Function PosixError

src/leveldb/util/env_posix.cc:60–66

constexpr const size_t kWritableFileBufferSize = 65536;

Status PosixError(const std::string& context, int error_number) {
  if (error_number == ENOENT) {
    return Status::NotFound(context, std::strerror(error_number));
  } else {
    return Status::IOError(context, std::strerror(error_number));
  }
}

// Helper class to limit resource usage to avoid exhaustion.
// Currently used to limit read-only file descriptors and mmap file usage