src/ex/recycling_memory_resource.cpp
92.3% Lines (24/26)
100.0% Functions (8/8)
| Line | TLA | 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 | 46x | recycling_memory_resource::~recycling_memory_resource() = default; | |
| 16 | |||
| 17 | recycling_memory_resource::pool& | ||
| 18 | 111x | recycling_memory_resource::global() noexcept | |
| 19 | { | ||
| 20 | 111x | static pool p; | |
| 21 | 111x | return p; | |
| 22 | } | ||
| 23 | |||
| 24 | std::mutex& | ||
| 25 | 111x | recycling_memory_resource::global_mutex() noexcept | |
| 26 | { | ||
| 27 | static std::mutex mtx; | ||
| 28 | 111x | return mtx; | |
| 29 | } | ||
| 30 | |||
| 31 | void* | ||
| 32 | 107x | recycling_memory_resource::allocate_slow( | |
| 33 | std::size_t rounded, std::size_t idx) | ||
| 34 | { | ||
| 35 | { | ||
| 36 | 107x | std::lock_guard<std::mutex> lock(global_mutex()); | |
| 37 | 107x | if(auto* p = global().buckets[idx].pop(local().buckets[idx])) | |
| 38 | ✗ | return p; | |
| 39 | 107x | } | |
| 40 | 107x | return ::operator new(rounded); | |
| 41 | } | ||
| 42 | |||
| 43 | void | ||
| 44 | 4x | recycling_memory_resource::deallocate_slow( | |
| 45 | void* p, std::size_t idx) | ||
| 46 | { | ||
| 47 | { | ||
| 48 | 4x | std::lock_guard<std::mutex> lock(global_mutex()); | |
| 49 | 4x | if(global().buckets[idx].push(p)) | |
| 50 | 4x | return; | |
| 51 | 4x | } | |
| 52 | ✗ | ::operator delete(p); | |
| 53 | } | ||
| 54 | |||
| 55 | void* | ||
| 56 | 2902x | recycling_memory_resource::do_allocate(std::size_t bytes, std::size_t alignment) | |
| 57 | { | ||
| 58 | 2902x | return allocate_fast(bytes, alignment); | |
| 59 | } | ||
| 60 | |||
| 61 | void | ||
| 62 | 2902x | recycling_memory_resource::do_deallocate(void* p, std::size_t bytes, std::size_t alignment) | |
| 63 | { | ||
| 64 | 2902x | deallocate_fast(p, bytes, alignment); | |
| 65 | 2902x | } | |
| 66 | |||
| 67 | std::pmr::memory_resource* | ||
| 68 | 3082x | get_recycling_memory_resource() noexcept | |
| 69 | { | ||
| 70 | 3082x | static recycling_memory_resource instance; | |
| 71 | 3082x | return &instance; | |
| 72 | } | ||
| 73 | |||
| 74 | } // namespace capy | ||
| 75 | } // namespace boost | ||
| 76 |