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see ya later allocator

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IlyaShurupov 2024-03-22 14:05:03 +03:00 • committed by Ilya Shurupov
parent 57d5591d4a
commit fa2d0aaa92
44 changed files with 32 additions and 1693 deletions
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76
Allocators/private/HeapAllocator.cpp
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@ -1,76 +0,0 @@
#include "HeapAllocator.hpp"
#include "HeapAllocatorGlobal.hpp"
#include "PrivateConfig.hpp"
#include <malloc.h>
using namespace tp;
#if not defined(MEM_DEBUG)
// ----------------------- Release Implementation ---------------------------- //
void* HeapAlloc::allocate(ualni aBlockSize) { return malloc(aBlockSize); }
void HeapAlloc::deallocate(void* aPtr) {
if (!aPtr) return;
free(aPtr);
}
HeapAlloc::~HeapAlloc() {}
#else
namespace tp {
struct MemHeadLocal {
MemHeadLocal* mPrev;
MemHeadLocal* mNext;
};
}
void* HeapAlloc::allocate(ualni aBlockSize) {
auto head = (MemHeadLocal*) HeapAllocGlobal::allocate(aBlockSize + sizeof(MemHeadLocal));
auto out = head + 1;
mNumAllocations++;
if (mEntry) {
DEBUG_ASSERT(!mEntry->mNext)
head->mNext = nullptr;
head->mPrev = mEntry;
mEntry->mNext = head;
} else {
head->mNext = nullptr;
head->mPrev = nullptr;
}
mEntry = head;
return out;
}
void HeapAlloc::deallocate(void* aPtr) {
if (!aPtr) return;
auto head = ((MemHeadLocal*) (aPtr)) - 1;
mNumAllocations--;
DEBUG_ASSERT(!mEntry->mNext)
if (head->mNext) head->mNext->mPrev = head->mPrev;
if (head->mPrev) head->mPrev->mNext = head->mNext;
if (head == mEntry) {
mEntry = head->mPrev;
}
HeapAllocGlobal::deallocate(head);
}
HeapAlloc::~HeapAlloc() {
if (mNumAllocations) {
DEBUG_ASSERT(0 && "Destruction of not freed Allocator")
#ifdef MEM_STACK_TRACE
// TODO : log leaks and free them up
#endif
}
}
#endif