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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#ifndef INCLUDED_OPENCL_INC_OPENCL_ZONE_HXX
#define INCLUDED_OPENCL_INC_OPENCL_ZONE_HXX
#include <sal/config.h>
#include <cassert>
#include <csignal>
#include <opencl/opencldllapi.h>
// FIXME: post back-port, templatize me and share with OpenGLZone.
class OPENCL_DLLPUBLIC OpenCLZone
{
/// how many times have we entered a CL zone and not yet left it
static volatile std::sig_atomic_t gnEnterCount;
static volatile bool gbInInitialTest;
public:
OpenCLZone()
{
gnEnterCount = gnEnterCount + 1; //TODO: overflow
}
~OpenCLZone()
{
assert(gnEnterCount > 0);
gnEnterCount = gnEnterCount - 1;
if (!isInZone())
gbInInitialTest = false;
}
static bool isInZone()
{
return gnEnterCount > 0;
}
static bool isInInitialTest()
{
return gbInInitialTest;
}
static void hardDisable();
static void enterInitialTest();
};
#endif // INCLUDED_OPENCL_INC_OPENCL_ZONE_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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