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Comparing libeio/eio.h (file contents):
Revision 1.56 by root, Thu Jun 25 17:05:07 2015 UTC vs.
Revision 1.59 by root, Fri Jun 23 03:23:19 2017 UTC

1/* 1/*
2 * libeio API header 2 * libeio API header
3 * 3 *
4 * Copyright (c) 2007,2008,2009,2010,2011,2012,2015 Marc Alexander Lehmann <libeio@schmorp.de> 4 * Copyright (c) 2007,2008,2009,2010,2011,2012,2015,2016 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 *
… …
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}; 178};
179 179
180/* eio_rename flags */
181enum
182{
183 /* these MUST match the value in linux/fs.h */
184 EIO_RENAME_NOREPLACE = 1 << 0,
185 EIO_RENAME_EXCHANGE = 1 << 1,
186 EIO_RENAME_WHITEOUT = 1 << 2
187};
188
180/* timestamps and differences - feel free to use double in your code directly */ 189/* timestamps and differences - feel free to use double in your code directly */
181typedef double eio_tstamp; 190typedef double eio_tstamp;
182 191
183/* the eio request structure */ 192/* the eio request structure */
184enum 193enum
185{ 194{
186 EIO_CUSTOM, 195 EIO_CUSTOM,
187 EIO_WD_OPEN, EIO_WD_CLOSE, 196 EIO_WD_OPEN, EIO_WD_CLOSE,
188 197
189 EIO_CLOSE, EIO_DUP2, 198 EIO_CLOSE, EIO_DUP2,
190 EIO_SEEK, EIO_READ, EIO_WRITE, 199 EIO_SEEK, EIO_READ, EIO_WRITE, EIO_FCNTL, EIO_IOCTL,
191 EIO_READAHEAD, EIO_SENDFILE, 200 EIO_READAHEAD, EIO_SENDFILE,
192 EIO_FSTAT, EIO_FSTATVFS, 201 EIO_FSTAT, EIO_FSTATVFS,
193 EIO_FTRUNCATE, EIO_FUTIME, EIO_FCHMOD, EIO_FCHOWN, 202 EIO_FTRUNCATE, EIO_FUTIME, EIO_FCHMOD, EIO_FCHOWN,
194 EIO_SYNC, EIO_FSYNC, EIO_FDATASYNC, EIO_SYNCFS, 203 EIO_SYNC, EIO_FSYNC, EIO_FDATASYNC, EIO_SYNCFS,
195 EIO_MSYNC, EIO_MTOUCH, EIO_SYNC_FILE_RANGE, EIO_FALLOCATE, 204 EIO_MSYNC, EIO_MTOUCH, EIO_SYNC_FILE_RANGE, EIO_FALLOCATE,
… …
251 eio_wd wd; /* all applicable requests: working directory of pathname, old name; wd_open: return wd */ 260 eio_wd wd; /* all applicable requests: working directory of pathname, old name; wd_open: return wd */
252 261
253 eio_ssize_t result; /* result of syscall, e.g. result = read (... */ 262 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 */ 263 off_t offs; /* read, write, truncate, readahead, sync_file_range, fallocate: file offset, mknod: dev_t */
255 size_t size; /* read, write, readahead, sendfile, msync, mlock, sync_file_range, fallocate: length */ 264 size_t size; /* read, write, readahead, sendfile, msync, mlock, sync_file_range, fallocate: length */
256 void *ptr1; /* all applicable requests: pathname, old name; readdir: optional eio_dirents */ 265 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 */ 266 void *ptr2; /* all applicable requests: new name or memory buffer; readdir: name strings */
258 eio_tstamp nv1; /* utime, futime: atime; busy: sleep time */ 267 eio_tstamp nv1; /* utime, futime: atime; busy: sleep time */
259 eio_tstamp nv2; /* utime, futime: mtime */ 268 eio_tstamp nv2; /* utime, futime: mtime */
260 269
261 int int1; /* all applicable requests: file descriptor; sendfile: output fd; open, msync, mlockall, readdir: flags */ 270 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, sync_file_range, fallocate: flags */ 271 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 */ 272 long int3; /* chown, fchown: gid; rename, link: working directory of new name */
264 int errorno; /* errno value on syscall return */ 273 int errorno; /* errno value on syscall return */
265 274
266 unsigned char flags; /* private */ 275 unsigned char flags; /* private */
267 276
… …
321unsigned int eio_npending (void); /* number of finished but unhandled requests */ 330unsigned int eio_npending (void); /* number of finished but unhandled requests */
322unsigned int eio_nthreads (void); /* number of worker threads in use currently */ 331unsigned int eio_nthreads (void); /* number of worker threads in use currently */
323 332
324/*****************************************************************************/ 333/*****************************************************************************/
325/* convenience wrappers */ 334/* convenience wrappers */
335/* these do not expose advanced syscalls and directory fds */
326 336
327#ifndef EIO_NO_WRAPPERS 337#ifndef EIO_NO_WRAPPERS
328eio_req *eio_wd_open (const char *path, int pri, eio_cb cb, void *data); /* result=wd */ 338eio_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); 339eio_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 */ 340eio_req *eio_nop (int pri, eio_cb cb, void *data); /* does nothing except go through the whole process */
… …
342eio_req *eio_close (int fd, int pri, eio_cb cb, void *data); 352eio_req *eio_close (int fd, int pri, eio_cb cb, void *data);
343eio_req *eio_readahead (int fd, off_t offset, size_t length, int pri, eio_cb cb, void *data); 353eio_req *eio_readahead (int fd, off_t offset, size_t length, int pri, eio_cb cb, void *data);
344eio_req *eio_seek (int fd, off_t offset, int whence, int pri, eio_cb cb, void *data); 354eio_req *eio_seek (int fd, off_t offset, int whence, int pri, eio_cb cb, void *data);
345eio_req *eio_read (int fd, void *buf, size_t length, off_t offset, int pri, eio_cb cb, void *data); 355eio_req *eio_read (int fd, void *buf, size_t length, off_t offset, int pri, eio_cb cb, void *data);
346eio_req *eio_write (int fd, void *buf, size_t length, off_t offset, int pri, eio_cb cb, void *data); 356eio_req *eio_write (int fd, void *buf, size_t length, off_t offset, int pri, eio_cb cb, void *data);
357eio_req *eio_fcntl (int fd, int cmd, void *arg, int pri, eio_cb cb, void *data);
358eio_req *eio_ioctl (int fd, unsigned long request, void *buf, int pri, eio_cb cb, void *data);
347eio_req *eio_fstat (int fd, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */ 359eio_req *eio_fstat (int fd, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */
348eio_req *eio_fstatvfs (int fd, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */ 360eio_req *eio_fstatvfs (int fd, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */
349eio_req *eio_futime (int fd, eio_tstamp atime, eio_tstamp mtime, int pri, eio_cb cb, void *data); 361eio_req *eio_futime (int fd, eio_tstamp atime, eio_tstamp mtime, int pri, eio_cb cb, void *data);
350eio_req *eio_ftruncate (int fd, off_t offset, int pri, eio_cb cb, void *data); 362eio_req *eio_ftruncate (int fd, off_t offset, int pri, eio_cb cb, void *data);
351eio_req *eio_fchmod (int fd, mode_t mode, int pri, eio_cb cb, void *data); 363eio_req *eio_fchmod (int fd, mode_t mode, int pri, eio_cb cb, void *data);

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