New Language: Ada

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45952 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 128 insertions, 0 deletions

diff --git a/gcc/ada/5oosinte.ads b/gcc/ada/5oosinte.ads
new file mode 100644
index 00000000000..70d6bb2518e
--- /dev/null
+++ b/gcc/ada/5oosinte.ads
@@ -0,0 +1,128 @@
+------------------------------------------------------------------------------
+--                                                                          --
+--                 GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS              --
+--                                                                          --
+--                   S Y S T E M . O S _ I N T E R F A C E                  --
+--                                                                          --
+--                                  S p e c                                 --
+--                                                                          --
+--                             $Revision: 1.10 $
+--                                                                          --
+--            Copyright (C) 1991-2001 Florida State University              --
+--                                                                          --
+-- GNARL 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. GNARL 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 GNARL; 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.                                      --
+--                                                                          --
+-- GNARL was developed by the GNARL team at Florida State University. It is --
+-- now maintained by Ada Core Technologies Inc. in cooperation with Florida --
+-- State University (http://www.gnat.com).                                  --
+--                                                                          --
+------------------------------------------------------------------------------
+
+--  This is the OS/2 version of this package
+
+--  This package encapsulates all direct interfaces to OS services
+--  that are needed by children of System.
+
+--  PLEASE DO NOT add any with-clauses to this package
+--  or remove the pragma Preelaborate.
+
+--  It is designed to be a bottom-level (leaf) package.
+
+with Interfaces.C;
+package System.OS_Interface is
+   pragma Preelaborate;
+
+   package C renames Interfaces.C;
+
+   subtype int            is C.int;
+   subtype unsigned_long  is C.unsigned_long;
+
+   type Duration_In_Millisec is new C.long;
+   --  New type to prevent confusing time functions in this package
+   --  with time functions returning seconds or other units.
+
+   type Thread_Id is new unsigned_long;
+
+   -----------
+   -- Errno --
+   -----------
+
+   function errno return int;
+   pragma Import (C, errno, "__get_errno");
+
+   EAGAIN   : constant := 5;
+   EINTR    : constant := 13;
+   EINVAL   : constant := 14;
+   ENOMEM   : constant := 25;
+
+   -------------
+   -- Signals --
+   -------------
+
+   Max_Interrupt : constant := 15;
+   type Signal is new int range 0 .. Max_Interrupt;
+
+   --  Signals for OS/2, only SIGTERM used currently. The values are
+   --  fake, since OS/2 uses 32 bit exception numbers that cannot be
+   --  used to index arrays etc. The GNULLI maps these Unix-like signals
+   --  to OS/2 exception numbers.
+
+   --  SIGTERM is used for the abort interrupt.
+
+   SIGHUP     : constant := 1;  --  hangup
+   SIGINT     : constant := 2;  --  interrupt (rubout)
+   SIGQUIT    : constant := 3;  --  quit (ASCD FS)
+   SIGILL     : constant := 4;  --  illegal instruction (not reset)
+   SIGTRAP    : constant := 5;  --  trace trap (not reset)
+   SIGIOT     : constant := 6;  --  IOT instruction
+   SIGEMT     : constant := 0;  --  EMT instruction
+   SIGFPE     : constant := 8;  --  floating point exception
+   SIGKILL    : constant := 9;  --  kill (cannot be caught or ignored)
+   SIGBUS     : constant := 10; --  bus error
+   SIGSEGV    : constant := 11; --  segmentation violation
+   SIGSYS     : constant := 12; --  bad argument to system call
+   SIGPIPE    : constant := 13; --  write on a pipe with no one to read it
+   SIGALRM    : constant := 14; --  alarm clock
+   SIGTERM    : constant := 15; --  software termination signal from kill
+
+   subtype sigset_t is unsigned_long;
+
+   ----------
+   -- Time --
+   ----------
+
+   function Clock return Duration;
+   pragma Inline (Clock);
+   --  Clock measuring time since the epoch, which is the boot-time.
+   --  The clock resolution is approximately 838 ns.
+
+   procedure Delay_For (Period : in Duration_In_Millisec);
+   pragma Inline (Delay_For);
+   --  Changed Sleep to Delay_For, for consistency with System.Time_Operations
+
+   ----------------
+   -- Scheduling --
+   ----------------
+
+   --  Put the calling task at the end of the ready queue for its priority
+
+   procedure Yield;
+   pragma Inline (Yield);
+
+end System.OS_Interface;