mirror of https://github.com/gabime/spdlog.git
Fix compile
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4b787b3044
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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
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// Distributed under the MIT License (http://opensource.org/licenses/MIT)
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#pragma once
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// periodic worker thread - periodically executes the given callback function.
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//
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// RAII over the owned thread:
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// creates the thread on construction.
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// stops and joins the thread on destruction (if the thread is executing a callback, wait for it
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// to finish first).
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#include <chrono>
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#include <condition_variable>
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#include <functional>
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#include <mutex>
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#include <thread>
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#include "../common.h"
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namespace spdlog {
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namespace details {
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class SPDLOG_API periodic_worker {
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public:
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template <typename Rep, typename Period>
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periodic_worker(const std::function<void()> &callback_fun, std::chrono::duration<Rep, Period> interval) {
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active_ = (interval > std::chrono::duration<Rep, Period>::zero());
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if (!active_) {
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return;
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}
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worker_thread_ = std::thread([this, callback_fun, interval]() {
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for (;;) {
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std::unique_lock<std::mutex> lock(this->mutex_);
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if (this->cv_.wait_for(lock, interval, [this] { return !this->active_; })) {
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return; // active_ == false, so exit this thread
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}
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callback_fun();
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}
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});
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}
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std::thread &get_thread() { return worker_thread_; }
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periodic_worker(const periodic_worker &) = delete;
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periodic_worker &operator=(const periodic_worker &) = delete;
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// stop the worker thread and join it
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~periodic_worker();
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private:
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bool active_;
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std::thread worker_thread_;
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std::mutex mutex_;
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std::condition_variable cv_;
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};
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} // namespace details
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} // namespace spdlog
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