From fa57ce4cd12082e92f4da59c93b2f711f7e36ecd Mon Sep 17 00:00:00 2001
From: Machiavelli <none@none>
Date: Sat, 15 May 2010 14:58:16 +0200
Subject: Reimplement ACE_Based::LockedQueue as SQL holder for the
 SqlTransaction class, since std::queue is not safe when multiple threads are
 reading/writing to it at the same time (SqlDelayThread and a MapUpdate
 Thread). Original patch by thenecromancer, was removed for ungrounded
 reasons. Thanks to Zor for the insight. Please give feedback on how this
 affects mtmaps usage.

--HG--
branch : trunk
---
 src/shared/Database/SqlOperations.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'src/shared/Database/SqlOperations.h')

diff --git a/src/shared/Database/SqlOperations.h b/src/shared/Database/SqlOperations.h
index 0a54af70ffb..dcdada9cb59 100644
--- a/src/shared/Database/SqlOperations.h
+++ b/src/shared/Database/SqlOperations.h
@@ -57,11 +57,12 @@ class SqlStatement : public SqlOperation
 
 class SqlTransaction : public SqlOperation
 {
+        typedef ACE_Based::LockedQueue<const char *, ACE_Thread_Mutex> LockedQueue;
     private:
-        std::queue<const char *> m_queue;
+        LockedQueue m_queue;
     public:
         SqlTransaction() {}
-        void DelayExecute(const char *sql) { m_queue.push(strdup(sql)); }
+        void DelayExecute(const char *sql) { m_queue.add(strdup(sql)); }
         void Execute(Database *db);
 };
 
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