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Diffstat (limited to 'gcc-4.4.0/gcc/ada/g-signal.ads')
| -rw-r--r-- | gcc-4.4.0/gcc/ada/g-signal.ads | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/gcc-4.4.0/gcc/ada/g-signal.ads b/gcc-4.4.0/gcc/ada/g-signal.ads new file mode 100644 index 000000000..2a2780469 --- /dev/null +++ b/gcc-4.4.0/gcc/ada/g-signal.ads @@ -0,0 +1,52 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUN-TIME COMPONENTS -- +-- -- +-- G N A T . S I G N A L S -- +-- -- +-- S p e c -- +-- -- +-- 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. -- +-- -- +------------------------------------------------------------------------------ + +-- 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; |