usr/src/uts/common/sys/port.h

   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 /*
  28  * Copyright (c) 2012, Joyent, Inc. All rights reserved.
  29  */
  30
  31 #ifndef _SYS_PORT_H
  32 #define _SYS_PORT_H
  33
  34 #ifdef  __cplusplus
  35 extern "C" {
  36 #endif
  37
  38 #include <sys/types.h>
  39
  40 /* port sources */
  41 #define PORT_SOURCE_AIO         1
  42 #define PORT_SOURCE_TIMER       2
  43 #define PORT_SOURCE_USER        3
  44 #define PORT_SOURCE_FD          4
  45 #define PORT_SOURCE_ALERT       5
  46 #define PORT_SOURCE_MQ          6
  47 #define PORT_SOURCE_FILE        7
  48
  49 typedef struct port_event {
  50         int             portev_events;  /* event data is source specific */
  51         ushort_t        portev_source;  /* event source */
  52         ushort_t        portev_pad;     /* port internal use */
  53         uintptr_t       portev_object;  /* source specific object */
  54         void            *portev_user;   /* user cookie */
  55 } port_event_t;
  56
  57 typedef struct  port_notify {
  58         int             portnfy_port;   /* bind request(s) to port */
  59         void            *portnfy_user;  /* user defined */
  60 } port_notify_t;
  61
  62
  63 typedef struct file_obj {
  64         timestruc_t     fo_atime;       /* Access time from stat(2) */
  65         timestruc_t     fo_mtime;       /* Modification time from stat(2) */
  66         timestruc_t     fo_ctime;       /* Change time from stat(2) */
  67         uintptr_t       fo_pad[3];      /* For future expansion */
  68         char            *fo_name;       /* Null terminated file name */
  69 } file_obj_t;
  70
  71 #if defined(_SYSCALL32)
  72
  73 typedef struct file_obj32 {
  74         timestruc32_t   fo_atime;       /* Access time got from stat(2) */
  75         timestruc32_t   fo_mtime;       /* Modification time from stat(2) */
  76         timestruc32_t   fo_ctime;       /* Change time from stat(2) */
  77         caddr32_t       fo_pad[3];      /* For future expansion */
  78         caddr32_t       fo_name;        /* Null terminated file name */
  79 } file_obj32_t;
  80
  81 typedef struct port_event32 {
  82         int             portev_events;  /* events detected */
  83         ushort_t        portev_source;  /* user, timer, aio, etc */
  84         ushort_t        portev_pad;     /* reserved */
  85         caddr32_t       portev_object;  /* fd, timerid, ... */
  86         caddr32_t       portev_user;    /* user cookie */
  87 } port_event32_t;
  88
  89 typedef struct  port_notify32 {
  90         int             portnfy_port;   /* bind request(s) to port */
  91         caddr32_t       portnfy_user;   /* user defined */
  92 } port_notify32_t;
  93
  94 #endif /* _SYSCALL32 */
  95
  96 /* port_alert() flags */
  97 #define PORT_ALERT_SET          0x01
  98 #define PORT_ALERT_UPDATE       0x02
  99 #define PORT_ALERT_INVALID      (PORT_ALERT_SET | PORT_ALERT_UPDATE)
 100
 101 /*
 102  * PORT_SOURCE_FILE - events
 103  */
 104
 105 /*
 106  * User watchable file events
 107  */
 108 #define FILE_ACCESS             0x00000001
 109 #define FILE_MODIFIED           0x00000002
 110 #define FILE_ATTRIB             0x00000004
 111 #define FILE_TRUNC              0x00100000
 112 #define FILE_NOFOLLOW           0x10000000
 113
 114 /*
 115  * exception file events
 116  */
 117
 118 /*
 119  * The watched file..
 120  */
 121 #define FILE_DELETE             0x00000010
 122 #define FILE_RENAME_TO          0x00000020
 123 #define FILE_RENAME_FROM        0x00000040
 124 /*
 125  * The filesystem on which the watched file resides got
 126  * unmounted.
 127  */
 128 #define UNMOUNTED               0x20000000
 129 /*
 130  * Some other file/filesystem got mounted over the
 131  * watched file/directory.
 132  */
 133 #define MOUNTEDOVER             0x40000000
 134
 135 /*
 136  * Helper type
 137  */
 138 #define FILE_EXCEPTION          (UNMOUNTED|FILE_DELETE|FILE_RENAME_TO \
 139                                 |FILE_RENAME_FROM|MOUNTEDOVER)
 140
 141 #ifdef  __cplusplus
 142 }
 143 #endif
 144
 145 #endif  /* _SYS_PORT_H */