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author | F1F7Y <64418963+F1F7Y@users.noreply.github.com> | 2023-06-30 03:10:24 +0200 |
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committer | GitHub <noreply@github.com> | 2023-06-29 21:10:24 -0400 |
commit | 71f0ee98ccc85d41ba7587d122c83011ab1e25c3 (patch) | |
tree | c362337bedb5d341c3f063e9a0b4840fb8b8ba2c /thirdparty/spdlog/details/thread_pool.h | |
parent | efd907105cf7906c78253631f75bf4fd83f769db (diff) | |
download | NorthstarLauncher-71f0ee98ccc85d41ba7587d122c83011ab1e25c3.tar.gz NorthstarLauncher-71f0ee98ccc85d41ba7587d122c83011ab1e25c3.zip |
Reorganize third-party dependencies into `thirdparty` directory (#491)
* rename `include` to `thirdparty`
* remove duplicate minhook in wsock32
* move minhook into its own directory
* move openssl lib into separate directories
Diffstat (limited to 'thirdparty/spdlog/details/thread_pool.h')
-rw-r--r-- | thirdparty/spdlog/details/thread_pool.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/thirdparty/spdlog/details/thread_pool.h b/thirdparty/spdlog/details/thread_pool.h new file mode 100644 index 00000000..61e25252 --- /dev/null +++ b/thirdparty/spdlog/details/thread_pool.h @@ -0,0 +1,121 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#include <spdlog/details/log_msg_buffer.h> +#include <spdlog/details/mpmc_blocking_q.h> +#include <spdlog/details/os.h> + +#include <chrono> +#include <memory> +#include <thread> +#include <vector> +#include <functional> + +namespace spdlog { +class async_logger; + +namespace details { + +using async_logger_ptr = std::shared_ptr<spdlog::async_logger>; + +enum class async_msg_type +{ + log, + flush, + terminate +}; + +#include <spdlog/details/log_msg_buffer.h> +// Async msg to move to/from the queue +// Movable only. should never be copied +struct async_msg : log_msg_buffer +{ + async_msg_type msg_type{async_msg_type::log}; + async_logger_ptr worker_ptr; + + async_msg() = default; + ~async_msg() = default; + + // should only be moved in or out of the queue.. + async_msg(const async_msg &) = delete; + +// support for vs2013 move +#if defined(_MSC_VER) && _MSC_VER <= 1800 + async_msg(async_msg &&other) + : log_msg_buffer(std::move(other)) + , msg_type(other.msg_type) + , worker_ptr(std::move(other.worker_ptr)) + {} + + async_msg &operator=(async_msg &&other) + { + *static_cast<log_msg_buffer *>(this) = std::move(other); + msg_type = other.msg_type; + worker_ptr = std::move(other.worker_ptr); + return *this; + } +#else // (_MSC_VER) && _MSC_VER <= 1800 + async_msg(async_msg &&) = default; + async_msg &operator=(async_msg &&) = default; +#endif + + // construct from log_msg with given type + async_msg(async_logger_ptr &&worker, async_msg_type the_type, const details::log_msg &m) + : log_msg_buffer{m} + , msg_type{the_type} + , worker_ptr{std::move(worker)} + {} + + async_msg(async_logger_ptr &&worker, async_msg_type the_type) + : log_msg_buffer{} + , msg_type{the_type} + , worker_ptr{std::move(worker)} + {} + + explicit async_msg(async_msg_type the_type) + : async_msg{nullptr, the_type} + {} +}; + +class SPDLOG_API thread_pool +{ +public: + using item_type = async_msg; + using q_type = details::mpmc_blocking_queue<item_type>; + + thread_pool(size_t q_max_items, size_t threads_n, std::function<void()> on_thread_start); + thread_pool(size_t q_max_items, size_t threads_n); + + // message all threads to terminate gracefully join them + ~thread_pool(); + + thread_pool(const thread_pool &) = delete; + thread_pool &operator=(thread_pool &&) = delete; + + void post_log(async_logger_ptr &&worker_ptr, const details::log_msg &msg, async_overflow_policy overflow_policy); + void post_flush(async_logger_ptr &&worker_ptr, async_overflow_policy overflow_policy); + size_t overrun_counter(); + size_t queue_size(); + +private: + q_type q_; + + std::vector<std::thread> threads_; + + void post_async_msg_(async_msg &&new_msg, async_overflow_policy overflow_policy); + void worker_loop_(); + + // process next message in the queue + // return true if this thread should still be active (while no terminate msg + // was received) + bool process_next_msg_(); +}; + +} // namespace details +} // namespace spdlog + +#ifdef SPDLOG_HEADER_ONLY +#include "thread_pool-inl.h" +#endif |