1 /* 2 * Copyright (c) 1989 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms are permitted 6 * provided that the above copyright notice and this paragraph are 7 * duplicated in all such forms and that any documentation, 8 * advertising materials, and other materials related to such 9 * distribution and use acknowledge that the software was developed 10 * by the University of California, Berkeley. The name of the 11 * University may not be used to endorse or promote products derived 12 * from this software without specific prior written permission. 13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 16 * 17 * @(#)ucred.h 7.3 (Berkeley) 08/26/89 18 */ 19 20 #ifndef _UCRED_ 21 #define _UCRED_ 22 23 /* 24 * Credentials. 25 */ 26 struct ucred { 27 u_short cr_ref; /* reference count */ 28 uid_t cr_uid; /* effective user id */ 29 short cr_ngroups; /* number of groups */ 30 gid_t cr_groups[NGROUPS]; /* groups */ 31 }; 32 #define cr_gid cr_groups[0] 33 #define NOCRED ((struct ucred *)-1) 34 35 #ifdef KERNEL 36 #define crhold(cr) (cr)->cr_ref++ 37 struct ucred *crget(); 38 struct ucred *crcopy(); 39 struct ucred *crdup(); 40 #endif KERNEL 41 #endif _UCRED_ 42