xref: /illumos-gate/usr/src/uts/common/sys/port.h (revision e4d060fb4c00d44cd578713eb9a921f594b733b8)
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 (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef	_SYS_PORT_H
28 #define	_SYS_PORT_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 /* port sources */
39 #define	PORT_SOURCE_AIO		1
40 #define	PORT_SOURCE_TIMER	2
41 #define	PORT_SOURCE_USER	3
42 #define	PORT_SOURCE_FD		4
43 #define	PORT_SOURCE_ALERT	5
44 #define	PORT_SOURCE_MQ		6
45 #define	PORT_SOURCE_FILE	7
46 
47 typedef struct port_event {
48 	int		portev_events;	/* event data is source specific */
49 	ushort_t	portev_source;	/* event source */
50 	ushort_t	portev_pad;	/* port internal use */
51 	uintptr_t	portev_object;	/* source specific object */
52 	void		*portev_user;	/* user cookie */
53 } port_event_t;
54 
55 typedef	struct	port_notify {
56 	int		portnfy_port;	/* bind request(s) to port */
57 	void		*portnfy_user;	/* user defined */
58 } port_notify_t;
59 
60 
61 typedef struct file_obj {
62 	timestruc_t	fo_atime;	/* Access time from stat(2) */
63 	timestruc_t	fo_mtime;	/* Modification time from stat(2) */
64 	timestruc_t	fo_ctime;	/* Change time from stat(2) */
65 	uintptr_t	fo_pad[3];	/* For future expansion */
66 	char		*fo_name;	/* Null terminated file name */
67 } file_obj_t;
68 
69 #if defined(_SYSCALL32)
70 
71 typedef struct file_obj32 {
72 	timestruc32_t	fo_atime;	/* Access time got from stat(2) */
73 	timestruc32_t	fo_mtime;	/* Modification time from stat(2) */
74 	timestruc32_t	fo_ctime;	/* Change time from stat(2) */
75 	caddr32_t	fo_pad[3];	/* For future expansion */
76 	caddr32_t	fo_name;	/* Null terminated file name */
77 } file_obj32_t;
78 
79 typedef struct port_event32 {
80 	int		portev_events;	/* events detected */
81 	ushort_t	portev_source;	/* user, timer, aio, etc */
82 	ushort_t	portev_pad;	/* reserved */
83 	caddr32_t	portev_object;	/* fd, timerid, ... */
84 	caddr32_t	portev_user;	/* user cookie */
85 } port_event32_t;
86 
87 typedef	struct	port_notify32 {
88 	int		portnfy_port;	/* bind request(s) to port */
89 	caddr32_t 	portnfy_user;	/* user defined */
90 } port_notify32_t;
91 
92 #endif /* _SYSCALL32 */
93 
94 /* port_alert() flags */
95 #define	PORT_ALERT_SET		0x01
96 #define	PORT_ALERT_UPDATE	0x02
97 #define	PORT_ALERT_INVALID	(PORT_ALERT_SET | PORT_ALERT_UPDATE)
98 
99 /*
100  * PORT_SOURCE_FILE - events
101  */
102 
103 /*
104  * User watchable file events
105  */
106 #define	FILE_ACCESS		0x00000001
107 #define	FILE_MODIFIED		0x00000002
108 #define	FILE_ATTRIB		0x00000004
109 #define	FILE_NOFOLLOW		0x10000000
110 
111 /*
112  * exception file events
113  */
114 
115 /*
116  * The watched file..
117  */
118 #define	FILE_DELETE		0x00000010
119 #define	FILE_RENAME_TO		0x00000020
120 #define	FILE_RENAME_FROM	0x00000040
121 /*
122  * The filesystem on which the watched file resides got
123  * unmounted.
124  */
125 #define	UNMOUNTED		0x20000000
126 /*
127  * Some other file/filesystem got mounted over the
128  * watched file/directory.
129  */
130 #define	MOUNTEDOVER		0x40000000
131 
132 /*
133  * Helper type
134  */
135 #define	FILE_EXCEPTION		(UNMOUNTED|FILE_DELETE|FILE_RENAME_TO \
136 				|FILE_RENAME_FROM|MOUNTEDOVER)
137 
138 #ifdef	__cplusplus
139 }
140 #endif
141 
142 #endif	/* _SYS_PORT_H */
143