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 +1,162 @@
+
+//          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_FIBER_H
+#define BOOST_FIBERS_FIBER_H
+
+#include <algorithm>
+#include <exception>
+#include <memory>
+#include <utility>
+
+#include <boost/assert.hpp>
+#include <boost/config.hpp>
+#include <boost/intrusive_ptr.hpp>
+
+#include <boost/fiber/detail/config.hpp>
+#include <boost/fiber/detail/disable_overload.hpp>
+#include <boost/fiber/context.hpp>
+#include <boost/fiber/fixedsize_stack.hpp>
+#include <boost/fiber/policy.hpp>
+#include <boost/fiber/properties.hpp>
+#include <boost/fiber/segmented_stack.hpp>
+
+#ifdef BOOST_HAS_ABI_HEADERS
+#  include BOOST_ABI_PREFIX
+#endif
+
+#ifdef _MSC_VER
+# pragma warning(push)
+# pragma warning(disable:4251)
+#endif
+
+namespace boost {
+namespace fibers {
+
+class BOOST_FIBERS_DECL fiber {
+private:
+    friend class context;
+
+    typedef intrusive_ptr< context >  ptr_t;
+
+    ptr_t       impl_{};
+
+    void start_() noexcept;
+
+public:
+    typedef context::id    id;
+
+    fiber() = default;
+
+    template< typename Fn,
+              typename ... Args,
+              typename = detail::disable_overload< fiber, Fn >
+    >
+    fiber( Fn && fn, Args && ... args) :
+        fiber{ launch::post,
+               std::allocator_arg, default_stack(),
+               std::forward< Fn >( fn), std::forward< Args >( args) ... } {
+    }
+
+    template< typename Fn,
+              typename ... Args,
+              typename = detail::disable_overload< fiber, Fn >
+    >
+    fiber( launch policy, Fn && fn, Args && ... args) :
+        fiber{ policy,
+               std::allocator_arg, default_stack(),
+               std::forward< Fn >( fn), std::forward< Args >( args) ... } {
+    }
+
+    template< typename StackAllocator,
+              typename Fn,
+              typename ... Args
+    >
+    fiber( std::allocator_arg_t, StackAllocator salloc, Fn && fn, Args && ... args) :
+        fiber{ launch::post,
+               std::allocator_arg, salloc,
+               std::forward< Fn >( fn), std::forward< Args >( args) ... } {
+    }
+
+    template< typename StackAllocator,
+              typename Fn,
+              typename ... Args
+    >
+    fiber( launch policy, std::allocator_arg_t, StackAllocator salloc, Fn && fn, Args && ... args) :
+        impl_{ make_worker_context( policy, salloc, std::forward< Fn >( fn), std::forward< Args >( args) ... ) } {
+        start_();
+    }
+
+    ~fiber() {
+        if ( joinable() ) {
+            std::terminate();
+        }
+    }
+
+    fiber( fiber const&) = delete;
+    fiber & operator=( fiber const&) = delete;
+
+    fiber( fiber && other) noexcept :
+        impl_{} {
+        impl_.swap( other.impl_);
+    }
+
+    fiber & operator=( fiber && other) noexcept {
+        if ( joinable() ) {
+            std::terminate();
+        }
+        if ( this == & other) {
+            return * this;
+        }
+        impl_.swap( other.impl_);
+        return * this;
+    }
+
+    void swap( fiber & other) noexcept {
+        impl_.swap( other.impl_);
+    }
+
+    id get_id() const noexcept {
+        return impl_ ? impl_->get_id() : id();
+    }
+
+    bool joinable() const noexcept {
+        return nullptr != impl_;
+    }
+
+    void join();
+
+    void detach();
+
+    template< typename PROPS >
+    PROPS & properties() {
+        auto props = impl_->get_properties();
+        BOOST_ASSERT_MSG( props, "fiber::properties not set");
+        return dynamic_cast< PROPS & >( * props );
+    }
+};
+
+inline
+bool operator<( fiber const& l, fiber const& r) noexcept {
+    return l.get_id() < r.get_id();
+}
+
+inline
+void swap( fiber & l, fiber & r) noexcept {
+    return l.swap( r);
+}
+
+}}
+
+#ifdef _MSC_VER
+# pragma warning(pop)
+#endif
+
+#ifdef BOOST_HAS_ABI_HEADERS
+#  include BOOST_ABI_SUFFIX
+#endif
+
+#endif // BOOST_FIBERS_FIBER_H