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/****************************************************************************
**
** Copyright (C) 2008-2012 NVIDIA Corporation.
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#pragma once
#ifndef QT3DS_LINUX_DYNAMIC_LIB_LOADER_H
#define QT3DS_LINUX_DYNAMIC_LIB_LOADER_H
#include <dlfcn.h>
#include "foundation/Qt3DSFoundation.h"
#include "foundation/Qt3DSBroadcastingAllocator.h"
namespace qt3ds {
namespace render {
using namespace qt3ds;
using namespace qt3ds::render;
class CLoadedDynamicLibrary
{
void *m_DLLHandle;
CLoadedDynamicLibrary(void *hdl)
: m_DLLHandle(hdl)
{
}
CLoadedDynamicLibrary(const CLoadedDynamicLibrary &);
CLoadedDynamicLibrary &operator=(const CLoadedDynamicLibrary &);
public:
~CLoadedDynamicLibrary()
{
if (m_DLLHandle)
{
#ifndef _INTEGRITYPLATFORM
::dlclose(m_DLLHandle);
#endif
}
m_DLLHandle = 0;
}
void *FindFunction(const char *name)
{
#ifndef _INTEGRITYPLATFORM
return ::dlsym(m_DLLHandle, name);
#else
qWarning() << "CLoadedDynamicLibrary::FindFunction returns NULL!";
return NULL;
#endif
}
static CLoadedDynamicLibrary *Create(const char *inFullDllPath, NVFoundationBase &fnd)
{
#ifndef _INTEGRITYPLATFORM
void *hdl = ::dlopen(inFullDllPath, RTLD_NOW);
if (hdl == 0) {
const char *error = ::dlerror();
qCCritical(INVALID_OPERATION, "Failed to load dynamic library %s: %s",
inFullDllPath, error);
return NULL;
}
return QT3DS_NEW(fnd.getAllocator(), CLoadedDynamicLibrary)(hdl);
#else
qWarning() << "CLoadedDynamicLibrary::Create returns NULL!";
return NULL;
#endif
}
};
}
}
#endif
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