ladybird/Kernel/WorkQueue.h
Gunnar Beutner e9898a6031 Kernel: Use plain Function objects for the WorkQueue
The WorkQueue class previously had its own inline storage functionality
for function pointers. With the recent changes to the Function class
this is no longer necessary.
2021-05-19 21:36:57 +02:00

59 lines
1.2 KiB
C++

/*
* Copyright (c) 2021, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/IntrusiveList.h>
#include <Kernel/Forward.h>
namespace Kernel {
extern WorkQueue* g_io_work;
class WorkQueue {
AK_MAKE_NONCOPYABLE(WorkQueue);
AK_MAKE_NONMOVABLE(WorkQueue);
public:
static void initialize();
WorkQueue(const char*);
void queue(void (*function)(void*), void* data = nullptr, void (*free_data)(void*) = nullptr)
{
auto* item = new WorkItem; // TODO: use a pool
item->function = [function, data, free_data] {
function(data);
if (free_data)
free_data(data);
};
do_queue(item);
}
template<typename Function>
void queue(Function function)
{
auto* item = new WorkItem; // TODO: use a pool
item->function = Function(function);
do_queue(item);
}
private:
struct WorkItem {
IntrusiveListNode<WorkItem> m_node;
Function<void()> function;
};
void do_queue(WorkItem*);
RefPtr<Thread> m_thread;
WaitQueue m_wait_queue;
IntrusiveList<WorkItem, RawPtr<WorkItem>, &WorkItem::m_node> m_items;
SpinLock<u8> m_lock;
};
}