Merge tsmith@bk-internal.mysql.com:/home/bk/mysql-5.0-maint

into  quadxeon.mysql.com:/benchmarks/ext3/TOSAVE/tsmith/bk/maint/50

innobase/dict/dict0dict.c

@@ -628,7 +628,8 @@ dict_table_get_on_id(
 		CREATE, for example, we already have the mutex! */
 
 #ifdef UNIV_SYNC_DEBUG
-		ut_ad(mutex_own(&(dict_sys->mutex)));
+		ut_ad(mutex_own(&(dict_sys->mutex))
+		      || trx->dict_operation_lock_mode == RW_X_LATCH);
 #endif /* UNIV_SYNC_DEBUG */
 
 		return(dict_table_get_on_id_low(table_id, trx));

innobase/os/os0file.c

@@ -922,7 +922,7 @@ try_again:
 	file = CreateFile((LPCTSTR) name,
 			  access,
 			  FILE_SHARE_READ | FILE_SHARE_WRITE,
-					/* file can be read ansd written also
+			  /* file can be read and written also
 			  by other processes */
 			  NULL,	/* default security attributes */
 			  create_flag,
@@ -1494,7 +1494,7 @@ os_file_rename(
 		return(TRUE);
 	}
 
-	os_file_handle_error(oldpath, "rename");
+	os_file_handle_error_no_exit(oldpath, "rename");
 
 	return(FALSE);
 #else
@@ -1503,7 +1503,7 @@ os_file_rename(
 	ret = rename((const char*)oldpath, (const char*)newpath);
 
 	if (ret != 0) {
-		os_file_handle_error(oldpath, "rename");
+		os_file_handle_error_no_exit(oldpath, "rename");
 
 		return(FALSE);
 	}

innobase/row/row0undo.c

@@ -212,7 +212,7 @@ row_undo(
 	ulint	err;
 	trx_t*	trx;
 	dulint	roll_ptr;
-	ibool	froze_data_dict	= FALSE;
+	ibool	locked_data_dict;
 	
 	ut_ad(node && thr);
 	
@@ -265,13 +265,13 @@ row_undo(
 	/* Prevent DROP TABLE etc. while we are rolling back this row.
 	If we are doing a TABLE CREATE or some other dictionary operation,
 	then we already have dict_operation_lock locked in x-mode. Do not
-        try to lock again in s-mode, because that would cause a hang. */
+	try to lock again, because that would cause a hang. */
 
-	if (trx->dict_operation_lock_mode == 0) {
+	locked_data_dict = (trx->dict_operation_lock_mode == 0);
 
-	        row_mysql_freeze_data_dictionary(trx);
+	if (locked_data_dict) {
 
-	        froze_data_dict = TRUE;
+		row_mysql_lock_data_dictionary(trx);
 	}
 
 	if (node->state == UNDO_NODE_INSERT) {
@@ -284,9 +284,9 @@ row_undo(
 		err = row_undo_mod(node, thr);
 	}
 
-	if (froze_data_dict) {
+	if (locked_data_dict) {
 
-	        row_mysql_unfreeze_data_dictionary(trx);
+		row_mysql_unlock_data_dictionary(trx);
 	}
 
 	/* Do some cleanup */