Merge naruto.:C:/cpp/bug20789/my50-bug20789

into  naruto.:C:/cpp/mysql-5.0-maint

1 files changed, 12 insertions, 1 deletions

diff --git a/myisammrg/myrg_locking.c b/myisammrg/myrg_locking.c
index e5a8d3f3d9d..98e8305b9ce 100644
--- a/myisammrg/myrg_locking.c
+++ b/myisammrg/myrg_locking.c
@@ -26,8 +26,19 @@ int myrg_lock_database(MYRG_INFO *info, int lock_type)
   MYRG_TABLE *file;
 
   error=0;
-  for (file=info->open_tables ; file != info->end_table ; file++)
+  for (file=info->open_tables ; file != info->end_table ; file++) 
+  {
+#ifdef __WIN__
+    /*
+      Make sure this table is marked as owned by a merge table.
+      The semaphore is never released as long as table remains
+      in memory. This should be refactored into a more generic
+      approach (observer pattern)
+     */
+    (file->table)->owned_by_merge = TRUE;
+#endif
     if ((new_error=mi_lock_database(file->table,lock_type)))
       error=new_error;
+  }
   return(error);
 }