aio_fsync - asynchronous file synchronization
op, struct aiocb
Note that this is a request only; it does not wait for I/O completion.
aio_fildes, the only field in the structure
pointed to by
aiocbp that is used by this call is the
aio_sigevent field (a
sigevent structure, described in
sigevent(7)), which indicates the desired type of
asynchronous notification at completion. All other fields are
On success (the sync request was successfully queued) this function
returns 0. On error, -1 is returned, and
errno is set
Out of resources.
aio_fildes is not a valid file descriptor open for
Synchronized I/O is not supported for this file, or
not O_SYNC or O_DSYNC.
aio_fsync() is not implemented.
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