From 83a326f28c1938d72583e62c6eda7c18d8a87b61 Mon Sep 17 00:00:00 2001
From: unknown <lars@mysql.com>
Date: Fri, 31 Mar 2006 11:48:08 +0200
Subject: BUG#18116: Changed of how mutex is handled for XA and rotating binlog

sql/log.cc:
  thread_safe_increment is done as an atomic operation on some platforms
  and that does not respect the lock
---
 sql/log.cc | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'sql')

diff --git a/sql/log.cc b/sql/log.cc
index 85e8c4dae2f..ba02c9ba082 100644
--- a/sql/log.cc
+++ b/sql/log.cc
@@ -1882,7 +1882,11 @@ DBUG_skip_commit:
       rotate binlog, if necessary.
     */
     if (commit_event->get_type_code() == XID_EVENT)
-      thread_safe_increment(prepared_xids, &LOCK_prep_xids);
+    {
+      pthread_mutex_lock(&LOCK_prep_xids);
+      prepared_xids++;
+      pthread_mutex_unlock(&LOCK_prep_xids);
+    }
     else
       rotate_and_purge(RP_LOCK_LOG_IS_ALREADY_LOCKED);
   }
-- 
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