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 +1,107 @@
+
+//          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)
+//
+//          based on tss.hpp from boost.thread
+
+#ifndef BOOST_FIBERS_FSS_H
+#define BOOST_FIBERS_FSS_H
+
+#include <boost/config.hpp>
+
+#include <boost/fiber/context.hpp>
+#include <boost/fiber/detail/fss.hpp>
+
+#ifdef BOOST_HAS_ABI_HEADERS
+#  include BOOST_ABI_PREFIX
+#endif
+
+namespace boost {
+namespace fibers {
+
+template< typename T >
+class fiber_specific_ptr {
+private:
+    struct default_cleanup_function : public detail::fss_cleanup_function {
+        void operator()( void * data) noexcept {
+            delete static_cast< T * >( data);
+        }
+    };
+
+    struct custom_cleanup_function : public detail::fss_cleanup_function {
+        void (*fn)(T*);
+
+        explicit custom_cleanup_function( void(*fn_)(T*) ) noexcept :
+            fn{ fn_ } {
+        }
+
+        void operator()( void* data) {
+            if ( fn) {
+                fn( static_cast< T * >( data) );
+            }
+        }
+    };
+
+    detail::fss_cleanup_function::ptr_t cleanup_fn_;
+
+public:
+    typedef T   element_type;
+
+    fiber_specific_ptr() :
+        cleanup_fn_{ new default_cleanup_function() } {
+    }
+
+    explicit fiber_specific_ptr( void(*fn)(T*) ) :
+        cleanup_fn_{ new custom_cleanup_function( fn) } {
+    }
+
+    ~fiber_specific_ptr() {
+        context * active_ctx = context::active();
+        if ( nullptr != active_ctx) {
+            active_ctx->set_fss_data(
+                this, cleanup_fn_, nullptr, true);
+        }
+    }
+
+    fiber_specific_ptr( fiber_specific_ptr const&) = delete;
+    fiber_specific_ptr & operator=( fiber_specific_ptr const&) = delete;
+
+    T * get() const noexcept {
+        BOOST_ASSERT( context::active() );
+        void * vp = context::active()->get_fss_data( this);
+        return static_cast< T * >( vp);
+    }
+
+    T * operator->() const noexcept {
+        return get();
+    }
+
+    T & operator*() const noexcept {
+        return * get();
+    }
+
+    T * release() {
+        T * tmp = get();
+        context::active()->set_fss_data(
+            this, cleanup_fn_, nullptr, false);
+        return tmp;
+    }
+
+    void reset( T * t) {
+        T * c = get();
+        if ( c != t) {
+            context::active()->set_fss_data(
+                this, cleanup_fn_, t, true);
+        }
+    }
+};
+
+}}
+
+#ifdef BOOST_HAS_ABI_HEADERS
+#  include BOOST_ABI_SUFFIX
+#endif
+
+#endif //  BOOST_FIBERS_FSS_H