eio_nop

PECL eio >= 0.0.1dev
eio_nop - Does nothing, except go through the whole request cycle
Manual

eio_nop( [int$pri = EIO_PRI_DEFAULT], [callable$callback = NULL], [mixed$data = NULL] ): resource

eio_nop does nothing, except go through the whole request cycle. Could be useful in debugging.

Parameters

pri

The request priority: EIO_PRI_DEFAULT, EIO_PRI_MIN, EIO_PRI_MAX, or null. If null passed, pri internally is set to EIO_PRI_DEFAULT.

callback

callback function is called when the request is done. It should match the following prototype:

void callback(mixed $data, int $result[, resource $req]);
data

is custom data passed to the request.

result

request-specific result value; basically, the value returned by corresponding system call.

req

is optional request resource which can be used with functions like eio_get_last_error

data

Arbitrary variable passed to callback.

Return Values

eio_nop returns request resource on success, or false on failure.

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