xref: /titanic_50/usr/src/cmd/fs.d/nfs/nfslog/buffer_list.h (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
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 (c) 1999 by Sun Microsystems, Inc.
24  * All rights reserved.
25  */
26 
27 #ifndef _BUFFER_LIST_H
28 #define	_BUFFER_LIST_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #ifdef __cplusplus
33 extern "C" {
34 #endif
35 
36 #include <sys/types.h>
37 
38 /*
39  * List of work buffers that need to be processed
40  */
41 struct buffer_ent {
42 	uint_t		be_flags;
43 	int		be_error;		/* last error reported */
44 	char		*be_name;		/* work buffer path */
45 	time_t		be_lastprocessed;	/* last time processed */
46 	struct sharepnt_ent	*be_sharepnt;	/* share point list */
47 	struct buffer_ent	*be_next;
48 };
49 
50 /*
51  * List of share points that refer to a given work buffer
52  */
53 struct sharepnt_ent {
54 	uint_t	se_flags;
55 	char	*se_name;		/* share point path */
56 	int	se_state;		/* active or inactive? */
57 	struct sharepnt_ent *se_next;
58 };
59 
60 #define	SE_INTABLE 0x01			/* entry still in file table */
61 
62 extern int getbuffer_list(struct buffer_ent **, timestruc_t *);
63 extern int checkbuffer_list(struct buffer_ent **, timestruc_t *);
64 extern void free_buffer_list(struct buffer_ent **);
65 extern void remove_buffer_ent(struct buffer_ent **, struct buffer_ent *);
66 extern void free_buffer_list(struct buffer_ent **);
67 extern void remove_sharepnt_ent(struct sharepnt_ent **, struct sharepnt_ent *);
68 #ifdef DEBUG
69 extern void printbuffer_list(struct buffer_ent *);
70 #endif
71 
72 #ifdef	__cplusplus
73 }
74 #endif
75 
76 #endif /* _BUFFER_LIST_H */
77