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61 řádky
1.6 KiB
61 řádky
1.6 KiB
#pragma once
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#include "gp/utils/allocators/allocator.hpp"
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#include "gp/ipc/bottleneck.hpp"
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namespace gp {
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/**
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* @brief A front to make allocators thread safe
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*/
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class bottleneck_allocator_front : public allocator {
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allocator& backend;
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fast_bottleneck lock;
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public:
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bottleneck_allocator_front(allocator& _backend)
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: backend(_backend)
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, lock()
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{}
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/**
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* @brief Allocates memory, THREAD SAFE
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*
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* @param sz the amount of bytes to allocate
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*
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* @return the allocated memory as a pointer on success
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* @return nullptr if it failed allocating
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*/
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virtual void* allocate(size_t sz) {
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auto guard = lock_guard(lock);
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return backend.allocate(sz);
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}
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/**
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* @brief Deallocates memory, THREAD SAFE
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*
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* @param ptr the memory to deallocate
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*
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* @return true if the memory was successfully deallocated
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* @return false if the memory was not deallocated
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*/
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virtual bool deallocate(void* ptr) {
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auto guard = lock_guard(lock);
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return backend.deallocate(ptr);
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}
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/**
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* @brief Tries to reallocate memory, THREAD SAFE
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*
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* @param ptr The memory to reallocate
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* @param sz The new size we want to give the memory
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*
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* @return true if reallocation was successful
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* @return false if the reallocation failed
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*/
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virtual bool try_reallocate(void* ptr, size_t sz) {
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auto guard = lock_guard(lock);
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return backend.try_reallocate(ptr, sz);
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}
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virtual ~bottleneck_allocator_front() = default;
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};
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}
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