Merge bk@192.168.21.1:mysql-5.0-opt

into  mysql.com:/home/hf/work/mrg/mysql-5.0-opt

configure.in

@@ -7,7 +7,7 @@ AC_INIT(sql/mysqld.cc)
 AC_CANONICAL_SYSTEM
 # The Docs Makefile.am parses this line!
 # remember to also change ndb version below and update version.c in ndb
-AM_INIT_AUTOMAKE(mysql, 5.0.38)
+AM_INIT_AUTOMAKE(mysql, 5.0.40)
 AM_CONFIG_HEADER(config.h)
 
 PROTOCOL_VERSION=10
@@ -23,7 +23,7 @@ NDB_SHARED_LIB_VERSION=$NDB_SHARED_LIB_MAJOR_VERSION:0:0
 # ndb version
 NDB_VERSION_MAJOR=5
 NDB_VERSION_MINOR=0
-NDB_VERSION_BUILD=38
+NDB_VERSION_BUILD=40
 NDB_VERSION_STATUS=""
 
 # Set all version vars based on $VERSION. How do we do this more elegant ?

sql/mysqld.cc

@@ -1681,6 +1681,12 @@ void end_thread(THD *thd, bool put_in_cache)
       thd->real_id=pthread_self();
       thd->thread_stack= (char*) &thd;          // For store_globals
       (void) thd->store_globals();
+      /*
+        THD::mysys_var::abort is associated with physical thread rather
+        than with THD object. So we need to reset this flag before using
+        this thread for handling of new THD object/connection.
+      */
+      thd->mysys_var->abort= 0;
       thd->thr_create_time= time(NULL);
       threads.append(thd);
       pthread_mutex_unlock(&LOCK_thread_count);

sql/sp_head.cc

@@ -1087,6 +1087,7 @@ sp_head::execute(THD *thd)
 	ctx->enter_handler(hip);
         thd->clear_error();
 	thd->killed= THD::NOT_KILLED;
+        thd->mysys_var->abort= 0;
 	continue;
       }
     }

sql/sql_parse.cc

@@ -1604,7 +1604,10 @@ bool dispatch_command(enum enum_server_command command, THD *thd,
   DBUG_ENTER("dispatch_command");
 
   if (thd->killed == THD::KILL_QUERY || thd->killed == THD::KILL_BAD_DATA)
+  {
     thd->killed= THD::NOT_KILLED;
+    thd->mysys_var->abort= 0;
+  }
 
   thd->command=command;
   /*