eio_poll
PHP function
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(PECL eio >= 0.0.1dev)
Can 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 Parameters
Return Values
If any request invocation returns a non-zero value, returns that value. Otherwise, it returns 0.
Examples
eio_poll() example
php
<?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:
output
string(1) "1"
int(0)
string(1) "3"
int(0)
string(1) "2"
int(0)