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

Comparing libeio/eio.h (file contents):
Revision 1.50 by root, Sun Apr 1 17:22:42 2012 UTC vs.
Revision 1.53 by root, Sun Apr 14 09:43:19 2013 UTC

… …
4 * Copyright (c) 2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann <libeio@schmorp.de> 4 * Copyright (c) 2007,2008,2009,2010,2011,2012 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 *
10 * 1. Redistributions of source code must retain the above copyright notice, 10 * 1. Redistributions of source code must retain the above copyright notice,
11 * this list of conditions and the following disclaimer. 11 * this list of conditions and the following disclaimer.
12 * 12 *
13 * 2. Redistributions in binary form must reproduce the above copyright 13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the 14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution. 15 * documentation and/or other materials provided with the distribution.
16 * 16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- 18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
19 * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19 * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
20 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- 20 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
21 * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
… …
168}; 168};
169 169
170/* eio_fallocate flags */ 170/* eio_fallocate flags */
171enum 171enum
172{ 172{
173 EIO_FALLOC_FL_KEEP_SIZE = 1 /* MUST match the value in linux/falloc.h */ 173 /* these MUST match the value in linux/falloc.h */
174 EIO_FALLOC_FL_KEEP_SIZE = 1,
175 EIO_FALLOC_FL_PUNCH_HOLE = 2
174}; 176};
175 177
176/* timestamps and differences - feel free to use double in your code directly */ 178/* timestamps and differences - feel free to use double in your code directly */
177typedef double eio_tstamp; 179typedef double eio_tstamp;
178 180
… …
193 EIO_GROUP, EIO_NOP, 195 EIO_GROUP, EIO_NOP,
194 EIO_BUSY, 196 EIO_BUSY,
195 197
196 /* these use wd + ptr1, but are emulated */ 198 /* these use wd + ptr1, but are emulated */
197 EIO_REALPATH, 199 EIO_REALPATH,
198 EIO_STATVFS,
199 EIO_READDIR, 200 EIO_READDIR,
200 201
201 /* all the following requests use wd + ptr1 as path in xxxat functions */ 202 /* all the following requests use wd + ptr1 as path in xxxat functions */
202 EIO_OPEN, 203 EIO_OPEN,
203 EIO_STAT, EIO_LSTAT, 204 EIO_STAT, EIO_LSTAT, EIO_STATVFS,
204 EIO_TRUNCATE, 205 EIO_TRUNCATE,
205 EIO_UTIME, 206 EIO_UTIME,
206 EIO_CHMOD, 207 EIO_CHMOD,
207 EIO_CHOWN, 208 EIO_CHOWN,
208 EIO_UNLINK, EIO_RMDIR, EIO_MKDIR, EIO_RENAME, 209 EIO_UNLINK, EIO_RMDIR, EIO_MKDIR, EIO_RENAME,
… …
253 void *ptr1; /* all applicable requests: pathname, old name; readdir: optional eio_dirents */ 254 void *ptr1; /* all applicable requests: pathname, old name; readdir: optional eio_dirents */
254 void *ptr2; /* all applicable requests: new name or memory buffer; readdir: name strings */ 255 void *ptr2; /* all applicable requests: new name or memory buffer; readdir: name strings */
255 eio_tstamp nv1; /* utime, futime: atime; busy: sleep time */ 256 eio_tstamp nv1; /* utime, futime: atime; busy: sleep time */
256 eio_tstamp nv2; /* utime, futime: mtime */ 257 eio_tstamp nv2; /* utime, futime: mtime */
257 258
258 int type; /* EIO_xxx constant ETP */
259 int int1; /* all applicable requests: file descriptor; sendfile: output fd; open, msync, mlockall, readdir: flags */ 259 int int1; /* all applicable requests: file descriptor; sendfile: output fd; open, msync, mlockall, readdir: flags */
260 long int2; /* chown, fchown: uid; sendfile: input fd; open, chmod, mkdir, mknod: file mode, seek: whence, sync_file_range, fallocate: flags */ 260 long int2; /* chown, fchown: uid; sendfile: input fd; open, chmod, mkdir, mknod: file mode, seek: whence, sync_file_range, fallocate: flags */
261 long int3; /* chown, fchown: gid; rename, link: working directory of new name */ 261 long int3; /* chown, fchown: gid; rename, link: working directory of new name */
262 int errorno; /* errno value on syscall return */ 262 int errorno; /* errno value on syscall return */
263 263
264 signed char type;/* EIO_xxx constant ETP */
265
264#if __i386 || __amd64 266#if __i386 || __amd64
265 unsigned char cancelled; 267 unsigned char cancelled; /* ETP */
266#else 268#else
267 sig_atomic_t cancelled; 269 sig_atomic_t cancelled; /* ETP */
268#endif 270#endif
269 271
270 unsigned char flags; /* private */ 272 unsigned char flags; /* private */
271 signed char pri; /* the priority */ 273 signed char pri; /* the priority */
272 274
… …
275 void (*destroy)(eio_req *req); /* called when request no longer needed */ 277 void (*destroy)(eio_req *req); /* called when request no longer needed */
276 void (*feed)(eio_req *req); /* only used for group requests */ 278 void (*feed)(eio_req *req); /* only used for group requests */
277 279
278 EIO_REQ_MEMBERS 280 EIO_REQ_MEMBERS
279 281
280 eio_req *grp, *grp_prev, *grp_next, *grp_first; /* private */ 282 eio_req *grp, *grp_prev, *grp_next, *grp_first; /* private ETP */
281}; 283};
282 284
283/* _private_ request flags */ 285/* _private_ request flags */
284enum { 286enum {
285 EIO_FLAG_PTR1_FREE = 0x01, /* need to free(ptr1) */ 287 EIO_FLAG_PTR1_FREE = 0x01, /* need to free(ptr1) */

Diff Legend

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