| ------------------------------------------------------------------------------ |
| -- -- |
| -- 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, 51 Franklin Street, Fifth Floor, -- |
| -- Boston, MA 02110-1301, 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; |