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//
// SharedLibrary_UNIX.cpp
//
// 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_UNIX.h"
#include "Poco/Exception.h"
#include <dlfcn.h>
// Note: cygwin is missing RTLD_LOCAL, set it to 0
#if defined(__CYGWIN__) && !defined(RTLD_LOCAL)
#define RTLD_LOCAL 0
#endif
namespace Poco {
FastMutex SharedLibraryImpl::_mutex;
SharedLibraryImpl::SharedLibraryImpl()
{
_handle = 0;
}
SharedLibraryImpl::~SharedLibraryImpl()
{
}
void SharedLibraryImpl::loadImpl(const std::string& path, int flags)
{
FastMutex::ScopedLock lock(_mutex);
if (_handle) throw LibraryAlreadyLoadedException(path);
int realFlags = RTLD_LAZY;
if (flags & SHLIB_LOCAL_IMPL)
realFlags |= RTLD_LOCAL;
else
realFlags |= RTLD_GLOBAL;
_handle = dlopen(path.c_str(), realFlags);
if (!_handle)
{
const char* err = dlerror();
throw LibraryLoadException(err ? std::string(err) : path);
}
_path = path;
}
void SharedLibraryImpl::unloadImpl()
{
FastMutex::ScopedLock lock(_mutex);
if (_handle)
{
dlclose(_handle);
_handle = 0;
}
}
bool SharedLibraryImpl::isLoadedImpl() const
{
return _handle != 0;
}
void* SharedLibraryImpl::findSymbolImpl(const std::string& name)
{
FastMutex::ScopedLock lock(_mutex);
void* result = 0;
if (_handle)
{
result = dlsym(_handle, name.c_str());
}
return result;
}
const std::string& SharedLibraryImpl::getPathImpl() const
{
return _path;
}
std::string SharedLibraryImpl::suffixImpl()
{
#if defined(__APPLE__)
#if defined(_DEBUG) && !defined(POCO_NO_SHARED_LIBRARY_DEBUG_SUFFIX)
return "d.dylib";
#else
return ".dylib";
#endif
#elif defined(hpux) || defined(_hpux)
#if defined(_DEBUG) && !defined(POCO_NO_SHARED_LIBRARY_DEBUG_SUFFIX)
return "d.sl";
#else
return ".sl";
#endif
#elif defined(__CYGWIN__)
#if defined(_DEBUG) && !defined(POCO_NO_SHARED_LIBRARY_DEBUG_SUFFIX)
return "d.dll";
#else
return ".dll";
#endif
#else
#if defined(_DEBUG) && !defined(POCO_NO_SHARED_LIBRARY_DEBUG_SUFFIX)
return "d.so";
#else
return ".so";
#endif
#endif
}
bool SharedLibraryImpl::setSearchPathImpl(const std::string&)
{
return false;
}
} // namespace Poco
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