*mapping = statbuf.st_size;
*baseAddress = mmap(nullptr, statbuf.st_size, PROT_READ, MAP_SHARED, fd, 0);
madvise(*baseAddress, statbuf.st_size, MADV_RANDOM);
::close(fd);
*mapping = statbuf.st_size;
*baseAddress = mmap(nullptr, statbuf.st_size, PROT_READ, MAP_SHARED, fd, 0);
madvise(*baseAddress, statbuf.st_size, MADV_RANDOM);
::close(fd);