FM / asio

/usr/include/boost/asio

Name	Size	Mode	Actions
detail/	-	0755	rm
execution/	-	0755	rm
generic/	-	0755	rm
impl/	-	0755	rm
ip/	-	0755	rm
local/	-	0755	rm
posix/	-	0755	rm
ssl/	-	0755	rm
traits/	-	0755	rm
ts/	-	0755	rm
windows/	-	0755	rm
any_io_executor.hpp	2625	0644	edit dl rm
associated_allocator.hpp	3791	0644	edit dl rm
associated_executor.hpp	5057	0644	edit dl rm
async_result.hpp	19423	0644	edit dl rm
awaitable.hpp	3270	0644	edit dl rm
basic_datagram_socket.hpp	47521	0644	edit dl rm
basic_deadline_timer.hpp	24158	0644	edit dl rm
basic_io_object.hpp	8096	0644	edit dl rm
basic_raw_socket.hpp	46996	0644	edit dl rm
basic_seq_packet_socket.hpp	29184	0644	edit dl rm
basic_serial_port.hpp	31912	0644	edit dl rm
basic_signal_set.hpp	19876	0644	edit dl rm
basic_socket.hpp	65516	0644	edit dl rm
basic_socket_acceptor.hpp	88062	0644	edit dl rm
basic_socket_iostream.hpp	13298	0644	edit dl rm
basic_socket_streambuf.hpp	21713	0644	edit dl rm
basic_streambuf.hpp	13714	0644	edit dl rm
basic_streambuf_fwd.hpp	920	0644	edit dl rm
basic_stream_socket.hpp	41520	0644	edit dl rm
basic_waitable_timer.hpp	28528	0644	edit dl rm
bind_executor.hpp	16510	0644	edit dl rm
buffer.hpp	83254	0644	edit dl rm
buffered_read_stream.hpp	8424	0644	edit dl rm
buffered_read_stream_fwd.hpp	699	0644	edit dl rm
buffered_stream.hpp	9074	0644	edit dl rm
buffered_stream_fwd.hpp	669	0644	edit dl rm
buffered_write_stream.hpp	8042	0644	edit dl rm
buffered_write_stream_fwd.hpp	705	0644	edit dl rm
buffers_iterator.hpp	14049	0644	edit dl rm
completion_condition.hpp	5500	0644	edit dl rm
compose.hpp	4596	0644	edit dl rm
connect.hpp	43157	0644	edit dl rm
coroutine.hpp	9897	0644	edit dl rm
co_spawn.hpp	14509	0644	edit dl rm
deadline_timer.hpp	1138	0644	edit dl rm
defer.hpp	5070	0644	edit dl rm
detached.hpp	3517	0644	edit dl rm
dispatch.hpp	4537	0644	edit dl rm
error.hpp	10351	0644	edit dl rm
execution.hpp	1871	0644	edit dl rm
execution_context.hpp	14341	0644	edit dl rm
executor.hpp	10467	0644	edit dl rm
executor_work_guard.hpp	8039	0644	edit dl rm
handler_alloc_hook.hpp	3471	0644	edit dl rm
handler_continuation_hook.hpp	1474	0644	edit dl rm
handler_invoke_hook.hpp	3744	0644	edit dl rm
high_resolution_timer.hpp	1394	0644	edit dl rm
io_context.hpp	55226	0644	edit dl rm
io_context_strand.hpp	13706	0644	edit dl rm
io_service.hpp	861	0644	edit dl rm
io_service_strand.hpp	575	0644	edit dl rm
is_applicable_property.hpp	1605	0644	edit dl rm
is_executor.hpp	1306	0644	edit dl rm
is_read_buffered.hpp	1646	0644	edit dl rm
is_write_buffered.hpp	1667	0644	edit dl rm
multiple_exceptions.hpp	1631	0644	edit dl rm
packaged_task.hpp	3358	0644	edit dl rm
placeholders.hpp	4146	0644	edit dl rm
post.hpp	4760	0644	edit dl rm
prefer.hpp	18821	0644	edit dl rm
query.hpp	8323	0644	edit dl rm
read.hpp	53894	0644	edit dl rm
read_at.hpp	27766	0644	edit dl rm
read_until.hpp	119477	0644	edit dl rm
redirect_error.hpp	1938	0644	edit dl rm
require.hpp	14926	0644	edit dl rm
require_concept.hpp	9218	0644	edit dl rm
serial_port.hpp	1010	0644	edit dl rm
serial_port_base.hpp	4975	0644	edit dl rm
signal_set.hpp	748	0644	edit dl rm
socket_base.hpp	15939	0644	edit dl rm
spawn.hpp	11793	0644	edit dl rm
ssl.hpp	848	0644	edit dl rm
static_thread_pool.hpp	826	0644	edit dl rm
steady_timer.hpp	1306	0644	edit dl rm
strand.hpp	17193	0644	edit dl rm
streambuf.hpp	826	0644	edit dl rm
system_context.hpp	2649	0644	edit dl rm
system_executor.hpp	22529	0644	edit dl rm
system_timer.hpp	1306	0644	edit dl rm
this_coro.hpp	1149	0644	edit dl rm
thread_pool.hpp	37567	0644	edit dl rm
time_traits.hpp	2281	0644	edit dl rm
unyield.hpp	381	0644	edit dl rm
uses_executor.hpp	2348	0644	edit dl rm
use_awaitable.hpp	5821	0644	edit dl rm
use_future.hpp	4820	0644	edit dl rm
version.hpp	686	0644	edit dl rm
wait_traits.hpp	1451	0644	edit dl rm
write.hpp	52959	0644	edit dl rm
write_at.hpp	29514	0644	edit dl rm
yield.hpp	482	0644	edit dl rm

Edit: /usr/include/boost/asio/strand.hpp (17193B)

//
// strand.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_STRAND_HPP
#define BOOST_ASIO_STRAND_HPP

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

#include <boost/asio/detail/config.hpp>
#include <boost/asio/detail/strand_executor_service.hpp>
#include <boost/asio/detail/type_traits.hpp>
#include <boost/asio/execution/executor.hpp>
#include <boost/asio/is_executor.hpp>

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

namespace boost {
namespace asio {

/// Provides serialised function invocation for any executor type.
template <typename Executor>
class strand
{
public:
  /// The type of the underlying executor.
  typedef Executor inner_executor_type;

/// Default constructor.
  /**
   * This constructor is only valid if the underlying executor type is default
   * constructible.
   */
  strand()
    : executor_(),
      impl_(strand::create_implementation(executor_))
  {
  }

/// Construct a strand for the specified executor.
  template <typename Executor1>
  explicit strand(const Executor1& e,
      typename enable_if<
        conditional<
          !is_same<Executor1, strand>::value,
          is_convertible<Executor1, Executor>,
          false_type
        >::type::value
      >::type* = 0)
    : executor_(e),
      impl_(strand::create_implementation(executor_))
  {
  }

/// Copy constructor.
  strand(const strand& other) BOOST_ASIO_NOEXCEPT
    : executor_(other.executor_),
      impl_(other.impl_)
  {
  }

/// Converting constructor.
  /**
   * This constructor is only valid if the @c OtherExecutor type is convertible
   * to @c Executor.
   */
  template <class OtherExecutor>
  strand(
      const strand<OtherExecutor>& other) BOOST_ASIO_NOEXCEPT
    : executor_(other.executor_),
      impl_(other.impl_)
  {
  }

/// Assignment operator.
  strand& operator=(const strand& other) BOOST_ASIO_NOEXCEPT
  {
    executor_ = other.executor_;
    impl_ = other.impl_;
    return *this;
  }

/// Converting assignment operator.
  /**
   * This assignment operator is only valid if the @c OtherExecutor type is
   * convertible to @c Executor.
   */
  template <class OtherExecutor>
  strand& operator=(
      const strand<OtherExecutor>& other) BOOST_ASIO_NOEXCEPT
  {
    executor_ = other.executor_;
    impl_ = other.impl_;
    return *this;
  }

#if defined(BOOST_ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
  /// Move constructor.
  strand(strand&& other) BOOST_ASIO_NOEXCEPT
    : executor_(BOOST_ASIO_MOVE_CAST(Executor)(other.executor_)),
      impl_(BOOST_ASIO_MOVE_CAST(implementation_type)(other.impl_))
  {
  }

/// Converting move constructor.
  /**
   * This constructor is only valid if the @c OtherExecutor type is convertible
   * to @c Executor.
   */
  template <class OtherExecutor>
  strand(strand<OtherExecutor>&& other) BOOST_ASIO_NOEXCEPT
    : executor_(BOOST_ASIO_MOVE_CAST(OtherExecutor)(other.executor_)),
      impl_(BOOST_ASIO_MOVE_CAST(implementation_type)(other.impl_))
  {
  }

/// Move assignment operator.
  strand& operator=(strand&& other) BOOST_ASIO_NOEXCEPT
  {
    executor_ = BOOST_ASIO_MOVE_CAST(Executor)(other.executor_);
    impl_ = BOOST_ASIO_MOVE_CAST(implementation_type)(other.impl_);
    return *this;
  }

/// Converting move assignment operator.
  /**
   * This assignment operator is only valid if the @c OtherExecutor type is
   * convertible to @c Executor.
   */
  template <class OtherExecutor>
  strand& operator=(strand<OtherExecutor>&& other) BOOST_ASIO_NOEXCEPT
  {
    executor_ = BOOST_ASIO_MOVE_CAST(OtherExecutor)(other.executor_);
    impl_ = BOOST_ASIO_MOVE_CAST(implementation_type)(other.impl_);
    return *this;
  }
#endif // defined(BOOST_ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)

/// Destructor.
  ~strand() BOOST_ASIO_NOEXCEPT
  {
  }

/// Obtain the underlying executor.
  inner_executor_type get_inner_executor() const BOOST_ASIO_NOEXCEPT
  {
    return executor_;
  }

/// Forward a query to the underlying executor.
  /**
   * Do not call this function directly. It is intended for use with the
   * execution::execute customisation point.
   *
   * For example:
   * @code boost::asio::strand<my_executor_type> ex = ...;
   * if (boost::asio::query(ex, boost::asio::execution::blocking)
   *       == boost::asio::execution::blocking.never)
   *   ... @endcode
   */
  template <typename Property>
  typename enable_if<
    can_query<const Executor&, Property>::value,
    typename query_result<const Executor&, Property>::type
  >::type query(const Property& p) const
    BOOST_ASIO_NOEXCEPT_IF((
      is_nothrow_query<const Executor&, Property>::value))
  {
    return boost::asio::query(executor_, p);
  }

/// Forward a requirement to the underlying executor.
  /**
   * Do not call this function directly. It is intended for use with the
   * boost::asio::require customisation point.
   *
   * For example:
   * @code boost::asio::strand<my_executor_type> ex1 = ...;
   * auto ex2 = boost::asio::require(ex1,
   *     boost::asio::execution::blocking.never); @endcode
   */
  template <typename Property>
  typename enable_if<
    can_require<const Executor&, Property>::value,
    strand<typename decay<
      typename require_result<const Executor&, Property>::type
    >::type>
  >::type require(const Property& p) const
    BOOST_ASIO_NOEXCEPT_IF((
      is_nothrow_require<const Executor&, Property>::value))
  {
    return strand<typename decay<
      typename require_result<const Executor&, Property>::type
        >::type>(boost::asio::require(executor_, p), impl_);
  }

/// Forward a preference to the underlying executor.
  /**
   * Do not call this function directly. It is intended for use with the
   * boost::asio::prefer customisation point.
   *
   * For example:
   * @code boost::asio::strand<my_executor_type> ex1 = ...;
   * auto ex2 = boost::asio::prefer(ex1,
   *     boost::asio::execution::blocking.never); @endcode
   */
  template <typename Property>
  typename enable_if<
    can_prefer<const Executor&, Property>::value,
    strand<typename decay<
      typename prefer_result<const Executor&, Property>::type
    >::type>
  >::type prefer(const Property& p) const
    BOOST_ASIO_NOEXCEPT_IF((
      is_nothrow_prefer<const Executor&, Property>::value))
  {
    return strand<typename decay<
      typename prefer_result<const Executor&, Property>::type
        >::type>(boost::asio::prefer(executor_, p), impl_);
  }

#if !defined(BOOST_ASIO_NO_TS_EXECUTORS)
  /// Obtain the underlying execution context.
  execution_context& context() const BOOST_ASIO_NOEXCEPT
  {
    return executor_.context();
  }

/// Inform the strand that it has some outstanding work to do.
  /**
   * The strand delegates this call to its underlying executor.
   */
  void on_work_started() const BOOST_ASIO_NOEXCEPT
  {
    executor_.on_work_started();
  }

/// Inform the strand that some work is no longer outstanding.
  /**
   * The strand delegates this call to its underlying executor.
   */
  void on_work_finished() const BOOST_ASIO_NOEXCEPT
  {
    executor_.on_work_finished();
  }
#endif // !defined(BOOST_ASIO_NO_TS_EXECUTORS)

/// Request the strand to invoke the given function object.
  /**
   * Do not call this function directly. It is intended for use with the
   * execution::execute customisation point.
   *
   * For example:
   * @code boost::asio::strand<my_executor_type> ex = ...;
   * execution::execute(ex, my_function_object); @endcode
   *
   * This function is used to ask the strand to execute the given function
   * object on its underlying executor. The function object will be executed
   * according to the properties of the underlying executor.
   *
   * @param f The function object to be called. The executor will make
   * a copy of the handler object as required. The function signature of the
   * function object must be: @code void function(); @endcode
   */
  template <typename Function>
  typename enable_if<
    execution::can_execute<const Executor&, Function>::value
  >::type execute(BOOST_ASIO_MOVE_ARG(Function) f) const
  {
    detail::strand_executor_service::execute(impl_,
        executor_, BOOST_ASIO_MOVE_CAST(Function)(f));
  }

#if !defined(BOOST_ASIO_NO_TS_EXECUTORS)
  /// Request the strand to invoke the given function object.
  /**
   * This function is used to ask the strand to execute the given function
   * object on its underlying executor. The function object will be executed
   * inside this function if the strand is not otherwise busy and if the
   * underlying executor's @c dispatch() function is also able to execute the
   * function before returning.
   *
   * @param f The function object to be called. The executor will make
   * a copy of the handler object as required. The function signature of the
   * function object must be: @code void function(); @endcode
   *
   * @param a An allocator that may be used by the executor to allocate the
   * internal storage needed for function invocation.
   */
  template <typename Function, typename Allocator>
  void dispatch(BOOST_ASIO_MOVE_ARG(Function) f, const Allocator& a) const
  {
    detail::strand_executor_service::dispatch(impl_,
        executor_, BOOST_ASIO_MOVE_CAST(Function)(f), a);
  }

/// Request the strand to invoke the given function object.
  /**
   * This function is used to ask the executor to execute the given function
   * object. The function object will never be executed inside this function.
   * Instead, it will be scheduled by the underlying executor's defer function.
   *
   * @param f The function object to be called. The executor will make
   * a copy of the handler object as required. The function signature of the
   * function object must be: @code void function(); @endcode
   *
   * @param a An allocator that may be used by the executor to allocate the
   * internal storage needed for function invocation.
   */
  template <typename Function, typename Allocator>
  void post(BOOST_ASIO_MOVE_ARG(Function) f, const Allocator& a) const
  {
    detail::strand_executor_service::post(impl_,
        executor_, BOOST_ASIO_MOVE_CAST(Function)(f), a);
  }

/// Request the strand to invoke the given function object.
  /**
   * This function is used to ask the executor to execute the given function
   * object. The function object will never be executed inside this function.
   * Instead, it will be scheduled by the underlying executor's defer function.
   *
   * @param f The function object to be called. The executor will make
   * a copy of the handler object as required. The function signature of the
   * function object must be: @code void function(); @endcode
   *
   * @param a An allocator that may be used by the executor to allocate the
   * internal storage needed for function invocation.
   */
  template <typename Function, typename Allocator>
  void defer(BOOST_ASIO_MOVE_ARG(Function) f, const Allocator& a) const
  {
    detail::strand_executor_service::defer(impl_,
        executor_, BOOST_ASIO_MOVE_CAST(Function)(f), a);
  }
#endif // !defined(BOOST_ASIO_NO_TS_EXECUTORS)

/// Determine whether the strand is running in the current thread.
  /**
   * @return @c true if the current thread is executing a function that was
   * submitted to the strand using post(), dispatch() or defer(). Otherwise
   * returns @c false.
   */
  bool running_in_this_thread() const BOOST_ASIO_NOEXCEPT
  {
    return detail::strand_executor_service::running_in_this_thread(impl_);
  }

/// Compare two strands for equality.
  /**
   * Two strands are equal if they refer to the same ordered, non-concurrent
   * state.
   */
  friend bool operator==(const strand& a, const strand& b) BOOST_ASIO_NOEXCEPT
  {
    return a.impl_ == b.impl_;
  }

/// Compare two strands for inequality.
  /**
   * Two strands are equal if they refer to the same ordered, non-concurrent
   * state.
   */
  friend bool operator!=(const strand& a, const strand& b) BOOST_ASIO_NOEXCEPT
  {
    return a.impl_ != b.impl_;
  }

#if defined(GENERATING_DOCUMENTATION)
private:
#endif // defined(GENERATING_DOCUMENTATION)
  typedef detail::strand_executor_service::implementation_type
    implementation_type;

template <typename InnerExecutor>
  static implementation_type create_implementation(const InnerExecutor& ex,
      typename enable_if<
        can_query<InnerExecutor, execution::context_t>::value
      >::type* = 0)
  {
    return use_service<detail::strand_executor_service>(
        boost::asio::query(ex, execution::context)).create_implementation();
  }

template <typename InnerExecutor>
  static implementation_type create_implementation(const InnerExecutor& ex,
      typename enable_if<
        !can_query<InnerExecutor, execution::context_t>::value
      >::type* = 0)
  {
    return use_service<detail::strand_executor_service>(
        ex.context()).create_implementation();
  }

strand(const Executor& ex, const implementation_type& impl)
    : executor_(ex),
      impl_(impl)
  {
  }

Executor executor_;
  implementation_type impl_;
};

/** @defgroup make_strand boost::asio::make_strand
 *
 * @brief The boost::asio::make_strand function creates a @ref strand object for
 * an executor or execution context.
 */
/*@{*/

/// Create a @ref strand object for an executor.
template <typename Executor>
inline strand<Executor> make_strand(const Executor& ex,
    typename enable_if<
      is_executor<Executor>::value || execution::is_executor<Executor>::value
    >::type* = 0)
{
  return strand<Executor>(ex);
}

/// Create a @ref strand object for an execution context.
template <typename ExecutionContext>
inline strand<typename ExecutionContext::executor_type>
make_strand(ExecutionContext& ctx,
    typename enable_if<
      is_convertible<ExecutionContext&, execution_context&>::value
    >::type* = 0)
{
  return strand<typename ExecutionContext::executor_type>(ctx.get_executor());
}

/*@}*/

#if !defined(GENERATING_DOCUMENTATION)

namespace traits {

#if !defined(BOOST_ASIO_HAS_DEDUCED_EQUALITY_COMPARABLE_TRAIT)

template <typename Executor>
struct equality_comparable<strand<Executor> >
{
  BOOST_ASIO_STATIC_CONSTEXPR(bool, is_valid = true);
  BOOST_ASIO_STATIC_CONSTEXPR(bool, is_noexcept = true);
};

#endif // !defined(BOOST_ASIO_HAS_DEDUCED_EQUALITY_COMPARABLE_TRAIT)

#if !defined(BOOST_ASIO_HAS_DEDUCED_EXECUTE_MEMBER_TRAIT)

template <typename Executor, typename Function>
struct execute_member<strand<Executor>, Function>
{
  BOOST_ASIO_STATIC_CONSTEXPR(bool, is_valid = true);
  BOOST_ASIO_STATIC_CONSTEXPR(bool, is_noexcept = false);
  typedef void result_type;
};

#endif // !defined(BOOST_ASIO_HAS_DEDUCED_EXECUTE_MEMBER_TRAIT)

#if !defined(BOOST_ASIO_HAS_DEDUCED_QUERY_MEMBER_TRAIT)

template <typename Executor, typename Property>
struct query_member<strand<Executor>, Property,
    typename enable_if<
      can_query<const Executor&, Property>::value
    >::type>
{
  BOOST_ASIO_STATIC_CONSTEXPR(bool, is_valid = true);
  BOOST_ASIO_STATIC_CONSTEXPR(bool, is_noexcept =
      (is_nothrow_query<Executor, Property>::value));
  typedef typename query_result<Executor, Property>::type result_type;
};

#endif // !defined(BOOST_ASIO_HAS_DEDUCED_QUERY_MEMBER_TRAIT)

#if !defined(BOOST_ASIO_HAS_DEDUCED_REQUIRE_MEMBER_TRAIT)

template <typename Executor, typename Property>
struct require_member<strand<Executor>, Property,
    typename enable_if<
      can_require<const Executor&, Property>::value
    >::type>
{
  BOOST_ASIO_STATIC_CONSTEXPR(bool, is_valid = true);
  BOOST_ASIO_STATIC_CONSTEXPR(bool, is_noexcept =
      (is_nothrow_require<Executor, Property>::value));
  typedef strand<typename decay<
    typename require_result<Executor, Property>::type
      >::type> result_type;
};

#endif // !defined(BOOST_ASIO_HAS_DEDUCED_REQUIRE_MEMBER_TRAIT)

#if !defined(BOOST_ASIO_HAS_DEDUCED_PREFER_MEMBER_TRAIT)

template <typename Executor, typename Property>
struct prefer_member<strand<Executor>, Property,
    typename enable_if<
      can_prefer<const Executor&, Property>::value
    >::type>
{
  BOOST_ASIO_STATIC_CONSTEXPR(bool, is_valid = true);
  BOOST_ASIO_STATIC_CONSTEXPR(bool, is_noexcept =
      (is_nothrow_prefer<Executor, Property>::value));
  typedef strand<typename decay<
    typename prefer_result<Executor, Property>::type
      >::type> result_type;
};

#endif // !defined(BOOST_ASIO_HAS_DEDUCED_PREFER_MEMBER_TRAIT)

} // namespace traits

#endif // !defined(GENERATING_DOCUMENTATION)

} // namespace asio
} // namespace boost

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

// If both io_context.hpp and strand.hpp have been included, automatically
// include the header file needed for the io_context::strand class.
#if !defined(BOOST_ASIO_NO_EXTENSIONS)
# if defined(BOOST_ASIO_IO_CONTEXT_HPP)
#  include <boost/asio/io_context_strand.hpp>
# endif // defined(BOOST_ASIO_IO_CONTEXT_HPP)
#endif // !defined(BOOST_ASIO_NO_EXTENSIONS)

#endif // BOOST_ASIO_STRAND_HPP

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