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linger m_sLinger;
m_sLinger.l_onoff = 1; // ÔÚclosesocket()µ÷ÓÃ,µ«ÊÇ»¹ÓÐÊý¾Ýû·¢ËÍÍê±ÏµÄʱºòÈÝÐí¶ºÁô
m_sLinger.l_linger = 0; // ÈÝÐí¶ºÁôµÄʱ¼äΪ0Ãë
setsockopt(sd,
SOL_SOCKET,
SO_LINGER,
&m_sLinger,
sizeof(m_sLinger));
setsockopt(sd, SOL_SOCKET, SO_REUSEADDR, &reuse, sizeof(reuse));
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