libs/capy/include/boost/capy/ex/frame_allocator.hpp

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1		//
2		// Copyright (c) 2025 Vinnie Falco (vinnie dot falco at gmail dot com)
3		//
4		// Distributed under the Boost Software License, Version 1.0. (See accompanying
5		// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6		//
7		// Official repository: https://github.com/cppalliance/capy
8		//
9
10		#ifndef BOOST_CAPY_FRAME_ALLOCATOR_HPP
11		#define BOOST_CAPY_FRAME_ALLOCATOR_HPP
12
13		#include <boost/capy/detail/config.hpp>
14		#include <boost/capy/detail/frame_memory_resource.hpp>
15
16		#include <memory_resource>
17
18		namespace boost {
19		namespace capy {
20
21		/** Thread-local storage for the current frame allocator.
22
23		This function returns a reference to the thread-local pointer
24		that holds the current memory_resource for frame allocation.
25		The pointer is set by run_async before creating any tasks.
26
27		@return Reference to the thread-local memory_resource pointer.
28		*/
29		inline std::pmr::memory_resource*&
30	16690	current_frame_allocator() noexcept
31		{
32		static thread_local std::pmr::memory_resource* mr = nullptr;
33	16690	return mr;
34		}
35
36		// For backward compatibility
37		using detail::frame_memory_resource;
38
39		} // namespace capy
40		} // namespace boost
41
42		#endif
43