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Comparing libeio/eio.h (file contents):
Revision 1.57 by root, Tue Feb 23 19:42:44 2016 UTC vs.
Revision 1.61 by root, Sat Jan 6 01:04:43 2018 UTC

1/* 1/*
2 * libeio API header 2 * libeio API header
3 * 3 *
4 * Copyright (c) 2007,2008,2009,2010,2011,2012,2015,2016 Marc Alexander Lehmann <libeio@schmorp.de> 4 * Copyright (c) 2007,2008,2009,2010,2011,2012,2015,2016,2017 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 *
… …
172{ 172{
173 /* these MUST match the value in linux/falloc.h */ 173 /* these MUST match the value in linux/falloc.h */
174 EIO_FALLOC_FL_KEEP_SIZE = 0x01, 174 EIO_FALLOC_FL_KEEP_SIZE = 0x01,
175 EIO_FALLOC_FL_PUNCH_HOLE = 0x02, 175 EIO_FALLOC_FL_PUNCH_HOLE = 0x02,
176 EIO_FALLOC_FL_COLLAPSE_RANGE = 0x08, 176 EIO_FALLOC_FL_COLLAPSE_RANGE = 0x08,
177 EIO_FALLOC_FL_ZERO_RANGE = 0x10 177 EIO_FALLOC_FL_ZERO_RANGE = 0x10,
178 EIO_FALLOC_FL_INSERT_RANGE = 0x20,
179 EIO_FALLOC_FL_UNSHARE_RANGE = 0x40
180};
181
182/* eio_rename flags */
183enum
184{
185 /* these MUST match the value in linux/fs.h */
186 EIO_RENAME_NOREPLACE = 1 << 0,
187 EIO_RENAME_EXCHANGE = 1 << 1,
188 EIO_RENAME_WHITEOUT = 1 << 2
178}; 189};
179 190
180/* timestamps and differences - feel free to use double in your code directly */ 191/* timestamps and differences - feel free to use double in your code directly */
181typedef double eio_tstamp; 192typedef double eio_tstamp;
182 193
… …
209 EIO_CHMOD, 220 EIO_CHMOD,
210 EIO_CHOWN, 221 EIO_CHOWN,
211 EIO_UNLINK, EIO_RMDIR, EIO_MKDIR, EIO_RENAME, 222 EIO_UNLINK, EIO_RMDIR, EIO_MKDIR, EIO_RENAME,
212 EIO_MKNOD, 223 EIO_MKNOD,
213 EIO_LINK, EIO_SYMLINK, EIO_READLINK, 224 EIO_LINK, EIO_SYMLINK, EIO_READLINK,
225 EIO_SLURP, /* open + read + close */
214 226
215 EIO_REQ_TYPE_NUM 227 EIO_REQ_TYPE_NUM
216}; 228};
217 229
218/* seek whence modes */ 230/* seek whence modes */
… …
249 eio_req volatile *next; /* private ETP */ 261 eio_req volatile *next; /* private ETP */
250 262
251 eio_wd wd; /* all applicable requests: working directory of pathname, old name; wd_open: return wd */ 263 eio_wd wd; /* all applicable requests: working directory of pathname, old name; wd_open: return wd */
252 264
253 eio_ssize_t result; /* result of syscall, e.g. result = read (... */ 265 eio_ssize_t result; /* result of syscall, e.g. result = read (... */
254 off_t offs; /* read, write, truncate, readahead, sync_file_range, fallocate: file offset, mknod: dev_t */ 266 off_t offs; /* read, write, truncate, readahead, sync_file_range, fallocate, slurp: file offset, mknod: dev_t */
255 size_t size; /* read, write, readahead, sendfile, msync, mlock, sync_file_range, fallocate: length */ 267 size_t size; /* read, write, readahead, sendfile, msync, mlock, sync_file_range, fallocate, slurp: length */
256 void *ptr1; /* all applicable requests: pathname, old name, readdir: optional eio_dirents */ 268 void *ptr1; /* all applicable requests: pathname, old name, readdir: optional eio_dirents */
257 void *ptr2; /* all applicable requests: new name or memory buffer; readdir: name strings */ 269 void *ptr2; /* all applicable requests: new name or memory buffer; readdir: name strings */
258 eio_tstamp nv1; /* utime, futime: atime; busy: sleep time */ 270 eio_tstamp nv1; /* utime, futime: atime; busy: sleep time */
259 eio_tstamp nv2; /* utime, futime: mtime */ 271 eio_tstamp nv2; /* utime, futime: mtime */
260 272
261 int int1; /* all applicable requests: file descriptor; sendfile: output fd; open, msync, mlockall, readdir: flags */ 273 int int1; /* all applicable requests: file descriptor; sendfile: output fd; open, msync, mlockall, readdir: flags */
262 long int2; /* chown, fchown: uid; sendfile: input fd; open, chmod, mkdir, mknod: file mode, seek: whence, fcntl, ioctl: request, sync_file_range, fallocate: flags */ 274 long int2; /* chown, fchown: uid; sendfile: input fd; open, chmod, mkdir, mknod: file mode, seek: whence, fcntl, ioctl: request, sync_file_range, fallocate, rename: flags */
263 long int3; /* chown, fchown: gid; rename, link: working directory of new name */ 275 long int3; /* chown, fchown: gid; rename, link: working directory of new name */
264 int errorno; /* errno value on syscall return */ 276 int errorno; /* errno value on syscall return */
265 277
266 unsigned char flags; /* private */ 278 unsigned char flags; /* private */
267 279
… …
321unsigned int eio_npending (void); /* number of finished but unhandled requests */ 333unsigned int eio_npending (void); /* number of finished but unhandled requests */
322unsigned int eio_nthreads (void); /* number of worker threads in use currently */ 334unsigned int eio_nthreads (void); /* number of worker threads in use currently */
323 335
324/*****************************************************************************/ 336/*****************************************************************************/
325/* convenience wrappers */ 337/* convenience wrappers */
338/* these do not expose advanced syscalls and directory fds */
326 339
327#ifndef EIO_NO_WRAPPERS 340#ifndef EIO_NO_WRAPPERS
328eio_req *eio_wd_open (const char *path, int pri, eio_cb cb, void *data); /* result=wd */ 341eio_req *eio_wd_open (const char *path, int pri, eio_cb cb, void *data); /* result=wd */
329eio_req *eio_wd_close (eio_wd wd, int pri, eio_cb cb, void *data); 342eio_req *eio_wd_close (eio_wd wd, int pri, eio_cb cb, void *data);
330eio_req *eio_nop (int pri, eio_cb cb, void *data); /* does nothing except go through the whole process */ 343eio_req *eio_nop (int pri, eio_cb cb, void *data); /* does nothing except go through the whole process */
… …
370eio_req *eio_statvfs (const char *path, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */ 383eio_req *eio_statvfs (const char *path, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */
371eio_req *eio_mknod (const char *path, mode_t mode, dev_t dev, int pri, eio_cb cb, void *data); 384eio_req *eio_mknod (const char *path, mode_t mode, dev_t dev, int pri, eio_cb cb, void *data);
372eio_req *eio_link (const char *path, const char *new_path, int pri, eio_cb cb, void *data); 385eio_req *eio_link (const char *path, const char *new_path, int pri, eio_cb cb, void *data);
373eio_req *eio_symlink (const char *path, const char *new_path, int pri, eio_cb cb, void *data); 386eio_req *eio_symlink (const char *path, const char *new_path, int pri, eio_cb cb, void *data);
374eio_req *eio_rename (const char *path, const char *new_path, int pri, eio_cb cb, void *data); 387eio_req *eio_rename (const char *path, const char *new_path, int pri, eio_cb cb, void *data);
388eio_req *eio_slurp (const char *path, void *buf, size_t length, off_t offset, int pri, eio_cb cb, void *data);
375eio_req *eio_custom (void (*execute)(eio_req *), int pri, eio_cb cb, void *data); 389eio_req *eio_custom (void (*execute)(eio_req *), int pri, eio_cb cb, void *data);
376#endif 390#endif
377 391
378/*****************************************************************************/ 392/*****************************************************************************/
379/* groups */ 393/* groups */

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