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STYLE: library functions using std::string

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This commit is contained in:
Mark Olesen
2019-12-16 15:47:01 +01:00
parent 83e0501a77
commit eaa138443a
3 changed files with 60 additions and 48 deletions
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88
src/OpenFOAM/db/dynamicLibrary/codedBase/codedBase.C
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@ -45,10 +45,11 @@ namespace Foam
}
// * * * * * * * * * * * * * Static Member Functions * * * * * * * * * * * * //
// * * * * * * * * * * * * * * * Local Functions * * * * * * * * * * * * * * //
namespace Foam
{
//! \cond fileScope
static inline void writeEntryIfPresent
(
@ -70,8 +71,11 @@ static inline void writeEntryIfPresent
}
}
//! \endcond
}
} // End namespace Foam
// * * * * * * * * * * * * * Static Member Functions * * * * * * * * * * * * //
void Foam::codedBase::writeCodeDict(Ostream& os, const dictionary& dict)
{
@ -88,111 +92,113 @@ void Foam::codedBase::writeCodeDict(Ostream& os, const dictionary& dict)
void* Foam::codedBase::loadLibrary
(
const fileName& libPath,
const string& globalFuncName,
const std::string& funcName,
const dynamicCodeContext& context
) const
{
// Avoid compilation by loading an existing library
void* lib =
void* handle =
(
!libPath.empty() && libs().open(libPath, false)
? libs().findLibrary(libPath)
: nullptr
);
if (!lib)
if (!handle)
{
return lib;
return handle;
}
// verify the loaded version and unload if needed
// Verify the loaded version and unload if needed
// provision for manual execution of code after loading
if (dlSymFound(lib, globalFuncName))
// Manual execution of code after loading.
// This is mandatory for codedBase.
void* rawSymbol = dlSymFind(handle, funcName);
if (rawSymbol)
{
loaderFunctionType function =
reinterpret_cast<loaderFunctionType>
(
dlSym(lib, globalFuncName)
);
loaderType fun = reinterpret_cast<loaderType>(rawSymbol);
if (function)
if (fun)
{
(*function)(true); // force load
(*fun)(true); // force load
ok = true;
}
else
{
FatalIOErrorInFunction(context.dict())
<< "Failed looking up symbol " << globalFuncName
<< nl << "from " << libPath << exit(FatalIOError);
<< "Failed symbol lookup " << funcName.c_str() << nl
<< "from " << libPath << nl
<< exit(FatalIOError);
}
}
else
{
FatalIOErrorInFunction(context.dict())
<< "Failed looking up symbol " << globalFuncName << nl
<< "from " << libPath << exit(FatalIOError);
<< "Failed symbol lookup " << funcName.c_str() << nl
<< "from " << libPath << nl
<< exit(FatalIOError);
lib = nullptr;
handle = nullptr;
if (!libs().close(libPath, false))
{
FatalIOErrorInFunction(context.dict())
<< "Failed unloading library "
<< libPath
<< "Failed unloading library " << libPath << nl
<< exit(FatalIOError);
}
}
return lib;
return handle;
}
void Foam::codedBase::unloadLibrary
(
const fileName& libPath,
const string& globalFuncName,
const std::string& funcName,
const dynamicCodeContext& context
) const
{
void* lib =
void* handle =
(
!libPath.empty() && libs().open(libPath, false)
? libs().findLibrary(libPath)
: nullptr
);
if (!lib)
if (!handle)
{
return;
}
// provision for manual execution of code before unloading
if (dlSymFound(lib, globalFuncName))
{
loaderFunctionType function =
reinterpret_cast<loaderFunctionType>
(
dlSym(lib, globalFuncName)
);
// Manual execution of code before unloading.
// This is mandatory for codedBase.
if (function)
void* rawSymbol = dlSymFind(handle, funcName);
if (rawSymbol)
{
loaderType fun = reinterpret_cast<loaderType>(rawSymbol);
if (fun)
{
(*function)(false); // force unload
(*fun)(false); // force unload
}
else
{
FatalIOErrorInFunction(context.dict())
<< "Failed looking up symbol " << globalFuncName << nl
<< "from " << libPath << exit(FatalIOError);
<< "Failed symbol lookup " << funcName.c_str() << nl
<< "from " << libPath << nl
<< exit(FatalIOError);
}
}
if (!libs().close(libPath, false))
{
FatalIOErrorInFunction(context.dict())
<< "Failed unloading library " << libPath
<< "Failed unloading library " << libPath << nl
<< exit(FatalIOError);
}
}