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authorMatthias P. Braendli <matthias.braendli@mpb.li>2019-10-07 04:52:50 +0200
committerMatthias P. Braendli <matthias.braendli@mpb.li>2019-10-07 04:52:50 +0200
commit0aa6201a490bfabc0ae021ceb9f1fb0f46727c5d (patch)
treea71d934d8151dd43e7c16555fef17fd749c5da70 /lib/asio/detail/thread_group.hpp
parent558d74bffd9f069955af52c0b308a1d6169bcff0 (diff)
parent0330221d51421caa110b8c5dcb567cc3d0620eb9 (diff)
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Merge lime output into next branch
Diffstat (limited to 'lib/asio/detail/thread_group.hpp')
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diff --git a/lib/asio/detail/thread_group.hpp b/lib/asio/detail/thread_group.hpp
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-//
-// detail/thread_group.hpp
-// ~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-#ifndef ASIO_DETAIL_THREAD_GROUP_HPP
-#define ASIO_DETAIL_THREAD_GROUP_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-#include "asio/detail/scoped_ptr.hpp"
-#include "asio/detail/thread.hpp"
-
-namespace asio {
-namespace detail {
-
-class thread_group
-{
-public:
- // Constructor initialises an empty thread group.
- thread_group()
- : first_(0)
- {
- }
-
- // Destructor joins any remaining threads in the group.
- ~thread_group()
- {
- join();
- }
-
- // Create a new thread in the group.
- template <typename Function>
- void create_thread(Function f)
- {
- first_ = new item(f, first_);
- }
-
- // Create new threads in the group.
- template <typename Function>
- void create_threads(Function f, std::size_t num_threads)
- {
- for (std::size_t i = 0; i < num_threads; ++i)
- create_thread(f);
- }
-
- // Wait for all threads in the group to exit.
- void join()
- {
- while (first_)
- {
- first_->thread_.join();
- item* tmp = first_;
- first_ = first_->next_;
- delete tmp;
- }
- }
-
-private:
- // Structure used to track a single thread in the group.
- struct item
- {
- template <typename Function>
- explicit item(Function f, item* next)
- : thread_(f),
- next_(next)
- {
- }
-
- asio::detail::thread thread_;
- item* next_;
- };
-
- // The first thread in the group.
- item* first_;
-};
-
-} // namespace detail
-} // namespace asio
-
-#endif // ASIO_DETAIL_THREAD_GROUP_HPP