1 files changed, 66 insertions, 0 deletions
diff --git a/boost/coroutine/stack_context.hpp b/boost/coroutine/stack_context.hpp
new file mode 100644
index 0000000000..1ca11eb4a8
--- /dev/null
+++ b/boost/coroutine/stack_context.hpp
@@ -0,0 +1,66 @@
+
+//          Copyright Oliver Kowalke 2009.
+// 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_COROUTINES_STACK_CONTEXT_H
+#define BOOST_COROUTINES_STACK_CONTEXT_H
+
+#include <cstddef>
+
+#include <boost/config.hpp>
+
+#include <boost/coroutine/detail/config.hpp>
+
+#ifdef BOOST_HAS_ABI_HEADERS
+#  include BOOST_ABI_PREFIX
+#endif
+
+namespace boost {
+namespace coroutines {
+
+#if defined(BOOST_USE_SEGMENTED_STACKS)
+struct stack_context
+{
+    typedef void *  segments_context[BOOST_COROUTINES_SEGMENTS];
+
+    std::size_t             size;
+    void                *   sp;
+    segments_context        segments_ctx;
+#if defined(BOOST_USE_VALGRIND)
+    unsigned                valgrind_stack_id;
+#endif
+
+    stack_context() :
+        size( 0), sp( 0), segments_ctx()
+#if defined(BOOST_USE_VALGRIND)
+        , valgrind_stack_id( 0)
+#endif
+    {}
+};
+#else
+struct stack_context
+{
+    std::size_t             size;
+    void                *   sp;
+#if defined(BOOST_USE_VALGRIND)
+    unsigned                valgrind_stack_id;
+#endif
+
+    stack_context() :
+        size( 0), sp( 0)
+#if defined(BOOST_USE_VALGRIND)
+        , valgrind_stack_id( 0)
+#endif
+    {}
+};
+#endif
+
+}}
+
+#ifdef BOOST_HAS_ABI_HEADERS
+#  include BOOST_ABI_SUFFIX
+#endif
+
+#endif // BOOST_COROUTINES_STACK_CONTEXT_H