eio_poll
(PECL eio >= 0.0.1dev)
eio_poll — Can be to be called whenever there are pending requests that need finishing
Description
eio_poll(): int
eio_poll() can be used to implement special event loop. For this eio_nreqs() could be used to test if there are unprocessed requests.
Note:
Applicable only when implementing userspace event loop.
Parameters
This function has no parameters.
Return Values
If any request invocation returns a non-zero value, returns that value.
Otherwise, it returns 0.
Examples
Example #1 eio_poll() example
<?php
function res_cb($data, $result) {
var_dump($data);
var_dump($result);
}
eio_nop(EIO_PRI_DEFAULT, "res_cb", "1");
eio_nop(EIO_PRI_DEFAULT, "res_cb", "2");
eio_nop(EIO_PRI_DEFAULT, "res_cb", "3");
while (eio_nreqs()) {
// Some specific IPC or so
eio_poll();
}
?>
The above example will output something similar to:
string(1) "1" int(0) string(1) "3" int(0) string(1) "2" int(0)
See Also
- eio_nreqs() - Returns number of requests to be processed
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