Index/src / ex / recycling_memory_resource.cpp

src/ex/recycling_memory_resource.cpp

92.3% Lines (24/26) 100.0% List of functions (8/8) 71.4% Branches (10/14)
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f(x) Functions (8)
Function Calls Lines Branches Blocks
boost::capy::recycling_memory_resource::~recycling_memory_resource() :15 37x 100.0% – 100.0% boost::capy::recycling_memory_resource::global() :18 98x 100.0% 75.0% 100.0% boost::capy::recycling_memory_resource::global_mutex() :25 98x 100.0% – 100.0% boost::capy::recycling_memory_resource::allocate_slow(unsigned long, unsigned long) :32 94x 83.3% 66.7% 88.0% boost::capy::recycling_memory_resource::deallocate_slow(void*, unsigned long) :44 4x 83.3% 66.7% 79.0% boost::capy::recycling_memory_resource::do_allocate(unsigned long, unsigned long) :56 2037x 100.0% – 100.0% boost::capy::recycling_memory_resource::do_deallocate(void*, unsigned long, unsigned long) :62 2037x 100.0% – 100.0% boost::capy::get_recycling_memory_resource() :68 2166x 100.0% 75.0% 100.0%
Line Branch 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 37x recycling_memory_resource::~recycling_memory_resource() = default;
16
17 recycling_memory_resource::pool&
18 98x recycling_memory_resource::global() noexcept
19 {
20
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 98x static pool p;
21 98x return p;
22 }
23
24 std::mutex&
25 98x recycling_memory_resource::global_mutex() noexcept
26 {
27 static std::mutex mtx;
28 98x return mtx;
29 }
30
31 void*
32 94x recycling_memory_resource::allocate_slow(
33 std::size_t rounded, std::size_t idx)
34 {
35 {
36
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 94x std::lock_guard<std::mutex> lock(global_mutex());
37
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 94x if(auto* p = global().buckets[idx].pop(local().buckets[idx]))
38 ✗ return p;
39 94x }
40 94x 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
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 4x std::lock_guard<std::mutex> lock(global_mutex());
49
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 4x if(global().buckets[idx].push(p))
50 4x return;
51 4x }
52 ✗ ::operator delete(p);
53 }
54
55 void*
56 2037x recycling_memory_resource::do_allocate(std::size_t bytes, std::size_t alignment)
57 {
58 2037x return allocate_fast(bytes, alignment);
59 }
60
61 void
62 2037x recycling_memory_resource::do_deallocate(void* p, std::size_t bytes, std::size_t alignment)
63 {
64 2037x deallocate_fast(p, bytes, alignment);
65 2037x }
66
67 std::pmr::memory_resource*
68 2166x get_recycling_memory_resource() noexcept
69 {
70
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 2166x static recycling_memory_resource instance;
71 2166x return &instance;
72 }
73
74 } // namespace capy
75 } // namespace boost
76