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-rw-r--r--3rdparty/asio/include/asio/executor.hpp110
1 files changed, 66 insertions, 44 deletions
diff --git a/3rdparty/asio/include/asio/executor.hpp b/3rdparty/asio/include/asio/executor.hpp
index f22b99191f6..c056525460a 100644
--- a/3rdparty/asio/include/asio/executor.hpp
+++ b/3rdparty/asio/include/asio/executor.hpp
@@ -2,7 +2,7 @@
// executor.hpp
// ~~~~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2024 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)
@@ -16,8 +16,13 @@
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/config.hpp"
+
+#if !defined(ASIO_NO_TS_EXECUTORS)
+
+#include <new>
#include <typeinfo>
#include "asio/detail/cstddef.hpp"
+#include "asio/detail/executor_function.hpp"
#include "asio/detail/memory.hpp"
#include "asio/detail/throw_exception.hpp"
#include "asio/execution_context.hpp"
@@ -32,11 +37,11 @@ class bad_executor
{
public:
/// Constructor.
- ASIO_DECL bad_executor() ASIO_NOEXCEPT;
+ ASIO_DECL bad_executor() noexcept;
/// Obtain message associated with exception.
ASIO_DECL virtual const char* what() const
- ASIO_NOEXCEPT_OR_NOTHROW;
+ noexcept;
};
/// Polymorphic wrapper for executors.
@@ -44,36 +49,53 @@ class executor
{
public:
/// Default constructor.
- executor() ASIO_NOEXCEPT
+ executor() noexcept
: impl_(0)
{
}
/// Construct from nullptr.
- executor(nullptr_t) ASIO_NOEXCEPT
+ executor(nullptr_t) noexcept
: impl_(0)
{
}
/// Copy constructor.
- executor(const executor& other) ASIO_NOEXCEPT
+ executor(const executor& other) noexcept
: impl_(other.clone())
{
}
-#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
/// Move constructor.
- executor(executor&& other) ASIO_NOEXCEPT
+ executor(executor&& other) noexcept
: impl_(other.impl_)
{
other.impl_ = 0;
}
-#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
/// Construct a polymorphic wrapper for the specified executor.
template <typename Executor>
executor(Executor e);
+ /// Construct a polymorphic executor that points to the same target as
+ /// another polymorphic executor.
+ executor(std::nothrow_t, const executor& other) noexcept
+ : impl_(other.clone())
+ {
+ }
+
+ /// Construct a polymorphic executor that moves the target from another
+ /// polymorphic executor.
+ executor(std::nothrow_t, executor&& other) noexcept
+ : impl_(other.impl_)
+ {
+ other.impl_ = 0;
+ }
+
+ /// Construct a polymorphic wrapper for the specified executor.
+ template <typename Executor>
+ executor(std::nothrow_t, Executor e) noexcept;
+
/// Allocator-aware constructor to create a polymorphic wrapper for the
/// specified executor.
template <typename Executor, typename Allocator>
@@ -86,26 +108,24 @@ public:
}
/// Assignment operator.
- executor& operator=(const executor& other) ASIO_NOEXCEPT
+ executor& operator=(const executor& other) noexcept
{
destroy();
impl_ = other.clone();
return *this;
}
-#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
// Move assignment operator.
- executor& operator=(executor&& other) ASIO_NOEXCEPT
+ executor& operator=(executor&& other) noexcept
{
destroy();
impl_ = other.impl_;
other.impl_ = 0;
return *this;
}
-#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
/// Assignment operator for nullptr_t.
- executor& operator=(nullptr_t) ASIO_NOEXCEPT
+ executor& operator=(nullptr_t) noexcept
{
destroy();
impl_ = 0;
@@ -115,9 +135,9 @@ public:
/// Assignment operator to create a polymorphic wrapper for the specified
/// executor.
template <typename Executor>
- executor& operator=(ASIO_MOVE_ARG(Executor) e) ASIO_NOEXCEPT
+ executor& operator=(Executor&& e) noexcept
{
- executor tmp(ASIO_MOVE_CAST(Executor)(e));
+ executor tmp(static_cast<Executor&&>(e));
destroy();
impl_ = tmp.impl_;
tmp.impl_ = 0;
@@ -125,19 +145,19 @@ public:
}
/// Obtain the underlying execution context.
- execution_context& context() const ASIO_NOEXCEPT
+ execution_context& context() const noexcept
{
return get_impl()->context();
}
/// Inform the executor that it has some outstanding work to do.
- void on_work_started() const ASIO_NOEXCEPT
+ void on_work_started() const noexcept
{
get_impl()->on_work_started();
}
/// Inform the executor that some work is no longer outstanding.
- void on_work_finished() const ASIO_NOEXCEPT
+ void on_work_finished() const noexcept
{
get_impl()->on_work_finished();
}
@@ -156,7 +176,7 @@ public:
* internal storage needed for function invocation.
*/
template <typename Function, typename Allocator>
- void dispatch(ASIO_MOVE_ARG(Function) f, const Allocator& a) const;
+ void dispatch(Function&& f, const Allocator& a) const;
/// Request the executor to invoke the given function object.
/**
@@ -172,7 +192,7 @@ public:
* internal storage needed for function invocation.
*/
template <typename Function, typename Allocator>
- void post(ASIO_MOVE_ARG(Function) f, const Allocator& a) const;
+ void post(Function&& f, const Allocator& a) const;
/// Request the executor to invoke the given function object.
/**
@@ -188,14 +208,14 @@ public:
* internal storage needed for function invocation.
*/
template <typename Function, typename Allocator>
- void defer(ASIO_MOVE_ARG(Function) f, const Allocator& a) const;
+ void defer(Function&& f, const Allocator& a) const;
struct unspecified_bool_type_t {};
typedef void (*unspecified_bool_type)(unspecified_bool_type_t);
static void unspecified_bool_true(unspecified_bool_type_t) {}
/// Operator to test if the executor contains a valid target.
- operator unspecified_bool_type() const ASIO_NOEXCEPT
+ operator unspecified_bool_type() const noexcept
{
return impl_ ? &executor::unspecified_bool_true : 0;
}
@@ -206,12 +226,12 @@ public:
* otherwise, <tt>typeid(void)</tt>.
*/
#if !defined(ASIO_NO_TYPEID) || defined(GENERATING_DOCUMENTATION)
- const std::type_info& target_type() const ASIO_NOEXCEPT
+ const std::type_info& target_type() const noexcept
{
return impl_ ? impl_->target_type() : typeid(void);
}
#else // !defined(ASIO_NO_TYPEID) || defined(GENERATING_DOCUMENTATION)
- const void* target_type() const ASIO_NOEXCEPT
+ const void* target_type() const noexcept
{
return impl_ ? impl_->target_type() : 0;
}
@@ -223,7 +243,7 @@ public:
* executor target; otherwise, a null pointer.
*/
template <typename Executor>
- Executor* target() ASIO_NOEXCEPT;
+ Executor* target() noexcept;
/// Obtain a pointer to the target executor object.
/**
@@ -231,11 +251,11 @@ public:
* executor target; otherwise, a null pointer.
*/
template <typename Executor>
- const Executor* target() const ASIO_NOEXCEPT;
+ const Executor* target() const noexcept;
/// Compare two executors for equality.
friend bool operator==(const executor& a,
- const executor& b) ASIO_NOEXCEPT
+ const executor& b) noexcept
{
if (a.impl_ == b.impl_)
return true;
@@ -246,14 +266,14 @@ public:
/// Compare two executors for inequality.
friend bool operator!=(const executor& a,
- const executor& b) ASIO_NOEXCEPT
+ const executor& b) noexcept
{
return !(a == b);
}
private:
#if !defined(GENERATING_DOCUMENTATION)
- class function;
+ typedef detail::executor_function function;
template <typename, typename> class impl;
#if !defined(ASIO_NO_TYPEID)
@@ -277,18 +297,18 @@ private:
class impl_base
{
public:
- virtual impl_base* clone() const ASIO_NOEXCEPT = 0;
- virtual void destroy() ASIO_NOEXCEPT = 0;
- virtual execution_context& context() ASIO_NOEXCEPT = 0;
- virtual void on_work_started() ASIO_NOEXCEPT = 0;
- virtual void on_work_finished() ASIO_NOEXCEPT = 0;
- virtual void dispatch(ASIO_MOVE_ARG(function)) = 0;
- virtual void post(ASIO_MOVE_ARG(function)) = 0;
- virtual void defer(ASIO_MOVE_ARG(function)) = 0;
- virtual type_id_result_type target_type() const ASIO_NOEXCEPT = 0;
- virtual void* target() ASIO_NOEXCEPT = 0;
- virtual const void* target() const ASIO_NOEXCEPT = 0;
- virtual bool equals(const impl_base* e) const ASIO_NOEXCEPT = 0;
+ virtual impl_base* clone() const noexcept = 0;
+ virtual void destroy() noexcept = 0;
+ virtual execution_context& context() noexcept = 0;
+ virtual void on_work_started() noexcept = 0;
+ virtual void on_work_finished() noexcept = 0;
+ virtual void dispatch(function&&) = 0;
+ virtual void post(function&&) = 0;
+ virtual void defer(function&&) = 0;
+ virtual type_id_result_type target_type() const noexcept = 0;
+ virtual void* target() noexcept = 0;
+ virtual const void* target() const noexcept = 0;
+ virtual bool equals(const impl_base* e) const noexcept = 0;
protected:
impl_base(bool fast_dispatch) : fast_dispatch_(fast_dispatch) {}
@@ -311,13 +331,13 @@ private:
}
// Helper function to clone another implementation.
- impl_base* clone() const ASIO_NOEXCEPT
+ impl_base* clone() const noexcept
{
return impl_ ? impl_->clone() : 0;
}
// Helper function to destroy an implementation.
- void destroy() ASIO_NOEXCEPT
+ void destroy() noexcept
{
if (impl_)
impl_->destroy();
@@ -338,4 +358,6 @@ ASIO_USES_ALLOCATOR(asio::executor)
# include "asio/impl/executor.ipp"
#endif // defined(ASIO_HEADER_ONLY)
+#endif // !defined(ASIO_NO_TS_EXECUTORS)
+
#endif // ASIO_EXECUTOR_HPP