ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/libeio/eio.h
(Generate patch)

Comparing libeio/eio.h (file contents):
Revision 1.24 by root, Mon Jun 15 05:34:49 2009 UTC vs.
Revision 1.26 by root, Thu Jan 7 18:08:21 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 *
… …
58 58
59#ifndef EIO_STRUCT_STAT 59#ifndef EIO_STRUCT_STAT
60# define EIO_STRUCT_STAT struct stat 60# define EIO_STRUCT_STAT struct stat
61#endif 61#endif
62 62
63#ifndef EIO_STRUCT_STATVFS
64# define EIO_STRUCT_STATVFS struct statvfs
65#endif
66
63/* for readdir */ 67/* for readdir */
64 68
65/* eio_readdir flags */ 69/* eio_readdir flags */
66enum { 70enum {
67 EIO_READDIR_DENTS = 0x01, /* ptr2 contains eio_dirents, not just the (unsorted) names */ 71 EIO_READDIR_DENTS = 0x01, /* ptr2 contains eio_dirents, not just the (unsorted) names */
… …
100 unsigned char type; /* one of EIO_DT_* */ 104 unsigned char type; /* one of EIO_DT_* */
101 signed char score; /* internal use */ 105 signed char score; /* internal use */
102 ino_t inode; /* the inode number, if available, otherwise unspecified */ 106 ino_t inode; /* the inode number, if available, otherwise unspecified */
103}; 107};
104 108
109/* eio_msync flags */
110enum {
111 EIO_MS_ASYNC = 1,
112 EIO_MS_INVALIDATE = 2,
113 EIO_MS_SYNC = 4
114};
115
116/* eio_mtouch flags */
117
118enum {
119 EIO_MT_MODIFY = 1
120};
121
105/* eio_sync_file_range flags */ 122/* eio_sync_file_range flags */
106 123
107enum { 124enum {
108 EIO_SYNC_FILE_RANGE_WAIT_BEFORE = 1, 125 EIO_SYNC_FILE_RANGE_WAIT_BEFORE = 1,
109 EIO_SYNC_FILE_RANGE_WRITE = 2, 126 EIO_SYNC_FILE_RANGE_WRITE = 2,
… …
118 EIO_CUSTOM, 135 EIO_CUSTOM,
119 EIO_OPEN, EIO_CLOSE, EIO_DUP2, 136 EIO_OPEN, EIO_CLOSE, EIO_DUP2,
120 EIO_READ, EIO_WRITE, 137 EIO_READ, EIO_WRITE,
121 EIO_READAHEAD, EIO_SENDFILE, 138 EIO_READAHEAD, EIO_SENDFILE,
122 EIO_STAT, EIO_LSTAT, EIO_FSTAT, 139 EIO_STAT, EIO_LSTAT, EIO_FSTAT,
140 EIO_STATVFS, EIO_FSTATVFS,
123 EIO_TRUNCATE, EIO_FTRUNCATE, 141 EIO_TRUNCATE, EIO_FTRUNCATE,
124 EIO_UTIME, EIO_FUTIME, 142 EIO_UTIME, EIO_FUTIME,
125 EIO_CHMOD, EIO_FCHMOD, 143 EIO_CHMOD, EIO_FCHMOD,
126 EIO_CHOWN, EIO_FCHOWN, 144 EIO_CHOWN, EIO_FCHOWN,
127 EIO_SYNC, EIO_FSYNC, EIO_FDATASYNC, 145 EIO_SYNC, EIO_FSYNC, EIO_FDATASYNC,
… …
224eio_req *eio_close (int fd, int pri, eio_cb cb, void *data); 242eio_req *eio_close (int fd, int pri, eio_cb cb, void *data);
225eio_req *eio_readahead (int fd, off_t offset, size_t length, int pri, eio_cb cb, void *data); 243eio_req *eio_readahead (int fd, off_t offset, size_t length, int pri, eio_cb cb, void *data);
226eio_req *eio_read (int fd, void *buf, size_t length, off_t offset, int pri, eio_cb cb, void *data); 244eio_req *eio_read (int fd, void *buf, size_t length, off_t offset, int pri, eio_cb cb, void *data);
227eio_req *eio_write (int fd, void *buf, size_t length, off_t offset, int pri, eio_cb cb, void *data); 245eio_req *eio_write (int fd, void *buf, size_t length, off_t offset, int pri, eio_cb cb, void *data);
228eio_req *eio_fstat (int fd, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */ 246eio_req *eio_fstat (int fd, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */
247eio_req *eio_fstatvfs (int fd, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */
229eio_req *eio_futime (int fd, eio_tstamp atime, eio_tstamp mtime, int pri, eio_cb cb, void *data); 248eio_req *eio_futime (int fd, eio_tstamp atime, eio_tstamp mtime, int pri, eio_cb cb, void *data);
230eio_req *eio_ftruncate (int fd, off_t offset, int pri, eio_cb cb, void *data); 249eio_req *eio_ftruncate (int fd, off_t offset, int pri, eio_cb cb, void *data);
231eio_req *eio_fchmod (int fd, mode_t mode, int pri, eio_cb cb, void *data); 250eio_req *eio_fchmod (int fd, mode_t mode, int pri, eio_cb cb, void *data);
232eio_req *eio_fchown (int fd, uid_t uid, gid_t gid, int pri, eio_cb cb, void *data); 251eio_req *eio_fchown (int fd, uid_t uid, gid_t gid, int pri, eio_cb cb, void *data);
233eio_req *eio_dup2 (int fd, int fd2, int pri, eio_cb cb, void *data); 252eio_req *eio_dup2 (int fd, int fd2, int pri, eio_cb cb, void *data);
… …
242eio_req *eio_rmdir (const char *path, int pri, eio_cb cb, void *data); 261eio_req *eio_rmdir (const char *path, int pri, eio_cb cb, void *data);
243eio_req *eio_unlink (const char *path, int pri, eio_cb cb, void *data); 262eio_req *eio_unlink (const char *path, int pri, eio_cb cb, void *data);
244eio_req *eio_readlink (const char *path, int pri, eio_cb cb, void *data); /* result=ptr2 allocated dynamically */ 263eio_req *eio_readlink (const char *path, int pri, eio_cb cb, void *data); /* result=ptr2 allocated dynamically */
245eio_req *eio_stat (const char *path, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */ 264eio_req *eio_stat (const char *path, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */
246eio_req *eio_lstat (const char *path, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */ 265eio_req *eio_lstat (const char *path, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */
266eio_req *eio_statvfs (const char *path, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */
247eio_req *eio_mknod (const char *path, mode_t mode, dev_t dev, int pri, eio_cb cb, void *data); 267eio_req *eio_mknod (const char *path, mode_t mode, dev_t dev, int pri, eio_cb cb, void *data);
248eio_req *eio_link (const char *path, const char *new_path, int pri, eio_cb cb, void *data); 268eio_req *eio_link (const char *path, const char *new_path, int pri, eio_cb cb, void *data);
249eio_req *eio_symlink (const char *path, const char *new_path, int pri, eio_cb cb, void *data); 269eio_req *eio_symlink (const char *path, const char *new_path, int pri, eio_cb cb, void *data);
250eio_req *eio_rename (const char *path, const char *new_path, int pri, eio_cb cb, void *data); 270eio_req *eio_rename (const char *path, const char *new_path, int pri, eio_cb cb, void *data);
251eio_req *eio_custom (eio_cb execute, int pri, eio_cb cb, void *data); 271eio_req *eio_custom (eio_cb execute, int pri, eio_cb cb, void *data);
… …
262 282
263/*****************************************************************************/ 283/*****************************************************************************/
264/* request api */ 284/* request api */
265 285
266/* true if the request was cancelled, useful in the invoke callback */ 286/* true if the request was cancelled, useful in the invoke callback */
267#define EIO_CANCELLED(req) ((req)->flags & EIO_FLAG_CANCELLED) 287#define EIO_CANCELLED(req) ((req)->flags & EIO_FLAG_CANCELLED)
268 288
269#define EIO_RESULT(req) ((req)->result) 289#define EIO_RESULT(req) ((req)->result)
270/* returns a pointer to the result buffer allocated by eio */ 290/* returns a pointer to the result buffer allocated by eio */
271#define EIO_BUF(req) ((req)->ptr2) 291#define EIO_BUF(req) ((req)->ptr2)
272#define EIO_STAT_BUF(req) ((EIO_STRUCT_STAT *)EIO_BUF(req)) 292#define EIO_STAT_BUF(req) ((EIO_STRUCT_STAT *)EIO_BUF(req))
293#define EIO_STATVFS_BUF(req) ((EIO_STRUCT_STATVFS *)EIO_BUF(req))
273#define EIO_PATH(req) ((char *)(req)->ptr1) 294#define EIO_PATH(req) ((char *)(req)->ptr1)
274 295
275/* submit a request for execution */ 296/* submit a request for execution */
276void eio_submit (eio_req *req); 297void eio_submit (eio_req *req);
277/* cancel a request as soon fast as possible, if possible */ 298/* cancel a request as soon fast as possible, if possible */
278void eio_cancel (eio_req *req); 299void eio_cancel (eio_req *req);

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines