openfoam/applications/utilities/preProcessing/FoamX/C++/FoamXLib/ProcessControl.H
2008-04-15 18:56:58 +01:00

178 lines
4.8 KiB
C++

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 1991-2007 OpenCFD Ltd.
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM 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 2 of the License, or (at your
option) any later version.
OpenFOAM 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 OpenFOAM; if not, write to the Free Software Foundation,
Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Class
Foam::ProcessControl
Description
SourceFiles
ProcessControl.C
\*---------------------------------------------------------------------------*/
#ifndef ProcessControl_H
#define ProcessControl_H
#include "label.H"
#include "stringList.H"
#include "word.H"
#include "fileName.H"
#include <sys/types.h>
#include <signal.h>
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace FoamX
{
/*---------------------------------------------------------------------------*\
Class ProcessControl Declaration
\*---------------------------------------------------------------------------*/
class ProcessControl
{
// Private data
Foam::fileName remoteShell_;
Foam::fileName remoteCp_;
Foam::label timeOut_;
// Private Member Functions
//- Disallow default bitwise copy construct
ProcessControl(const ProcessControl&);
//- Disallow default bitwise assignment
void operator=(const ProcessControl&);
//- Read the entries from the given dictionary if they are present
void readEntries(const Foam::dictionary& procDict);
static void sigAlarm(const int);
public:
// Public data types
//- error value for time outs
static const int TIMEDOUT = -2;
class sigAlarmException
{};
// Constructors
//- Construct from configuration file
ProcessControl
(
const Foam::fileName& fxSystemConfigFileName
);
// Member Functions
// Access
const Foam::fileName& remoteShell() const
{
return remoteShell_;
}
const Foam::fileName& remoteCp() const
{
return remoteCp_;
}
Foam::label timeOut() const
{
return timeOut_;
}
Foam::stringList remoteShellArgs
(
const Foam::string& userName,
const Foam::string& hostName,
const Foam::stringList& arguments,
const Foam::string& logName,
const bool backGround
) const;
Foam::stringList remoteCpArgs
(
const Foam::string& userName,
const Foam::string& hostName,
const Foam::fileName& src,
const Foam::fileName& dest
) const;
//- Concaternate arList into a single string
static Foam::string commandString(const Foam::stringList& argList);
//- Fork command
static pid_t fork
(
const Foam::stringList& argList,
const Foam::fileName& logFile
);
//- Waitpid command
static pid_t waitpid(pid_t pid);
//- Run command using system
static int system
(
const Foam::stringList& argList,
const int timeOut=0
);
//- Kill job with given pid
static int kill(pid_t pid, int sig=SIGINT);
//- Kill job on given machine with given pid
int kill(const Foam::word& host, pid_t pid, int sig=SIGINT) const;
//- Suspend job on given machine with given pid
int suspend(const Foam::word& host, pid_t pid) const;
//- Continue job on given machine with given pid
int cont(const Foam::word& host, pid_t pid) const;
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace FoamX
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //