| 32e1147e |
1 | /* -*-c-*- |
| 2 | * |
| 8656dc50 |
3 | * $Id: fwatch.h,v 1.2 2004/04/08 01:36:11 mdw Exp $ |
| 32e1147e |
4 | * |
| 5 | * Watch a file for changes |
| 6 | * |
| 7 | * (c) 2001 Straylight/Edgeware |
| 8 | */ |
| 9 | |
| 10 | /*----- Licensing notice --------------------------------------------------* |
| 11 | * |
| 12 | * This file is part of the mLib utilities library. |
| 13 | * |
| 14 | * mLib is free software; you can redistribute it and/or modify |
| 15 | * it under the terms of the GNU Library General Public License as |
| 16 | * published by the Free Software Foundation; either version 2 of the |
| 17 | * License, or (at your option) any later version. |
| 18 | * |
| 19 | * mLib is distributed in the hope that it will be useful, |
| 20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 22 | * GNU Library General Public License for more details. |
| 23 | * |
| 24 | * You should have received a copy of the GNU Library General Public |
| 25 | * License along with mLib; if not, write to the Free |
| 26 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
| 27 | * MA 02111-1307, USA. |
| 28 | */ |
| 29 | |
| 32e1147e |
30 | #ifndef MLIB_FWATCH_H |
| 31 | #define MLIB_FWATCH_H |
| 32 | |
| 33 | #ifdef __cplusplus |
| 34 | extern "C" { |
| 35 | #endif |
| 36 | |
| 37 | /*----- Header files ------------------------------------------------------*/ |
| 38 | |
| 39 | #include <sys/types.h> |
| 40 | #include <sys/stat.h> |
| 41 | |
| 42 | /*----- Data structures ---------------------------------------------------*/ |
| 43 | |
| 44 | typedef struct fwatch { |
| 45 | int err; |
| 46 | dev_t dev; |
| 47 | ino_t ino; |
| 48 | time_t mtime; |
| 49 | off_t size; |
| 50 | mode_t mode; |
| 51 | uid_t uid; |
| 52 | gid_t gid; |
| 53 | } fwatch; |
| 54 | |
| 55 | /*----- Functions provided ------------------------------------------------*/ |
| 56 | |
| 57 | /* --- @fwatch_init@, @fwatch_update@, etc --- * |
| 58 | * |
| 59 | * Arguments: @fwatch *f@ = pointer to an @fwatch@ structure |
| 60 | * @const char *name@ = name of the file to watch |
| 61 | * @int fd@ = a file descriptor to watch |
| 62 | * |
| 63 | * Returns: The @update@ functions return nonzero if the file has |
| 64 | * changed. |
| 65 | * |
| 66 | * Use: Stores information about a file which can be used to watch |
| 67 | * for changes. The structures may be freed without telling |
| 68 | * anyone. |
| 69 | */ |
| 70 | |
| 71 | extern void fwatch_init(fwatch */*f*/, const char */*name*/); |
| 72 | extern void fwatch_initfd(fwatch */*f*/, int /*fd*/); |
| 73 | extern int fwatch_update(fwatch */*f*/, const char */*name*/); |
| 74 | extern int fwatch_updatefd(fwatch */*f*/, int /*fd*/); |
| 75 | |
| 76 | /*----- That's all, folks -------------------------------------------------*/ |
| 77 | |
| 78 | #ifdef __cplusplus |
| 79 | } |
| 80 | #endif |
| 81 | |
| 82 | #endif |
~mdw / mLib / blame