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Initial kernel allocator

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This commit is contained in:
Ivan Chikish 2023-07-04 19:19:17 +03:00
parent 0f76e72de1
commit d7a34f0904
25 changed files with 247 additions and 144 deletions
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13
orbis-kernel/include/orbis/utils/Rc.hpp
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@ -6,9 +6,13 @@
#include <utility>
namespace orbis {
template <typename T, typename... Args> T *knew(Args &&...args);
inline namespace utils {
void kfree(void* ptr, std::size_t size);
struct RcBase {
std::atomic<unsigned> references{0};
unsigned _total_size = 0; // Set by knew/kcreate
virtual ~RcBase() = default;
@ -21,7 +25,9 @@ struct RcBase {
// returns true if object was destroyed
bool decRef() {
if (references.fetch_sub(1, std::memory_order::relaxed) == 1) {
delete this;
auto size = _total_size;
this->~RcBase();
orbis::utils::kfree(this, size);
return true;
}
@ -116,9 +122,8 @@ public:
template <WithRc T, typename... ArgsT>
requires(std::is_constructible_v<T, ArgsT...>)
Ref<T> create(ArgsT &&...args) {
auto result = new T(std::forward<ArgsT>(args)...);
return Ref<T>(result);
Ref<T> kcreate(ArgsT &&...args) {
return Ref<T>(knew<T>(std::forward<ArgsT>(args)...));
}
} // namespace utils
} // namespace orbis