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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms of the
      5  * Common Development and Distribution License, Version 1.0 only
      6  * (the "License").  You may not use this file except in compliance
      7  * with the License.
      8  *
      9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
     10  * or http://www.opensolaris.org/os/licensing.
     11  * See the License for the specific language governing permissions
     12  * and limitations under the License.
     13  *
     14  * When distributing Covered Code, include this CDDL HEADER in each
     15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     16  * If applicable, add the following below this CDDL HEADER, with the
     17  * fields enclosed by brackets "[]" replaced with your own identifying
     18  * information: Portions Copyright [yyyy] [name of copyright owner]
     19  *
     20  * CDDL HEADER END
     21  */
     22 /*
     23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
     24  * Use is subject to license terms.
     25  */
     26 
     27 #ifndef	_PUTIL_H
     28 #define	_PUTIL_H
     29 
     30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     31 
     32 #ifdef	__cplusplus
     33 extern "C" {
     34 #endif
     35 
     36 /*
     37  * Circular doubly-linked list:
     38  */
     39 typedef struct P_list {
     40 	struct P_list	*list_forw;
     41 	struct P_list	*list_back;
     42 } plist_t;
     43 
     44 /*
     45  * Routines to manipulate linked lists:
     46  */
     47 extern void list_link(void *, void *);
     48 extern void list_unlink(void *);
     49 
     50 #define	list_next(elem)	(void *)(((plist_t *)(elem))->list_forw)
     51 #define	list_prev(elem)	(void *)(((plist_t *)(elem))->list_back)
     52 
     53 /*
     54  * Routines to manipulate sigset_t, fltset_t, or sysset_t.
     55  */
     56 extern void prset_fill(void *, size_t);
     57 extern void prset_empty(void *, size_t);
     58 extern void prset_add(void *, size_t, uint_t);
     59 extern void prset_del(void *, size_t, uint_t);
     60 extern int prset_ismember(void *, size_t, uint_t);
     61 
     62 /*
     63  * Routine to print debug messages:
     64  */
     65 extern void dprintf(const char *, ...);
     66 
     67 #ifdef	__cplusplus
     68 }
     69 #endif
     70 
     71 #endif	/* _PUTIL_H */
     72