PstreamGlobals.H
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5  \\ / A nd | Copyright (C) 2013-2018 OpenFOAM Foundation
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9  This file is part of OpenFOAM.
10 
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14  (at your option) any later version.
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20 
21  You should have received a copy of the GNU General Public License
22  along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
23 
24 Namespace
25  Foam::PstreamGlobals
26 
27 Description
28  Global functions and variables for working with parallel streams,
29  but principally for mpi
30 
31 SourceFiles
32  PstreamGlobals.C
33 
34 \*---------------------------------------------------------------------------*/
35 
36 #ifndef PstreamGlobals_H
37 #define PstreamGlobals_H
38 
39 #include "DynamicList.H"
40 
41 #include <mpi.h>
42 
43 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
44 
45 namespace Foam
46 {
47 
48 /*---------------------------------------------------------------------------*\
49  Class PstreamGlobals Declaration
50 \*---------------------------------------------------------------------------*/
51 
52 namespace PstreamGlobals
53 {
54  extern MPI_Comm MPI_COMM_FOAM;
55 
56  extern DynamicList<MPI_Request> outstandingRequests_;
57 
58  extern int nTags_;
59 
60  extern DynamicList<int> freedTags_;
61 
62  // Current communicators. First element will be MPI_COMM_FOAM
63  extern DynamicList<MPI_Comm> MPICommunicators_;
64 
65  extern DynamicList<MPI_Group> MPIGroups_;
66 
67  void checkCommunicator(const label, const label procNo);
68 };
69 
70 
71 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
72 
73 } // End namespace Foam
74 
75 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
76 
77 #endif
78 
79 // ************************************************************************* //
DynamicList< int > freedTags_
intWM_LABEL_SIZE_t label
A label is an int32_t or int64_t as specified by the pre-processor macro WM_LABEL_SIZE.
Definition: label.H:59
DynamicList< MPI_Request > outstandingRequests_
DynamicList< MPI_Group > MPIGroups_
DynamicList< MPI_Comm > MPICommunicators_
void checkCommunicator(const label, const label procNo)
Namespace for OpenFOAM.