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-rw-r--r--3rdparty/asio/include/asio/impl/system_executor.hpp158
1 files changed, 122 insertions, 36 deletions
diff --git a/3rdparty/asio/include/asio/impl/system_executor.hpp b/3rdparty/asio/include/asio/impl/system_executor.hpp
index 12ca9b958d4..bee9e9ee8c9 100644
--- a/3rdparty/asio/include/asio/impl/system_executor.hpp
+++ b/3rdparty/asio/include/asio/impl/system_executor.hpp
@@ -2,7 +2,7 @@
// impl/system_executor.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2021 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)
@@ -17,46 +17,137 @@
#include "asio/detail/executor_op.hpp"
#include "asio/detail/global.hpp"
-#include "asio/detail/recycling_allocator.hpp"
#include "asio/detail/type_traits.hpp"
-#include "asio/execution_context.hpp"
+#include "asio/system_context.hpp"
#include "asio/detail/push_options.hpp"
namespace asio {
-inline execution_context& system_executor::context() const ASIO_NOEXCEPT
+template <typename Blocking, typename Relationship, typename Allocator>
+inline system_context&
+basic_system_executor<Blocking, Relationship, Allocator>::query(
+ execution::context_t) ASIO_NOEXCEPT
{
- return detail::global<context_impl>();
+ return detail::global<system_context>();
}
-template <typename Function, typename Allocator>
-void system_executor::dispatch(
- ASIO_MOVE_ARG(Function) f, const Allocator&) const
+template <typename Blocking, typename Relationship, typename Allocator>
+inline std::size_t
+basic_system_executor<Blocking, Relationship, Allocator>::query(
+ execution::occupancy_t) const ASIO_NOEXCEPT
+{
+ return detail::global<system_context>().num_threads_;
+}
+
+template <typename Blocking, typename Relationship, typename Allocator>
+template <typename Function>
+inline void
+basic_system_executor<Blocking, Relationship, Allocator>::do_execute(
+ ASIO_MOVE_ARG(Function) f, execution::blocking_t::possibly_t) const
+{
+ // Obtain a non-const instance of the function.
+ detail::non_const_lvalue<Function> f2(f);
+
+#if !defined(ASIO_NO_EXCEPTIONS)
+ try
+ {
+#endif// !defined(ASIO_NO_EXCEPTIONS)
+ detail::fenced_block b(detail::fenced_block::full);
+ asio_handler_invoke_helpers::invoke(f2.value, f2.value);
+#if !defined(ASIO_NO_EXCEPTIONS)
+ }
+ catch (...)
+ {
+ std::terminate();
+ }
+#endif// !defined(ASIO_NO_EXCEPTIONS)
+}
+
+template <typename Blocking, typename Relationship, typename Allocator>
+template <typename Function>
+inline void
+basic_system_executor<Blocking, Relationship, Allocator>::do_execute(
+ ASIO_MOVE_ARG(Function) f, execution::blocking_t::always_t) const
+{
+ // Obtain a non-const instance of the function.
+ detail::non_const_lvalue<Function> f2(f);
+
+#if !defined(ASIO_NO_EXCEPTIONS)
+ try
+ {
+#endif// !defined(ASIO_NO_EXCEPTIONS)
+ detail::fenced_block b(detail::fenced_block::full);
+ asio_handler_invoke_helpers::invoke(f2.value, f2.value);
+#if !defined(ASIO_NO_EXCEPTIONS)
+ }
+ catch (...)
+ {
+ std::terminate();
+ }
+#endif// !defined(ASIO_NO_EXCEPTIONS)
+}
+
+template <typename Blocking, typename Relationship, typename Allocator>
+template <typename Function>
+void basic_system_executor<Blocking, Relationship, Allocator>::do_execute(
+ ASIO_MOVE_ARG(Function) f, execution::blocking_t::never_t) const
+{
+ system_context& ctx = detail::global<system_context>();
+
+ // Allocate and construct an operation to wrap the function.
+ typedef typename decay<Function>::type function_type;
+ 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(ASIO_MOVE_CAST(Function)(f), allocator_);
+
+ if (is_same<Relationship, execution::relationship_t::continuation_t>::value)
+ {
+ ASIO_HANDLER_CREATION((ctx, *p.p,
+ "system_executor", &ctx, 0, "execute(blk=never,rel=cont)"));
+ }
+ else
+ {
+ ASIO_HANDLER_CREATION((ctx, *p.p,
+ "system_executor", &ctx, 0, "execute(blk=never,rel=fork)"));
+ }
+
+ ctx.scheduler_.post_immediate_completion(p.p,
+ is_same<Relationship, execution::relationship_t::continuation_t>::value);
+ p.v = p.p = 0;
+}
+
+#if !defined(ASIO_NO_TS_EXECUTORS)
+template <typename Blocking, typename Relationship, typename Allocator>
+inline system_context& basic_system_executor<
+ Blocking, Relationship, Allocator>::context() const ASIO_NOEXCEPT
+{
+ return detail::global<system_context>();
+}
+
+template <typename Blocking, typename Relationship, typename Allocator>
+template <typename Function, typename OtherAllocator>
+void basic_system_executor<Blocking, Relationship, Allocator>::dispatch(
+ ASIO_MOVE_ARG(Function) f, const OtherAllocator&) const
{
typename decay<Function>::type tmp(ASIO_MOVE_CAST(Function)(f));
asio_handler_invoke_helpers::invoke(tmp, tmp);
}
-template <typename Function, typename Allocator>
-void system_executor::post(
- ASIO_MOVE_ARG(Function) f, const Allocator& a) const
+template <typename Blocking, typename Relationship, typename Allocator>
+template <typename Function, typename OtherAllocator>
+void basic_system_executor<Blocking, Relationship, Allocator>::post(
+ ASIO_MOVE_ARG(Function) f, const OtherAllocator& a) const
{
- context_impl& ctx = detail::global<context_impl>();
-
- // Make a local, non-const copy of the function.
typedef typename decay<Function>::type function_type;
- function_type tmp(ASIO_MOVE_CAST(Function)(f));
- // Construct an allocator to be used for the operation.
- typedef typename detail::get_recycling_allocator<Allocator>::type alloc_type;
- alloc_type allocator(detail::get_recycling_allocator<Allocator>::get(a));
+ system_context& ctx = detail::global<system_context>();
// Allocate and construct an operation to wrap the function.
- typedef detail::executor_op<function_type, alloc_type> op;
- typename op::ptr p = { allocator, 0, 0 };
- p.v = p.a.allocate(1);
- p.p = new (p.v) op(tmp, allocator);
+ 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(ASIO_MOVE_CAST(Function)(f), a);
ASIO_HANDLER_CREATION((ctx, *p.p,
"system_executor", &this->context(), 0, "post"));
@@ -65,25 +156,19 @@ void system_executor::post(
p.v = p.p = 0;
}
-template <typename Function, typename Allocator>
-void system_executor::defer(
- ASIO_MOVE_ARG(Function) f, const Allocator& a) const
+template <typename Blocking, typename Relationship, typename Allocator>
+template <typename Function, typename OtherAllocator>
+void basic_system_executor<Blocking, Relationship, Allocator>::defer(
+ ASIO_MOVE_ARG(Function) f, const OtherAllocator& a) const
{
- context_impl& ctx = detail::global<context_impl>();
-
- // Make a local, non-const copy of the function.
typedef typename decay<Function>::type function_type;
- function_type tmp(ASIO_MOVE_CAST(Function)(f));
- // Construct an allocator to be used for the operation.
- typedef typename detail::get_recycling_allocator<Allocator>::type alloc_type;
- alloc_type allocator(detail::get_recycling_allocator<Allocator>::get(a));
+ system_context& ctx = detail::global<system_context>();
// Allocate and construct an operation to wrap the function.
- typedef detail::executor_op<function_type, alloc_type> op;
- typename op::ptr p = { allocator, 0, 0 };
- p.v = p.a.allocate(1);
- p.p = new (p.v) op(tmp, allocator);
+ 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(ASIO_MOVE_CAST(Function)(f), a);
ASIO_HANDLER_CREATION((ctx, *p.p,
"system_executor", &this->context(), 0, "defer"));
@@ -91,6 +176,7 @@ void system_executor::defer(
ctx.scheduler_.post_immediate_completion(p.p, true);
p.v = p.p = 0;
}
+#endif // !defined(ASIO_NO_TS_EXECUTORS)
} // namespace asio