From b6cdda8be4547011db9672a2171084135e8a82c4 Mon Sep 17 00:00:00 2001
From: Gordon Sim <gsim@apache.org>
Date: Tue, 12 Apr 2011 15:04:00 +0000
Subject: QPID-3201: locking in NullMessageStore to protect set of prepared
 xids

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk/qpid@1091443 13f79535-47bb-0310-9956-ffa450edef68
---
 cpp/src/qpid/broker/NullMessageStore.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'cpp/src/qpid/broker/NullMessageStore.cpp')

diff --git a/cpp/src/qpid/broker/NullMessageStore.cpp b/cpp/src/qpid/broker/NullMessageStore.cpp
index dc8615d58b..43f600eaf1 100644
--- a/cpp/src/qpid/broker/NullMessageStore.cpp
+++ b/cpp/src/qpid/broker/NullMessageStore.cpp
@@ -126,21 +126,25 @@ std::auto_ptr<TPCTransactionContext> NullMessageStore::begin(const std::string&
 
 void NullMessageStore::prepare(TPCTransactionContext& ctxt)
 {
+    qpid::sys::ScopedLock<qpid::sys::Mutex> l(lock);
     prepared.insert(DummyCtxt::getXid(ctxt));
 }
 
 void NullMessageStore::commit(TransactionContext& ctxt)
 {
+    qpid::sys::ScopedLock<qpid::sys::Mutex> l(lock);
     prepared.erase(DummyCtxt::getXid(ctxt));
 }
 
 void NullMessageStore::abort(TransactionContext& ctxt)
 {
+    qpid::sys::ScopedLock<qpid::sys::Mutex> l(lock);
     prepared.erase(DummyCtxt::getXid(ctxt));
 }
 
 void NullMessageStore::collectPreparedXids(std::set<std::string>& out)
 {
+    qpid::sys::ScopedLock<qpid::sys::Mutex> l(lock);
     out.insert(prepared.begin(), prepared.end());
 }
 
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