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111 lines
3.0 KiB
C
111 lines
3.0 KiB
C
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 2004-2011 OpenCFD Ltd.
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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\*---------------------------------------------------------------------------*/
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#include "sigInt.H"
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#include "error.H"
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#include "JobInfo.H"
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#include "IOstreams.H"
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// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
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struct sigaction Foam::sigInt::oldAction_;
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// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
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void Foam::sigInt::sigHandler(int)
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{
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// Reset old handling
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if (sigaction(SIGINT, &oldAction_, NULL) < 0)
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{
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FatalErrorIn
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(
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"Foam::sigInt::sigHandler()"
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) << "Cannot reset SIGINT trapping"
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<< abort(FatalError);
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}
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// Update jobInfo file
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jobInfo.signalEnd();
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// Throw signal (to old handler)
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raise(SIGINT);
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}
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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Foam::sigInt::sigInt()
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{
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oldAction_.sa_handler = NULL;
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}
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// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
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Foam::sigInt::~sigInt()
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{
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// Reset old handling
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if (sigaction(SIGINT, &oldAction_, NULL) < 0)
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{
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FatalErrorIn
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(
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"Foam::sigInt::~sigInt()"
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) << "Cannot reset SIGINT trapping"
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<< abort(FatalError);
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}
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}
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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void Foam::sigInt::set(const bool)
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{
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if (oldAction_.sa_handler)
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{
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FatalErrorIn
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(
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"Foam::sigInt::set()"
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) << "Cannot call sigInt::set() more than once"
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<< abort(FatalError);
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}
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struct sigaction newAction;
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newAction.sa_handler = sigHandler;
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newAction.sa_flags = SA_NODEFER;
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sigemptyset(&newAction.sa_mask);
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if (sigaction(SIGINT, &newAction, &oldAction_) < 0)
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{
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FatalErrorIn
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(
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"Foam::sigInt::set()"
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) << "Cannot set SIGINT trapping"
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<< abort(FatalError);
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}
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}
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// ************************************************************************* //
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