mirror of
https://develop.openfoam.com/Development/openfoam.git
synced 2025-11-28 03:28:01 +00:00
78 lines
2.3 KiB
C
78 lines
2.3 KiB
C
/*---------------------------------------------------------------------------*\
|
|
========= |
|
|
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
|
\\ / O peration |
|
|
\\ / A nd | Copyright (C) 2019 OpenCFD Ltd.
|
|
\\/ M anipulation |
|
|
-------------------------------------------------------------------------------
|
|
| Copyright (C) 2011 Symscape
|
|
-------------------------------------------------------------------------------
|
|
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/>.
|
|
|
|
Description
|
|
File-local code for setting/resetting signal handlers.
|
|
|
|
SourceFiles
|
|
signalMacros.C
|
|
|
|
\*---------------------------------------------------------------------------*/
|
|
|
|
#include "error.H"
|
|
#include <csignal>
|
|
|
|
// * * * * * * * * * * * * * * * Local Functions * * * * * * * * * * * * * * //
|
|
|
|
namespace Foam
|
|
{
|
|
|
|
// Saved old signal trapping setting (file-local variable)
|
|
static __p_sig_fn_t oldAction_ = SIG_DFL;
|
|
|
|
|
|
static void resetHandler(const char *what, int sigNum)
|
|
{
|
|
const __p_sig_fn_t prev = ::signal(sigNum, oldAction_);
|
|
oldAction_ = SIG_DFL;
|
|
|
|
if (SIG_ERR == prev)
|
|
{
|
|
FatalError
|
|
<< "Cannot unset " << what << " signal (" << sigNum
|
|
<< ") trapping" << endl
|
|
<< abort(FatalError);
|
|
}
|
|
}
|
|
|
|
|
|
static void setHandler(const char *what, int sigNum, void (*handler)(int))
|
|
{
|
|
oldAction_ = ::signal(sigNum, handler);
|
|
|
|
if (SIG_ERR == oldAction_)
|
|
{
|
|
FatalError
|
|
<< "Could not set " << what << " signal (" << sigNum
|
|
<< ") trapping" << endl
|
|
<< abort(FatalError);
|
|
}
|
|
}
|
|
|
|
} // End namespace Foam
|
|
|
|
|
|
// ************************************************************************* //
|