* 5ztaprop.adb:
(Initialize_TCB): Initialize thread ID to null, to be able to verify
later that this field has been set.
(Finalize_TCB): ditto.
(Suspend_Task): Verify that the thread ID is not null before using it.
(Resume_Task): ditto.
* s-tasdeb.adb:
(Resume_All_Tasks): Lock the tasks list before using it.
(Suspend_All_Tasks): ditto.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@46548
138bc75d-0d04-0410-961f-
82ee72b054a4
-- --
-- S p e c --
-- --
--- $Revision: 1.16 $
+-- $Revision$
-- --
-- Copyright (C) 1997-2001 Free Software Foundation, Inc. --
-- --
type pthread_t is private;
subtype Thread_Id is pthread_t;
+ null_pthread : constant pthread_t;
+
type pthread_mutex_t is limited private;
type pthread_cond_t is limited private;
type pthread_attr_t is limited private;
type pthread_t is new long;
+ null_pthread : constant pthread_t := 0;
+
type pthread_key_t is new int;
-- These are to store the pthread_keys that are created with
-- --
-- B o d y --
-- --
--- $Revision: 1.41 $
+-- $Revision$
-- --
-- Copyright (C) 1991-2001 Florida State University --
-- --
Cond_Attr : aliased pthread_condattr_t;
begin
+ Self_ID.Common.LL.Thread := null_pthread;
+
Result := pthread_mutexattr_init (Mutex_Attr'Access);
pragma Assert (Result = 0 or else Result = ENOMEM);
Unchecked_Deallocation (Ada_Task_Control_Block, Task_ID);
begin
+ T.Common.LL.Thread := null_pthread;
+
Result := pthread_mutex_destroy (T.Common.LL.L'Access);
pragma Assert (Result = 0);
(T : ST.Task_ID;
Thread_Self : Thread_Id) return Boolean is
begin
- if T.Common.LL.Thread /= Thread_Self then
+ if T.Common.LL.Thread /= null_pthread
+ and then T.Common.LL.Thread /= Thread_Self
+ then
return taskSuspend (T.Common.LL.Thread) = 0;
else
return True;
(T : ST.Task_ID;
Thread_Self : Thread_Id) return Boolean is
begin
- if T.Common.LL.Thread /= Thread_Self then
+ if T.Common.LL.Thread /= null_pthread
+ and then T.Common.LL.Thread /= Thread_Self
+ then
return taskResume (T.Common.LL.Thread) = 0;
else
return True;
+2001-10-26 Joel Brobecker <brobecke@gnat.com>
+
+ * 5zosinte.ads (null_pthread): new constant.
+
+ * 5ztaprop.adb:
+ (Initialize_TCB): Initialize thread ID to null, to be able to verify
+ later that this field has been set.
+ (Finalize_TCB): ditto.
+ (Suspend_Task): Verify that the thread ID is not null before using it.
+ (Resume_Task): ditto.
+
+ * s-tasdeb.adb:
+ (Resume_All_Tasks): Lock the tasks list before using it.
+ (Suspend_All_Tasks): ditto.
+
2001-10-26 Richard Kenner <kenner@gnat.com>
* decl.c (gnat_to_gnu_entity, case E_General_Access_Type):
-- --
-- B o d y --
-- --
--- $Revision: 1.23 $
+-- $Revision$
-- --
-- Copyright (C) 1997-2001 Free Software Foundation, Inc. --
-- --
R : Boolean;
begin
+ STPO.Lock_All_Tasks_List;
C := All_Tasks_List;
while C /= null loop
R := STPO.Resume_Task (C, Thread_Self);
C := C.Common.All_Tasks_Link;
end loop;
+
+ STPO.Unlock_All_Tasks_List;
end Resume_All_Tasks;
----------
R : Boolean;
begin
+ STPO.Lock_All_Tasks_List;
C := All_Tasks_List;
while C /= null loop
R := STPO.Suspend_Task (C, Thread_Self);
C := C.Common.All_Tasks_Link;
end loop;
+
+ STPO.Unlock_All_Tasks_List;
end Suspend_All_Tasks;
------------------------