1 ------------------------------------------------------------------------------
3 -- GNAT RUNTIME COMPONENTS --
10 -- Copyright (C) 1996-2001 Free Software Foundation, Inc. --
12 -- GNAT is free software; you can redistribute it and/or modify it under --
13 -- terms of the GNU General Public License as published by the Free Soft- --
14 -- ware Foundation; either version 2, or (at your option) any later ver- --
15 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
16 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
17 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
18 -- for more details. You should have received a copy of the GNU General --
19 -- Public License distributed with GNAT; see file COPYING. If not, write --
20 -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
21 -- MA 02111-1307, USA. --
23 -- As a special exception, if other files instantiate generics from this --
24 -- unit, or you link this unit with other files to produce an executable, --
25 -- this unit does not by itself cause the resulting executable to be --
26 -- covered by the GNU General Public License. This exception does not --
27 -- however invalidate any other reasons why the executable file might be --
28 -- covered by the GNU Public License. --
30 -- GNAT was originally developed by the GNAT team at New York University. --
31 -- Extensive contributions were provided by Ada Core Technologies Inc. --
33 ------------------------------------------------------------------------------
35 -- This is an AlphaVMS package that contains the declarations and
36 -- function specifications needed by the DECLib IO packages.
38 with System.Task_Primitives;
42 type Exception_Number is (
44 GNAT_EN_EXISTENCE_ERROR,
48 GNAT_EN_CONSTRAINT_ERRO,
51 GNAT_EN_STORAGE_ERROR,
62 GNAT_EN_FAC_MODE_MISMAT,
72 for Exception_Number'Size use 32;
74 for Exception_Number use (
75 GNAT_EN_LOCK_ERROR => 1,
76 GNAT_EN_EXISTENCE_ERROR => 2,
77 GNAT_EN_KEY_ERROR => 3,
78 GNAT_EN_KEYSIZERR => 4,
80 GNAT_EN_CONSTRAINT_ERRO => 6,
81 GNAT_EN_IOSYSFAILED => 7,
82 GNAT_EN_LAYOUT_ERROR => 8,
83 GNAT_EN_STORAGE_ERROR => 9,
84 GNAT_EN_DATA_ERROR => 10,
85 GNAT_EN_DEVICE_ERROR => 11,
86 GNAT_EN_END_ERROR => 12,
87 GNAT_EN_MODE_ERROR => 13,
88 GNAT_EN_NAME_ERROR => 14,
89 GNAT_EN_STATUS_ERROR => 15,
90 GNAT_EN_NOT_OPEN => 16,
91 GNAT_EN_ALREADY_OPEN => 17,
92 GNAT_EN_USE_ERROR => 18,
93 GNAT_EN_UNSUPPORTED => 19,
94 GNAT_EN_FAC_MODE_MISMAT => 20,
95 GNAT_EN_ORG_MISMATCH => 21,
96 GNAT_EN_RFM_MISMATCH => 22,
97 GNAT_EN_RAT_MISMATCH => 23,
98 GNAT_EN_MRS_MISMATCH => 24,
99 GNAT_EN_MRN_MISMATCH => 25,
100 GNAT_EN_KEY_MISMATCH => 26,
101 GNAT_EN_MAXLINEXC => 27,
102 GNAT_EN_LINEXCMRS => 28);
104 procedure Raise_IO_Exception (EN : Exception_Number);
105 pragma Export_Procedure (Raise_IO_Exception, "GNAT$RAISE_IO_EXCEPTION",
108 package IO_Locking is
109 type Access_Mutex is private;
110 function Create_Mutex return Access_Mutex;
111 procedure Acquire (M : Access_Mutex);
112 procedure Release (M : Access_Mutex);
115 type Access_Mutex is access System.Task_Primitives.RTS_Lock;
116 pragma Export_Function (Create_Mutex, "GNAT$CREATE_MUTEX",
118 pragma Export_Procedure (Acquire, "GNAT$ACQUIRE_MUTEX",
120 pragma Export_Procedure (Release, "GNAT$RELEASE_MUTEX",