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Comparing libeio/eio.h (file contents):
Revision 1.58 by root, Fri Jun 23 03:10:19 2017 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
178}; 180};
179 181
180/* eio_rename flags */ 182/* eio_rename flags */
181enum 183enum
182{ 184{
218 EIO_CHMOD, 220 EIO_CHMOD,
219 EIO_CHOWN, 221 EIO_CHOWN,
220 EIO_UNLINK, EIO_RMDIR, EIO_MKDIR, EIO_RENAME, 222 EIO_UNLINK, EIO_RMDIR, EIO_MKDIR, EIO_RENAME,
221 EIO_MKNOD, 223 EIO_MKNOD,
222 EIO_LINK, EIO_SYMLINK, EIO_READLINK, 224 EIO_LINK, EIO_SYMLINK, EIO_READLINK,
225 EIO_SLURP, /* open + read + close */
223 226
224 EIO_REQ_TYPE_NUM 227 EIO_REQ_TYPE_NUM
225}; 228};
226 229
227/* seek whence modes */ 230/* seek whence modes */
258 eio_req volatile *next; /* private ETP */ 261 eio_req volatile *next; /* private ETP */
259 262
260 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 */
261 264
262 eio_ssize_t result; /* result of syscall, e.g. result = read (... */ 265 eio_ssize_t result; /* result of syscall, e.g. result = read (... */
263 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 */
264 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 */
265 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 */
266 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 */
267 eio_tstamp nv1; /* utime, futime: atime; busy: sleep time */ 270 eio_tstamp nv1; /* utime, futime: atime; busy: sleep time */
268 eio_tstamp nv2; /* utime, futime: mtime */ 271 eio_tstamp nv2; /* utime, futime: mtime */
269 272
330unsigned int eio_npending (void); /* number of finished but unhandled requests */ 333unsigned int eio_npending (void); /* number of finished but unhandled requests */
331unsigned int eio_nthreads (void); /* number of worker threads in use currently */ 334unsigned int eio_nthreads (void); /* number of worker threads in use currently */
332 335
333/*****************************************************************************/ 336/*****************************************************************************/
334/* convenience wrappers */ 337/* convenience wrappers */
338/* these do not expose advanced syscalls and directory fds */
335 339
336#ifndef EIO_NO_WRAPPERS 340#ifndef EIO_NO_WRAPPERS
337eio_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 */
338eio_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);
339eio_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 */
379eio_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 */
380eio_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);
381eio_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);
382eio_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);
383eio_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);
384eio_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);
385#endif 390#endif
386 391
387/*****************************************************************************/ 392/*****************************************************************************/
388/* groups */ 393/* groups */

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