PHP Unconference Europe 2015

eio_poll

(PECL eio >= 0.0.1dev)

eio_pollCan be to be called whenever there are pending requests that need finishing.

Beschreibung

int eio_poll ( void )

eio_poll() can be used to implement special event loop. For this eio_nreqs() could be used to test if there are unprocessed requests.

Hinweis:

Applicable only when implementing userspace event loop.

Parameter-Liste

Diese Funktion hat keine Parameter.

R√ľckgabewerte

If any request invocation returns a non-zero value, returns that value. Otherwise, it returns 0.

Beispiele

Beispiel #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();
}
?>

Das oben gezeigte Beispiel erzeugt eine ähnliche Ausgabe wie:

string(1) "1"
int(0)
string(1) "3"
int(0)
string(1) "2"
int(0)

Siehe auch

  • eio_nreqs
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