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Comparing libeio/eio.h (file contents):
Revision 1.25 by root, Sat Jan 2 14:11:32 2010 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 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 *
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,
… …
43#ifdef __cplusplus 43#ifdef __cplusplus
44extern "C" { 44extern "C" {
45#endif 45#endif
46 46
47#include <stddef.h> 47#include <stddef.h>
48#include <signal.h>
48#include <sys/types.h> 49#include <sys/types.h>
49 50
50typedef struct eio_req eio_req; 51typedef struct eio_req eio_req;
51typedef struct eio_dirent eio_dirent; 52typedef struct eio_dirent eio_dirent;
52 53
… …
55#ifndef EIO_REQ_MEMBERS 56#ifndef EIO_REQ_MEMBERS
56# define EIO_REQ_MEMBERS 57# define EIO_REQ_MEMBERS
57#endif 58#endif
58 59
59#ifndef EIO_STRUCT_STAT 60#ifndef EIO_STRUCT_STAT
61# ifdef _WIN32
62# define EIO_STRUCT_STAT struct _stati64
63# define EIO_STRUCT_STATI64
64# else
60# define EIO_STRUCT_STAT struct stat 65# define EIO_STRUCT_STAT struct stat
61#endif 66# endif
67#endif
68
69#ifdef _WIN32
70 typedef int eio_uid_t;
71 typedef int eio_gid_t;
72 #ifdef __MINGW32__ /* no intptr_t */
73 typedef ssize_t eio_ssize_t;
74 #else
75 typedef intptr_t eio_ssize_t; /* or SSIZE_T */
76 #endif
77 #if __GNUC__
78 typedef long long eio_ino_t; /* signed for compatibility to msvc */
79 #else
80 typedef __int64 eio_ino_t; /* unsigned not supported by msvc */
81 #endif
82#else
83 typedef uid_t eio_uid_t;
84 typedef gid_t eio_gid_t;
85 typedef ssize_t eio_ssize_t;
86 typedef ino_t eio_ino_t;
87#endif
88
89#ifndef EIO_STRUCT_STATVFS
90# define EIO_STRUCT_STATVFS struct statvfs
91#endif
92
93/* managing working directories */
94
95typedef struct eio_pwd *eio_wd;
96
97#define EIO_CWD 0 /* the current working directory of the process, guaranteed to be a null pointer */
98#define EIO_INVALID_WD ((eio_wd)(int)-1) /* failure return for eio_wd_open */
99
100eio_wd eio_wd_open_sync (eio_wd wd, const char *path);
101void eio_wd_close_sync (eio_wd wd);
62 102
63/* for readdir */ 103/* for readdir */
64 104
65/* eio_readdir flags */ 105/* eio_readdir flags */
66enum { 106enum
107{
67 EIO_READDIR_DENTS = 0x01, /* ptr2 contains eio_dirents, not just the (unsorted) names */ 108 EIO_READDIR_DENTS = 0x01, /* ptr2 contains eio_dirents, not just the (unsorted) names */
68 EIO_READDIR_DIRS_FIRST = 0x02, /* dirents gets sorted into a good stat() ing order to find directories first */ 109 EIO_READDIR_DIRS_FIRST = 0x02, /* dirents gets sorted into a good stat() ing order to find directories first */
69 EIO_READDIR_STAT_ORDER = 0x04, /* dirents gets sorted into a good stat() ing order to quickly stat all files */ 110 EIO_READDIR_STAT_ORDER = 0x04, /* dirents gets sorted into a good stat() ing order to quickly stat all files */
70 EIO_READDIR_FOUND_UNKNOWN = 0x80, /* set by eio_readdir when *_ARRAY was set and any TYPE=UNKNOWN's were found */ 111 EIO_READDIR_FOUND_UNKNOWN = 0x80, /* set by eio_readdir when *_ARRAY was set and any TYPE=UNKNOWN's were found */
71 112
72 EIO_READDIR_CUSTOM1 = 0x100, /* for use by apps */ 113 EIO_READDIR_CUSTOM1 = 0x100, /* for use by apps */
73 EIO_READDIR_CUSTOM2 = 0x200 /* for use by apps */ 114 EIO_READDIR_CUSTOM2 = 0x200 /* for use by apps */
74}; 115};
75 116
76/* using "typical" values in the hope that the compiler will do something sensible */ 117/* using "typical" values in the hope that the compiler will do something sensible */
77enum eio_dtype { 118enum eio_dtype
119{
78 EIO_DT_UNKNOWN = 0, 120 EIO_DT_UNKNOWN = 0,
79 EIO_DT_FIFO = 1, 121 EIO_DT_FIFO = 1,
80 EIO_DT_CHR = 2, 122 EIO_DT_CHR = 2,
81 EIO_DT_MPC = 3, /* multiplexed char device (v7+coherent) */ 123 EIO_DT_MPC = 3, /* multiplexed char device (v7+coherent) */
82 EIO_DT_DIR = 4, 124 EIO_DT_DIR = 4,
… …
92 EIO_DT_DOOR = 13, /* solaris door */ 134 EIO_DT_DOOR = 13, /* solaris door */
93 EIO_DT_WHT = 14, 135 EIO_DT_WHT = 14,
94 EIO_DT_MAX = 15 /* highest DT_VALUE ever, hopefully */ 136 EIO_DT_MAX = 15 /* highest DT_VALUE ever, hopefully */
95}; 137};
96 138
97struct eio_dirent { 139struct eio_dirent
140{
98 int nameofs; /* offset of null-terminated name string in (char *)req->ptr2 */ 141 int nameofs; /* offset of null-terminated name string in (char *)req->ptr2 */
99 unsigned short namelen; /* size of filename without trailing 0 */ 142 unsigned short namelen; /* size of filename without trailing 0 */
100 unsigned char type; /* one of EIO_DT_* */ 143 unsigned char type; /* one of EIO_DT_* */
101 signed char score; /* internal use */ 144 signed char score; /* internal use */
102 ino_t inode; /* the inode number, if available, otherwise unspecified */ 145 eio_ino_t inode; /* the inode number, if available, otherwise unspecified */
103}; 146};
104 147
105/* eio_msync flags */ 148/* eio_msync flags */
106enum { 149enum
150{
107 EIO_MS_ASYNC = 1, 151 EIO_MS_ASYNC = 1,
108 EIO_MS_INVALIDATE = 2, 152 EIO_MS_INVALIDATE = 2,
109 EIO_MS_SYNC = 4 153 EIO_MS_SYNC = 4
110}; 154};
111 155
112/* eio_mtouch flags */ 156/* eio_mtouch flags */
113
114enum { 157enum
158{
115 EIO_MT_MODIFY = 1 159 EIO_MT_MODIFY = 1
116}; 160};
117 161
118/* eio_sync_file_range flags */ 162/* eio_sync_file_range flags */
119
120enum { 163enum
164{
121 EIO_SYNC_FILE_RANGE_WAIT_BEFORE = 1, 165 EIO_SYNC_FILE_RANGE_WAIT_BEFORE = 1,
122 EIO_SYNC_FILE_RANGE_WRITE = 2, 166 EIO_SYNC_FILE_RANGE_WRITE = 2,
123 EIO_SYNC_FILE_RANGE_WAIT_AFTER = 4 167 EIO_SYNC_FILE_RANGE_WAIT_AFTER = 4
124}; 168};
125 169
126typedef double eio_tstamp; /* feel free to use double in your code directly */ 170/* eio_fallocate flags */
171enum
172{
173 /* these MUST match the value in linux/falloc.h */
174 EIO_FALLOC_FL_KEEP_SIZE = 0x01,
175 EIO_FALLOC_FL_PUNCH_HOLE = 0x02,
176 EIO_FALLOC_FL_COLLAPSE_RANGE = 0x08,
177 EIO_FALLOC_FL_ZERO_RANGE = 0x10
178};
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
189/* timestamps and differences - feel free to use double in your code directly */
190typedef double eio_tstamp;
127 191
128/* the eio request structure */ 192/* the eio request structure */
193enum
194{
195 EIO_CUSTOM,
196 EIO_WD_OPEN, EIO_WD_CLOSE,
197
198 EIO_CLOSE, EIO_DUP2,
199 EIO_SEEK, EIO_READ, EIO_WRITE, EIO_FCNTL, EIO_IOCTL,
200 EIO_READAHEAD, EIO_SENDFILE,
201 EIO_FSTAT, EIO_FSTATVFS,
202 EIO_FTRUNCATE, EIO_FUTIME, EIO_FCHMOD, EIO_FCHOWN,
203 EIO_SYNC, EIO_FSYNC, EIO_FDATASYNC, EIO_SYNCFS,
204 EIO_MSYNC, EIO_MTOUCH, EIO_SYNC_FILE_RANGE, EIO_FALLOCATE,
205 EIO_MLOCK, EIO_MLOCKALL,
206 EIO_GROUP, EIO_NOP,
207 EIO_BUSY,
208
209 /* these use wd + ptr1, but are emulated */
210 EIO_REALPATH,
211 EIO_READDIR,
212
213 /* all the following requests use wd + ptr1 as path in xxxat functions */
214 EIO_OPEN,
215 EIO_STAT, EIO_LSTAT, EIO_STATVFS,
216 EIO_TRUNCATE,
217 EIO_UTIME,
218 EIO_CHMOD,
219 EIO_CHOWN,
220 EIO_UNLINK, EIO_RMDIR, EIO_MKDIR, EIO_RENAME,
221 EIO_MKNOD,
222 EIO_LINK, EIO_SYMLINK, EIO_READLINK,
223
224 EIO_REQ_TYPE_NUM
225};
226
227/* seek whence modes */
228/* these are guaranteed to hasve the traditional 0, 1, 2 values, */
229/* so you might as wlel use those */
230enum
231{
232 EIO_SEEK_SET = 0,
233 EIO_SEEK_CUR = 1,
234 EIO_SEEK_END = 2
235};
236
237
238/* mlockall constants */
239enum
240{
241 EIO_MCL_CURRENT = 1,
242 EIO_MCL_FUTURE = 2
243};
244
245/* request priorities */
129 246
130enum { 247enum {
131 EIO_CUSTOM, 248 EIO_PRI_MIN = -4,
132 EIO_OPEN, EIO_CLOSE, EIO_DUP2, 249 EIO_PRI_MAX = 4,
133 EIO_READ, EIO_WRITE, 250 EIO_PRI_DEFAULT = 0
134 EIO_READAHEAD, EIO_SENDFILE,
135 EIO_STAT, EIO_LSTAT, EIO_FSTAT,
136 EIO_TRUNCATE, EIO_FTRUNCATE,
137 EIO_UTIME, EIO_FUTIME,
138 EIO_CHMOD, EIO_FCHMOD,
139 EIO_CHOWN, EIO_FCHOWN,
140 EIO_SYNC, EIO_FSYNC, EIO_FDATASYNC,
141 EIO_MSYNC, EIO_MTOUCH, EIO_SYNC_FILE_RANGE,
142 EIO_UNLINK, EIO_RMDIR, EIO_MKDIR, EIO_RENAME,
143 EIO_MKNOD, EIO_READDIR,
144 EIO_LINK, EIO_SYMLINK, EIO_READLINK,
145 EIO_GROUP, EIO_NOP,
146 EIO_BUSY
147}; 251};
148 252
149/* eio request structure */ 253/* eio request structure */
150/* this structure is mostly read-only */ 254/* this structure is mostly read-only */
151/* when initialising it, all members must be zero-initialised */ 255/* when initialising it, all members must be zero-initialised */
152struct eio_req 256struct eio_req
153{ 257{
154 eio_req volatile *next; /* private ETP */ 258 eio_req volatile *next; /* private ETP */
155 259
260 eio_wd wd; /* all applicable requests: working directory of pathname, old name; wd_open: return wd */
261
156 ssize_t result; /* result of syscall, e.g. result = read (... */ 262 eio_ssize_t result; /* result of syscall, e.g. result = read (... */
157 off_t offs; /* read, write, truncate, readahead, sync_file_range: file offset */ 263 off_t offs; /* read, write, truncate, readahead, sync_file_range, fallocate: file offset, mknod: dev_t */
158 size_t size; /* read, write, readahead, sendfile, msync, sync_file_range: length */ 264 size_t size; /* read, write, readahead, sendfile, msync, mlock, sync_file_range, fallocate: length */
159 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 */
160 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 */
161 eio_tstamp nv1; /* utime, futime: atime; busy: sleep time */ 267 eio_tstamp nv1; /* utime, futime: atime; busy: sleep time */
162 eio_tstamp nv2; /* utime, futime: mtime */ 268 eio_tstamp nv2; /* utime, futime: mtime */
163 269
164 int type; /* EIO_xxx constant ETP */
165 int int1; /* all applicable requests: file descriptor; sendfile: output fd; open, msync, readdir: flags */ 270 int int1; /* all applicable requests: file descriptor; sendfile: output fd; open, msync, mlockall, readdir: flags */
166 long int2; /* chown, fchown: uid; sendfile: input fd; open, chmod, mkdir, mknod: file mode, sync_file_range: 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 */
167 long int3; /* chown, fchown: gid; mknod: dev_t */ 272 long int3; /* chown, fchown: gid; rename, link: working directory of new name */
168 int errorno; /* errno value on syscall return */ 273 int errorno; /* errno value on syscall return */
169 274
170 unsigned char flags; /* private */ 275 unsigned char flags; /* private */
276
277 signed char type;/* EIO_xxx constant ETP */
171 signed char pri; /* the priority */ 278 signed char pri; /* the priority ETP */
279#if __i386 || __amd64
280 unsigned char cancelled; /* ETP */
281#else
282 sig_atomic_t cancelled; /* ETP */
283#endif
172 284
173 void *data; 285 void *data;
174 eio_cb finish; 286 eio_cb finish;
175 void (*destroy)(eio_req *req); /* called when requets no longer needed */ 287 void (*destroy)(eio_req *req); /* called when request no longer needed */
176 void (*feed)(eio_req *req); /* only used for group requests */ 288 void (*feed)(eio_req *req); /* only used for group requests */
177 289
178 EIO_REQ_MEMBERS 290 EIO_REQ_MEMBERS
179 291
180 eio_req *grp, *grp_prev, *grp_next, *grp_first; /* private */ 292 eio_req *grp, *grp_prev, *grp_next, *grp_first; /* private ETP */
181}; 293};
182 294
183/* _private_ flags */ 295/* _private_ request flags */
184enum { 296enum {
185 EIO_FLAG_CANCELLED = 0x01, /* request was cancelled */
186 EIO_FLAG_PTR1_FREE = 0x02, /* need to free(ptr1) */ 297 EIO_FLAG_PTR1_FREE = 0x01, /* need to free(ptr1) */
187 EIO_FLAG_PTR2_FREE = 0x04, /* need to free(ptr2) */ 298 EIO_FLAG_PTR2_FREE = 0x02, /* need to free(ptr2) */
188 EIO_FLAG_GROUPADD = 0x08 /* some request was added to the group */
189}; 299};
190 300
191enum { 301/* undocumented/unsupported/private helper */
192 EIO_PRI_MIN = -4, 302/*void eio_page_align (void **addr, size_t *length);*/
193 EIO_PRI_MAX = 4,
194 EIO_PRI_DEFAULT = 0,
195};
196 303
197/* returns < 0 on error, errno set 304/* returns < 0 on error, errno set
198 * need_poll, if non-zero, will be called when results are available 305 * need_poll, if non-zero, will be called when results are available
199 * and eio_poll_cb needs to be invoked (it MUST NOT call eio_poll_cb itself). 306 * and eio_poll_cb needs to be invoked (it MUST NOT call eio_poll_cb itself).
200 * done_poll is called when the need to poll is gone. 307 * done_poll is called when the need to poll is gone.
… …
214 * maximum wanted number 321 * maximum wanted number
215 * or maximum idle number of threads */ 322 * or maximum idle number of threads */
216void eio_set_min_parallel (unsigned int nthreads); 323void eio_set_min_parallel (unsigned int nthreads);
217void eio_set_max_parallel (unsigned int nthreads); 324void eio_set_max_parallel (unsigned int nthreads);
218void eio_set_max_idle (unsigned int nthreads); 325void eio_set_max_idle (unsigned int nthreads);
326void eio_set_idle_timeout (unsigned int seconds);
219 327
220unsigned int eio_nreqs (void); /* number of requests in-flight */ 328unsigned int eio_nreqs (void); /* number of requests in-flight */
221unsigned int eio_nready (void); /* number of not-yet handled requests */ 329unsigned int eio_nready (void); /* number of not-yet handled requests */
222unsigned int eio_npending (void); /* numbe rof finished but unhandled requests */ 330unsigned int eio_npending (void); /* number of finished but unhandled requests */
223unsigned int eio_nthreads (void); /* number of worker threads in use currently */ 331unsigned int eio_nthreads (void); /* number of worker threads in use currently */
224 332
225/*****************************************************************************/ 333/*****************************************************************************/
226/* convinience wrappers */ 334/* convenience wrappers */
335/* these do not expose advanced syscalls and directory fds */
227 336
228#ifndef EIO_NO_WRAPPERS 337#ifndef EIO_NO_WRAPPERS
338eio_req *eio_wd_open (const char *path, int pri, eio_cb cb, void *data); /* result=wd */
339eio_req *eio_wd_close (eio_wd wd, int pri, eio_cb cb, void *data);
229eio_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 */
230eio_req *eio_busy (eio_tstamp delay, int pri, eio_cb cb, void *data); /* ties a thread for this long, simulating busyness */ 341eio_req *eio_busy (eio_tstamp delay, int pri, eio_cb cb, void *data); /* ties a thread for this long, simulating busyness */
231eio_req *eio_sync (int pri, eio_cb cb, void *data); 342eio_req *eio_sync (int pri, eio_cb cb, void *data);
232eio_req *eio_fsync (int fd, int pri, eio_cb cb, void *data); 343eio_req *eio_fsync (int fd, int pri, eio_cb cb, void *data);
233eio_req *eio_fdatasync (int fd, int pri, eio_cb cb, void *data); 344eio_req *eio_fdatasync (int fd, int pri, eio_cb cb, void *data);
345eio_req *eio_syncfs (int fd, int pri, eio_cb cb, void *data);
234eio_req *eio_msync (void *addr, size_t length, int flags, int pri, eio_cb cb, void *data); 346eio_req *eio_msync (void *addr, size_t length, int flags, int pri, eio_cb cb, void *data);
235eio_req *eio_mtouch (void *addr, size_t length, int flags, int pri, eio_cb cb, void *data); 347eio_req *eio_mtouch (void *addr, size_t length, int flags, int pri, eio_cb cb, void *data);
348eio_req *eio_mlock (void *addr, size_t length, int pri, eio_cb cb, void *data);
349eio_req *eio_mlockall (int flags, int pri, eio_cb cb, void *data);
236eio_req *eio_sync_file_range (int fd, off_t offset, size_t nbytes, unsigned int flags, int pri, eio_cb cb, void *data); 350eio_req *eio_sync_file_range (int fd, off_t offset, size_t nbytes, unsigned int flags, int pri, eio_cb cb, void *data);
351eio_req *eio_fallocate (int fd, int mode, off_t offset, size_t len, int pri, eio_cb cb, void *data);
237eio_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);
238eio_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);
354eio_req *eio_seek (int fd, off_t offset, int whence, int pri, eio_cb cb, void *data);
239eio_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);
240eio_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);
241eio_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 */
360eio_req *eio_fstatvfs (int fd, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */
242eio_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);
243eio_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);
244eio_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);
245eio_req *eio_fchown (int fd, uid_t uid, gid_t gid, int pri, eio_cb cb, void *data); 364eio_req *eio_fchown (int fd, eio_uid_t uid, eio_gid_t gid, int pri, eio_cb cb, void *data);
246eio_req *eio_dup2 (int fd, int fd2, int pri, eio_cb cb, void *data); 365eio_req *eio_dup2 (int fd, int fd2, int pri, eio_cb cb, void *data);
247eio_req *eio_sendfile (int out_fd, int in_fd, off_t in_offset, size_t length, int pri, eio_cb cb, void *data); 366eio_req *eio_sendfile (int out_fd, int in_fd, off_t in_offset, size_t length, int pri, eio_cb cb, void *data);
248eio_req *eio_open (const char *path, int flags, mode_t mode, int pri, eio_cb cb, void *data); 367eio_req *eio_open (const char *path, int flags, mode_t mode, int pri, eio_cb cb, void *data);
249eio_req *eio_utime (const char *path, eio_tstamp atime, eio_tstamp mtime, int pri, eio_cb cb, void *data); 368eio_req *eio_utime (const char *path, eio_tstamp atime, eio_tstamp mtime, int pri, eio_cb cb, void *data);
250eio_req *eio_truncate (const char *path, off_t offset, int pri, eio_cb cb, void *data); 369eio_req *eio_truncate (const char *path, off_t offset, int pri, eio_cb cb, void *data);
251eio_req *eio_chown (const char *path, uid_t uid, gid_t gid, int pri, eio_cb cb, void *data); 370eio_req *eio_chown (const char *path, eio_uid_t uid, eio_gid_t gid, int pri, eio_cb cb, void *data);
252eio_req *eio_chmod (const char *path, mode_t mode, int pri, eio_cb cb, void *data); 371eio_req *eio_chmod (const char *path, mode_t mode, int pri, eio_cb cb, void *data);
253eio_req *eio_mkdir (const char *path, mode_t mode, int pri, eio_cb cb, void *data); 372eio_req *eio_mkdir (const char *path, mode_t mode, int pri, eio_cb cb, void *data);
254eio_req *eio_readdir (const char *path, int flags, int pri, eio_cb cb, void *data); /* result=ptr2 allocated dynamically */ 373eio_req *eio_readdir (const char *path, int flags, int pri, eio_cb cb, void *data); /* result=ptr2 allocated dynamically */
255eio_req *eio_rmdir (const char *path, int pri, eio_cb cb, void *data); 374eio_req *eio_rmdir (const char *path, int pri, eio_cb cb, void *data);
256eio_req *eio_unlink (const char *path, int pri, eio_cb cb, void *data); 375eio_req *eio_unlink (const char *path, int pri, eio_cb cb, void *data);
257eio_req *eio_readlink (const char *path, int pri, eio_cb cb, void *data); /* result=ptr2 allocated dynamically */ 376eio_req *eio_readlink (const char *path, int pri, eio_cb cb, void *data); /* result=ptr2 allocated dynamically */
377eio_req *eio_realpath (const char *path, int pri, eio_cb cb, void *data); /* result=ptr2 allocated dynamically */
258eio_req *eio_stat (const char *path, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */ 378eio_req *eio_stat (const char *path, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */
259eio_req *eio_lstat (const char *path, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */ 379eio_req *eio_lstat (const char *path, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */
380eio_req *eio_statvfs (const char *path, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */
260eio_req *eio_mknod (const char *path, mode_t mode, dev_t dev, int pri, eio_cb cb, void *data); 381eio_req *eio_mknod (const char *path, mode_t mode, dev_t dev, int pri, eio_cb cb, void *data);
261eio_req *eio_link (const char *path, const char *new_path, int pri, eio_cb cb, void *data); 382eio_req *eio_link (const char *path, const char *new_path, int pri, eio_cb cb, void *data);
262eio_req *eio_symlink (const char *path, const char *new_path, int pri, eio_cb cb, void *data); 383eio_req *eio_symlink (const char *path, const char *new_path, int pri, eio_cb cb, void *data);
263eio_req *eio_rename (const char *path, const char *new_path, int pri, eio_cb cb, void *data); 384eio_req *eio_rename (const char *path, const char *new_path, int pri, eio_cb cb, void *data);
264eio_req *eio_custom (eio_cb execute, int pri, eio_cb cb, void *data); 385eio_req *eio_custom (void (*execute)(eio_req *), int pri, eio_cb cb, void *data);
265#endif 386#endif
266 387
267/*****************************************************************************/ 388/*****************************************************************************/
268/* groups */ 389/* groups */
269 390
… …
275 396
276/*****************************************************************************/ 397/*****************************************************************************/
277/* request api */ 398/* request api */
278 399
279/* true if the request was cancelled, useful in the invoke callback */ 400/* true if the request was cancelled, useful in the invoke callback */
280#define EIO_CANCELLED(req) ((req)->flags & EIO_FLAG_CANCELLED) 401#define EIO_CANCELLED(req) ((req)->cancelled)
281 402
282#define EIO_RESULT(req) ((req)->result) 403#define EIO_RESULT(req) ((req)->result)
283/* returns a pointer to the result buffer allocated by eio */ 404/* returns a pointer to the result buffer allocated by eio */
284#define EIO_BUF(req) ((req)->ptr2) 405#define EIO_BUF(req) ((req)->ptr2)
285#define EIO_STAT_BUF(req) ((EIO_STRUCT_STAT *)EIO_BUF(req)) 406#define EIO_STAT_BUF(req) ((EIO_STRUCT_STAT *)EIO_BUF(req))
407#define EIO_STATVFS_BUF(req) ((EIO_STRUCT_STATVFS *)EIO_BUF(req))
286#define EIO_PATH(req) ((char *)(req)->ptr1) 408#define EIO_PATH(req) ((char *)(req)->ptr1)
287 409
288/* submit a request for execution */ 410/* submit a request for execution */
289void eio_submit (eio_req *req); 411void eio_submit (eio_req *req);
290/* cancel a request as soon fast as possible, if possible */ 412/* cancel a request as soon fast as possible, if possible */
291void eio_cancel (eio_req *req); 413void eio_cancel (eio_req *req);
292/* destroy a request that has never been submitted */
293void eio_destroy (eio_req *req);
294 414
295/*****************************************************************************/ 415/*****************************************************************************/
296/* convinience functions */ 416/* convenience functions */
297 417
298ssize_t eio_sendfile_sync (int ofd, int ifd, off_t offset, size_t count); 418eio_ssize_t eio_sendfile_sync (int ofd, int ifd, off_t offset, size_t count);
299 419
300#ifdef __cplusplus 420#ifdef __cplusplus
301} 421}
302#endif 422#endif
303 423

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