Method IsReadBufferBlockStatus

be/src/runtime/io/disk-file.h:456–462

Helper function to check the status of a read buffer block. Caller should hold the physical_file_lock_. If the caller holds the lock of the read buffer block, IsStatusLocked() will be called.

  // If the caller holds the lock of the read buffer block, IsStatusLocked() will be
  // called.
  bool IsReadBufferBlockStatus(MemBlock* read_buffer_block, MemBlockStatus status,
      const boost::shared_lock<boost::shared_mutex>& file_lock,
      const std::unique_lock<SpinLock>* block_lock = nullptr) {
    DCheckMemBlock(file_lock, read_buffer_block);
    if (block_lock == nullptr) return read_buffer_block->IsStatus(status);
    return read_buffer_block->IsStatusLocked(*block_lock, status);
  }

  // Helper function to delete the read buffer block.
  // Caller should hold the physical_file_lock_, but should not hold the lock of the