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Comparing libeio/eio.h (file contents):
Revision 1.35 by root, Tue Jul 5 20:34:42 2011 UTC vs.
Revision 1.39 by root, Thu Jul 14 19:31:43 2011 UTC

… …
56#ifndef EIO_REQ_MEMBERS 56#ifndef EIO_REQ_MEMBERS
57# define EIO_REQ_MEMBERS 57# define EIO_REQ_MEMBERS
58#endif 58#endif
59 59
60#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
61# 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;
62#endif 77#endif
63 78
64#ifndef EIO_STRUCT_STATVFS 79#ifndef EIO_STRUCT_STATVFS
65# define EIO_STRUCT_STATVFS struct statvfs 80# define EIO_STRUCT_STATVFS struct statvfs
66#endif 81#endif
… …
117 EIO_MS_INVALIDATE = 2, 132 EIO_MS_INVALIDATE = 2,
118 EIO_MS_SYNC = 4 133 EIO_MS_SYNC = 4
119}; 134};
120 135
121/* eio_mtouch flags */ 136/* eio_mtouch flags */
122
123enum 137enum
124{ 138{
125 EIO_MT_MODIFY = 1 139 EIO_MT_MODIFY = 1
126}; 140};
127 141
128/* eio_sync_file_range flags */ 142/* eio_sync_file_range flags */
129
130enum 143enum
131{ 144{
132 EIO_SYNC_FILE_RANGE_WAIT_BEFORE = 1, 145 EIO_SYNC_FILE_RANGE_WAIT_BEFORE = 1,
133 EIO_SYNC_FILE_RANGE_WRITE = 2, 146 EIO_SYNC_FILE_RANGE_WRITE = 2,
134 EIO_SYNC_FILE_RANGE_WAIT_AFTER = 4 147 EIO_SYNC_FILE_RANGE_WAIT_AFTER = 4
135}; 148};
136 149
137typedef 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;
138 158
139/* the eio request structure */ 159/* the eio request structure */
140
141enum 160enum
142{ 161{
143 EIO_CUSTOM, 162 EIO_CUSTOM,
144 EIO_OPEN, EIO_CLOSE, EIO_DUP2, 163 EIO_OPEN, EIO_CLOSE, EIO_DUP2,
145 EIO_READ, EIO_WRITE, 164 EIO_READ, EIO_WRITE,
… …
149 EIO_TRUNCATE, EIO_FTRUNCATE, 168 EIO_TRUNCATE, EIO_FTRUNCATE,
150 EIO_UTIME, EIO_FUTIME, 169 EIO_UTIME, EIO_FUTIME,
151 EIO_CHMOD, EIO_FCHMOD, 170 EIO_CHMOD, EIO_FCHMOD,
152 EIO_CHOWN, EIO_FCHOWN, 171 EIO_CHOWN, EIO_FCHOWN,
153 EIO_SYNC, EIO_FSYNC, EIO_FDATASYNC, 172 EIO_SYNC, EIO_FSYNC, EIO_FDATASYNC,
154 EIO_MSYNC, EIO_MTOUCH, EIO_SYNC_FILE_RANGE, 173 EIO_MSYNC, EIO_MTOUCH, EIO_SYNC_FILE_RANGE, EIO_FALLOCATE,
155 EIO_MLOCK, EIO_MLOCKALL, 174 EIO_MLOCK, EIO_MLOCKALL,
156 EIO_UNLINK, EIO_RMDIR, EIO_MKDIR, EIO_RENAME, 175 EIO_UNLINK, EIO_RMDIR, EIO_MKDIR, EIO_RENAME,
157 EIO_MKNOD, EIO_READDIR, 176 EIO_MKNOD, EIO_READDIR,
158 EIO_LINK, EIO_SYMLINK, EIO_READLINK, EIO_REALPATH, 177 EIO_LINK, EIO_SYMLINK, EIO_READLINK, EIO_REALPATH,
159 EIO_GROUP, EIO_NOP, 178 EIO_GROUP, EIO_NOP,
… …
180/* when initialising it, all members must be zero-initialised */ 199/* when initialising it, all members must be zero-initialised */
181struct eio_req 200struct eio_req
182{ 201{
183 eio_req volatile *next; /* private ETP */ 202 eio_req volatile *next; /* private ETP */
184 203
185 ssize_t result; /* result of syscall, e.g. result = read (... */ 204 eio_ssize_t result; /* result of syscall, e.g. result = read (... */
186 off_t offs; /* read, write, truncate, readahead, sync_file_range: file offset, mknod: dev_t */ 205 off_t offs; /* read, write, truncate, readahead, sync_file_range, fallocate: file offset, mknod: dev_t */
187 size_t size; /* read, write, readahead, sendfile, msync, mlock, sync_file_range: length */ 206 size_t size; /* read, write, readahead, sendfile, msync, mlock, sync_file_range, fallocate: length */
188 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 */
189 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 */
190 eio_tstamp nv1; /* utime, futime: atime; busy: sleep time */ 209 eio_tstamp nv1; /* utime, futime: atime; busy: sleep time */
191 eio_tstamp nv2; /* utime, futime: mtime */ 210 eio_tstamp nv2; /* utime, futime: mtime */
192 211
193 int type; /* EIO_xxx constant ETP */ 212 int type; /* EIO_xxx constant ETP */
194 int int1; /* all applicable requests: file descriptor; sendfile: output fd; open, msync, mlockall, readdir: flags */ 213 int int1; /* all applicable requests: file descriptor; sendfile: output fd; open, msync, mlockall, readdir: flags */
195 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 */
196 long int3; /* chown, fchown: gid */ 215 long int3; /* chown, fchown: gid */
197 int errorno; /* errno value on syscall return */ 216 int errorno; /* errno value on syscall return */
198 217
199#if __i386 || __amd64 218#if __i386 || __amd64
200 unsigned char cancelled; 219 unsigned char cancelled;
… …
249void eio_set_max_idle (unsigned int nthreads); 268void eio_set_max_idle (unsigned int nthreads);
250void eio_set_idle_timeout (unsigned int seconds); 269void eio_set_idle_timeout (unsigned int seconds);
251 270
252unsigned int eio_nreqs (void); /* number of requests in-flight */ 271unsigned int eio_nreqs (void); /* number of requests in-flight */
253unsigned int eio_nready (void); /* number of not-yet handled requests */ 272unsigned int eio_nready (void); /* number of not-yet handled requests */
254unsigned int eio_npending (void); /* numbe rof finished but unhandled requests */ 273unsigned int eio_npending (void); /* number of finished but unhandled requests */
255unsigned int eio_nthreads (void); /* number of worker threads in use currently */ 274unsigned int eio_nthreads (void); /* number of worker threads in use currently */
256 275
257/*****************************************************************************/ 276/*****************************************************************************/
258/* convenience wrappers */ 277/* convenience wrappers */
259 278
… …
266eio_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);
267eio_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);
268eio_req *eio_mlock (void *addr, size_t length, int pri, eio_cb cb, void *data); 287eio_req *eio_mlock (void *addr, size_t length, int pri, eio_cb cb, void *data);
269eio_req *eio_mlockall (int flags, int pri, eio_cb cb, void *data); 288eio_req *eio_mlockall (int flags, int pri, eio_cb cb, void *data);
270eio_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);
271eio_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);
272eio_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);
273eio_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);
274eio_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);
275eio_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 */
… …
329void eio_cancel (eio_req *req); 349void eio_cancel (eio_req *req);
330 350
331/*****************************************************************************/ 351/*****************************************************************************/
332/* convenience functions */ 352/* convenience functions */
333 353
334ssize_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);
335 355
336#ifdef __cplusplus 356#ifdef __cplusplus
337} 357}
338#endif 358#endif
339 359

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