987300c97a
* refactor: don't walk maps twice to remove elements * refactor: don't walk maps twice to read elements * refactor: don't walk maps twice to insert elements * refactor: don't walk map 3x on UvTaskRunner timeout * refactor: more don't-walk-maps-twice cleanup * fixup! refactor: don't walk maps twice to insert elements * refactor: don't walk containers twice when erasing * refactor: omit excess lookups in RemoteObjectFreer
61 lines
1.7 KiB
C++
61 lines
1.7 KiB
C++
// Copyright (c) 2015 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#include <utility>
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#include "shell/app/uv_task_runner.h"
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#include "base/stl_util.h"
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namespace electron {
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UvTaskRunner::UvTaskRunner(uv_loop_t* loop) : loop_(loop) {}
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UvTaskRunner::~UvTaskRunner() {
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for (auto& iter : tasks_) {
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uv_unref(reinterpret_cast<uv_handle_t*>(iter.first));
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delete iter.first;
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}
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}
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bool UvTaskRunner::PostDelayedTask(const base::Location& from_here,
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base::OnceClosure task,
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base::TimeDelta delay) {
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auto* timer = new uv_timer_t;
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timer->data = this;
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uv_timer_init(loop_, timer);
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uv_timer_start(timer, UvTaskRunner::OnTimeout, delay.InMilliseconds(), 0);
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tasks_[timer] = std::move(task);
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return true;
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}
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bool UvTaskRunner::RunsTasksInCurrentSequence() const {
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return true;
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}
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bool UvTaskRunner::PostNonNestableDelayedTask(const base::Location& from_here,
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base::OnceClosure task,
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base::TimeDelta delay) {
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return PostDelayedTask(from_here, std::move(task), delay);
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}
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// static
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void UvTaskRunner::OnTimeout(uv_timer_t* timer) {
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auto& tasks = static_cast<UvTaskRunner*>(timer->data)->tasks_;
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const auto iter = tasks.find(timer);
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if (iter == std::end(tasks))
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return;
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std::move(iter->second).Run();
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tasks.erase(iter);
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uv_timer_stop(timer);
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uv_close(reinterpret_cast<uv_handle_t*>(timer), UvTaskRunner::OnClose);
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}
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// static
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void UvTaskRunner::OnClose(uv_handle_t* handle) {
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delete reinterpret_cast<uv_timer_t*>(handle);
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}
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} // namespace electron
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