2011-11-23 Robert Dewar <dewar@adacore.com>

	* exp_util.adb, par-ch6.adb, sem_res.adb, par-util.adb: Minor
	reformatting.

2011-11-23  Yannick Moy  <moy@adacore.com>

	* sem_ch13.adb (Analyze_Aspect_Specifications): Place error on
	line of precondition/ postcondition/invariant.
2011-11-23  Pascal Obry  <obry@adacore.com>

	* g-exptty.ads, g-exptty.adb, g-tty.ads, g-tty.adb,
	terminals.c: New files.
	Makefile.rtl: Add these new files.
	* gnat_rm.texi: Add documentation for GNAT.Expect.TTY.
	* gcc-interface/Makefile.in: Add g-exptty, g-tty, terminals.o
	* gcc-interface/Make-lang.in: Update dependencies.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181655 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 73 insertions, 0 deletions

diff --git a/gcc/ada/g-tty.ads b/gcc/ada/g-tty.ads
new file mode 100644
index 00000000000..12aaba760f1
--- /dev/null
+++ b/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;