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Diffstat (limited to 'gcc-4.9/gcc/ada/s-spsufi.adb')
-rw-r--r-- | gcc-4.9/gcc/ada/s-spsufi.adb | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/ada/s-spsufi.adb b/gcc-4.9/gcc/ada/s-spsufi.adb new file mode 100644 index 000000000..ef2c935f3 --- /dev/null +++ b/gcc-4.9/gcc/ada/s-spsufi.adb @@ -0,0 +1,76 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT COMPILER COMPONENTS -- +-- -- +-- SYSTEM.STORAGE_POOLS.SUBPOOLS.FINALIZATION -- +-- -- +-- B o d y -- +-- -- +-- Copyright (C) 2011-2012, Free Software Foundation, Inc. -- +-- -- +-- GNAT is free software; you can redistribute it and/or modify it under -- +-- terms of the GNU General Public License as published by the Free Soft- -- +-- ware Foundation; either version 3, or (at your option) any later ver- -- +-- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- +-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- +-- or FITNESS FOR A PARTICULAR PURPOSE. -- +-- -- +-- As a special exception under Section 7 of GPL version 3, you are granted -- +-- additional permissions described in the GCC Runtime Library Exception, -- +-- version 3.1, as published by the Free Software Foundation. -- +-- -- +-- You should have received a copy of the GNU General Public License and -- +-- a copy of the GCC Runtime Library Exception along with this program; -- +-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- +-- <http://www.gnu.org/licenses/>. -- +-- -- +-- GNAT was originally developed by the GNAT team at New York University. -- +-- Extensive contributions were provided by Ada Core Technologies Inc. -- +-- -- +------------------------------------------------------------------------------ + +with Ada.Unchecked_Deallocation; + +with System.Finalization_Masters; use System.Finalization_Masters; + +package body System.Storage_Pools.Subpools.Finalization is + + ----------------------------- + -- Finalize_And_Deallocate -- + ----------------------------- + + procedure Finalize_And_Deallocate (Subpool : in out Subpool_Handle) is + procedure Free is new Ada.Unchecked_Deallocation (SP_Node, SP_Node_Ptr); + + begin + -- Do nothing if the subpool was never created or never used. The latter + -- case may arise with an array of subpool implementations. + + if Subpool = null + or else Subpool.Owner = null + or else Subpool.Node = null + then + return; + end if; + + -- Clean up all controlled objects chained on the subpool's master + + Finalize (Subpool.Master); + + -- Remove the subpool from its owner's list of subpools + + Detach (Subpool.Node); + + -- Destroy the associated doubly linked list node which was created in + -- Set_Pool_Of_Subpools. + + Free (Subpool.Node); + + -- Dispatch to the user-defined implementation of Deallocate_Subpool + + Deallocate_Subpool (Pool_Of_Subpool (Subpool).all, Subpool); + + Subpool := null; + end Finalize_And_Deallocate; + +end System.Storage_Pools.Subpools.Finalization; |