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

Comparing libeio/eio.h (file contents):
Revision 1.25 by root, Sat Jan 2 14:11:32 2010 UTC vs.
Revision 1.39 by root, Thu Jul 14 19:31:43 2011 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 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 *
… …
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
66# endif
67#endif
68
69#ifdef _WIN32
70typedef int eio_uid_t;
71typedef int eio_gid_t;
72typedef intptr_t eio_ssize_t; /* or SSIZE_T */
73#else
74typedef uid_t eio_uid_t;
75typedef gid_t eio_gid_t;
76typedef ssize_t eio_ssize_t;
77#endif
78
79#ifndef EIO_STRUCT_STATVFS
80# define EIO_STRUCT_STATVFS struct statvfs
61#endif 81#endif
62 82
63/* for readdir */ 83/* for readdir */
64 84
65/* eio_readdir flags */ 85/* eio_readdir flags */
66enum { 86enum
87{
67 EIO_READDIR_DENTS = 0x01, /* ptr2 contains eio_dirents, not just the (unsorted) names */ 88 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 */ 89 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 */ 90 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 */ 91 EIO_READDIR_FOUND_UNKNOWN = 0x80, /* set by eio_readdir when *_ARRAY was set and any TYPE=UNKNOWN's were found */
71 92
72 EIO_READDIR_CUSTOM1 = 0x100, /* for use by apps */ 93 EIO_READDIR_CUSTOM1 = 0x100, /* for use by apps */
73 EIO_READDIR_CUSTOM2 = 0x200 /* for use by apps */ 94 EIO_READDIR_CUSTOM2 = 0x200 /* for use by apps */
74}; 95};
75 96
76/* using "typical" values in the hope that the compiler will do something sensible */ 97/* using "typical" values in the hope that the compiler will do something sensible */
77enum eio_dtype { 98enum eio_dtype
99{
78 EIO_DT_UNKNOWN = 0, 100 EIO_DT_UNKNOWN = 0,
79 EIO_DT_FIFO = 1, 101 EIO_DT_FIFO = 1,
80 EIO_DT_CHR = 2, 102 EIO_DT_CHR = 2,
81 EIO_DT_MPC = 3, /* multiplexed char device (v7+coherent) */ 103 EIO_DT_MPC = 3, /* multiplexed char device (v7+coherent) */
82 EIO_DT_DIR = 4, 104 EIO_DT_DIR = 4,
… …
92 EIO_DT_DOOR = 13, /* solaris door */ 114 EIO_DT_DOOR = 13, /* solaris door */
93 EIO_DT_WHT = 14, 115 EIO_DT_WHT = 14,
94 EIO_DT_MAX = 15 /* highest DT_VALUE ever, hopefully */ 116 EIO_DT_MAX = 15 /* highest DT_VALUE ever, hopefully */
95}; 117};
96 118
97struct eio_dirent { 119struct eio_dirent
120{
98 int nameofs; /* offset of null-terminated name string in (char *)req->ptr2 */ 121 int nameofs; /* offset of null-terminated name string in (char *)req->ptr2 */
99 unsigned short namelen; /* size of filename without trailing 0 */ 122 unsigned short namelen; /* size of filename without trailing 0 */
100 unsigned char type; /* one of EIO_DT_* */ 123 unsigned char type; /* one of EIO_DT_* */
101 signed char score; /* internal use */ 124 signed char score; /* internal use */
102 ino_t inode; /* the inode number, if available, otherwise unspecified */ 125 ino_t inode; /* the inode number, if available, otherwise unspecified */
103}; 126};
104 127
105/* eio_msync flags */ 128/* eio_msync flags */
106enum { 129enum
130{
107 EIO_MS_ASYNC = 1, 131 EIO_MS_ASYNC = 1,
108 EIO_MS_INVALIDATE = 2, 132 EIO_MS_INVALIDATE = 2,
109 EIO_MS_SYNC = 4 133 EIO_MS_SYNC = 4
110}; 134};
111 135
112/* eio_mtouch flags */ 136/* eio_mtouch flags */
113
114enum { 137enum
138{
115 EIO_MT_MODIFY = 1 139 EIO_MT_MODIFY = 1
116}; 140};
117 141
118/* eio_sync_file_range flags */ 142/* eio_sync_file_range flags */
119
120enum { 143enum
144{
121 EIO_SYNC_FILE_RANGE_WAIT_BEFORE = 1, 145 EIO_SYNC_FILE_RANGE_WAIT_BEFORE = 1,
122 EIO_SYNC_FILE_RANGE_WRITE = 2, 146 EIO_SYNC_FILE_RANGE_WRITE = 2,
123 EIO_SYNC_FILE_RANGE_WAIT_AFTER = 4 147 EIO_SYNC_FILE_RANGE_WAIT_AFTER = 4
124}; 148};
125 149
126typedef double eio_tstamp; /* feel free to use double in your code directly */ 150/* eio_fallocate flags */
151enum
152{
153 EIO_FALLOC_FL_KEEP_SIZE = 1 /* MUST match the value in linux/falloc.h */
154};
155
156/* timestamps and differences - feel free to use double in your code directly */
157typedef double eio_tstamp;
127 158
128/* the eio request structure */ 159/* the eio request structure */
129
130enum { 160enum
161{
131 EIO_CUSTOM, 162 EIO_CUSTOM,
132 EIO_OPEN, EIO_CLOSE, EIO_DUP2, 163 EIO_OPEN, EIO_CLOSE, EIO_DUP2,
133 EIO_READ, EIO_WRITE, 164 EIO_READ, EIO_WRITE,
134 EIO_READAHEAD, EIO_SENDFILE, 165 EIO_READAHEAD, EIO_SENDFILE,
135 EIO_STAT, EIO_LSTAT, EIO_FSTAT, 166 EIO_STAT, EIO_LSTAT, EIO_FSTAT,
167 EIO_STATVFS, EIO_FSTATVFS,
136 EIO_TRUNCATE, EIO_FTRUNCATE, 168 EIO_TRUNCATE, EIO_FTRUNCATE,
137 EIO_UTIME, EIO_FUTIME, 169 EIO_UTIME, EIO_FUTIME,
138 EIO_CHMOD, EIO_FCHMOD, 170 EIO_CHMOD, EIO_FCHMOD,
139 EIO_CHOWN, EIO_FCHOWN, 171 EIO_CHOWN, EIO_FCHOWN,
140 EIO_SYNC, EIO_FSYNC, EIO_FDATASYNC, 172 EIO_SYNC, EIO_FSYNC, EIO_FDATASYNC,
141 EIO_MSYNC, EIO_MTOUCH, EIO_SYNC_FILE_RANGE, 173 EIO_MSYNC, EIO_MTOUCH, EIO_SYNC_FILE_RANGE, EIO_FALLOCATE,
174 EIO_MLOCK, EIO_MLOCKALL,
142 EIO_UNLINK, EIO_RMDIR, EIO_MKDIR, EIO_RENAME, 175 EIO_UNLINK, EIO_RMDIR, EIO_MKDIR, EIO_RENAME,
143 EIO_MKNOD, EIO_READDIR, 176 EIO_MKNOD, EIO_READDIR,
144 EIO_LINK, EIO_SYMLINK, EIO_READLINK, 177 EIO_LINK, EIO_SYMLINK, EIO_READLINK, EIO_REALPATH,
145 EIO_GROUP, EIO_NOP, 178 EIO_GROUP, EIO_NOP,
146 EIO_BUSY 179 EIO_BUSY
180};
181
182/* mlockall constants */
183enum
184{
185 EIO_MCL_CURRENT = 1,
186 EIO_MCL_FUTURE = 2,
187};
188
189/* request priorities */
190
191enum {
192 EIO_PRI_MIN = -4,
193 EIO_PRI_MAX = 4,
194 EIO_PRI_DEFAULT = 0,
147}; 195};
148 196
149/* eio request structure */ 197/* eio request structure */
150/* this structure is mostly read-only */ 198/* this structure is mostly read-only */
151/* when initialising it, all members must be zero-initialised */ 199/* when initialising it, all members must be zero-initialised */
152struct eio_req 200struct eio_req
153{ 201{
154 eio_req volatile *next; /* private ETP */ 202 eio_req volatile *next; /* private ETP */
155 203
156 ssize_t result; /* result of syscall, e.g. result = read (... */ 204 eio_ssize_t result; /* result of syscall, e.g. result = read (... */
157 off_t offs; /* read, write, truncate, readahead, sync_file_range: file offset */ 205 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 */ 206 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 */ 207 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 */ 208 void *ptr2; /* all applicable requests: new name or memory buffer; readdir: name strings */
161 eio_tstamp nv1; /* utime, futime: atime; busy: sleep time */ 209 eio_tstamp nv1; /* utime, futime: atime; busy: sleep time */
162 eio_tstamp nv2; /* utime, futime: mtime */ 210 eio_tstamp nv2; /* utime, futime: mtime */
163 211
164 int type; /* EIO_xxx constant ETP */ 212 int type; /* EIO_xxx constant ETP */
165 int int1; /* all applicable requests: file descriptor; sendfile: output fd; open, msync, readdir: flags */ 213 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 */ 214 long int2; /* chown, fchown: uid; sendfile: input fd; open, chmod, mkdir, mknod: file mode, sync_file_range, fallocate: flags */
167 long int3; /* chown, fchown: gid; mknod: dev_t */ 215 long int3; /* chown, fchown: gid */
168 int errorno; /* errno value on syscall return */ 216 int errorno; /* errno value on syscall return */
217
218#if __i386 || __amd64
219 unsigned char cancelled;
220#else
221 sig_atomic_t cancelled;
222#endif
169 223
170 unsigned char flags; /* private */ 224 unsigned char flags; /* private */
171 signed char pri; /* the priority */ 225 signed char pri; /* the priority */
172 226
173 void *data; 227 void *data;
174 eio_cb finish; 228 eio_cb finish;
175 void (*destroy)(eio_req *req); /* called when requets no longer needed */ 229 void (*destroy)(eio_req *req); /* called when request no longer needed */
176 void (*feed)(eio_req *req); /* only used for group requests */ 230 void (*feed)(eio_req *req); /* only used for group requests */
177 231
178 EIO_REQ_MEMBERS 232 EIO_REQ_MEMBERS
179 233
180 eio_req *grp, *grp_prev, *grp_next, *grp_first; /* private */ 234 eio_req *grp, *grp_prev, *grp_next, *grp_first; /* private */
181}; 235};
182 236
183/* _private_ flags */ 237/* _private_ request flags */
184enum { 238enum {
185 EIO_FLAG_CANCELLED = 0x01, /* request was cancelled */
186 EIO_FLAG_PTR1_FREE = 0x02, /* need to free(ptr1) */ 239 EIO_FLAG_PTR1_FREE = 0x01, /* need to free(ptr1) */
187 EIO_FLAG_PTR2_FREE = 0x04, /* need to free(ptr2) */ 240 EIO_FLAG_PTR2_FREE = 0x02, /* need to free(ptr2) */
188 EIO_FLAG_GROUPADD = 0x08 /* some request was added to the group */ 241 EIO_FLAG_GROUPADD = 0x04 /* some request was added to the group */
189}; 242};
190 243
191enum { 244/* undocumented/unsupported/private helper */
192 EIO_PRI_MIN = -4, 245/*void eio_page_align (void **addr, size_t *length);*/
193 EIO_PRI_MAX = 4,
194 EIO_PRI_DEFAULT = 0,
195};
196 246
197/* returns < 0 on error, errno set 247/* returns < 0 on error, errno set
198 * need_poll, if non-zero, will be called when results are available 248 * 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). 249 * 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. 250 * done_poll is called when the need to poll is gone.
… …
214 * maximum wanted number 264 * maximum wanted number
215 * or maximum idle number of threads */ 265 * or maximum idle number of threads */
216void eio_set_min_parallel (unsigned int nthreads); 266void eio_set_min_parallel (unsigned int nthreads);
217void eio_set_max_parallel (unsigned int nthreads); 267void eio_set_max_parallel (unsigned int nthreads);
218void eio_set_max_idle (unsigned int nthreads); 268void eio_set_max_idle (unsigned int nthreads);
269void eio_set_idle_timeout (unsigned int seconds);
219 270
220unsigned int eio_nreqs (void); /* number of requests in-flight */ 271unsigned int eio_nreqs (void); /* number of requests in-flight */
221unsigned int eio_nready (void); /* number of not-yet handled requests */ 272unsigned int eio_nready (void); /* number of not-yet handled requests */
222unsigned int eio_npending (void); /* numbe rof finished but unhandled requests */ 273unsigned int eio_npending (void); /* number of finished but unhandled requests */
223unsigned int eio_nthreads (void); /* number of worker threads in use currently */ 274unsigned int eio_nthreads (void); /* number of worker threads in use currently */
224 275
225/*****************************************************************************/ 276/*****************************************************************************/
226/* convinience wrappers */ 277/* convenience wrappers */
227 278
228#ifndef EIO_NO_WRAPPERS 279#ifndef EIO_NO_WRAPPERS
229eio_req *eio_nop (int pri, eio_cb cb, void *data); /* does nothing except go through the whole process */ 280eio_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 */ 281eio_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); 282eio_req *eio_sync (int pri, eio_cb cb, void *data);
232eio_req *eio_fsync (int fd, int pri, eio_cb cb, void *data); 283eio_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); 284eio_req *eio_fdatasync (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); 285eio_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); 286eio_req *eio_mtouch (void *addr, size_t length, int flags, int pri, eio_cb cb, void *data);
287eio_req *eio_mlock (void *addr, size_t length, int pri, eio_cb cb, void *data);
288eio_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); 289eio_req *eio_sync_file_range (int fd, off_t offset, size_t nbytes, unsigned int flags, int pri, eio_cb cb, void *data);
290eio_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); 291eio_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); 292eio_req *eio_readahead (int fd, off_t offset, size_t length, 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); 293eio_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); 294eio_req *eio_write (int fd, void *buf, size_t length, off_t offset, 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 */ 295eio_req *eio_fstat (int fd, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */
296eio_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); 297eio_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); 298eio_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); 299eio_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); 300eio_req *eio_fchown (int fd, uid_t uid, 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); 301eio_req *eio_dup2 (int fd, int fd2, int pri, eio_cb cb, void *data);
… …
253eio_req *eio_mkdir (const char *path, mode_t mode, int pri, eio_cb cb, void *data); 308eio_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 */ 309eio_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); 310eio_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); 311eio_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 */ 312eio_req *eio_readlink (const char *path, int pri, eio_cb cb, void *data); /* result=ptr2 allocated dynamically */
313eio_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 */ 314eio_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 */ 315eio_req *eio_lstat (const char *path, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */
316eio_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); 317eio_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); 318eio_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); 319eio_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); 320eio_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); 321eio_req *eio_custom (void (*execute)(eio_req *), int pri, eio_cb cb, void *data);
265#endif 322#endif
266 323
267/*****************************************************************************/ 324/*****************************************************************************/
268/* groups */ 325/* groups */
269 326
… …
275 332
276/*****************************************************************************/ 333/*****************************************************************************/
277/* request api */ 334/* request api */
278 335
279/* true if the request was cancelled, useful in the invoke callback */ 336/* true if the request was cancelled, useful in the invoke callback */
280#define EIO_CANCELLED(req) ((req)->flags & EIO_FLAG_CANCELLED) 337#define EIO_CANCELLED(req) ((req)->cancelled)
281 338
282#define EIO_RESULT(req) ((req)->result) 339#define EIO_RESULT(req) ((req)->result)
283/* returns a pointer to the result buffer allocated by eio */ 340/* returns a pointer to the result buffer allocated by eio */
284#define EIO_BUF(req) ((req)->ptr2) 341#define EIO_BUF(req) ((req)->ptr2)
285#define EIO_STAT_BUF(req) ((EIO_STRUCT_STAT *)EIO_BUF(req)) 342#define EIO_STAT_BUF(req) ((EIO_STRUCT_STAT *)EIO_BUF(req))
343#define EIO_STATVFS_BUF(req) ((EIO_STRUCT_STATVFS *)EIO_BUF(req))
286#define EIO_PATH(req) ((char *)(req)->ptr1) 344#define EIO_PATH(req) ((char *)(req)->ptr1)
287 345
288/* submit a request for execution */ 346/* submit a request for execution */
289void eio_submit (eio_req *req); 347void eio_submit (eio_req *req);
290/* cancel a request as soon fast as possible, if possible */ 348/* cancel a request as soon fast as possible, if possible */
291void eio_cancel (eio_req *req); 349void eio_cancel (eio_req *req);
292/* destroy a request that has never been submitted */
293void eio_destroy (eio_req *req);
294 350
295/*****************************************************************************/ 351/*****************************************************************************/
296/* convinience functions */ 352/* convenience functions */
297 353
298ssize_t eio_sendfile_sync (int ofd, int ifd, off_t offset, size_t count); 354eio_ssize_t eio_sendfile_sync (int ofd, int ifd, off_t offset, size_t count);
299 355
300#ifdef __cplusplus 356#ifdef __cplusplus
301} 357}
302#endif 358#endif
303 359

Diff Legend

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