sigQuit.C

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    Copyright (C) 2011-2015 OpenFOAM Foundation
    Copyright (C) 2017-2021 OpenCFD Ltd.
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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 3 of the License, or
    (at your option) any later version.

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    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.

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#include "sigQuit.H"
#include "error.H"
#include "JobInfo.H"
#include "IOstreams.H"

// File-local functions
#include "signalMacros.C"


// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //

bool Foam::sigQuit::sigActive_ = false;


// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //

void Foam::sigQuit::sigHandler(int)
{
    resetHandler("SIGQUIT", SIGQUIT);

    JobInfo::shutdown();        // From running -> finished
    error::printStack(Perr);
    ::raise(SIGQUIT);           // Throw signal (to old handler)
}


// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //

Foam::sigQuit::sigQuit()
{
    set(false);
}


// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //

Foam::sigQuit::~sigQuit()
{
    unset(false);
}


// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //

void Foam::sigQuit::set(bool)
{
    if (sigActive_)
    {
        return;
    }
    sigActive_ = true;

    setHandler("SIGQUIT", SIGQUIT, sigHandler);
}


void Foam::sigQuit::unset(bool)
{
    if (!sigActive_)
    {
        return;
    }
    sigActive_ = false;

    resetHandler("SIGQUIT", SIGQUIT);
}


// ************************************************************************* //