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_ */ 60