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3f3f45580a
Each of these strings would previously rely on StringView's char const* constructor overload, which would call __builtin_strlen on the string. Since we now have operator ""sv, we can replace these with much simpler versions. This opens the door to being able to remove StringView(char const*). No functional changes.
58 lines
1.4 KiB
C++
58 lines
1.4 KiB
C++
/*
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* Copyright (c) 2021, the SerenityOS developers.
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* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <Kernel/Process.h>
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#include <Kernel/Sections.h>
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#include <Kernel/WaitQueue.h>
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#include <Kernel/WorkQueue.h>
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namespace Kernel {
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WorkQueue* g_io_work;
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UNMAP_AFTER_INIT void WorkQueue::initialize()
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{
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g_io_work = new WorkQueue("IO WorkQueue Task"sv);
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}
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UNMAP_AFTER_INIT WorkQueue::WorkQueue(StringView name)
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{
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RefPtr<Thread> thread;
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auto name_kstring = KString::try_create(name);
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if (name_kstring.is_error())
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TODO();
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(void)Process::create_kernel_process(thread, name_kstring.release_value(), [this] {
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for (;;) {
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WorkItem* item;
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bool have_more;
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m_items.with([&](auto& items) {
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item = items.take_first();
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have_more = !items.is_empty();
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});
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if (item) {
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item->function();
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delete item;
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if (have_more)
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continue;
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}
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[[maybe_unused]] auto result = m_wait_queue.wait_on({});
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}
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});
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// If we can't create the thread we're in trouble...
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m_thread = thread.release_nonnull();
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}
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void WorkQueue::do_queue(WorkItem& item)
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{
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m_items.with([&](auto& items) {
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items.append(item);
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});
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m_wait_queue.wake_one();
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}
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}
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