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BUG: argList: use fileHandler to read decomposeParDict. Fixes #1765

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This commit is contained in:
mattijs
2020-07-09 15:11:39 +01:00
parent c06c63f49f
commit b64ada3dde
1 changed files with 17 additions and 6 deletions
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23
src/OpenFOAM/global/argList/argList.C
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@ -29,7 +29,6 @@ License
#include "argList.H"
#include "OSspecific.H"
#include "clock.H"
#include "IFstream.H"
#include "dictionary.H"
#include "IOobject.H"
#include "JobInfo.H"
@ -1252,17 +1251,29 @@ void Foam::argList::parse
// Use values from decomposeParDict, the location was already
// established above.
IFstream decompDictStream(source);
// Disable any parallel comms happening inside the fileHandler
// since we are on master. This can happen e.g. inside
// the masterUncollated/collated handler.
const bool oldParRun = Pstream::parRun();
Pstream::parRun() = false;
if (!decompDictStream.good())
autoPtr<ISstream> decompDictStream
(
fileHandler().NewIFstream(source)
);
if (!decompDictStream.valid() || !decompDictStream->good())
{
FatalError
<< "Cannot read decomposeParDict from "
<< decompDictStream.name()
<< exit(FatalError);
<< source << exit(FatalError);
}
dictionary decompDict(decompDictStream);
dictionary decompDict(*decompDictStream);
// Restore parallel behaviour
Pstream::parRun() = oldParRun;
decompDict.readEntry("numberOfSubdomains", dictNProcs);