thread/mtcore_thread/alloc.hpp

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/*
 
Copyright 2025 Matthew Tolman
 
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
 
   http://www.apache.org/licenses/LICENSE-2.0
 
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
 
*/
 
#pragma once
 
#ifndef MTCORE_THREAD_ALLOC_HPP
#define MTCORE_THREAD_ALLOC_HPP
 
#include "mtcore_thread/core.hpp"
#include "mtcore/alloc.hpp"
#include <mutex>

namespace mtcore::thread {
  struct DynamicArenaAllocator {
    ThreadLocalDynamicArenaAllocator underlying;
    std::mutex lock = {};

    Allocator allocator() noexcept;
  };

  DynamicArenaAllocator dynamic_arena(Allocator *root, size_t elementSizeHint, size_t elementCountHint) noexcept;

  struct FixedArenaAllocator {
    ThreadLocalFixedArenaAllocator underlying;
    std::mutex lock = {};

    Allocator allocator() noexcept;
  };

  FixedArenaAllocator fixed_arena(Slice<u8> bytes) noexcept;

  struct FixedBufferAllocator {
    ThreadLocalFixedBufferAllocator underlying;
    std::mutex lock = {};

    Allocator allocator() noexcept;
  };

  FixedBufferAllocator fixed_buff(Slice<u8> bytes) noexcept;

  struct DebugAllocator {
    ThreadLocalDebugAllocator underlying;
    std::mutex lock = {};

    Allocator allocator() noexcept;
  };

  DebugAllocator debug_alloc() noexcept;
}  // namespace mtcore::thread
 
#endif  // MTCORE_THREAD_ALLOC_HPP