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author | Matthias P. Braendli <matthias.braendli@mpb.li> | 2019-10-07 04:52:50 +0200 |
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committer | Matthias P. Braendli <matthias.braendli@mpb.li> | 2019-10-07 04:52:50 +0200 |
commit | 0aa6201a490bfabc0ae021ceb9f1fb0f46727c5d (patch) | |
tree | a71d934d8151dd43e7c16555fef17fd749c5da70 /lib/asio/detail/impl/strand_executor_service.hpp | |
parent | 558d74bffd9f069955af52c0b308a1d6169bcff0 (diff) | |
parent | 0330221d51421caa110b8c5dcb567cc3d0620eb9 (diff) | |
download | dabmod-0aa6201a490bfabc0ae021ceb9f1fb0f46727c5d.tar.gz dabmod-0aa6201a490bfabc0ae021ceb9f1fb0f46727c5d.tar.bz2 dabmod-0aa6201a490bfabc0ae021ceb9f1fb0f46727c5d.zip |
Merge lime output into next branch
Diffstat (limited to 'lib/asio/detail/impl/strand_executor_service.hpp')
-rw-r--r-- | lib/asio/detail/impl/strand_executor_service.hpp | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/lib/asio/detail/impl/strand_executor_service.hpp b/lib/asio/detail/impl/strand_executor_service.hpp deleted file mode 100644 index 0e18ca0..0000000 --- a/lib/asio/detail/impl/strand_executor_service.hpp +++ /dev/null @@ -1,179 +0,0 @@ -// -// detail/impl/strand_executor_service.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_IMPL_STRAND_EXECUTOR_SERVICE_HPP -#define ASIO_DETAIL_IMPL_STRAND_EXECUTOR_SERVICE_HPP - -#if defined(_MSC_VER) && (_MSC_VER >= 1200) -# pragma once -#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) - -#include "asio/detail/call_stack.hpp" -#include "asio/detail/fenced_block.hpp" -#include "asio/detail/handler_invoke_helpers.hpp" -#include "asio/detail/recycling_allocator.hpp" -#include "asio/executor_work_guard.hpp" - -#include "asio/detail/push_options.hpp" - -namespace asio { -namespace detail { - -template <typename Executor> -class strand_executor_service::invoker -{ -public: - invoker(const implementation_type& impl, Executor& ex) - : impl_(impl), - work_(ex) - { - } - - invoker(const invoker& other) - : impl_(other.impl_), - work_(other.work_) - { - } - -#if defined(ASIO_HAS_MOVE) - invoker(invoker&& other) - : impl_(ASIO_MOVE_CAST(implementation_type)(other.impl_)), - work_(ASIO_MOVE_CAST(executor_work_guard<Executor>)(other.work_)) - { - } -#endif // defined(ASIO_HAS_MOVE) - - struct on_invoker_exit - { - invoker* this_; - - ~on_invoker_exit() - { - this_->impl_->mutex_->lock(); - this_->impl_->ready_queue_.push(this_->impl_->waiting_queue_); - bool more_handlers = this_->impl_->locked_ = - !this_->impl_->ready_queue_.empty(); - this_->impl_->mutex_->unlock(); - - if (more_handlers) - { - Executor ex(this_->work_.get_executor()); - recycling_allocator<void> allocator; - ex.post(ASIO_MOVE_CAST(invoker)(*this_), allocator); - } - } - }; - - void operator()() - { - // Indicate that this strand is executing on the current thread. - call_stack<strand_impl>::context ctx(impl_.get()); - - // Ensure the next handler, if any, is scheduled on block exit. - on_invoker_exit on_exit = { this }; - (void)on_exit; - - // Run all ready handlers. No lock is required since the ready queue is - // accessed only within the strand. - asio::error_code ec; - while (scheduler_operation* o = impl_->ready_queue_.front()) - { - impl_->ready_queue_.pop(); - o->complete(impl_.get(), ec, 0); - } - } - -private: - implementation_type impl_; - executor_work_guard<Executor> work_; -}; - -template <typename Executor, typename Function, typename Allocator> -void strand_executor_service::dispatch(const implementation_type& impl, - Executor& ex, ASIO_MOVE_ARG(Function) function, const Allocator& a) -{ - typedef typename decay<Function>::type function_type; - - // If we are already in the strand then the function can run immediately. - if (call_stack<strand_impl>::contains(impl.get())) - { - // Make a local, non-const copy of the function. - function_type tmp(ASIO_MOVE_CAST(Function)(function)); - - fenced_block b(fenced_block::full); - asio_handler_invoke_helpers::invoke(tmp, tmp); - return; - } - - // Allocate and construct an operation to wrap the function. - typedef executor_op<function_type, Allocator> op; - typename op::ptr p = { detail::addressof(a), op::ptr::allocate(a), 0 }; - p.p = new (p.v) op(ASIO_MOVE_CAST(Function)(function), a); - - ASIO_HANDLER_CREATION((impl->service_->context(), *p.p, - "strand_executor", impl.get(), 0, "dispatch")); - - // Add the function to the strand and schedule the strand if required. - bool first = enqueue(impl, p.p); - p.v = p.p = 0; - if (first) - ex.dispatch(invoker<Executor>(impl, ex), a); -} - -// Request invocation of the given function and return immediately. -template <typename Executor, typename Function, typename Allocator> -void strand_executor_service::post(const implementation_type& impl, - Executor& ex, ASIO_MOVE_ARG(Function) function, const Allocator& a) -{ - typedef typename decay<Function>::type function_type; - - // Allocate and construct an operation to wrap the function. - typedef executor_op<function_type, Allocator> op; - typename op::ptr p = { detail::addressof(a), op::ptr::allocate(a), 0 }; - p.p = new (p.v) op(ASIO_MOVE_CAST(Function)(function), a); - - ASIO_HANDLER_CREATION((impl->service_->context(), *p.p, - "strand_executor", impl.get(), 0, "post")); - - // Add the function to the strand and schedule the strand if required. - bool first = enqueue(impl, p.p); - p.v = p.p = 0; - if (first) - ex.post(invoker<Executor>(impl, ex), a); -} - -// Request invocation of the given function and return immediately. -template <typename Executor, typename Function, typename Allocator> -void strand_executor_service::defer(const implementation_type& impl, - Executor& ex, ASIO_MOVE_ARG(Function) function, const Allocator& a) -{ - typedef typename decay<Function>::type function_type; - - // Allocate and construct an operation to wrap the function. - typedef executor_op<function_type, Allocator> op; - typename op::ptr p = { detail::addressof(a), op::ptr::allocate(a), 0 }; - p.p = new (p.v) op(ASIO_MOVE_CAST(Function)(function), a); - - ASIO_HANDLER_CREATION((impl->service_->context(), *p.p, - "strand_executor", impl.get(), 0, "defer")); - - // Add the function to the strand and schedule the strand if required. - bool first = enqueue(impl, p.p); - p.v = p.p = 0; - if (first) - ex.defer(invoker<Executor>(impl, ex), a); -} - -} // namespace detail -} // namespace asio - -#include "asio/detail/pop_options.hpp" - -#endif // ASIO_DETAIL_IMPL_STRAND_EXECUTOR_SERVICE_HPP |