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Add optional auto parsing printout to InitRootHandlers #50632

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Merged
cmsbuild merged 1 commit into from
Apr 7, 2026
Merged

Add optional auto parsing printout to InitRootHandlers #50632

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10 changes: 10 additions & 0 deletions FWCore/Services/plugins/InitRootHandlers.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -785,6 +785,12 @@ namespace edm {
}
});
}
#if ROOT_VERSION_CODE >= ROOT_VERSION(6, 39, 0)
auto const printAutoParsed = pset.getUntrackedParameter<bool>("PrintAutoParsed");
if (printAutoParsed) {
iReg.watchPostEndJob([]() { gInterpreter->Print("autoparsed"); });
}
#endif

if (unloadSigHandler_) {
// Deactivate all the Root signal handlers and restore the system defaults
Expand Down Expand Up @@ -920,6 +926,10 @@ namespace edm {
"missing is disable during module construction. The current implementation of disabling the parsing is "
"fragile, and may work only in a single-thread job that does not use reco::parser::cutParser() or "
"reco::parser::expressionParser() (and it certainly does not work on multiple threads).");
#if ROOT_VERSION_CODE >= ROOT_VERSION(6, 39, 0)
desc.addUntracked<bool>("PrintAutoParsed", false)
->setComment("If True, ask ROOT to print at the end of the job all classes for which headers were parsed");
#endif
desc.addUntracked<bool>("LoadAllDictionaries", false)->setComment("If True, loads all ROOT dictionaries.");
desc.addUntracked<bool>("EnableIMT", true)->setComment("If True, calls ROOT::EnableImplicitMT().");
desc.addUntracked<bool>("AbortOnSignal", true)
Expand Down