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19 lines
842 B
C++

// Copyright 2020 TooYoungTooSimp <lyc@xuming.studio>, All rights reserved.
#include "Utilities.h"
spin_lock MemoryMonitor::lock;
int64_t MemoryMonitor::global_counter = 0;
std::map<MemoryMonitor *, int64_t *> MemoryMonitor::M;
int MemoryMonitor::__crt_alloc_hook(int allocType, void *ptr, size_t size,
int blockType, long requestNumber,
const unsigned char *filename, int lineNumber)
{
if (blockType == _CRT_BLOCK) return TRUE;
if (allocType == _HOOK_ALLOC)
global_counter += size;
if (allocType == _HOOK_REALLOC)
global_counter += size - __get_block_size(ptr);
if (allocType == _HOOK_FREE)
global_counter -= __get_block_size(ptr);
for (auto p : M) *p.second = std::max<int64_t>(*p.second, global_counter);
return TRUE;
}