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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/impl/strand_executor_service.hpp
parent558d74bffd9f069955af52c0b308a1d6169bcff0 (diff)
parent0330221d51421caa110b8c5dcb567cc3d0620eb9 (diff)
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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.hpp179
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
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--- a/lib/asio/detail/impl/strand_executor_service.hpp
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@@ -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