| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT RUNTIME COMPONENTS -- |
| -- -- |
| -- D E C . I O -- |
| -- -- |
| -- S p e c -- |
| -- -- |
| -- 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. -- |
| -- Extensive contributions were provided by Ada Core Technologies Inc. -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| -- 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; |