Eio
 
-  简介 
-  安装/配置 
-  预定义常量 
-  范例 
-  Eio 函数 
-  eio_busy — Artificially increase load. Could be useful in tests,
  benchmarking.
-  eio_cancel — Cancels a request
-  eio_chmod — Change file/direcrory permissions.
-  eio_chown — Change file/direcrory permissions.
-  eio_close — Close file
-  eio_custom — Execute custom request like any other eio_* call.
-  eio_dup2 — Duplicate a file descriptor
-  eio_event_loop — Polls libeio until all requests proceeded
-  eio_fallocate — Allows the caller to directly manipulate the allocated disk
  space for a file
-  eio_fchmod — Change file permissions.
-  eio_fchown — Change file ownership
-  eio_fdatasync — Synchronize a file's in-core state with storage device.
-  eio_fstat — Get file status
-  eio_fstatvfs — Get file system statistics
-  eio_fsync — Synchronize a file's in-core state with storage device
-  eio_ftruncate — Truncate a file
-  eio_futime — Change file last access and modification times
-  eio_get_event_stream — Get stream representing a variable used in internal communications with libeio.
-  eio_get_last_error — Returns string describing the last error associated with a request resource
-  eio_grp_add — Adds a request to the request group.
-  eio_grp_cancel — Cancels a request group
-  eio_grp_limit — Set group limit
-  eio_grp — Createsa request group.
-  eio_init — (Re-)initialize Eio
-  eio_link — Create a hardlink for file
-  eio_lstat — Get file status
-  eio_mkdir — Create directory
-  eio_mknod — Create a special or ordinary file.
-  eio_nop — Does nothing, except go through the whole request cycle.
-  eio_npending — Returns number of finished, but unhandled requests
-  eio_nready — Returns number of not-yet handled requests
-  eio_nreqs — Returns number of requests to be processed
-  eio_nthreads — Returns number of threads currently in use
-  eio_open — Opens a file
-  eio_poll — Can be to be called whenever there are pending requests that need finishing.
-  eio_read — Read from a file descriptor at given offset.
-  eio_readahead — Perform file readahead into page cache
-  eio_readdir — Reads through a whole directory
-  eio_readlink — Read value of a symbolic link.
-  eio_realpath — Get the canonicalized absolute pathname.
-  eio_rename — Change the name or location of a file.
-  eio_rmdir — Remove a directory
-  eio_seek — Repositions the offset of the open file associated with the fd argument to the argument offset according to the directive whence
-  eio_sendfile — Transfer data between file descriptors
-  eio_set_max_idle — Set maximum number of idle threads.
-  eio_set_max_parallel — Set maximum parallel threads
-  eio_set_max_poll_reqs — Set maximum number of requests processed in a poll.
-  eio_set_max_poll_time — Set maximum poll time
-  eio_set_min_parallel — Set minimum parallel thread number
-  eio_stat — Get file status
-  eio_statvfs — Get file system statistics
-  eio_symlink — Create a symbolic link
-  eio_sync_file_range — Sync a file segment with disk
-  eio_sync — Commit buffer cache to disk
-  eio_syncfs — Calls Linux' syncfs syscall, if available
-  eio_truncate — Truncate a file
-  eio_unlink — Delete a name and possibly the file it refers to
-  eio_utime — Change file last access and modification times.
-  eio_write — Write to file