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Diffstat (limited to 'gcc/ada/g-signal.ads')
| -rw-r--r-- | gcc/ada/g-signal.ads | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/gcc/ada/g-signal.ads b/gcc/ada/g-signal.ads new file mode 100644 index 00000000000..6939fe27386 --- /dev/null +++ b/gcc/ada/g-signal.ads @@ -0,0 +1,55 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUNTIME COMPONENTS -- +-- -- +-- G N A T . S I G N A L S -- +-- -- +-- S p e c -- +-- -- +-- Copyright (C) 2003 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. -- +-- -- +------------------------------------------------------------------------------ + +with Ada.Interrupts; + +-- 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. + +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; |