/usr/share/ada/adainclude/anet/anet-receivers.ads is in libanet0.3.1-dev 0.3.1-1ubuntu1.
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-- Copyright (C) 2012 secunet Security Networks AG
-- Copyright (C) 2012 Reto Buerki <reet@codelabs.ch>
-- Copyright (C) 2012 Adrian-Ken Rueegsegger <ken@codelabs.ch>
--
-- This program is free software; you can redistribute it and/or modify it
-- under the terms of the GNU General Public License as published by the
-- Free Software Foundation; either version 2 of the License, or (at your
-- option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
--
-- This program is distributed in the hope that it will be useful, but
-- WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
-- for more details.
--
-- 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.
--
with Ada.Exceptions;
with System;
package Anet.Receivers is
type Count_Type is mod System.Max_Binary_Modulus;
type Error_Handler_Callback is not null access procedure
(E : Ada.Exceptions.Exception_Occurrence;
Stop_Flag : in out Boolean);
-- Error handling callback procedure. E is the exception to handle. The
-- stop flag signals the receiver to stop listening for data and terminate.
private
procedure No_Op_Cb
(E : Ada.Exceptions.Exception_Occurrence;
Stop_Flag : in out Boolean) is null;
-- This placeholder callback is needed for initialization of error handling
-- callbacks.
protected type Trigger_Type is
procedure Activate;
-- Activate trigger.
procedure Shutdown;
-- Signal shutdown to all tasks waiting on the Stop entry.
entry Stop;
-- Entry used for listener ATC.
procedure Signal_Termination;
-- Signal termination to all tasks waiting on the Wait_For_Termination
-- entry.
entry Wait_For_Termination;
-- Wait until termination is signaled.
function Is_Listening return Boolean;
-- Returns true if the receiver task is currently listening for data.
private
Shutdown_Requested : Boolean := False;
Is_Terminated : Boolean := True;
end Trigger_Type;
-- This trigger is used to terminate receiver tasks by means of ATC.
protected type Protected_Count_Type is
function Get return Count_Type;
procedure Increment;
private
Counter : Count_Type := 0;
end Protected_Count_Type;
-- This is a protected counter which can be read safely from outside
-- the task.
end Anet.Receivers;
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