openfoam/src/OSspecific/POSIX/signals/sigSegv.C
2019-10-31 14:48:44 +00:00

98 lines
2.5 KiB
C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | www.openfoam.com
\\/ M anipulation |
-------------------------------------------------------------------------------
Copyright (C) 2011-2015 OpenFOAM Foundation
Copyright (C) 2018-2019 OpenCFD Ltd.
-------------------------------------------------------------------------------
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.
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, see <http://www.gnu.org/licenses/>.
\*---------------------------------------------------------------------------*/
#include "sigSegv.H"
#include "error.H"
#include "JobInfo.H"
#include "IOstreams.H"
// File-local functions
#include "signalMacros.C"
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
bool Foam::sigSegv::sigActive_ = false;
// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
void Foam::sigSegv::sigHandler(int)
{
resetHandler("SIGSEGV", SIGSEGV);
jobInfo.signalEnd(); // Update jobInfo file
error::printStack(Perr);
::raise(SIGSEGV); // Throw signal (to old handler)
}
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
Foam::sigSegv::sigSegv()
{
set(false);
}
// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
Foam::sigSegv::~sigSegv()
{
unset(false);
}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
void Foam::sigSegv::set(bool)
{
if (sigActive_)
{
return;
}
sigActive_ = true;
setHandler("SIGSEGV", SIGSEGV, sigHandler);
}
void Foam::sigSegv::unset(bool)
{
if (!sigActive_)
{
return;
}
sigActive_ = false;
resetHandler("SIGSEGV", SIGSEGV);
}
// ************************************************************************* //