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>socket_set_nonblock</H1
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>    (PHP 4 &#62;= 4.1.0, PHP 5)</P
>socket_set_nonblock&nbsp;--&nbsp;Sets nonblocking mode for file descriptor fd </DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN213753"
></A
><H2
>Description</H2
>bool <B
CLASS="methodname"
>socket_set_nonblock</B
> ( resource socket )<BR
></BR
><P
>&#13;     The <B
CLASS="function"
>socket_set_nonblock()</B
> function sets the O_NONBLOCK flag 
     on the socket specified by the <CODE
CLASS="parameter"
>socket</CODE
> parameter.
    </P
><P
>&#13;     <TABLE
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>例 1. <B
CLASS="function"
>socket_set_nonblock()</B
> example</B
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$port </font><font color="#007700">= </font><font color="#0000BB">9090</font><font color="#007700">;<br />if ((</font><font color="#0000BB">$socket </font><font color="#007700">= </font><font color="#0000BB">socket_create_listen</font><font color="#007700">(</font><font color="#0000BB">$port</font><font color="#007700">)) === </font><font color="#0000BB">false</font><font color="#007700">) {<br />&nbsp;&nbsp;&nbsp;&nbsp;echo </font><font color="#DD0000">"socket_create_listen() failed. Reason: "</font><font color="#007700">.</font><font color="#0000BB">socket_strerror</font><font color="#007700">(</font><font color="#0000BB">socket_last_error</font><font color="#007700">());<br />}<br /><br />if (</font><font color="#0000BB">socket_set_option</font><font color="#007700">(</font><font color="#0000BB">$socket</font><font color="#007700">, </font><font color="#0000BB">SOL_SOCKET</font><font color="#007700">, </font><font color="#0000BB">SO_REUSEADDR</font><font color="#007700">, </font><font color="#0000BB">1</font><font color="#007700">) === </font><font color="#0000BB">false</font><font color="#007700">) {<br />&nbsp;&nbsp;&nbsp;&nbsp;echo </font><font color="#DD0000">"socket_set_option() failed. Reason: "</font><font color="#007700">.</font><font color="#0000BB">socket_strerror</font><font color="#007700">(</font><font color="#0000BB">socket_last_error</font><font color="#007700">(</font><font color="#0000BB">$socket</font><font color="#007700">));<br />}<br /><br />if (</font><font color="#0000BB">socket_set_nonblock</font><font color="#007700">(</font><font color="#0000BB">$socket</font><font color="#007700">) === </font><font color="#0000BB">false</font><font color="#007700">) {<br />&nbsp;&nbsp;&nbsp;&nbsp;echo </font><font color="#DD0000">"socket_set_nonblock() failed. Reason: "</font><font color="#007700">.</font><font color="#0000BB">socket_strerror</font><font color="#007700">(</font><font color="#0000BB">socket_last_error</font><font color="#007700">(</font><font color="#0000BB">$socket</font><font color="#007700">));<br />}<br /></font><font color="#0000BB">?&gt;</font>
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>
    </P
><P
>&#13;     如果成功则返回 <TT
CLASS="constant"
><B
>TRUE</B
></TT
>，失败则返回 <TT
CLASS="constant"
><B
>FALSE</B
></TT
>。
    </P
><P
>&#13;     See also <A
HREF="function.socket-set-block.html"
><B
CLASS="function"
>socket_set_block()</B
></A
> and 
     <A
HREF="function.socket-set-option.html"
><B
CLASS="function"
>socket_set_option()</B
></A
>
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