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// 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_FIBER_PREALLOCATED_STACK_ALLOCATOR_H
#define BOOST_FIBER_PREALLOCATED_STACK_ALLOCATOR_H
#include <cstddef>
#include <cstdlib>
#include <stdexcept>
#include <vector>
#include <boost/assert.hpp>
#include <boost/config.hpp>
#include <boost/coroutine/standard_stack_allocator.hpp>
#include <boost/coroutine/stack_context.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/utility.hpp>
#ifdef BOOST_HAS_ABI_HEADERS
# include BOOST_ABI_PREFIX
#endif
class preallocated_stack_allocator
{
private:
boost::coroutines::stack_context stack_ctx_;
public:
preallocated_stack_allocator() :
stack_ctx_()
{
boost::coroutines::standard_stack_allocator allocator;
allocator.allocate(
stack_ctx_,
boost::coroutines::standard_stack_allocator::traits_type::default_size() );
}
void allocate( boost::coroutines::stack_context & ctx, std::size_t size)
{
ctx.sp = stack_ctx_.sp;
ctx.size = stack_ctx_.size;
}
void deallocate( boost::coroutines::stack_context & ctx)
{
}
};
#ifdef BOOST_HAS_ABI_HEADERS
# include BOOST_ABI_SUFFIX
#endif
#endif // BOOST_FIBER_PREALLOCATED_STACK_ALLOCATOR_H
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