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    eio_poll

    (PECL eio >= 0.0.1dev)

    eio_poll — Can be to be called whenever there are pending requests that need finishing.

    설명

    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.

    Note:

    Applicable only when implementing userspace event loop.

    인수

    이 함수는 인수가 없습니다.

    반환값

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

    예제

    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();
    }
    ?>

    위 예제의 출력 예시:

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

    참고

    • eio_nreqs
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