async-deleter.hh

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/*
 * Scroom - Generic viewer for 2D data
 * Copyright (C) 2009-2022 Kees-Jan Dijkzeul
 *
 * SPDX-License-Identifier: LGPL-2.1
 */
 
#pragma once
 
#include <scroom/threadpool.hh>
 
namespace Detail
{
  template <typename T>
  void call_delete(T* p)
  {
    delete p;
  }
} // namespace Detail
 
namespace Scroom::Detail::ThreadPool
{
  ::ThreadPool::Ptr getDeleter();
} // namespace Scroom::Detail::ThreadPool
 
template <typename T>
class AsyncDeleter
{
private:
  ThreadPool::Ptr deleter;
 
public:
  AsyncDeleter()
    : deleter(Scroom::Detail::ThreadPool::getDeleter())
  {
  }
 
  void operator()(T* p) { deleter->schedule(boost::bind(&Detail::call_delete<T>, p)); }
};