Index/detail / shared_resource.hpp

detail/shared_resource.hpp

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f(x) Functions (13)
Function Calls Lines Branches Blocks
boost::json::detail::shared_resource_impl<boost::json::monotonic_resource>::shared_resource_impl<>() :47 11x 100.0% – 100.0% boost::json::detail::shared_resource_impl<boost::json::static_resource>::shared_resource_impl<unsigned char (&) [1024]>(unsigned char (&) [1024]) :47 1x 100.0% – 100.0% boost::json::detail::shared_resource_impl<boost::json::storage_ptr_test::throwing>::shared_resource_impl<>() :47 1x 100.0% – 80.0% boost::json::detail::shared_resource_impl<boost::json::unique_resource>::shared_resource_impl<>() :47 8x 100.0% – 100.0% boost::json::detail::shared_resource_impl<boost::json::monotonic_resource>::do_allocate(unsigned long, unsigned long) :54 27x 100.0% – 100.0% boost::json::detail::shared_resource_impl<boost::json::static_resource>::do_allocate(unsigned long, unsigned long) :54 0 0.0% – 0.0% boost::json::detail::shared_resource_impl<boost::json::storage_ptr_test::throwing>::do_allocate(unsigned long, unsigned long) :54 0 0.0% – 0.0% boost::json::detail::shared_resource_impl<boost::json::unique_resource>::do_allocate(unsigned long, unsigned long) :54 22x 100.0% – 100.0% boost::json::detail::shared_resource_impl<boost::json::monotonic_resource>::do_deallocate(void*, unsigned long, unsigned long) :62 27x 100.0% – 100.0% boost::json::detail::shared_resource_impl<boost::json::static_resource>::do_deallocate(void*, unsigned long, unsigned long) :62 0 0.0% – 0.0% boost::json::detail::shared_resource_impl<boost::json::storage_ptr_test::throwing>::do_deallocate(void*, unsigned long, unsigned long) :62 0 0.0% – 0.0% boost::json::detail::shared_resource_impl<boost::json::unique_resource>::do_deallocate(void*, unsigned long, unsigned long) :62 22x 100.0% – 100.0% boost::json::detail::shared_resource_impl<boost::json::monotonic_resource>::do_is_equal(boost::container::pmr::memory_resource const&) const :71 0 0.0% – 0.0%
Line TLA Hits Source Code
1 //
2 // Copyright (c) 2019 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/boostorg/json
8 //
9
10 #ifndef BOOST_JSON_DETAIL_SHARED_RESOURCE_HPP
11 #define BOOST_JSON_DETAIL_SHARED_RESOURCE_HPP
12
13 #include <boost/container/pmr/memory_resource.hpp>
14 #include <atomic>
15 #include <utility>
16
17 namespace boost {
18 namespace json {
19 namespace detail {
20
21 #ifdef _MSC_VER
22 #pragma warning(push)
23 #pragma warning(disable: 4275) // non dll-interface class used as base for dll-interface class
24 #endif
25
26 struct BOOST_SYMBOL_VISIBLE
27 shared_resource
28 : container::pmr::memory_resource
29 {
30 BOOST_JSON_DECL
31 shared_resource();
32
33 BOOST_JSON_DECL
34 ~shared_resource();
35
36 std::atomic<std::size_t> refs{ 1 };
37 };
38
39 template<class T>
40 class shared_resource_impl final
41 : public shared_resource
42 {
43 T t;
44
45 public:
46 template<class... Args>
47 21x shared_resource_impl(
48 Args&&... args)
49 21x : t(std::forward<Args>(args)...)
50 {
51 21x }
52
53 void*
54 49x do_allocate(
55 std::size_t n,
56 std::size_t align) override
57 {
58 49x return t.allocate(n, align);
59 }
60
61 void
62 49x do_deallocate(
63 void* p,
64 std::size_t n,
65 std::size_t align) override
66 {
67 49x return t.deallocate(p, n, align);
68 }
69
70 bool
71 12x do_is_equal(
72 memory_resource const&) const noexcept override
73 {
74 // VFALCO Is always false ok?
75 12x return false;
76 }
77 };
78
79 #ifdef _MSC_VER
80 #pragma warning(pop)
81 #endif
82
83 } // detail
84 } // namespace json
85 } // namespace boost
86
87 #endif
88