sapling/eden/fs/fuse/DirHandle.h
Chad Austin c22dd7924d mark a bunch of folly::Future<folly::Unit> functions with FOLLY_NODISCARD
Summary:
To avoid bugs similar to the ones fixed in D7781691, mark a bunch of
folly::Future<folly::Unit> functions with FOLLY_NODISCARD.

Reviewed By: simpkins

Differential Revision: D7782224

fbshipit-source-id: 23ba42aa63011cc33e5a6e18d5bc6d00403a78d3
2018-04-26 21:00:25 -07:00

42 lines
1.0 KiB
C++

/*
* Copyright (c) 2016-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
*/
#pragma once
#include "eden/fs/fuse/FileHandleBase.h"
namespace facebook {
namespace eden {
class DirList;
class DirHandle : public FileHandleBase {
public:
/**
* Read directory
*
* Send a DirList filled using DirList::add().
* Send an empty DirList on end of stream.
*/
virtual folly::Future<DirList> readdir(DirList&& list, off_t off) = 0;
/**
* Synchronize directory contents
*
* If the datasync parameter is non-zero, then only the directory
* contents should be flushed, not the meta data.
*
* @param datasync flag indicating if only data should be flushed
*/
FOLLY_NODISCARD virtual folly::Future<folly::Unit> fsyncdir(
bool datasync) = 0;
};
} // namespace eden
} // namespace facebook