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authorbosch <bosch@138bc75d-0d04-0410-961f-82ee72b054a4>2001-10-26 16:09:47 +0000
committerbosch <bosch@138bc75d-0d04-0410-961f-82ee72b054a4>2001-10-26 16:09:47 +0000
commitf1919bc08041d359d38f4810bcf2437618418699 (patch)
treeb294124ef4da82ad9b0a331f660f48f02e52d779 /gcc/ada/5ztaprop.adb
parentff540fb068b6274bd0b1c88cccf01b1cfdd19ef6 (diff)
downloadgcc-f1919bc08041d359d38f4810bcf2437618418699.tar.gz
* 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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@46548 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/ada/5ztaprop.adb')
-rw-r--r--gcc/ada/5ztaprop.adb14
1 files changed, 11 insertions, 3 deletions
diff --git a/gcc/ada/5ztaprop.adb b/gcc/ada/5ztaprop.adb
index b543ae23b33..0d9538c3b0f 100644
--- a/gcc/ada/5ztaprop.adb
+++ b/gcc/ada/5ztaprop.adb
@@ -6,7 +6,7 @@
-- --
-- B o d y --
-- --
--- $Revision: 1.41 $
+-- $Revision$
-- --
-- Copyright (C) 1991-2001 Florida State University --
-- --
@@ -728,6 +728,8 @@ package body System.Task_Primitives.Operations is
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);
@@ -898,6 +900,8 @@ package body System.Task_Primitives.Operations is
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);
@@ -989,7 +993,9 @@ package body System.Task_Primitives.Operations is
(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;
@@ -1004,7 +1010,9 @@ package body System.Task_Primitives.Operations is
(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;