1------------------------------------------------------------------------------ 2-- -- 3-- GNAT RUN-TIME COMPONENTS -- 4-- -- 5-- A D A . T A S K _ I D E N T I F I C A T I O N -- 6-- -- 7-- S p e c -- 8-- -- 9-- Copyright (C) 1992-2018, 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-- GNAT was originally developed by the GNAT team at New York University. -- 32-- Extensive contributions were provided by Ada Core Technologies Inc. -- 33-- -- 34------------------------------------------------------------------------------ 35 36with System; 37with System.Tasking; 38 39package Ada.Task_Identification with 40 SPARK_Mode, 41 Abstract_State => (Tasking_State with Synchronous, 42 External => (Async_Readers, 43 Async_Writers)), 44 Initializes => Tasking_State 45is 46 pragma Preelaborate; 47 -- In accordance with Ada 2005 AI-362 48 49 type Task_Id is private; 50 pragma Preelaborable_Initialization (Task_Id); 51 52 Null_Task_Id : constant Task_Id; 53 54 function "=" (Left, Right : Task_Id) return Boolean with 55 Global => null; 56 pragma Inline ("="); 57 58 function Image (T : Task_Id) return String with 59 Global => null; 60 61 function Current_Task return Task_Id with 62 Volatile_Function, 63 Global => Tasking_State; 64 pragma Inline (Current_Task); 65 66 function Environment_Task return Task_Id with 67 SPARK_Mode => Off, 68 Global => null; 69 pragma Inline (Environment_Task); 70 71 procedure Abort_Task (T : Task_Id) with 72 Global => null; 73 pragma Inline (Abort_Task); 74 -- Note: parameter is mode IN, not IN OUT, per AI-00101 75 76 function Is_Terminated (T : Task_Id) return Boolean with 77 Volatile_Function, 78 Global => Tasking_State; 79 pragma Inline (Is_Terminated); 80 81 function Is_Callable (T : Task_Id) return Boolean with 82 Volatile_Function, 83 Global => Tasking_State; 84 pragma Inline (Is_Callable); 85 86 function Activation_Is_Complete (T : Task_Id) return Boolean with 87 Volatile_Function, 88 Global => Tasking_State; 89 90private 91 pragma SPARK_Mode (Off); 92 93 type Task_Id is new System.Tasking.Task_Id; 94 95 Null_Task_Id : constant Task_Id := null; 96 97end Ada.Task_Identification; 98