Function TCMalloc_SystemAlloc

BeefTools/BeefMem/gperftools/src/system-alloc.cc:482–513

}

void* TCMalloc_SystemAlloc(size_t size, size_t *actual_size,
                           size_t alignment) {
  // Discard requests that overflow
  if (size + alignment < size) return NULL;

  SpinLockHolder lock_holder(&spinlock);

  if (!system_alloc_inited) {
    InitSystemAllocators();
    system_alloc_inited = true;
  }

  // Enforce minimum alignment
  if (alignment < sizeof(MemoryAligner)) alignment = sizeof(MemoryAligner);

  void* result = sys_alloc->Alloc(size, actual_size, alignment);
  if (result != NULL) {
    if (actual_size) {
      CheckAddressBits<kAddressBits>(
          reinterpret_cast<uintptr_t>(result) + *actual_size - 1);
      TCMalloc_SystemTaken += *actual_size;
    } else {
      CheckAddressBits<kAddressBits>(
          reinterpret_cast<uintptr_t>(result) + size - 1);
      TCMalloc_SystemTaken += size;
    }
  }
    
  //printf("Allocated from %08X to %08X\n", result, (void*)((char*)result + (int)*actual_size));
    
  return result;
}

bool TCMalloc_CanRelease()
{