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------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME COMPONENTS --
-- --
-- G N A T . S I G N A L S --
-- --
-- S p e c --
-- --
-- Copyright (C) 2003-2005 Free Software Foundation, Inc. --
-- --
-- GNAT 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- --
-- ware Foundation; either version 2, or (at your option) any later ver- --
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
-- for more details. You should have received a copy of the GNU General --
-- Public License distributed with GNAT; see file COPYING. If not, write --
-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
-- MA 02111-1307, USA. --
-- --
-- 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. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
-- This package provides operations for querying and setting the blocked
-- status of signals.
-- This package is supported only on targets where Ada.Interrupts.Interrupt_ID
-- corresponds to software signals on the target, and where System.Interrupts
-- provides the ability to block and unblock signals.
with Ada.Interrupts;
package GNAT.Signals is
procedure Block_Signal (Signal : Ada.Interrupts.Interrupt_ID);
-- Block "Signal" at the process level
procedure Unblock_Signal (Signal : Ada.Interrupts.Interrupt_ID);
-- Unblock "Signal" at the process level
function Is_Blocked (Signal : Ada.Interrupts.Interrupt_ID) return Boolean;
-- "Signal" blocked at the process level?
end GNAT.Signals;
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