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649d2faeab
We had some inconsistencies before: - Sometimes "The", sometimes "the" - Sometimes trailing ".", sometimes no trailing "." I picked the most common one (lowecase "the", trailing ".") and applied it to all copyright headers. By using the exact same string everywhere we can ensure nothing gets missed during a global search (and replace), and that these inconsistencies are not spread any further (as copyright headers are commonly copied to new files).
73 lines
1.8 KiB
C++
73 lines
1.8 KiB
C++
/*
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* Copyright (c) 2021, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/IntrusiveList.h>
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#include <Kernel/Forward.h>
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namespace Kernel {
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extern WorkQueue* g_io_work;
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class WorkQueue {
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AK_MAKE_NONCOPYABLE(WorkQueue);
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AK_MAKE_NONMOVABLE(WorkQueue);
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public:
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static void initialize();
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WorkQueue(const char*);
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void queue(void (*function)(void*), void* data = nullptr, void (*free_data)(void*) = nullptr)
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{
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auto* item = new WorkItem; // TODO: use a pool
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item->function = function;
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item->data = data;
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item->free_data = free_data;
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do_queue(item);
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}
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template<typename Function>
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void queue(Function function)
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{
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auto* item = new WorkItem; // TODO: use a pool
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item->function = [](void* f) {
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(*reinterpret_cast<Function*>(f))();
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};
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if constexpr (sizeof(Function) <= sizeof(item->inline_data)) {
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item->data = new (item->inline_data) Function(move(function));
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item->free_data = [](void* f) {
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reinterpret_cast<Function*>(f)->~Function();
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};
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} else {
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item->data = new Function(move(function));
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item->free_data = [](void* f) {
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delete reinterpret_cast<Function*>(f);
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};
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}
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do_queue(item);
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}
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private:
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struct WorkItem {
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IntrusiveListNode<WorkItem> m_node;
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void (*function)(void*);
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void* data;
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void (*free_data)(void*);
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u8 inline_data[4 * sizeof(void*)];
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};
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void do_queue(WorkItem*);
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RefPtr<Thread> m_thread;
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WaitQueue m_wait_queue;
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IntrusiveList<WorkItem, RawPtr<WorkItem>, &WorkItem::m_node> m_items;
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SpinLock<u8> m_lock;
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};
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}
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