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Annotation of Net2/sys/ucred.h, revision 1.1.1.2

1.1       root        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, with or without
                      6:  * modification, are permitted provided that the following conditions
                      7:  * are met:
                      8:  * 1. Redistributions of source code must retain the above copyright
                      9:  *    notice, this list of conditions and the following disclaimer.
                     10:  * 2. Redistributions in binary form must reproduce the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer in the
                     12:  *    documentation and/or other materials provided with the distribution.
                     13:  * 3. All advertising materials mentioning features or use of this software
                     14:  *    must display the following acknowledgement:
                     15:  *     This product includes software developed by the University of
                     16:  *     California, Berkeley and its contributors.
                     17:  * 4. Neither the name of the University nor the names of its contributors
                     18:  *    may be used to endorse or promote products derived from this software
                     19:  *    without specific prior written permission.
                     20:  *
                     21:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     22:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     23:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     24:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     25:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     26:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     27:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     28:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     29:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     30:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     31:  * SUCH DAMAGE.
                     32:  *
1.1.1.2 ! root       33:  *     from: @(#)ucred.h       7.5 (Berkeley) 2/5/91
        !            34:  *     ucred.h,v 1.4 1993/06/27 05:59:10 andrew Exp
1.1       root       35:  */
                     36: 
1.1.1.2 ! root       37: #ifndef _SYS_UCRED_H_
        !            38: #define _SYS_UCRED_H_
1.1       root       39: 
                     40: /*
                     41:  * Credentials.
                     42:  */
                     43: struct ucred {
                     44:        u_short cr_ref;                 /* reference count */
                     45:        uid_t   cr_uid;                 /* effective user id */
                     46:        short   cr_ngroups;             /* number of groups */
                     47:        gid_t   cr_groups[NGROUPS];     /* groups */
                     48: };
                     49: #define cr_gid cr_groups[0]
                     50: #define NOCRED ((struct ucred *)-1)
                     51: 
                     52: #ifdef KERNEL
                     53: #define        crhold(cr)      (cr)->cr_ref++
1.1.1.2 ! root       54: struct ucred   *crget __P((void));
        !            55: struct ucred   *crcopy __P((struct ucred *cr));
        !            56: struct ucred   *crdup __P((struct ucred *cr));
        !            57: int            suser __P((struct ucred *cred, u_short *acflag));
1.1       root       58: #endif KERNEL
                     59: 
1.1.1.2 ! root       60: #endif /* !_SYS_UCRED_H_ */

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