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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [ada/] [g-boubuf.adb] - Rev 714
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------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- G N A T . B O U N D E D _ B U F F E R S -- -- -- -- B o d y -- -- -- -- Copyright (C) 2003-2010, AdaCore -- -- -- -- 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 is maintained by Ada Core Technologies Inc (http://www.gnat.com). -- -- -- ------------------------------------------------------------------------------ package body GNAT.Bounded_Buffers is -------------------- -- Bounded_Buffer -- -------------------- protected body Bounded_Buffer is ------------ -- Insert -- ------------ entry Insert (Item : Element) when Count /= Capacity is begin Values (Next_In) := Item; Next_In := (Next_In mod Capacity) + 1; Count := Count + 1; end Insert; ------------ -- Remove -- ------------ entry Remove (Item : out Element) when Count > 0 is begin Item := Values (Next_Out); Next_Out := (Next_Out mod Capacity) + 1; Count := Count - 1; end Remove; ----------- -- Empty -- ----------- function Empty return Boolean is begin return Count = 0; end Empty; ---------- -- Full -- ---------- function Full return Boolean is begin return Count = Capacity; end Full; ------------ -- Extent -- ------------ function Extent return Natural is begin return Count; end Extent; end Bounded_Buffer; end GNAT.Bounded_Buffers;
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