src/ex/recycling_memory_resource.cpp

92.3% Lines (24/26) 100.0% Functions (8/8)

Line	Hits	Source Code
1		//
2		// Copyright (c) 2025 Vinnie Falco (vinnie.falco@gmail.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		#include <boost/capy/ex/recycling_memory_resource.hpp>
11
12		namespace boost {
13		namespace capy {
14
15	46	recycling_memory_resource::~recycling_memory_resource() = default;
16
17		recycling_memory_resource::pool&
18	111	recycling_memory_resource::global() noexcept
19		{
20	111	static pool p;
21	111	return p;
22		}
23
24		std::mutex&
25	111	recycling_memory_resource::global_mutex() noexcept
26		{
27		static std::mutex mtx;
28	111	return mtx;
29		}
30
31		void*
32	107	recycling_memory_resource::allocate_slow(
33		std::size_t rounded, std::size_t idx)
34		{
35		{
36	107	std::lock_guard<std::mutex> lock(global_mutex());
37	107	if(auto* p = global().buckets[idx].pop(local().buckets[idx]))
38	✗	return p;
39	107	}
40	107	return ::operator new(rounded);
41		}
42
43		void
44	4	recycling_memory_resource::deallocate_slow(
45		void* p, std::size_t idx)
46		{
47		{
48	4	std::lock_guard<std::mutex> lock(global_mutex());
49	4	if(global().buckets[idx].push(p))
50	4	return;
51	4	}
52	✗	::operator delete(p);
53		}
54
55		void*
56	2902	recycling_memory_resource::do_allocate(std::size_t bytes, std::size_t alignment)
57		{
58	2902	return allocate_fast(bytes, alignment);
59		}
60
61		void
62	2902	recycling_memory_resource::do_deallocate(void* p, std::size_t bytes, std::size_t alignment)
63		{
64	2902	deallocate_fast(p, bytes, alignment);
65	2902	}
66
67		std::pmr::memory_resource*
68	3068	get_recycling_memory_resource() noexcept
69		{
70	3068	static recycling_memory_resource instance;
71	3068	return &instance;
72		}
73
74		} // namespace capy
75		} // namespace boost
76