Function mlock

cpp/src/arrow/io/mman.h:155–161

}

static inline int mlock(const void* addr, size_t len) {
  if (VirtualLock((LPVOID)addr, len)) return 0;

  errno = __map_mman_error(GetLastError(), EPERM);

  return -1;
}

static inline int munlock(const void* addr, size_t len) {
  if (VirtualUnlock((LPVOID)addr, len)) return 0;