gcc/ada/s-spsufi.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --        S Y S T E M . S T O R A G E _ P O O L S . S U B P O O L S .       --
   6 --                          F I N A L I Z A T I O N                         --
   7 --                                                                          --
   8 --                                 B o d y                                  --
   9 --                                                                          --
  10 --             Copyright (C) 2011, Free Software Foundation, Inc.           --
  11 --                                                                          --
  12 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  13 -- terms of the  GNU General Public License as published  by the Free Soft- --
  14 -- ware  Foundation;  either version 3,  or (at your option) any later ver- --
  15 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  16 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  17 -- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
  18 --                                                                          --
  19 -- As a special exception under Section 7 of GPL version 3, you are granted --
  20 -- additional permissions described in the GCC Runtime Library Exception,   --
  21 -- version 3.1, as published by the Free Software Foundation.               --
  22 --                                                                          --
  23 -- You should have received a copy of the GNU General Public License and    --
  24 -- a copy of the GCC Runtime Library Exception along with this program;     --
  25 -- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
  26 -- <http://www.gnu.org/licenses/>.                                          --
  27 --                                                                          --
  28 -- GNAT was originally developed  by the GNAT team at  New York University. --
  29 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  30 --                                                                          --
  31 ------------------------------------------------------------------------------
  32
  33 package body System.Storage_Pools.Subpools.Finalization is
  34
  35    -----------------------------
  36    -- Finalize_And_Deallocate --
  37    -----------------------------
  38
  39    procedure Finalize_And_Deallocate (Subpool : in out Subpool_Handle) is
  40    begin
  41       --  Do nothing if the subpool was never created or never used. The latter
  42       --  case may arise with an array of subpool implementations.
  43
  44       if Subpool = null
  45         or else Subpool.Owner = null
  46         or else Subpool.Node = null
  47       then
  48          return;
  49       end if;
  50
  51       --  Clean up all controlled objects allocated through the subpool
  52
  53       Finalize_Subpool (Subpool);
  54
  55       --  Dispatch to the user-defined implementation of Deallocate_Subpool
  56
  57       Deallocate_Subpool (Pool_Of_Subpool (Subpool).all, Subpool);
  58
  59       Subpool := null;
  60    end Finalize_And_Deallocate;
  61
  62 end System.Storage_Pools.Subpools.Finalization;