sigInt.C

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    Copyright (C) 2018-2021 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.

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

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


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

bool Foam::sigInt::sigActive_ = false;


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

void Foam::sigInt::sigHandler(int)
{
    resetHandler("SIGINT", SIGINT);

    JobInfo::shutdown();        // From running -> finished
    ::raise(SIGINT);            // Throw signal (to old handler)
}


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

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


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

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


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

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

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


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

    resetHandler("SIGINT", SIGINT);
}


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