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1 /*
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2 * CDDL HEADER START
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3 *
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4 * The contents of this file are subject to the terms of the
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5 * Common Development and Distribution License, Version 1.0 only
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6 * (the "License"). You may not use this file except in compliance
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7 * with the License.
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8 *
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9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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10 * or http://www.opensolaris.org/os/licensing.
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11 * See the License for the specific language governing permissions
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12 * and limitations under the License.
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13 *
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14 * When distributing Covered Code, include this CDDL HEADER in each
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15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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16 * If applicable, add the following below this CDDL HEADER, with the
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17 * fields enclosed by brackets "[]" replaced with your own identifying
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18 * information: Portions Copyright [yyyy] [name of copyright owner]
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19 *
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20 * CDDL HEADER END
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21 */
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22 /*
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23 * Copyright (c) 1996-1998, by Sun Microsystems, Inc.
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24 * All Rights Reserved.
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25 */
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26
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27 #ifndef _SUBR_H
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28 #define _SUBR_H
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29
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30 #pragma ident "@(#)subr.h 1.16 05/06/08 SMI"
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31
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32 /*
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33 *
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34 * subr.h
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35 *
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36 * Function prototypes for subr.c
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37 */
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38
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39 #include <ftw.h>
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40
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41 /* size to make a buffer for holding a pathname */
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42 #define CACHEFS_XMAXPATH (PATH_MAX + MAXNAMELEN + 2)
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43
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44 #ifdef __cplusplus
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45 extern "C" {
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46 #endif
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47
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48 /* resource file info */
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49 struct cachefs_rinfo {
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50 int r_fsize; /* total file size */
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51 int r_ptroffset; /* offset to pointers area */
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52 int r_ptrsize; /* size of pointers area */
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53 int r_identoffset; /* offset to idents area */
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54 int r_identsize; /* size of idents area */
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55 };
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56
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57 struct cachefs_user_values {
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58 int uv_maxblocks;
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59 int uv_minblocks;
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60 int uv_threshblocks;
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61 int uv_maxfiles;
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62 int uv_minfiles;
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63 int uv_threshfiles;
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64 int uv_maxfilesize;
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65 int uv_hiblocks;
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66 int uv_lowblocks;
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67 int uv_hifiles;
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68 int uv_lowfiles;
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69 };
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70
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71 int cachefs_dir_lock(const char *cachedirp, int shared);
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72 int cachefs_dir_unlock(int fd);
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73 int cachefs_label_file_get(const char *filep, struct cache_label *clabelp);
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74 int cachefs_label_file_put(const char *filep, struct cache_label *clabelp);
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75 int cachefs_inuse(const char *cachedirp);
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76 int cachefs_label_file_vcheck(char *filep, struct cache_label *clabelp);
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77 void cachefs_resource_size(int maxinodes, struct cachefs_rinfo *rinfop);
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78 int cachefs_create_cache(char *dirp, struct cachefs_user_values *,
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79 struct cache_label *);
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80 int cachefs_delete_all_cache(char *dirp);
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81 int cachefs_delete_cache(char *dirp, char *namep);
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82 int cachefs_delete_file(const char *namep, const struct stat64 *statp, int flg,
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83 struct FTW *ftwp);
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84 int cachefs_convert_uv2cl(const struct cachefs_user_values *uvp,
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85 struct cache_label *clp, const char *dirp);
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86 int cachefs_convert_cl2uv(const struct cache_label *clp,
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87 struct cachefs_user_values *uvp, const char *dirp);
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88 char *cachefs_file_to_dir(const char *);
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89 int cachefs_clean_flag_test(const char *cachedirp);
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90 void pr_err(char *fmt, ...);
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91 time32_t get_boottime(void);
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92
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93 #ifdef __cplusplus
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94 }
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95 #endif
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96
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97 #endif /* _SUBR_H */
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