// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. // Distributed under the MIT License (http://opensource.org/licenses/MIT) #pragma once #ifndef SPDLOG_HEADER_ONLY #include <spdlog/details/periodic_worker.h> #endif namespace spdlog { namespace details { SPDLOG_INLINE periodic_worker::periodic_worker(const std::function<void()> &callback_fun, std::chrono::seconds interval) { active_ = (interval > std::chrono::seconds::zero()); if (!active_) { return; } worker_thread_ = std::thread([this, callback_fun, interval]() { for (;;) { std::unique_lock<std::mutex> lock(this->mutex_); if (this->cv_.wait_for(lock, interval, [this] { return !this->active_; })) { return; // active_ == false, so exit this thread } callback_fun(); } }); } // stop the worker thread and join it SPDLOG_INLINE periodic_worker::~periodic_worker() { if (worker_thread_.joinable()) { { std::lock_guard<std::mutex> lock(mutex_); active_ = false; } cv_.notify_one(); worker_thread_.join(); } } } // namespace details } // namespace spdlog