Eio Functions

Table of Contents

• 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 — Creates a 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