<div>cache_acceptor.c line 205</div>
<div> vca_acct(void *arg) </div>
<div> {</div>
<div> ...... </div>
<div> i = accept(pfd[u].fd, addr, &l);</div>
<div> .........</div>
<div> }</div>
<div> </div>
<div> in freebsd os , accept maybe block in some one socket if heritage.socks > 1 . because all pfd[u].fd not set nonblock</div>
<div> </div>
<div> </div>