From a5c50a4f262f0a880734623f79d4dc2f1aa8a0a2 Mon Sep 17 00:00:00 2001 From: "Matthias P. Braendli" Date: Tue, 13 Aug 2019 10:29:39 +0200 Subject: Pull in files from odr-mmbtools-common Replace ASIO by simpler implementation, meaning that the telnet RC now only supports a single connection. Move Log, RC to lib/ --- lib/asio/detail/scheduler.hpp | 213 ------------------------------------------ 1 file changed, 213 deletions(-) delete mode 100644 lib/asio/detail/scheduler.hpp (limited to 'lib/asio/detail/scheduler.hpp') diff --git a/lib/asio/detail/scheduler.hpp b/lib/asio/detail/scheduler.hpp deleted file mode 100644 index 10c29b7..0000000 --- a/lib/asio/detail/scheduler.hpp +++ /dev/null @@ -1,213 +0,0 @@ -// -// detail/scheduler.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_SCHEDULER_HPP -#define ASIO_DETAIL_SCHEDULER_HPP - -#if defined(_MSC_VER) && (_MSC_VER >= 1200) -# pragma once -#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) - -#include "asio/detail/config.hpp" - -#include "asio/error_code.hpp" -#include "asio/execution_context.hpp" -#include "asio/detail/atomic_count.hpp" -#include "asio/detail/conditionally_enabled_event.hpp" -#include "asio/detail/conditionally_enabled_mutex.hpp" -#include "asio/detail/op_queue.hpp" -#include "asio/detail/reactor_fwd.hpp" -#include "asio/detail/scheduler_operation.hpp" -#include "asio/detail/thread_context.hpp" - -#include "asio/detail/push_options.hpp" - -namespace asio { -namespace detail { - -struct scheduler_thread_info; - -class scheduler - : public execution_context_service_base, - public thread_context -{ -public: - typedef scheduler_operation operation; - - // Constructor. Specifies the number of concurrent threads that are likely to - // run the scheduler. If set to 1 certain optimisation are performed. - ASIO_DECL scheduler(asio::execution_context& ctx, - int concurrency_hint = 0); - - // Destroy all user-defined handler objects owned by the service. - ASIO_DECL void shutdown(); - - // Initialise the task, if required. - ASIO_DECL void init_task(); - - // Run the event loop until interrupted or no more work. - ASIO_DECL std::size_t run(asio::error_code& ec); - - // Run until interrupted or one operation is performed. - ASIO_DECL std::size_t run_one(asio::error_code& ec); - - // Run until timeout, interrupted, or one operation is performed. - ASIO_DECL std::size_t wait_one( - long usec, asio::error_code& ec); - - // Poll for operations without blocking. - ASIO_DECL std::size_t poll(asio::error_code& ec); - - // Poll for one operation without blocking. - ASIO_DECL std::size_t poll_one(asio::error_code& ec); - - // Interrupt the event processing loop. - ASIO_DECL void stop(); - - // Determine whether the scheduler is stopped. - ASIO_DECL bool stopped() const; - - // Restart in preparation for a subsequent run invocation. - ASIO_DECL void restart(); - - // Notify that some work has started. - void work_started() - { - ++outstanding_work_; - } - - // Used to compensate for a forthcoming work_finished call. Must be called - // from within a scheduler-owned thread. - ASIO_DECL void compensating_work_started(); - - // Notify that some work has finished. - void work_finished() - { - if (--outstanding_work_ == 0) - stop(); - } - - // Return whether a handler can be dispatched immediately. - bool can_dispatch() - { - return thread_call_stack::contains(this) != 0; - } - - // Request invocation of the given operation and return immediately. Assumes - // that work_started() has not yet been called for the operation. - ASIO_DECL void post_immediate_completion( - operation* op, bool is_continuation); - - // Request invocation of the given operation and return immediately. Assumes - // that work_started() was previously called for the operation. - ASIO_DECL void post_deferred_completion(operation* op); - - // Request invocation of the given operations and return immediately. Assumes - // that work_started() was previously called for each operation. - ASIO_DECL void post_deferred_completions(op_queue& ops); - - // Enqueue the given operation following a failed attempt to dispatch the - // operation for immediate invocation. - ASIO_DECL void do_dispatch(operation* op); - - // Process unfinished operations as part of a shutdownoperation. Assumes that - // work_started() was previously called for the operations. - ASIO_DECL void abandon_operations(op_queue& ops); - - // Get the concurrency hint that was used to initialise the scheduler. - int concurrency_hint() const - { - return concurrency_hint_; - } - -private: - // The mutex type used by this scheduler. - typedef conditionally_enabled_mutex mutex; - - // The event type used by this scheduler. - typedef conditionally_enabled_event event; - - // Structure containing thread-specific data. - typedef scheduler_thread_info thread_info; - - // Run at most one operation. May block. - ASIO_DECL std::size_t do_run_one(mutex::scoped_lock& lock, - thread_info& this_thread, const asio::error_code& ec); - - // Run at most one operation with a timeout. May block. - ASIO_DECL std::size_t do_wait_one(mutex::scoped_lock& lock, - thread_info& this_thread, long usec, const asio::error_code& ec); - - // Poll for at most one operation. - ASIO_DECL std::size_t do_poll_one(mutex::scoped_lock& lock, - thread_info& this_thread, const asio::error_code& ec); - - // Stop the task and all idle threads. - ASIO_DECL void stop_all_threads(mutex::scoped_lock& lock); - - // Wake a single idle thread, or the task, and always unlock the mutex. - ASIO_DECL void wake_one_thread_and_unlock( - mutex::scoped_lock& lock); - - // Helper class to perform task-related operations on block exit. - struct task_cleanup; - friend struct task_cleanup; - - // Helper class to call work-related operations on block exit. - struct work_cleanup; - friend struct work_cleanup; - - // Whether to optimise for single-threaded use cases. - const bool one_thread_; - - // Mutex to protect access to internal data. - mutable mutex mutex_; - - // Event to wake up blocked threads. - event wakeup_event_; - - // The task to be run by this service. - reactor* task_; - - // Operation object to represent the position of the task in the queue. - struct task_operation : operation - { - task_operation() : operation(0) {} - } task_operation_; - - // Whether the task has been interrupted. - bool task_interrupted_; - - // The count of unfinished work. - atomic_count outstanding_work_; - - // The queue of handlers that are ready to be delivered. - op_queue op_queue_; - - // Flag to indicate that the dispatcher has been stopped. - bool stopped_; - - // Flag to indicate that the dispatcher has been shut down. - bool shutdown_; - - // The concurrency hint used to initialise the scheduler. - const int concurrency_hint_; -}; - -} // namespace detail -} // namespace asio - -#include "asio/detail/pop_options.hpp" - -#if defined(ASIO_HEADER_ONLY) -# include "asio/detail/impl/scheduler.ipp" -#endif // defined(ASIO_HEADER_ONLY) - -#endif // ASIO_DETAIL_SCHEDULER_HPP -- cgit v1.2.3