FM / impl

/usr/include/boost/asio/impl

Name	Size	Mode	Actions
awaitable.hpp	11748	0644	edit dl rm
buffered_read_stream.hpp	16925	0644	edit dl rm
buffered_write_stream.hpp	16429	0644	edit dl rm
compose.hpp	20461	0644	edit dl rm
connect.hpp	32234	0644	edit dl rm
co_spawn.hpp	8834	0644	edit dl rm
defer.hpp	7803	0644	edit dl rm
detached.hpp	3374	0644	edit dl rm
dispatch.hpp	7567	0644	edit dl rm
error.ipp	3070	0644	edit dl rm
execution_context.hpp	3247	0644	edit dl rm
execution_context.ipp	1801	0644	edit dl rm
executor.hpp	6835	0644	edit dl rm
executor.ipp	1002	0644	edit dl rm
handler_alloc_hook.ipp	1984	0644	edit dl rm
io_context.hpp	13728	0644	edit dl rm
io_context.ipp	4108	0644	edit dl rm
multiple_exceptions.ipp	1280	0644	edit dl rm
post.hpp	7762	0644	edit dl rm
read.hpp	45178	0644	edit dl rm
read_at.hpp	28331	0644	edit dl rm
read_until.hpp	115335	0644	edit dl rm
redirect_error.hpp	12015	0644	edit dl rm
serial_port_base.hpp	1375	0644	edit dl rm
serial_port_base.ipp	13327	0644	edit dl rm
spawn.hpp	15854	0644	edit dl rm
src.hpp	3833	0644	edit dl rm
system_context.hpp	875	0644	edit dl rm
system_context.ipp	2109	0644	edit dl rm
system_executor.hpp	6391	0644	edit dl rm
thread_pool.hpp	10853	0644	edit dl rm
thread_pool.ipp	3132	0644	edit dl rm
use_awaitable.hpp	7244	0644	edit dl rm
use_future.hpp	27610	0644	edit dl rm
write.hpp	41076	0644	edit dl rm
write_at.hpp	24732	0644	edit dl rm

Edit: /usr/include/boost/asio/impl/thread_pool.hpp (10853B)

//
// impl/thread_pool.hpp
// ~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2020 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 BOOST_ASIO_IMPL_THREAD_POOL_HPP
#define BOOST_ASIO_IMPL_THREAD_POOL_HPP

#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)

#include <boost/asio/detail/blocking_executor_op.hpp>
#include <boost/asio/detail/bulk_executor_op.hpp>
#include <boost/asio/detail/executor_op.hpp>
#include <boost/asio/detail/fenced_block.hpp>
#include <boost/asio/detail/non_const_lvalue.hpp>
#include <boost/asio/detail/recycling_allocator.hpp>
#include <boost/asio/detail/type_traits.hpp>
#include <boost/asio/execution_context.hpp>

#include <boost/asio/detail/push_options.hpp>

namespace boost {
namespace asio {

inline thread_pool::executor_type
thread_pool::get_executor() BOOST_ASIO_NOEXCEPT
{
  return executor_type(*this);
}

inline thread_pool::executor_type
thread_pool::executor() BOOST_ASIO_NOEXCEPT
{
  return executor_type(*this);
}

inline thread_pool::scheduler_type
thread_pool::scheduler() BOOST_ASIO_NOEXCEPT
{
  return scheduler_type(*this);
}

template <typename Allocator, unsigned int Bits>
thread_pool::basic_executor_type<Allocator, Bits>&
thread_pool::basic_executor_type<Allocator, Bits>::operator=(
    const basic_executor_type& other) BOOST_ASIO_NOEXCEPT
{
  if (this != &other)
  {
    thread_pool* old_thread_pool = pool_;
    pool_ = other.pool_;
    allocator_ = other.allocator_;
    bits_ = other.bits_;
    if (Bits & outstanding_work_tracked)
    {
      if (pool_)
        pool_->scheduler_.work_started();
      if (old_thread_pool)
        old_thread_pool->scheduler_.work_finished();
    }
  }
  return *this;
}

#if defined(BOOST_ASIO_HAS_MOVE)
template <typename Allocator, unsigned int Bits>
thread_pool::basic_executor_type<Allocator, Bits>&
thread_pool::basic_executor_type<Allocator, Bits>::operator=(
    basic_executor_type&& other) BOOST_ASIO_NOEXCEPT
{
  if (this != &other)
  {
    pool_ = other.pool_;
    allocator_ = std::move(other.allocator_);
    bits_ = other.bits_;
    if (Bits & outstanding_work_tracked)
      other.pool_ = 0;
  }
  return *this;
}
#endif // defined(BOOST_ASIO_HAS_MOVE)

template <typename Allocator, unsigned int Bits>
inline bool thread_pool::basic_executor_type<Allocator,
    Bits>::running_in_this_thread() const BOOST_ASIO_NOEXCEPT
{
  return pool_->scheduler_.can_dispatch();
}

template <typename Allocator, unsigned int Bits>
template <typename Function>
void thread_pool::basic_executor_type<Allocator,
    Bits>::do_execute(BOOST_ASIO_MOVE_ARG(Function) f, false_type) const
{
  typedef typename decay<Function>::type function_type;

// Invoke immediately if the blocking.possibly property is enabled and we are
  // already inside the thread pool.
  if ((bits_ & blocking_never) == 0 && pool_->scheduler_.can_dispatch())
  {
    // Make a local, non-const copy of the function.
    function_type tmp(BOOST_ASIO_MOVE_CAST(Function)(f));

#if defined(BOOST_ASIO_HAS_STD_EXCEPTION_PTR) \
  && !defined(BOOST_ASIO_NO_EXCEPTIONS)
    try
    {
#endif // defined(BOOST_ASIO_HAS_STD_EXCEPTION_PTR)
       //   && !defined(BOOST_ASIO_NO_EXCEPTIONS)
      detail::fenced_block b(detail::fenced_block::full);
      boost_asio_handler_invoke_helpers::invoke(tmp, tmp);
      return;
#if defined(BOOST_ASIO_HAS_STD_EXCEPTION_PTR) \
  && !defined(BOOST_ASIO_NO_EXCEPTIONS)
    }
    catch (...)
    {
      pool_->scheduler_.capture_current_exception();
      return;
    }
#endif // defined(BOOST_ASIO_HAS_STD_EXCEPTION_PTR)
       //   && !defined(BOOST_ASIO_NO_EXCEPTIONS)
  }

// Allocate and construct an operation to wrap the function.
  typedef detail::executor_op<function_type, Allocator> op;
  typename op::ptr p = { detail::addressof(allocator_),
      op::ptr::allocate(allocator_), 0 };
  p.p = new (p.v) op(BOOST_ASIO_MOVE_CAST(Function)(f), allocator_);

if ((bits_ & relationship_continuation) != 0)
  {
    BOOST_ASIO_HANDLER_CREATION((*pool_, *p.p,
          "thread_pool", pool_, 0, "execute(blk=never,rel=cont)"));
  }
  else
  {
    BOOST_ASIO_HANDLER_CREATION((*pool_, *p.p,
          "thread_pool", pool_, 0, "execute(blk=never,rel=fork)"));
  }

pool_->scheduler_.post_immediate_completion(p.p,
      (bits_ & relationship_continuation) != 0);
  p.v = p.p = 0;
}

template <typename Allocator, unsigned int Bits>
template <typename Function>
void thread_pool::basic_executor_type<Allocator,
    Bits>::do_execute(BOOST_ASIO_MOVE_ARG(Function) f, true_type) const
{
  // Obtain a non-const instance of the function.
  detail::non_const_lvalue<Function> f2(f);

// Invoke immediately if we are already inside the thread pool.
  if (pool_->scheduler_.can_dispatch())
  {
#if !defined(BOOST_ASIO_NO_EXCEPTIONS)
    try
    {
#endif // !defined(BOOST_ASIO_NO_EXCEPTIONS)
      detail::fenced_block b(detail::fenced_block::full);
      boost_asio_handler_invoke_helpers::invoke(f2.value, f2.value);
      return;
#if !defined(BOOST_ASIO_NO_EXCEPTIONS)
    }
    catch (...)
    {
      std::terminate();
    }
#endif // !defined(BOOST_ASIO_NO_EXCEPTIONS)
  }

// Construct an operation to wrap the function.
  typedef typename decay<Function>::type function_type;
  detail::blocking_executor_op<function_type> op(f2.value);

BOOST_ASIO_HANDLER_CREATION((*pool_, op,
        "thread_pool", pool_, 0, "execute(blk=always)"));

pool_->scheduler_.post_immediate_completion(&op, false);
  op.wait();
}

template <typename Allocator, unsigned int Bits>
template <typename Function>
void thread_pool::basic_executor_type<Allocator, Bits>::do_bulk_execute(
    BOOST_ASIO_MOVE_ARG(Function) f, std::size_t n, false_type) const
{
  typedef typename decay<Function>::type function_type;
  typedef detail::bulk_executor_op<function_type, Allocator> op;

// Allocate and construct operations to wrap the function.
  detail::op_queue<detail::scheduler_operation> ops;
  for (std::size_t i = 0; i < n; ++i)
  {
    typename op::ptr p = { detail::addressof(allocator_),
        op::ptr::allocate(allocator_), 0 };
    p.p = new (p.v) op(BOOST_ASIO_MOVE_CAST(Function)(f), allocator_, i);
    ops.push(p.p);

if ((bits_ & relationship_continuation) != 0)
    {
      BOOST_ASIO_HANDLER_CREATION((*pool_, *p.p,
            "thread_pool", pool_, 0, "bulk_execute(blk=never,rel=cont)"));
    }
    else
    {
      BOOST_ASIO_HANDLER_CREATION((*pool_, *p.p,
            "thread_pool", pool_, 0, "bulk)execute(blk=never,rel=fork)"));
    }

p.v = p.p = 0;
  }

pool_->scheduler_.post_immediate_completions(n,
      ops, (bits_ & relationship_continuation) != 0);
}

template <typename Function>
struct thread_pool_always_blocking_function_adapter
{
  typename decay<Function>::type* f;
  std::size_t n;

void operator()()
  {
    for (std::size_t i = 0; i < n; ++i)
    {
      (*f)(i);
    }
  }
};

template <typename Allocator, unsigned int Bits>
template <typename Function>
void thread_pool::basic_executor_type<Allocator, Bits>::do_bulk_execute(
    BOOST_ASIO_MOVE_ARG(Function) f, std::size_t n, true_type) const
{
  // Obtain a non-const instance of the function.
  detail::non_const_lvalue<Function> f2(f);

thread_pool_always_blocking_function_adapter<Function>
    adapter = { detail::addressof(f2.value), n };

this->do_execute(adapter, true_type());
}

#if !defined(BOOST_ASIO_NO_TS_EXECUTORS)
template <typename Allocator, unsigned int Bits>
inline thread_pool& thread_pool::basic_executor_type<
    Allocator, Bits>::context() const BOOST_ASIO_NOEXCEPT
{
  return *pool_;
}

template <typename Allocator, unsigned int Bits>
inline void thread_pool::basic_executor_type<Allocator,
    Bits>::on_work_started() const BOOST_ASIO_NOEXCEPT
{
  pool_->scheduler_.work_started();
}

template <typename Allocator, unsigned int Bits>
inline void thread_pool::basic_executor_type<Allocator,
    Bits>::on_work_finished() const BOOST_ASIO_NOEXCEPT
{
  pool_->scheduler_.work_finished();
}

template <typename Allocator, unsigned int Bits>
template <typename Function, typename OtherAllocator>
void thread_pool::basic_executor_type<Allocator, Bits>::dispatch(
    BOOST_ASIO_MOVE_ARG(Function) f, const OtherAllocator& a) const
{
  typedef typename decay<Function>::type function_type;

// Invoke immediately if we are already inside the thread pool.
  if (pool_->scheduler_.can_dispatch())
  {
    // Make a local, non-const copy of the function.
    function_type tmp(BOOST_ASIO_MOVE_CAST(Function)(f));

detail::fenced_block b(detail::fenced_block::full);
    boost_asio_handler_invoke_helpers::invoke(tmp, tmp);
    return;
  }

// Allocate and construct an operation to wrap the function.
  typedef detail::executor_op<function_type, OtherAllocator> op;
  typename op::ptr p = { detail::addressof(a), op::ptr::allocate(a), 0 };
  p.p = new (p.v) op(BOOST_ASIO_MOVE_CAST(Function)(f), a);

BOOST_ASIO_HANDLER_CREATION((*pool_, *p.p,
        "thread_pool", pool_, 0, "dispatch"));

pool_->scheduler_.post_immediate_completion(p.p, false);
  p.v = p.p = 0;
}

template <typename Allocator, unsigned int Bits>
template <typename Function, typename OtherAllocator>
void thread_pool::basic_executor_type<Allocator, Bits>::post(
    BOOST_ASIO_MOVE_ARG(Function) f, const OtherAllocator& a) const
{
  typedef typename decay<Function>::type function_type;

BOOST_ASIO_HANDLER_CREATION((*pool_, *p.p,
        "thread_pool", pool_, 0, "post"));

pool_->scheduler_.post_immediate_completion(p.p, false);
  p.v = p.p = 0;
}

template <typename Allocator, unsigned int Bits>
template <typename Function, typename OtherAllocator>
void thread_pool::basic_executor_type<Allocator, Bits>::defer(
    BOOST_ASIO_MOVE_ARG(Function) f, const OtherAllocator& a) const
{
  typedef typename decay<Function>::type function_type;

BOOST_ASIO_HANDLER_CREATION((*pool_, *p.p,
        "thread_pool", pool_, 0, "defer"));

pool_->scheduler_.post_immediate_completion(p.p, true);
  p.v = p.p = 0;
}
#endif // !defined(BOOST_ASIO_NO_TS_EXECUTORS)

} // namespace asio
} // namespace boost

#include <boost/asio/detail/pop_options.hpp>

#endif // BOOST_ASIO_IMPL_THREAD_POOL_HPP

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