s-taprob.adb (Initialize_Protection): Initialize the protected object's owner to Null_Task.
2005-03-17 Jose Ruiz <ruiz@adacore.com>
* s-taprob.adb (Initialize_Protection): Initialize the protected
object's owner to Null_Task.
(Lock): If pragma Detect_Blocking is in effect and the caller of this
procedure is already the protected object's owner then Program_Error
is raised. In addition the protected object's owner is updated.
(Lock_Read_Only): If pragma Detect_Blocking is in effect and the caller
of this procedure is already the protected object's owner then
Program_Error is raised.
In addition the protected object's owner is updated.
(Unlock): Remove the ownership of the protected object.
* s-taprob.ads (Protection): Add the field Owner, used to store the
protected object's owner.
This component is needed for detecting one type of potentially blocking
operations (external calls on a protected subprogram with the same
target object as that of the protected action). Document the rest of
the components.
* s-tposen.adb, s-tpoben.adb (Initialize_Protection_Entries):
Initialize the protected object's owner to Null_Task.
(Lock_Read_Only_Entries): If pragma Detect_Blocking is in effect and the
caller of this procedure is already the protected object's owner then
Program_Error is raised.
Do not raise Program_Error when this procedure is called from a
protected action.
(Unlock_Entries): Remove the ownership of the protected object.
(Lock_Entries): If pragma Detect_Blocking is in effect and the caller
of this procedure is already the protected object's owner then
Program_Error is raised.
Do not raise Program_Error when this procedure is called from
a protected action.
* s-tposen.ads, s-tpoben.ads (Protection_Entries): Add the field Owner,
used to store the protected object's owner.
* s-tpobop.adb (Protected_Entry_Call): If pragma Detect_Blocking is in
effect and this procedure (a potentially blocking operation) is called
from whithin a protected action, Program_Error is raised.
(Timed_Protected_Entry_Call): If pragma Detect_Blocking is in effect
and this procedure (a potentially blocking operation) is called from
whithin a protected action, Program_Error is raised.
From-SVN: r96675