharedLibrary
// Module: SharedLibrary
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "Poco/SharedLibrary_VMS.h"
#include "Poco/Path.h"
#include <lib$routines.h>
#include <libdef.h>
#include <descrip.h>
#include <chfdef.h>
#include <libfisdef.h>
namespace Poco {
FastMutex SharedLibraryImpl::_mutex;
SharedLibraryImpl::SharedLibraryImpl()
{
}
SharedLibraryImpl::~SharedLibraryImpl()
{
}
void SharedLibraryImpl::loadImpl(const std::string& path, int /*flags*/)
{
FastMutex::ScopedLock lock(_mutex);
if (!_path.empty()) throw LibraryAlreadyLoadedException(path);
_path = path;
}
void SharedLibraryImpl::unloadImpl()
{
_path.clear();
}
bool SharedLibraryImpl::isLoadedImpl() const
{
return !_path.empty();
}
void* SharedLibraryImpl::findSymbolImpl(const std::string& name)
{
FastMutex::ScopedLock lock(_mutex);
if (_path.empty()) return NULL;
Path p(_path);
std::string filename = p.getBaseName();
std::string ext = p.getExtension();
std::string imageSpec = p.makeParent().toString();
if (!imageSpec.empty() && !ext.empty())
{
imageSpec.append(".");
imageSpec.append(ext);
}
int value = 0;
long flags = LIB$M_FIS_MIXEDCASE;
POCO_DESCRIPTOR_STRING(filenameDsc, filename);
POCO_DESCRIPTOR_STRING(symbolDsc, name);
POCO_DESCRIPTOR_STRING(imageSpecDsc, imageSpec);
try
{
// lib$find_image_symbol only accepts 32-bit pointers
#pragma pointer_size save
#pragma pointer_size 32
lib$find_image_symbol(&filenameDsc, &symbolDsc, &value, imageSpec.empty() ? 0 : &imageSpecDsc, flags);
#pragma pointer_size restore
}
catch (struct chf$signal_array& sigarr)
{
unsigned sig = sigarr.chf$is_sig_name;
unsigned act = LIB$_ACTIMAGE;
if (lib$match_cond(&sig, &act))
throw LibraryLoadException(_path);
}
return (void*) value;
}
const std::string& SharedLibraryImpl::getPathImpl() const
{
return _path;
}
std::string SharedLibraryImpl::suffixImpl()
{
#if defined(_DEBUG)
return "d.exe";
#else
return ".exe";
#endif
}
} // namespace Poco