stabilize build system: depends, installer, boost/bdb fixes, cross targets groundwork

2026-02-24 18:38:47 +00:00
parent da8c28aaeb
commit 65cb2619a7
13106 changed files with 2484322 additions and 1804 deletions
@@ -0,0 +1,112 @@
+
+//          Copyright Oliver Kowalke 2013.
+// 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_FIBERS_ASYNC_HPP
+#define BOOST_FIBERS_ASYNC_HPP
+
+#include <algorithm>
+#include <memory>
+#include <type_traits>
+#include <utility>
+
+#include <boost/config.hpp>
+
+#include <boost/fiber/future/future.hpp>
+#include <boost/fiber/future/packaged_task.hpp>
+#include <boost/fiber/policy.hpp>
+
+namespace boost {
+namespace fibers {
+
+template< typename Fn, typename ... Args >
+future<
+    typename std::result_of<
+        typename std::enable_if<
+            ! detail::is_launch_policy< typename std::decay< Fn >::type >::value,
+            typename std::decay< Fn >::type
+        >::type( typename std::decay< Args >::type ... )
+    >::type
+>
+async( Fn && fn, Args && ... args) {
+    typedef typename std::result_of<
+        typename std::decay< Fn >::type( typename std::decay< Args >::type ... )
+    >::type     result_type;
+
+    packaged_task< result_type( typename std::decay< Args >::type ... ) > pt{
+        std::forward< Fn >( fn) };
+    future< result_type > f{ pt.get_future() };
+    fiber{ std::move( pt), std::forward< Args >( args) ... }.detach();
+    return f;
+}
+
+template< typename Policy, typename Fn, typename ... Args >
+future<
+    typename std::result_of<
+        typename std::enable_if<
+            detail::is_launch_policy< Policy >::value,
+            typename std::decay< Fn >::type
+        >::type( typename std::decay< Args >::type ...)
+    >::type
+>
+async( Policy policy, Fn && fn, Args && ... args) {
+    typedef typename std::result_of<
+        typename std::decay< Fn >::type( typename std::decay< Args >::type ... )
+    >::type     result_type;
+
+    packaged_task< result_type( typename std::decay< Args >::type ... ) > pt{
+        std::forward< Fn >( fn) };
+    future< result_type > f{ pt.get_future() };
+    fiber{ policy, std::move( pt), std::forward< Args >( args) ... }.detach();
+    return f;
+}
+
+template< typename Policy, typename StackAllocator, typename Fn, typename ... Args >
+future<
+    typename std::result_of<
+        typename std::enable_if<
+            detail::is_launch_policy< Policy >::value,
+            typename std::decay< Fn >::type
+        >::type( typename std::decay< Args >::type ... )
+    >::type
+>
+async( Policy policy, std::allocator_arg_t, StackAllocator salloc, Fn && fn, Args && ... args) {
+    typedef typename std::result_of<
+        typename std::decay< Fn >::type( typename std::decay< Args >::type ... )
+    >::type     result_type;
+
+    packaged_task< result_type( typename std::decay< Args >::type ... ) > pt{
+        std::forward< Fn >( fn) };
+    future< result_type > f{ pt.get_future() };
+    fiber{ policy, std::allocator_arg, salloc,
+        std::move( pt), std::forward< Args >( args) ... }.detach();
+    return f;
+}
+
+template< typename Policy, typename StackAllocator, typename Allocator, typename Fn, typename ... Args >
+future<
+    typename std::result_of<
+        typename std::enable_if<
+            detail::is_launch_policy< Policy >::value,
+            typename std::decay< Fn >::type
+        >::type( typename std::decay< Args >::type ... )
+    >::type
+>
+async( Policy policy, std::allocator_arg_t, StackAllocator salloc, Allocator alloc, Fn && fn, Args && ... args) {
+    typedef typename std::result_of<
+        typename std::decay< Fn >::type( typename std::decay< Args >::type ... )
+    >::type     result_type;
+
+    packaged_task< result_type( typename std::decay< Args >::type ... ) > pt{
+        std::allocator_arg, alloc, std::forward< Fn >( fn) };
+    future< result_type > f{ pt.get_future() };
+    fiber{ policy, std::allocator_arg, salloc,
+        std::move( pt), std::forward< Args >( args) ... }.detach();
+    return f;
+}
+
+}}
+
+#endif // BOOST_FIBERS_ASYNC_HPP