OpenFOAM: API Guide
v2006
The open source CFD toolbox
signalMacros.C
Go to the documentation of this file.
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/*---------------------------------------------------------------------------*\
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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 | www.openfoam.com
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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Copyright (C) 2019 OpenCFD Ltd.
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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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Description
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File-local code for setting/resetting signal handlers.
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SourceFiles
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signalMacros.C
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\*---------------------------------------------------------------------------*/
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#include "
error.H
"
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#include <csignal>
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// * * * * * * * * * * * * * * * Local Functions * * * * * * * * * * * * * * //
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namespace
Foam
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{
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// Saved old signal trapping setting (file-local variable)
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static
__p_sig_fn_t
oldAction_
= SIG_DFL;
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static
void
resetHandler
(
const
char
*what,
int
sigNum)
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{
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const
__p_sig_fn_t prev = ::signal(sigNum,
oldAction_
);
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oldAction_
= SIG_DFL;
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if
(SIG_ERR == prev)
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{
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FatalError
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<<
"Cannot unset "
<< what <<
" signal ("
<< sigNum
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<<
") trapping"
<<
endl
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<<
abort
(
FatalError
);
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}
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}
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static
void
setHandler
(
const
char
*what,
int
sigNum,
void
(*handler)(
int
))
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{
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oldAction_
= ::signal(sigNum, handler);
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if
(SIG_ERR ==
oldAction_
)
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{
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FatalError
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<<
"Could not set "
<< what <<
" signal ("
<< sigNum
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<<
") trapping"
<<
endl
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<<
abort
(
FatalError
);
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}
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}
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}
// End namespace Foam
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// ************************************************************************* //
Foam::resetHandler
static void resetHandler(const char *what, int sigNum)
Definition:
signalMacros.C:46
Foam::oldAction_
static __p_sig_fn_t oldAction_
Definition:
signalMacros.C:43
Foam::endl
Ostream & endl(Ostream &os)
Add newline and flush stream.
Definition:
Ostream.H:350
error.H
Foam::FatalError
error FatalError
Foam
Namespace for OpenFOAM.
Definition:
atmBoundaryLayer.C:33
Foam::abort
errorManip< error > abort(error &err)
Definition:
errorManip.H:137
Foam::setHandler
static void setHandler(const char *what, int sigNum, void(*handler)(int))
Definition:
signalMacros.C:61
src
OSspecific
MSwindows
signals
signalMacros.C
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