+++ /dev/null
-------------------------------------------------------------------------------
--- --
--- GNAT RUNTIME COMPONENTS --
--- --
--- G N A T . T H R E A D S --
--- --
--- B o d y --
--- --
--- $Revision: 1.1 $
--- --
--- Copyright (C) 1998-2000 Ada Core Technologies, Inc. --
--- --
--- 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 2, 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. See the GNU General Public License --
--- for more details. You should have received a copy of the GNU General --
--- Public License distributed with GNAT; see file COPYING. If not, write --
--- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
--- MA 02111-1307, USA. --
--- --
--- As a special exception, if other files instantiate generics from this --
--- unit, or you link this unit with other files to produce an executable, --
--- this unit does not by itself cause the resulting executable to be --
--- covered by the GNU General Public License. This exception does not --
--- however invalidate any other reasons why the executable file might be --
--- covered by the GNU Public License. --
--- --
--- GNAT is maintained by Ada Core Technologies Inc (http://www.gnat.com). --
--- --
-------------------------------------------------------------------------------
-
-with Ada.Task_Identification; use Ada.Task_Identification;
-with System.Task_Primitives.Operations;
-with System.Tasking;
-with System.OS_Interface;
-with Unchecked_Conversion;
-
-package body GNAT.Threads is
-
- use System;
-
- function To_Addr is new Unchecked_Conversion (Task_Id, Address);
- function To_Id is new Unchecked_Conversion (Address, Task_Id);
- function To_Id is new Unchecked_Conversion (Address, Tasking.Task_ID);
-
- type Code_Proc is access procedure (Id : Address; Parm : Void_Ptr);
-
- task type Thread
- (Stsz : Natural;
- Prio : Any_Priority;
- Parm : Void_Ptr;
- Code : Code_Proc)
- is
- pragma Priority (Prio);
- pragma Storage_Size (Stsz);
- end Thread;
-
- task body Thread is
- begin
- Code.all (To_Addr (Current_Task), Parm);
- end Thread;
-
- type Tptr is access Thread;
-
- -------------------
- -- Create_Thread --
- -------------------
-
- function Create_Thread
- (Code : Address;
- Parm : Void_Ptr;
- Size : Natural;
- Prio : Integer) return System.Address
- is
- TP : Tptr;
-
- function To_CP is new Unchecked_Conversion (Address, Code_Proc);
-
- begin
- TP := new Thread (Size, Prio, Parm, To_CP (Code));
- return To_Addr (TP'Identity);
- end Create_Thread;
-
- --------------------
- -- Destroy_Thread --
- --------------------
-
- procedure Destroy_Thread (Id : Address) is
- Tid : Task_Id := To_Id (Id);
-
- begin
- Abort_Task (Tid);
- end Destroy_Thread;
-
- ----------------
- -- Get_Thread --
- ----------------
-
- procedure Get_Thread (Id : Address; Thread : Address) is
- use System.OS_Interface;
-
- Thr : Thread_Id;
- for Thr use at Thread;
- begin
- Thr := Task_Primitives.Operations.Get_Thread_Id (To_Id (Id));
- end Get_Thread;
-
-end GNAT.Threads;
projects / msp430-gcc.git / blobdiff