compute-runtime/shared/source/memory_manager/deferred_deleter.h

55 lines
1.2 KiB
C++

/*
* Copyright (C) 2017-2020 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#pragma once
#include "shared/source/utilities/idlist.h"
#include <atomic>
#include <condition_variable>
#include <mutex>
#include <utility>
namespace NEO {
class DeferrableDeletion;
class Thread;
class DeferredDeleter {
public:
DeferredDeleter();
virtual ~DeferredDeleter();
DeferredDeleter(const DeferredDeleter &) = delete;
DeferredDeleter &operator=(const DeferredDeleter &) = delete;
MOCKABLE_VIRTUAL void deferDeletion(DeferrableDeletion *deletion);
MOCKABLE_VIRTUAL void addClient();
MOCKABLE_VIRTUAL void removeClient();
MOCKABLE_VIRTUAL void drain(bool blocking);
protected:
void stop();
void safeStop();
void ensureThread();
MOCKABLE_VIRTUAL void clearQueue();
MOCKABLE_VIRTUAL bool areElementsReleased();
MOCKABLE_VIRTUAL bool shouldStop();
static void *run(void *);
std::atomic<bool> doWorkInBackground;
std::atomic<int> elementsToRelease;
std::unique_ptr<Thread> worker;
int32_t numClients = 0;
IDList<DeferrableDeletion, true> queue;
std::mutex queueMutex;
std::mutex threadMutex;
std::condition_variable condition;
};
} // namespace NEO