70 lines
1.8 KiB
C++
70 lines
1.8 KiB
C++
// Copyright 2016 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/task_scheduler/task_traits.h"
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#include <stddef.h>
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#include <ostream>
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namespace base {
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// Do not rely on defaults hard-coded below beyond the guarantees described in
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// the header; anything else is subject to change. Tasks should explicitly
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// request defaults if the behavior is critical to the task.
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TaskTraits::TaskTraits()
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: with_file_io_(false),
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priority_(TaskPriority::BACKGROUND),
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shutdown_behavior_(TaskShutdownBehavior::SKIP_ON_SHUTDOWN) {}
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TaskTraits::~TaskTraits() = default;
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TaskTraits& TaskTraits::WithFileIO() {
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with_file_io_ = true;
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return *this;
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}
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TaskTraits& TaskTraits::WithPriority(TaskPriority priority) {
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priority_ = priority;
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return *this;
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}
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TaskTraits& TaskTraits::WithShutdownBehavior(
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TaskShutdownBehavior shutdown_behavior) {
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shutdown_behavior_ = shutdown_behavior;
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return *this;
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}
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std::ostream& operator<<(std::ostream& os, const TaskPriority& task_priority) {
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switch (task_priority) {
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case TaskPriority::BACKGROUND:
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os << "BACKGROUND";
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break;
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case TaskPriority::USER_VISIBLE:
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os << "USER_VISIBLE";
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break;
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case TaskPriority::USER_BLOCKING:
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os << "USER_BLOCKING";
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break;
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}
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return os;
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}
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std::ostream& operator<<(std::ostream& os,
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const TaskShutdownBehavior& shutdown_behavior) {
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switch (shutdown_behavior) {
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case TaskShutdownBehavior::CONTINUE_ON_SHUTDOWN:
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os << "CONTINUE_ON_SHUTDOWN";
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break;
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case TaskShutdownBehavior::SKIP_ON_SHUTDOWN:
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os << "SKIP_ON_SHUTDOWN";
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break;
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case TaskShutdownBehavior::BLOCK_SHUTDOWN:
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os << "BLOCK_SHUTDOWN";
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break;
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}
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return os;
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}
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} // namespace base
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