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      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