Arcane  v3.14.10.0
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MessageTag.h
1// -*- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature -*-
2//-----------------------------------------------------------------------------
3// Copyright 2000-2022 CEA (www.cea.fr) IFPEN (www.ifpenergiesnouvelles.com)
4// See the top-level COPYRIGHT file for details.
5// SPDX-License-Identifier: Apache-2.0
6//-----------------------------------------------------------------------------
7/*---------------------------------------------------------------------------*/
8/* MessageTag.h (C) 2000-2020 */
9/* */
10/* Tag d'un message. */
11/*---------------------------------------------------------------------------*/
12#ifndef ARCCORE_MESSAGEPASSING_MESSAGETAG_H
13#define ARCCORE_MESSAGEPASSING_MESSAGETAG_H
14/*---------------------------------------------------------------------------*/
15/*---------------------------------------------------------------------------*/
16
17#include "arccore/message_passing/MessagePassingGlobal.h"
18
19#include <iosfwd>
20
21/*---------------------------------------------------------------------------*/
22/*---------------------------------------------------------------------------*/
23
24namespace Arccore::MessagePassing
25{
41class ARCCORE_MESSAGEPASSING_EXPORT MessageTag
42{
43 public:
44 MessageTag() : m_tag(A_NULL_TAG_VALUE){}
45 explicit MessageTag(Int32 tag) : m_tag(tag){}
46 friend bool operator==(const MessageTag& a,const MessageTag& b)
47 {
48 return a.m_tag==b.m_tag;
49 }
50 friend bool operator!=(const MessageTag& a,const MessageTag& b)
51 {
52 return a.m_tag!=b.m_tag;
53 }
54 friend bool operator<(const MessageTag& a,const MessageTag& b)
55 {
56 return a.m_tag<b.m_tag;
57 }
58 Int32 value() const { return m_tag; }
59 bool isNull() const { return m_tag==A_NULL_TAG_VALUE; }
60 void print(std::ostream& o) const;
61 friend inline std::ostream&
62 operator<<(std::ostream& o,const MessageTag& tag)
63 {
64 tag.print(o);
65 return o;
66 }
67 public:
69 static constexpr Int32 DEFAULT_TAG_VALUE = 100;
71 static MessageTag defaultTag() { return MessageTag(DEFAULT_TAG_VALUE); }
72 private:
73 Int32 m_tag;
74};
75
76/*---------------------------------------------------------------------------*/
77/*---------------------------------------------------------------------------*/
78
79} // End namespace Arccore::MessagePassing
80
81/*---------------------------------------------------------------------------*/
82/*---------------------------------------------------------------------------*/
83
84#endif
85
MessagePassingGlobal.h
Déclarations générales de la composante 'message_passing'.
Arccore::MessagePassing::MessageTag::defaultTag
static MessageTag defaultTag()
Tag par défaut pour les send/receive sans argument tag.
Definition MessageTag.h:71
Arccore::MessagePassing
Espace de nommage contenant les types et déclarations qui gèrent le mécanisme de parallélisme par éch...
Definition MpiParallelDispatch.cc:331
Arccore::Int32
std::int32_t Int32
Type entier signé sur 32 bits.
Definition ArccoreGlobal.h:184