From 953dcab5c0c0e42a94fcc6c9cb72a50369645559 Mon Sep 17 00:00:00 2001
From: Florian Uhlig <f.uhlig@gsi.de>
Date: Thu, 11 Feb 2021 17:50:58 +0100
Subject: [PATCH] c2f: Add gFile + gDirectory protection
---
.../nicafemto/format/anatree/CbmAnaTreeSource.cxx | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/analysis/PWGC2F/femtoscopy/nicafemto/format/anatree/CbmAnaTreeSource.cxx b/analysis/PWGC2F/femtoscopy/nicafemto/format/anatree/CbmAnaTreeSource.cxx
index 85b2389088..b4803bbadf 100644
--- a/analysis/PWGC2F/femtoscopy/nicafemto/format/anatree/CbmAnaTreeSource.cxx
+++ b/analysis/PWGC2F/femtoscopy/nicafemto/format/anatree/CbmAnaTreeSource.cxx
@@ -104,6 +104,10 @@ Int_t CbmAnaTreeSource::ReadEvent(UInt_t unsignedInt) {
void CbmAnaTreeSource::Close() {}
void CbmAnaTreeSource::LoadConf(TString name) {
+ /// Save old global file and folder pointer to avoid messing with FairRoot
+ TFile* oldFile = gFile;
+ TDirectory* oldDir = gDirectory;
+
TFile* f = new TFile(name);
// TTree *tree = (TTree*)f->Get("aTree");
AnalysisTree::Configuration* conf =
@@ -155,6 +159,10 @@ void CbmAnaTreeSource::LoadConf(TString name) {
conf->GetBranchConfig("SimEventHeader").GetFieldId("psi_RP");
}
+ /// Restore old global file and folder pointer to avoid messing with FairRoot
+ gFile = oldFile;
+ gDirectory = oldDir;
+
f->Close();
delete f;
}
--
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