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------------------------------------------------------------------------------
-- --
-- GNAT RUNTIME COMPONENTS --
-- --
-- D E C . I O --
-- --
-- S p e c --
-- --
-- $Revision: 1.2 $
-- --
-- Copyright (C) 1996-2001 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. --
-- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
-- --
------------------------------------------------------------------------------
-- This is an AlphaVMS package that contains the declarations and
-- function specifications needed by the DECLib IO packages.
with System.Task_Primitives;
package DEC.IO is
private
type Exception_Number is (
GNAT_EN_LOCK_ERROR,
GNAT_EN_EXISTENCE_ERROR,
GNAT_EN_KEY_ERROR,
GNAT_EN_KEYSIZERR,
GNAT_EN_STAOVF,
GNAT_EN_CONSTRAINT_ERRO,
GNAT_EN_IOSYSFAILED,
GNAT_EN_LAYOUT_ERROR,
GNAT_EN_STORAGE_ERROR,
GNAT_EN_DATA_ERROR,
GNAT_EN_DEVICE_ERROR,
GNAT_EN_END_ERROR,
GNAT_EN_MODE_ERROR,
GNAT_EN_NAME_ERROR,
GNAT_EN_STATUS_ERROR,
GNAT_EN_NOT_OPEN,
GNAT_EN_ALREADY_OPEN,
GNAT_EN_USE_ERROR,
GNAT_EN_UNSUPPORTED,
GNAT_EN_FAC_MODE_MISMAT,
GNAT_EN_ORG_MISMATCH,
GNAT_EN_RFM_MISMATCH,
GNAT_EN_RAT_MISMATCH,
GNAT_EN_MRS_MISMATCH,
GNAT_EN_MRN_MISMATCH,
GNAT_EN_KEY_MISMATCH,
GNAT_EN_MAXLINEXC,
GNAT_EN_LINEXCMRS);
for Exception_Number'Size use 32;
for Exception_Number use (
GNAT_EN_LOCK_ERROR => 1,
GNAT_EN_EXISTENCE_ERROR => 2,
GNAT_EN_KEY_ERROR => 3,
GNAT_EN_KEYSIZERR => 4,
GNAT_EN_STAOVF => 5,
GNAT_EN_CONSTRAINT_ERRO => 6,
GNAT_EN_IOSYSFAILED => 7,
GNAT_EN_LAYOUT_ERROR => 8,
GNAT_EN_STORAGE_ERROR => 9,
GNAT_EN_DATA_ERROR => 10,
GNAT_EN_DEVICE_ERROR => 11,
GNAT_EN_END_ERROR => 12,
GNAT_EN_MODE_ERROR => 13,
GNAT_EN_NAME_ERROR => 14,
GNAT_EN_STATUS_ERROR => 15,
GNAT_EN_NOT_OPEN => 16,
GNAT_EN_ALREADY_OPEN => 17,
GNAT_EN_USE_ERROR => 18,
GNAT_EN_UNSUPPORTED => 19,
GNAT_EN_FAC_MODE_MISMAT => 20,
GNAT_EN_ORG_MISMATCH => 21,
GNAT_EN_RFM_MISMATCH => 22,
GNAT_EN_RAT_MISMATCH => 23,
GNAT_EN_MRS_MISMATCH => 24,
GNAT_EN_MRN_MISMATCH => 25,
GNAT_EN_KEY_MISMATCH => 26,
GNAT_EN_MAXLINEXC => 27,
GNAT_EN_LINEXCMRS => 28);
procedure Raise_IO_Exception (EN : Exception_Number);
pragma Export_Procedure (Raise_IO_Exception, "GNAT$RAISE_IO_EXCEPTION",
Mechanism => Value);
package IO_Locking is
type Access_Mutex is private;
function Create_Mutex return Access_Mutex;
procedure Acquire (M : Access_Mutex);
procedure Release (M : Access_Mutex);
private
type Access_Mutex is access System.Task_Primitives.RTS_Lock;
pragma Export_Function (Create_Mutex, "GNAT$CREATE_MUTEX",
Mechanism => Value);
pragma Export_Procedure (Acquire, "GNAT$ACQUIRE_MUTEX",
Mechanism => Value);
pragma Export_Procedure (Release, "GNAT$RELEASE_MUTEX",
Mechanism => Value);
end IO_Locking;
end DEC.IO;
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