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/cvs/libeio/eio.h
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Comparing libeio/eio.h (file contents):
Revision 1.6 by root, Mon May 12 00:31:43 2008 UTC vs.
Revision 1.7 by root, Tue May 13 17:08:15 2008 UTC

… …
76 76
77enum { 77enum {
78 EIO_PRI_MIN = -4, 78 EIO_PRI_MIN = -4,
79 EIO_PRI_MAX = 4, 79 EIO_PRI_MAX = 4,
80 80
81 EIO_DEFAULT_PRI = 0, 81 EIO_PRI_DEFAULT = 0,
82 EIO_PRI_BIAS = -EIO_PRI_MIN, 82 EIO_PRI_BIAS = -EIO_PRI_MIN,
83 EIO_NUM_PRI = EIO_PRI_MAX + EIO_PRI_BIAS + 1 83 EIO_NUM_PRI = EIO_PRI_MAX + EIO_PRI_BIAS + 1
84}; 84};
85 85
86/* returns < 0 on error, errno set 86/* returns < 0 on error, errno set
… …
112unsigned int eio_nthreads (void); /* number of worker threads in use currently */ 112unsigned int eio_nthreads (void); /* number of worker threads in use currently */
113 113
114/*****************************************************************************/ 114/*****************************************************************************/
115/* high-level request API */ 115/* high-level request API */
116 116
117eio_req *eio_nop (eio_cb cb); /* does nothing except go through the whole process */ 117eio_req *eio_nop (int pri, eio_cb cb, void *data); /* 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 */ 118eio_req *eio_busy (eio_tstamp delay, int pri, eio_cb cb, void *data); /* ties a thread for this long, simulating busyness */
119eio_req *eio_sync (eio_cb cb);
120eio_req *eio_fsync (int fd, eio_cb cb); 119eio_req *eio_sync (int pri, eio_cb cb, void *data);
120eio_req *eio_fsync (int fd, int pri, eio_cb cb, void *data);
121eio_req *eio_fdatasync (int fd, eio_cb cb); 121eio_req *eio_fdatasync (int fd, int pri, eio_cb cb, void *data);
122eio_req *eio_close (int fd, eio_cb cb); 122eio_req *eio_close (int fd, int pri, eio_cb cb, void *data);
123eio_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, int pri, eio_cb cb, void *data);
124eio_req *eio_read (int fd, void *data, size_t length, off_t offset, eio_cb cb); 124eio_req *eio_read (int fd, void *buf, size_t length, off_t offset, int pri, eio_cb cb, void *data);
125eio_req *eio_write (int fd, void *data, size_t length, off_t offset, eio_cb cb); 125eio_req *eio_write (int fd, void *buf, size_t length, off_t offset, int pri, eio_cb cb, void *data);
126eio_req *eio_fstat (int fd, eio_cb cb); /* stat buffer=ptr2 allocated dynamically */ 126eio_req *eio_fstat (int fd, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */
127eio_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, int pri, eio_cb cb, void *data);
128eio_req *eio_ftruncate (int fd, off_t offset, eio_cb cb); 128eio_req *eio_ftruncate (int fd, off_t offset, int pri, eio_cb cb, void *data);
129eio_req *eio_fchmod (int fd, mode_t mode, eio_cb cb); 129eio_req *eio_fchmod (int fd, mode_t mode, int pri, eio_cb cb, void *data);
130eio_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, int pri, eio_cb cb, void *data);
131eio_req *eio_dup2 (int fd, int fd2, eio_cb cb); 131eio_req *eio_dup2 (int fd, int fd2, int pri, eio_cb cb, void *data);
132eio_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, int pri, eio_cb cb, void *data);
133eio_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, int pri, eio_cb cb, void *data);
134eio_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, int pri, eio_cb cb, void *data);
135eio_req *eio_truncate (const char *path, off_t offset, eio_cb cb); 135eio_req *eio_truncate (const char *path, off_t offset, int pri, eio_cb cb, void *data);
136eio_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, int pri, eio_cb cb, void *data);
137eio_req *eio_chmod (const char *path, mode_t mode, eio_cb cb); 137eio_req *eio_chmod (const char *path, mode_t mode, int pri, eio_cb cb, void *data);
138eio_req *eio_mkdir (const char *path, mode_t mode, eio_cb cb); 138eio_req *eio_mkdir (const char *path, mode_t mode, int pri, eio_cb cb, void *data);
139eio_req *eio_readdir (const char *path, eio_cb cb); /* result=ptr2 allocated dynamically */ 139eio_req *eio_readdir (const char *path, int pri, eio_cb cb, void *data); /* result=ptr2 allocated dynamically */
140eio_req *eio_rmdir (const char *path, eio_cb cb); 140eio_req *eio_rmdir (const char *path, int pri, eio_cb cb, void *data);
141eio_req *eio_unlink (const char *path, eio_cb cb); 141eio_req *eio_unlink (const char *path, int pri, eio_cb cb, void *data);
142eio_req *eio_readlink (const char *path, eio_cb cb); /* result=ptr2 allocated dynamically */ 142eio_req *eio_readlink (const char *path, int pri, eio_cb cb, void *data); /* result=ptr2 allocated dynamically */
143eio_req *eio_stat (const char *path, eio_cb cb); /* stat buffer=ptr2 allocated dynamically */ 143eio_req *eio_stat (const char *path, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */
144eio_req *eio_lstat (const char *path, eio_cb cb); /* stat buffer=ptr2 allocated dynamically */ 144eio_req *eio_lstat (const char *path, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */
145eio_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, int pri, eio_cb cb, void *data);
146eio_req *eio_link (const char *path, const char *new_path, eio_cb cb); 146eio_req *eio_link (const char *path, const char *new_path, int pri, eio_cb cb, void *data);
147eio_req *eio_symlink (const char *path, const char *new_path, eio_cb cb); 147eio_req *eio_symlink (const char *path, const char *new_path, int pri, eio_cb cb, void *data);
148eio_req *eio_rename (const char *path, const char *new_path, eio_cb cb); 148eio_req *eio_rename (const char *path, const char *new_path, int pri, eio_cb cb, void *data);
149 149
150/* for groups */ 150/* for groups */
151eio_req *eio_grp (eio_cb cb); 151eio_req *eio_grp (eio_cb cb, void *data);
152void 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);
153void eio_grp_limit (eio_req *grp, int limit); 153void eio_grp_limit (eio_req *grp, int limit);
154void eio_grp_add (eio_req *grp, eio_req *req); 154void eio_grp_add (eio_req *grp, eio_req *req);
155void 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 */
156 156

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