First,I set the socket in this code:
unsigned long ul = 1 ;
ioctlsocket(nNewSocket,FIONBIO ,&ul);
BOOL bDontLinger=FALSE;
setsockopt(nNewSocket,SOL_SOCKET,SO_DONTLINGER,(char*)&bDontLinger,sizeof(bDontLinger));When I call closesocket to close the socket,this function block for a long time,why this happen? 2010-11-29 runjin
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