| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT RUN-TIME COMPONENTS -- |
| -- -- |
| -- A D A . T A S K _ I D E N T I F I C A T I O N -- |
| -- -- |
| -- S p e c -- |
| -- -- |
| -- Copyright (C) 1992-2022, Free Software Foundation, Inc. -- |
| -- -- |
| -- This specification is derived from the Ada Reference Manual for use with -- |
| -- GNAT. The copyright notice above, and the license provisions that follow -- |
| -- apply solely to the contents of the part following the private keyword. -- |
| -- -- |
| -- 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. -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| -- Preconditions in this unit are meant for analysis only, not for run-time |
| -- checking, so that the expected exceptions are raised. |
| -- This is enforced by setting the corresponding assertion policy to Ignore. |
| |
| pragma Assertion_Policy (Pre => Ignore); |
| |
| with System; |
| with System.Tasking; |
| |
| package Ada.Task_Identification with |
| SPARK_Mode, |
| Abstract_State => (Tasking_State with Synchronous), |
| Initializes => Tasking_State |
| is |
| pragma Preelaborate; |
| -- In accordance with Ada 2005 AI-362 |
| |
| type Task_Id is private; |
| pragma Preelaborable_Initialization (Task_Id); |
| |
| Null_Task_Id : constant Task_Id; |
| |
| function "=" (Left, Right : Task_Id) return Boolean with |
| Global => null; |
| pragma Inline ("="); |
| |
| function Image (T : Task_Id) return String with |
| Global => null; |
| |
| function Current_Task return Task_Id with |
| Volatile_Function, |
| Global => Tasking_State; |
| pragma Inline (Current_Task); |
| |
| function Environment_Task return Task_Id with |
| SPARK_Mode => Off, |
| Global => null; |
| pragma Inline (Environment_Task); |
| |
| procedure Abort_Task (T : Task_Id) with |
| Pre => T /= Null_Task_Id, |
| Global => null; |
| pragma Inline (Abort_Task); |
| -- Note: parameter is mode IN, not IN OUT, per AI-00101 |
| |
| function Is_Terminated (T : Task_Id) return Boolean with |
| Volatile_Function, |
| Pre => T /= Null_Task_Id, |
| Global => Tasking_State; |
| pragma Inline (Is_Terminated); |
| |
| function Is_Callable (T : Task_Id) return Boolean with |
| Volatile_Function, |
| Pre => T /= Null_Task_Id, |
| Global => Tasking_State; |
| pragma Inline (Is_Callable); |
| |
| function Activation_Is_Complete (T : Task_Id) return Boolean with |
| Volatile_Function, |
| Pre => T /= Null_Task_Id, |
| Global => Tasking_State; |
| pragma Inline (Activation_Is_Complete); |
| |
| private |
| pragma SPARK_Mode (Off); |
| |
| type Task_Id is new System.Tasking.Task_Id; |
| |
| Null_Task_Id : constant Task_Id := null; |
| |
| end Ada.Task_Identification; |
