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Comparing libeio/eio.h (file contents):
Revision 1.5 by root, Sun May 11 19:11:05 2008 UTC vs.
Revision 1.6 by root, Mon May 12 00:31:43 2008 UTC

8 8
9typedef int (*eio_cb)(eio_req *req); 9typedef int (*eio_cb)(eio_req *req);
10 10
11#ifndef EIO_COMMON 11#ifndef EIO_COMMON
12# define EIO_COMMON void *data 12# define EIO_COMMON void *data
13#endif
14
15#ifndef EIO_STRUCT_STAT
16# define EIO_STRUCT_STAT struct stat
13#endif 17#endif
14 18
15enum { 19enum {
16 EIO_QUIT, 20 EIO_QUIT,
17 EIO_OPEN, EIO_CLOSE, EIO_DUP2, 21 EIO_OPEN, EIO_CLOSE, EIO_DUP2,
108unsigned int eio_nthreads (void); /* number of worker threads in use currently */ 112unsigned int eio_nthreads (void); /* number of worker threads in use currently */
109 113
110/*****************************************************************************/ 114/*****************************************************************************/
111/* high-level request API */ 115/* high-level request API */
112 116
117eio_req *eio_nop (eio_cb cb); /* does nothing except go through the whole process */
118eio_req *eio_busy (eio_tstamp delay, eio_cb cb); /* ties a thread for this long, simulating busyness */
119eio_req *eio_sync (eio_cb cb);
113eio_req *eio_fsync (int fd, eio_cb cb); 120eio_req *eio_fsync (int fd, eio_cb cb);
114eio_req *eio_fdatasync (int fd, eio_cb cb); 121eio_req *eio_fdatasync (int fd, eio_cb cb);
122eio_req *eio_close (int fd, eio_cb cb);
115eio_req *eio_readahead (int fd, off_t offset, size_t length, eio_cb cb); 123eio_req *eio_readahead (int fd, off_t offset, size_t length, eio_cb cb);
116eio_req *eio_read (int fd, off_t offset, size_t length, void *data, eio_cb cb); 124eio_req *eio_read (int fd, void *data, size_t length, off_t offset, eio_cb cb);
117eio_req *eio_write (int fd, off_t offset, size_t length, void *data, eio_cb cb); 125eio_req *eio_write (int fd, void *data, size_t length, off_t offset, eio_cb cb);
118eio_req *eio_fstat (int fd, eio_cb cb); /* stat buffer=ptr2 allocated dynamically */ 126eio_req *eio_fstat (int fd, eio_cb cb); /* stat buffer=ptr2 allocated dynamically */
119eio_req *eio_futime (int fd, eio_tstamp atime, eio_tstamp mtime, eio_cb cb); 127eio_req *eio_futime (int fd, eio_tstamp atime, eio_tstamp mtime, eio_cb cb);
120eio_req *eio_ftruncate (int fd, off_t offset, eio_cb cb); 128eio_req *eio_ftruncate (int fd, off_t offset, eio_cb cb);
121eio_req *eio_fchmod (int fd, mode_t mode, eio_cb cb); 129eio_req *eio_fchmod (int fd, mode_t mode, eio_cb cb);
122eio_req *eio_fchown (int fd, uid_t uid, gid_t gid, eio_cb cb); 130eio_req *eio_fchown (int fd, uid_t uid, gid_t gid, eio_cb cb);
123eio_req *eio_dup2 (int fd, int fd2, eio_cb cb); 131eio_req *eio_dup2 (int fd, int fd2, eio_cb cb);
124eio_req *eio_sendfile (int out_fd, int in_fd, off_t in_offset, size_t length, eio_cb cb); 132eio_req *eio_sendfile (int out_fd, int in_fd, off_t in_offset, size_t length, eio_cb cb);
125eio_req *eio_open (const char *path, int flags, mode_t mode, eio_cb cb); 133eio_req *eio_open (const char *path, int flags, mode_t mode, eio_cb cb);
126eio_req *eio_readlink (const char *path, eio_cb cb); /* result=ptr2 allocated dynamically */
127eio_req *eio_stat (const char *path, eio_cb cb); /* stat buffer=ptr2 allocated dynamically */
128eio_req *eio_lstat (const char *path, eio_cb cb); /* stat buffer=ptr2 allocated dynamically */
129eio_req *eio_utime (const char *path, eio_tstamp atime, eio_tstamp mtime, eio_cb cb); 134eio_req *eio_utime (const char *path, eio_tstamp atime, eio_tstamp mtime, eio_cb cb);
130eio_req *eio_truncate (const char *path, off_t offset, eio_cb cb); 135eio_req *eio_truncate (const char *path, off_t offset, eio_cb cb);
131eio_req *eio_chown (const char *path, uid_t uid, gid_t gid, eio_cb cb); 136eio_req *eio_chown (const char *path, uid_t uid, gid_t gid, eio_cb cb);
132eio_req *eio_chmod (const char *path, mode_t mode, eio_cb cb); 137eio_req *eio_chmod (const char *path, mode_t mode, eio_cb cb);
133eio_req *eio_mkdir (const char *path, mode_t mode, eio_cb cb); 138eio_req *eio_mkdir (const char *path, mode_t mode, eio_cb cb);
139eio_req *eio_readdir (const char *path, eio_cb cb); /* result=ptr2 allocated dynamically */
140eio_req *eio_rmdir (const char *path, eio_cb cb);
134eio_req *eio_unlink (const char *path, eio_cb cb); 141eio_req *eio_unlink (const char *path, eio_cb cb);
135eio_req *eio_rmdir (const char *path, eio_cb cb);
136eio_req *eio_readdir (const char *path, eio_cb cb); /* result=ptr2 allocated dynamically */ 142eio_req *eio_readlink (const char *path, eio_cb cb); /* result=ptr2 allocated dynamically */
143eio_req *eio_stat (const char *path, eio_cb cb); /* stat buffer=ptr2 allocated dynamically */
144eio_req *eio_lstat (const char *path, eio_cb cb); /* stat buffer=ptr2 allocated dynamically */
137eio_req *eio_mknod (const char *path, mode_t mode, dev_t dev, eio_cb cb); 145eio_req *eio_mknod (const char *path, mode_t mode, dev_t dev, eio_cb cb);
138eio_req *eio_busy (eio_tstamp delay, eio_cb cb); /* ties a thread for this long, simulating busyness */ 146eio_req *eio_link (const char *path, const char *new_path, eio_cb cb);
139eio_req *eio_nop (eio_cb cb); /* does nothing except go through the whole process */ 147eio_req *eio_symlink (const char *path, const char *new_path, eio_cb cb);
148eio_req *eio_rename (const char *path, const char *new_path, eio_cb cb);
140 149
141/* for groups */ 150/* for groups */
142eio_req *eio_grp (eio_cb cb); 151eio_req *eio_grp (eio_cb cb);
143void eio_grp_feed (eio_req *grp, void (*feed)(eio_req *req), int limit); 152void eio_grp_feed (eio_req *grp, void (*feed)(eio_req *req), int limit);
144void eio_grp_limit (eio_req *grp, int limit); 153void eio_grp_limit (eio_req *grp, int limit);
145void eio_grp_add (eio_req *grp, eio_req *req); 154void eio_grp_add (eio_req *grp, eio_req *req);
146void eio_grp_cancel (eio_req *grp); /* cancels all sub requests but not the group */ 155void eio_grp_cancel (eio_req *grp); /* cancels all sub requests but not the group */
156
157/* cancel a request as soon fast as possible */
158void eio_cancel (eio_req *req);
159/* destroy a request that has never been submitted */
160void eio_destroy (eio_req *req);
161
162/* true if the request was cancelled, useful in the invoke callback */
163#define EIO_CANCELLED(req) ((req)->flags & EIO_FLAG_CANCELLED)
164
165#define EIO_RESULT(req) ((req)->result)
166/* returns a pointer to the result buffer allocated by eio */
167#define EIO_BUF(req) ((req)->ptr2)
168#define EIO_STAT_BUF(req) ((EIO_STRUCT_STAT *)EIO_BUF(req))
169#define EIO_PATH(req) ((char *)(req)->ptr1)
147 170
148/*****************************************************************************/ 171/*****************************************************************************/
149/* low-level request API */ 172/* low-level request API */
150 173
151/* must be used to initialise eio_req's */ 174/* must be used to initialise eio_req's */
153 memset ((req), 0, sizeof (eio_req)); \ 176 memset ((req), 0, sizeof (eio_req)); \
154 (req)->pri = (prio) + EIO_PRI_BIAS; \ 177 (req)->pri = (prio) + EIO_PRI_BIAS; \
155 (req)->finish = (finish_cb); \ 178 (req)->finish = (finish_cb); \
156 (req)->destroy = (destroy_cb) 179 (req)->destroy = (destroy_cb)
157 180
158/* true if the request was cancelled, useful in the invoke callback */
159#define EIO_CANCELLED(req) ((req)->flags & EIO_FLAG_CANCELLED)
160
161/* submit a request for execution */ 181/* submit a request for execution */
162void eio_submit (eio_req *req); 182void eio_submit (eio_req *req);
163/* cancel a request as soon fast as possible */
164void eio_cancel (eio_req *req);
165/* destroy a request that has never been submitted */
166void eio_destroy (eio_req *req);
167 183
168/*****************************************************************************/ 184/*****************************************************************************/
169/* convinience functions */ 185/* convinience functions */
170 186
171/*ssize_t eio_sendfile (int ofd, int ifd, off_t offset, size_t count)*/ 187ssize_t eio_sendfile_sync (int ofd, int ifd, off_t offset, size_t count);
172 188
173#endif 189#endif
174 190

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