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Comparing libeio/eio.h (file contents):
Revision 1.20 by root, Sat Jun 6 18:06:55 2009 UTC vs.
Revision 1.25 by root, Sat Jan 2 14:11:32 2010 UTC

1/* 1/*
2 * libeio API header 2 * libeio API header
3 * 3 *
4 * Copyright (c) 2007,2008,2009 Marc Alexander Lehmann <libeio@schmorp.de> 4 * Copyright (c) 2007,2008,2009,2010 Marc Alexander Lehmann <libeio@schmorp.de>
5 * All rights reserved. 5 * All rights reserved.
6 * 6 *
7 * Redistribution and use in source and binary forms, with or without modifica- 7 * Redistribution and use in source and binary forms, with or without modifica-
8 * tion, are permitted provided that the following conditions are met: 8 * tion, are permitted provided that the following conditions are met:
9 * 9 *
… …
76/* using "typical" values in the hope that the compiler will do something sensible */ 76/* using "typical" values in the hope that the compiler will do something sensible */
77enum eio_dtype { 77enum eio_dtype {
78 EIO_DT_UNKNOWN = 0, 78 EIO_DT_UNKNOWN = 0,
79 EIO_DT_FIFO = 1, 79 EIO_DT_FIFO = 1,
80 EIO_DT_CHR = 2, 80 EIO_DT_CHR = 2,
81 EIO_DT_MPC = 3, /* multiplexed char device (v7+coherent) */
81 EIO_DT_DIR = 4, 82 EIO_DT_DIR = 4,
83 EIO_DT_NAM = 5, /* xenix special named file */
82 EIO_DT_BLK = 6, 84 EIO_DT_BLK = 6,
85 EIO_DT_MPB = 7, /* multiplexed block device (v7+coherent) */
83 EIO_DT_REG = 8, 86 EIO_DT_REG = 8,
87 EIO_DT_NWK = 9, /* HP-UX network special */
88 EIO_DT_CMP = 9, /* VxFS compressed */
84 EIO_DT_LNK = 10, 89 EIO_DT_LNK = 10,
90 /* DT_SHAD = 11,*/
85 EIO_DT_SOCK = 12, 91 EIO_DT_SOCK = 12,
92 EIO_DT_DOOR = 13, /* solaris door */
86 EIO_DT_WHT = 14, 93 EIO_DT_WHT = 14,
87 EIO_DT_MAX = 15 /* highest DT_VALUE ever, hopefully */ 94 EIO_DT_MAX = 15 /* highest DT_VALUE ever, hopefully */
88}; 95};
89 96
90struct eio_dirent { 97struct eio_dirent {
91 char *name; 98 int nameofs; /* offset of null-terminated name string in (char *)req->ptr2 */
92 ino_t inode; 99 unsigned short namelen; /* size of filename without trailing 0 */
93 unsigned short namelen; 100 unsigned char type; /* one of EIO_DT_* */
94 unsigned char type;
95 unsigned char score; /* internal use */ 101 signed char score; /* internal use */
96 /* 0-4 bytes padding */ 102 ino_t inode; /* the inode number, if available, otherwise unspecified */
103};
104
105/* eio_msync flags */
106enum {
107 EIO_MS_ASYNC = 1,
108 EIO_MS_INVALIDATE = 2,
109 EIO_MS_SYNC = 4
110};
111
112/* eio_mtouch flags */
113
114enum {
115 EIO_MT_MODIFY = 1
97}; 116};
98 117
99/* eio_sync_file_range flags */ 118/* eio_sync_file_range flags */
100 119
101enum { 120enum {
… …
135 eio_req volatile *next; /* private ETP */ 154 eio_req volatile *next; /* private ETP */
136 155
137 ssize_t result; /* result of syscall, e.g. result = read (... */ 156 ssize_t result; /* result of syscall, e.g. result = read (... */
138 off_t offs; /* read, write, truncate, readahead, sync_file_range: file offset */ 157 off_t offs; /* read, write, truncate, readahead, sync_file_range: file offset */
139 size_t size; /* read, write, readahead, sendfile, msync, sync_file_range: length */ 158 size_t size; /* read, write, readahead, sendfile, msync, sync_file_range: length */
140 void *ptr1; /* all applicable requests: pathname, old name; readdir: possible output memory buffer */ 159 void *ptr1; /* all applicable requests: pathname, old name; readdir: optional eio_dirents */
141 void *ptr2; /* all applicable requests: new name or memory buffer */ 160 void *ptr2; /* all applicable requests: new name or memory buffer; readdir: name strings */
142 eio_tstamp nv1; /* utime, futime: atime; busy: sleep time */ 161 eio_tstamp nv1; /* utime, futime: atime; busy: sleep time */
143 eio_tstamp nv2; /* utime, futime: mtime */ 162 eio_tstamp nv2; /* utime, futime: mtime */
144 163
145 int type; /* EIO_xxx constant ETP */ 164 int type; /* EIO_xxx constant ETP */
146 int int1; /* all applicable requests: file descriptor; sendfile: output fd; open, msync, readdir: flags */ 165 int int1; /* all applicable requests: file descriptor; sendfile: output fd; open, msync, readdir: flags */

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