FreeBSD/Linux Kernel Cross Reference
sys/sys/uidinfo.h
1 /* $NetBSD: uidinfo.h,v 1.4 2019/03/01 03:03:19 christos Exp $ */
2
3 /*
4 * Copyright (c) 1991, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32 #ifndef _SYS_UIDINFO_H_
33 #define _SYS_UIDINFO_H_
34
35 #include <sys/types.h>
36 #include <sys/queue.h>
37 #include <sys/mutex.h>
38
39 /*
40 * Structure associated with user caching.
41 */
42 struct uidinfo {
43 SLIST_ENTRY(uidinfo) ui_hash;
44 uid_t ui_uid;
45 u_long ui_proccnt; /* Number of processes */
46 u_long ui_lwpcnt; /* Number of lwps */
47 u_long ui_lockcnt; /* Number of locks */
48 u_long ui_semcnt; /* Number of semaphores */
49 u_long ui_sbsize; /* Socket buffer size */
50 };
51
52 int chgproccnt(uid_t, int);
53 int chglwpcnt(uid_t, int);
54 int chgsemcnt(uid_t, int);
55 int chgsbsize(struct uidinfo *, u_long *, u_long, rlim_t);
56 struct uidinfo *uid_find(uid_t);
57 void uid_init(void);
58
59 #endif /* _SYS_UIDINFO_H_ */
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