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+------------------------------------------------------------------------------
+-- --
+-- GNAT RUN-TIME COMPONENTS --
+-- --
+-- G N A T . S I G N A L S --
+-- --
+-- B o d y --
+-- --
+-- Copyright (C) 2003-2009, 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 3, 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. --
+-- --
+-- As a special exception under Section 7 of GPL version 3, you are granted --
+-- additional permissions described in the GCC Runtime Library Exception, --
+-- version 3.1, as published by the Free Software Foundation. --
+-- --
+-- You should have received a copy of the GNU General Public License and --
+-- a copy of the GCC Runtime Library Exception along with this program; --
+-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
+-- <http://www.gnu.org/licenses/>. --
+-- --
+-- GNAT was originally developed by the GNAT team at New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc. --
+-- --
+------------------------------------------------------------------------------
+
+with System.Interrupts;
+
+package body GNAT.Signals is
+
+ package SI renames System.Interrupts;
+
+ ------------------
+ -- Block_Signal --
+ ------------------
+
+ procedure Block_Signal (Signal : Ada.Interrupts.Interrupt_ID) is
+ begin
+ SI.Block_Interrupt (SI.Interrupt_ID (Signal));
+ end Block_Signal;
+
+ ----------------
+ -- Is_Blocked --
+ ----------------
+
+ function Is_Blocked (Signal : Ada.Interrupts.Interrupt_ID) return Boolean is
+ begin
+ return SI.Is_Blocked (SI.Interrupt_ID (Signal));
+ end Is_Blocked;
+
+ --------------------
+ -- Unblock_Signal --
+ --------------------
+
+ procedure Unblock_Signal (Signal : Ada.Interrupts.Interrupt_ID) is
+ begin
+ SI.Unblock_Interrupt (SI.Interrupt_ID (Signal));
+ end Unblock_Signal;
+
+end GNAT.Signals;