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jfr.im git - solanum.git/blob - include/capability.h
2 * Copyright (c) 2012 William Pitcock <nenolod@dereferenced.org>.
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice is present in all copies.
8 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
9 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
10 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
11 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
12 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
13 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
14 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
15 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
16 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
17 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
18 * POSSIBILITY OF SUCH DAMAGE.
21 #ifndef __CAPABILITY_H__
22 #define __CAPABILITY_H__
24 struct CapabilityIndex
{
26 struct Dictionary
*cap_dict
;
27 unsigned int highest_bit
;
31 #define CAP_ORPHANED 0x1
32 #define CAP_REQUIRED 0x2
34 struct CapabilityEntry
{
41 extern struct CapabilityEntry
*capability_find(struct CapabilityIndex
*idx
, const char *cap
);
42 extern unsigned int capability_get(struct CapabilityIndex
*idx
, const char *cap
, void **ownerdata
);
43 extern unsigned int capability_put(struct CapabilityIndex
*idx
, const char *cap
, void *ownerdata
);
44 extern unsigned int capability_put_anonymous(struct CapabilityIndex
*idx
);
45 extern void capability_orphan(struct CapabilityIndex
*idx
, const char *cap
);
46 extern void capability_require(struct CapabilityIndex
*idx
, const char *cap
);
48 extern struct CapabilityIndex
*capability_index_create(const char *name
);
49 extern void capability_index_destroy(struct CapabilityIndex
*);
50 extern const char *capability_index_list(struct CapabilityIndex
*, unsigned int capability_mask
);
51 extern unsigned int capability_index_mask(struct CapabilityIndex
*);
52 extern unsigned int capability_index_get_required(struct CapabilityIndex
*);
53 extern void capability_index_stats(void (*cb
)(const char *line
, void *privdata
), void *privdata
);