/usr/include/freefoam/OpenFOAM/PstreamImpl.H is in libfreefoam-dev 0.1.0+dfsg-1build1.
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FreeFOAM: The Cross-Platform CFD Toolkit
Copyright (C) 2008-2012 Michael Wild <themiwi@users.sf.net>
Gerber van der Graaf <gerber_graaf@users.sf.net>
--------------------------------------------------------------------------------
License
This file is part of FreeFOAM.
FreeFOAM is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation, either version 3 of the License, or (at your
option) any later version.
FreeFOAM is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with FreeFOAM. If not, see <http://www.gnu.org/licenses/>.
Class
Foam::PstreamImpl
Description
Abstract base class for Pstream operations that depend on the parallel
library used. Foam::PstreamImpl::New will lookup the entry
"PstreamImplementation" in the global controlDict file (i.e. the one
found by Foam::dotFoam) and tries to first load a library named
lib\<PstreamImplementation\>Pstream.so, and then instantiate the class
\<PstreamImplementation\>PstreamImpl.
SourceFiles
PstreamImplI.H
PstreamImpl.C
\*----------------------------------------------------------------------------*/
#ifndef PstreamImpl_H
#define PstreamImpl_H
#include <OpenFOAM/autoPtr.H>
#include <OpenFOAM/typeInfo.H>
#include <OpenFOAM/runTimeSelectionTables.H>
#include <OpenFOAM/ops.H>
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
namespace helper_
{
//- Helper class
struct PstreamBase
{
//- Types of communications
enum commsTypes
{
blocking,
scheduled,
nonBlocking
};
};
} // namespace helper_
/*---------------------------------------------------------------------------*\
Class PstreamImpl Declaration
\*---------------------------------------------------------------------------*/
class PstreamImpl
: public helper_::PstreamBase
{
// Private data
//- The singleton instance
static autoPtr<PstreamImpl> instance_;
// Private Member Functions
//- Disallow default bitwise copy construct
PstreamImpl(const PstreamImpl&);
//- Disallow default bitwise assignment
void operator=(const PstreamImpl&);
protected:
// Protected Member Functions
//- Set data for parallel running
static void setParRun(bool& isParallel);
//- Initialize all communication schedules. Callback from
// PstreamImpl::init()
static void initCommunicationSchedule();
public:
//- Types of communications
using helper_::PstreamBase::commsTypes;
// Declare name of the class and its debug switch
TypeName("PstreamImpl");
// Declare run-time constructor selection table
declareRunTimeSelectionTable
(
autoPtr,
PstreamImpl,
dictionary,
(),
()
);
// Constructors
//- Construct null
PstreamImpl(){}
// Destructor
virtual ~PstreamImpl() {}
// Selectors
//- Return a reference to the selected PstreamImpl implementation
static autoPtr<PstreamImpl> New();
// Member Functions
//- Add the valid option this type of communications library
// adds/requires on the command line
virtual void addValidParOptions(HashTable<string>& validParOptions) = 0;
//- Initialisation function called from main
// Spawns slave processes and initialises inter-communication
virtual bool init(int& argc, char**& argv, int& myProcNo, List<int>& procIDs, bool& isParallel) = 0;
//- Exit program
virtual void exit(int errnum) = 0;
//- Abort program
virtual void abort() = 0;
//- Reduce implementation for scalars (@sa PstreamReduceOps.H)
virtual void reduce(scalar& Value, const sumOp<scalar>& bop) = 0;
//- Loads the Pstream implementation library
static void loadPstreamLibrary();
//- Loads the given type from the Pstream implementation library
template<class T, class CTable>
static autoPtr<T> loadPstreamInstance
(
const word& dictEntry,
const word& envName,
CTable* ctable
);
// Friends
friend class Pstream;
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#include <OpenFOAM/PstreamImplI.H>
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************ vim: set sw=4 sts=4 et: ************************ //
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