1 | /** |
---|---|
2 | * Copyright (c) 2017-present, Facebook, Inc. |
3 | * All rights reserved. |
4 | * |
5 | * This source code is licensed under the BSD-style license found in the |
6 | * LICENSE file in the root directory of this source tree. |
7 | */ |
8 | |
9 | #pragma once |
10 | |
11 | #include "gloo/algorithm.h" |
12 | #include "gloo/context.h" |
13 | #include "gloo/transport/unbound_buffer.h" |
14 | |
15 | namespace gloo { |
16 | |
17 | class Barrier : public Algorithm { |
18 | public: |
19 | explicit Barrier(const std::shared_ptr<Context>& context) |
20 | : Algorithm(context) {} |
21 | |
22 | virtual ~Barrier(){}; |
23 | }; |
24 | |
25 | class BarrierOptions { |
26 | public: |
27 | explicit BarrierOptions(const std::shared_ptr<Context>& context); |
28 | |
29 | void setTag(uint32_t tag) { |
30 | this->tag = tag; |
31 | } |
32 | |
33 | void setTimeout(std::chrono::milliseconds timeout) { |
34 | this->timeout = timeout; |
35 | } |
36 | |
37 | protected: |
38 | std::shared_ptr<Context> context; |
39 | std::unique_ptr<transport::UnboundBuffer> buffer; |
40 | |
41 | // Tag for this operation. |
42 | // Must be unique across operations executing in parallel. |
43 | uint32_t tag = 0; |
44 | |
45 | // End-to-end timeout for this operation. |
46 | std::chrono::milliseconds timeout; |
47 | |
48 | friend void barrier(BarrierOptions&); |
49 | }; |
50 | |
51 | void barrier(BarrierOptions& opts); |
52 | |
53 | } // namespace gloo |
54 |