From 67431ec9f764066e88d7934bc71fa32e8a4ec425 Mon Sep 17 00:00:00 2001
From: Rene Brun <Rene.Brun@cern.ch>
Date: Wed, 7 Nov 2007 07:16:41 +0000
Subject: [PATCH] From Gerri: Fix an important bug introduced in the latest
change by Fabrizio.
git-svn-id: http://root.cern.ch/svn/root/trunk@20692 27541ba8-7e3a-0410-8455-c3a389f83636
---
io/src/TFileCacheRead.cxx | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/io/src/TFileCacheRead.cxx b/io/src/TFileCacheRead.cxx
index f3771f9e7fd..8cca6f7ebbb 100644
--- a/io/src/TFileCacheRead.cxx
+++ b/io/src/TFileCacheRead.cxx
@@ -93,12 +93,13 @@ TFileCacheRead::TFileCacheRead(TFile *file, Int_t buffersize)
fFirstIndexToPrefetch = 0;
fAsyncReading = gEnv->GetValue("TFile.AsyncReading", 1);
if (fAsyncReading) {
- // If asynchronous reading is not supported by this TFile specialization
+ // Check if asynchronous reading is supported by this TFile specialization
+ fAsyncReading = kFALSE;
+ if (file && !(file->ReadBufferAsync(0, 0)))
+ fAsyncReading = kTRUE;
+ } else {
// we use sync primitives, hence we need the local buffer
- if (file && file->ReadBufferAsync(0, 0)) {
- fAsyncReading = kFALSE;
- fBuffer = new char[fBufferSize];
- }
+ fBuffer = new char[fBufferSize];
}
fIsSorted = kFALSE;
--
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