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-rw-r--r--gcc/ada/5vtpopde.adb39
1 files changed, 23 insertions, 16 deletions
diff --git a/gcc/ada/5vtpopde.adb b/gcc/ada/5vtpopde.adb
index 8735af58ff1..902a598f246 100644
--- a/gcc/ada/5vtpopde.adb
+++ b/gcc/ada/5vtpopde.adb
@@ -2,14 +2,13 @@
-- --
-- GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS --
-- --
--- S Y S T E M . T A S K _ P R I M I T I V E S . O P E R A T I O N S --
--- . D E C --
+-- SYSTEM.TASK_PRIMITIVES.OPERATIONS.DEC --
-- --
-- B o d y --
-- --
--- $Revision: 1.1 $ --
+-- $Revision$
-- --
--- Copyright (C) 2000 Free Software Foundation, Inc. --
+-- Copyright (C) 2000-2001 Free Software Foundation, Inc. --
-- --
-- GNARL 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- --
@@ -34,11 +33,13 @@
-- State University (http://www.gnat.com). --
-- --
------------------------------------------------------------------------------
+
-- This package is for OpenVMS/Alpha
---
+
with System.OS_Interface;
with System.Tasking;
with Unchecked_Conversion;
+
package body System.Task_Primitives.Operations.DEC is
use System.OS_Interface;
@@ -46,16 +47,15 @@ package body System.Task_Primitives.Operations.DEC is
use System.Aux_DEC;
use type Interfaces.C.int;
- -- The FAB_RAB_Type specifieds where the context field (the calling
+ -- The FAB_RAB_Type specifies where the context field (the calling
-- task) is stored. Other fields defined for FAB_RAB aren't need and
-- so are ignored.
- type FAB_RAB_Type is
- record
+
+ type FAB_RAB_Type is record
CTX : Unsigned_Longword;
end record;
- for FAB_RAB_Type use
- record
+ for FAB_RAB_Type use record
CTX at 24 range 0 .. 31;
end record;
@@ -81,8 +81,9 @@ package body System.Task_Primitives.Operations.DEC is
---------------------------
procedure Interrupt_AST_Handler (ID : Address) is
- Result : Interfaces.C.int;
- AST_Self_ID : Task_ID := To_Task_Id (ID);
+ Result : Interfaces.C.int;
+ AST_Self_ID : Task_ID := To_Task_Id (ID);
+
begin
Result := pthread_cond_signal_int_np (AST_Self_ID.Common.LL.CV'Access);
pragma Assert (Result = 0);
@@ -93,8 +94,9 @@ package body System.Task_Primitives.Operations.DEC is
---------------------
procedure RMS_AST_Handler (ID : Address) is
- AST_Self_ID : Task_ID := To_Task_Id (To_FAB_RAB (ID).CTX);
- Result : Interfaces.C.int;
+ AST_Self_ID : Task_ID := To_Task_Id (To_FAB_RAB (ID).CTX);
+ Result : Interfaces.C.int;
+
begin
AST_Self_ID.Common.LL.AST_Pending := False;
Result := pthread_cond_signal_int_np (AST_Self_ID.Common.LL.CV'Access);
@@ -107,6 +109,7 @@ package body System.Task_Primitives.Operations.DEC is
function Self return Unsigned_Longword is
Self_ID : Task_ID := Self;
+
begin
Self_ID.Common.LL.AST_Pending := True;
return To_Unsigned_Longword (Self);
@@ -117,8 +120,9 @@ package body System.Task_Primitives.Operations.DEC is
-------------------------
procedure Starlet_AST_Handler (ID : Address) is
- Result : Interfaces.C.int;
- AST_Self_ID : Task_ID := To_Task_Id (ID);
+ Result : Interfaces.C.int;
+ AST_Self_ID : Task_ID := To_Task_Id (ID);
+
begin
AST_Self_ID.Common.LL.AST_Pending := False;
Result := pthread_cond_signal_int_np (AST_Self_ID.Common.LL.CV'Access);
@@ -131,12 +135,15 @@ package body System.Task_Primitives.Operations.DEC is
procedure Task_Synch is
Synch_Self_ID : Task_ID := Self;
+
begin
Write_Lock (Synch_Self_ID);
Synch_Self_ID.Common.State := AST_Server_Sleep;
+
while Synch_Self_ID.Common.LL.AST_Pending loop
Sleep (Synch_Self_ID, AST_Server_Sleep);
end loop;
+
Synch_Self_ID.Common.State := Runnable;
Unlock (Synch_Self_ID);
end Task_Synch;