Merge mysql.com:/home/hf/work/embt/my41-embt

into  mysql.com:/home/hf/work/embt/my50-embt

libmysqld/examples/test-run

@@ -10,7 +10,7 @@
 top_builddir=../..
 mysql_test_dir=$top_builddir/mysql-test
 examples=$top_builddir/libmysqld/examples
-mysqltest=$examples/mysqltest
+mysqltest=$examples/mysqltest_embedded
 datadir=$mysql_test_dir/var/master-data
 test_data_dir=test
 gdb=0

libmysqld/lib_sql.cc

@@ -584,6 +584,7 @@ void *create_embedded_thd(int client_flag)
   thd->set_time();
   thd->init_for_queries();
   thd->client_capabilities= client_flag;
+  thd->real_id= (pthread_t) thd;
 
   thd->db= NULL;
   thd->db_length= 0;
@@ -1028,6 +1029,9 @@ void Protocol_simple::prepare_for_resend()
   MYSQL_DATA *data= thd->cur_data;
   DBUG_ENTER("send_data");
 
+  if (!thd->mysql)            // bootstrap file handling
+    DBUG_VOID_RETURN;
+
   data->rows++;
   if (!(cur= (MYSQL_ROWS *)alloc_root(alloc, sizeof(MYSQL_ROWS)+(field_count + 1) * sizeof(char *))))
   {

sql/item_func.cc

@@ -3347,7 +3347,11 @@ longlong Item_func_release_lock::val_int()
   }
   else
   {
+#ifdef EMBEDDED_LIBRARY
+    if (ull->locked && pthread_equal(current_thd->real_id,ull->thread))
+#else
     if (ull->locked && pthread_equal(pthread_self(),ull->thread))
+#endif
     {
       result=1;					// Release is ok
       item_user_lock_release(ull);