(PECL eio >= 0.0.1dev)
eio_fsync — Synchronize a file's in-core state with storage device
$fd
[, int $pri = EIO_PRI_DEFAULT
[, callable $callback = NULL
[, mixed $data = NULL
]]] ) : resourceSynchronize a file's in-core state with storage device
fdStream, Socket resource, or numeric file descriptor.
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callback
callback
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void callback(mixed $data, int $result[, resource $req]);
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data
Arbitrary variable passed to callback.
eio_fsync() returns request resource on success or FALSE on error.