gcc/ada/a-csquin.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT LIBRARY COMPONENTS                          --
   4 --                                                                          --
   5 --               ADA.CONTAINERS.SYNCHRONIZED_QUEUE_INTERFACES               --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --            Copyright (C) 2011, Free Software Foundation, Inc.            --
  10 --                                                                          --
  11 -- This specification is derived from the Ada Reference Manual for use with --
  12 -- GNAT. The copyright notice above, and the license provisions that follow --
  13 -- apply solely to the  contents of the part following the private keyword. --
  14 --                                                                          --
  15 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  16 -- terms of the  GNU General Public License as published  by the Free Soft- --
  17 -- ware  Foundation;  either version 3,  or (at your option) any later ver- --
  18 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  19 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  20 -- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
  21 --                                                                          --
  22 -- As a special exception under Section 7 of GPL version 3, you are granted --
  23 -- additional permissions described in the GCC Runtime Library Exception,   --
  24 -- version 3.1, as published by the Free Software Foundation.               --
  25 --                                                                          --
  26 -- You should have received a copy of the GNU General Public License and    --
  27 -- a copy of the GCC Runtime Library Exception along with this program;     --
  28 -- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
  29 -- <http://www.gnu.org/licenses/>.                                          --
  30 --                                                                          --
  31 -- This unit was originally developed by Matthew J Heaney.                  --
  32 ------------------------------------------------------------------------------
  33
  34 generic
  35    type Element_Type is private;
  36
  37 package Ada.Containers.Synchronized_Queue_Interfaces is
  38    pragma Pure;
  39
  40    type Queue is synchronized interface;
  41
  42    procedure Enqueue
  43      (Container : in out Queue;
  44       New_Item  : Element_Type) is abstract;
  45
  46    --  ???
  47    --  This is the official Ada 2012 syntax:
  48    --  with Synchronization => By_Entry;
  49
  50    --  This is the temporary work-around:
  51    pragma Implemented (Enqueue, By_Entry);
  52
  53    procedure Dequeue
  54      (Container : in out Queue;
  55       Element   : out Element_Type) is abstract;
  56
  57    --  ???
  58    --  This is the official Ada 2012 syntax:
  59    --  with Synchronization => By_Entry;
  60
  61    --  This is the temporary work-around:
  62    pragma Implemented (Dequeue, By_Entry);
  63
  64    function Current_Use (Container : Queue) return Count_Type is abstract;
  65
  66    function Peak_Use (Container : Queue) return Count_Type is abstract;
  67
  68 end Ada.Containers.Synchronized_Queue_Interfaces;