projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| 1eee94d3 GM |
1 | (* ErrnoCategory.def provides an interface to errno. |
| 2 | ||
| a945c346 | 3 | Copyright (C) 2008-2024 Free Software Foundation, Inc. |
| 1eee94d3 GM |
4 | Contributed by Gaius Mulley <gaius.mulley@southwales.ac.uk>. |
| 5 | ||
| 6 | This file is part of GNU Modula-2. | |
| 7 | ||
| 8 | GNU Modula-2 is free software; you can redistribute it and/or modify | |
| 9 | it under the terms of the GNU General Public License as published by | |
| 10 | the Free Software Foundation; either version 3, or (at your option) | |
| 11 | any later version. | |
| 12 | ||
| 13 | GNU Modula-2 is distributed in the hope that it will be useful, but | |
| 14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 16 | General Public License for more details. | |
| 17 | ||
| 18 | Under Section 7 of GPL version 3, you are granted additional | |
| 19 | permissions described in the GCC Runtime Library Exception, version | |
| 20 | 3.1, as published by the Free Software Foundation. | |
| 21 | ||
| 22 | You should have received a copy of the GNU General Public License and | |
| 23 | a copy of the GCC Runtime Library Exception along with this program; | |
| 24 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
| 25 | <http://www.gnu.org/licenses/>. *) | |
| 26 | ||
| 27 | DEFINITION MODULE ErrnoCategory ; | |
| 28 | ||
| 29 | (* | |
| 30 | provides an interface to errno (if the system | |
| 31 | supports it) which determines whether the current | |
| 32 | errno is a hard or soft error. These distinctions | |
| 33 | are needed by the ISO Modula-2 libraries. Not all | |
| 34 | errno values are tested, only those which could be | |
| 35 | related to a device. | |
| 36 | *) | |
| 37 | ||
| 38 | IMPORT ChanConsts ; | |
| 39 | ||
| 40 | ||
| 41 | (* | |
| 42 | IsErrnoHard - returns TRUE if the value of errno is associated with | |
| 43 | a hard device error. | |
| 44 | *) | |
| 45 | ||
| 46 | PROCEDURE IsErrnoHard (e: INTEGER) : BOOLEAN ; | |
| 47 | ||
| 48 | ||
| 49 | (* | |
| 50 | IsErrnoSoft - returns TRUE if the value of errno is associated with | |
| 51 | a soft device error. | |
| 52 | *) | |
| 53 | ||
| 54 | PROCEDURE IsErrnoSoft (e: INTEGER) : BOOLEAN ; | |
| 55 | ||
| 56 | ||
| 57 | (* | |
| 58 | UnAvailable - returns TRUE if the value of errno indicates that | |
| 59 | the resource or device is unavailable for some | |
| 60 | reason. | |
| 61 | *) | |
| 62 | ||
| 63 | PROCEDURE UnAvailable (e: INTEGER) : BOOLEAN ; | |
| 64 | ||
| 65 | ||
| 66 | (* | |
| 67 | GetOpenResults - maps errno onto the ISO Modula-2 enumerated | |
| 68 | type, OpenResults. | |
| 69 | *) | |
| 70 | ||
| 71 | PROCEDURE GetOpenResults (e: INTEGER) : ChanConsts.OpenResults ; | |
| 72 | ||
| 73 | ||
| 74 | END ErrnoCategory. |