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Diffstat (limited to 'gcc-4.8.3/gcc/ada/g-tty.ads')
| -rw-r--r-- | gcc-4.8.3/gcc/ada/g-tty.ads | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/gcc-4.8.3/gcc/ada/g-tty.ads b/gcc-4.8.3/gcc/ada/g-tty.ads new file mode 100644 index 000000000..12aaba760 --- /dev/null +++ b/gcc-4.8.3/gcc/ada/g-tty.ads @@ -0,0 +1,73 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT LIBRARY COMPONENTS -- +-- -- +-- G N A T . T T Y -- +-- -- +-- S p e c -- +-- -- +-- Copyright (C) 2002-2011, AdaCore -- +-- -- +-- 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 control over pseudo terminals (ttys) + +-- This package is only supported on unix systems. See function TTY_Supported +-- to test dynamically whether other functions of this package can be called. + +with System; + +with GNAT.OS_Lib; + +package GNAT.TTY is + + type TTY_Handle is private; + -- Handle for a tty descriptor + + function TTY_Supported return Boolean; + -- If True, the other functions of this package can be called. Otherwise, + -- all functions in this package will raise Program_Error if called. + + procedure Allocate_TTY (Handle : out TTY_Handle); + -- Allocate a new tty + + procedure Reset_TTY (Handle : TTY_Handle); + -- Reset settings of a given tty + + procedure Close_TTY (Handle : in out TTY_Handle); + -- Close a given tty + + function TTY_Name (Handle : TTY_Handle) return String; + -- Return the external name of a tty. The name depends on the tty handling + -- on the given target. It will typically look like: "/dev/ptya1" + + function TTY_Descriptor + (Handle : TTY_Handle) return GNAT.OS_Lib.File_Descriptor; + -- Return the low level descriptor associated with Handle + +private + + type TTY_Handle is record + Handle : System.Address := System.Null_Address; + end record; + +end GNAT.TTY; |