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发布时间：2006-06-28 03:36     点击：

if ((Sockno >= 64) || (Sockno < 0) || (Mysock.Sockets[Sockno] == 0))

return(0);

retcode = close(Mysock.Sockets[Sockno]);

FD_CLR(Mysock.Sockets[Sockno], &Mysock.readfds);

FD_CLR(Mysock.Sockets[Sockno], &Mysock.writefds);

FD_CLR(Mysock.Sockets[Sockno], &Mysock.exceptfds);

Mysock.Sockets[Sockno] = 0;

Mysock.SockNum--;

return(retcode);

}

int QuerySocketsMsg()

/* Query Sockets Message. If succeed return message number, else return -1.

The message information stored in struct SockMsg. */

{

fd_set rfds, wfds, efds;

int retcode, i;

struct timeval TimeOut;

rfds = Mysock.readfds;

wfds = Mysock.writefds;

efds = Mysock.exceptfds;

TimeOut.tv_sec = 0; /* 立即返回，不阻塞。*/

TimeOut.tv_usec = 0;

bzero((char *)&SockMsg, sizeof(SockMsg));

if ((retcode = select(64, &rfds, &wfds, &efds, &TimeOut)) == 0)

return(0);

if (FD_ISSET(Mysock.DaemonSock, &rfds))

SockMsg.AcceptNum = 1; /* some client call server. */

for (i=0; i<64; i++) /* Data in message */

{

if ((Mysock.Sockets[i] > 0) && (FD_ISSET(Mysock.Sockets[i], &rfds))) 

SockMsg.ReadQueue[SockMsg.ReadNum++] = i;

}

for (i=0; i<64; i++) /* Data out ready message */

{

if ((Mysock.Sockets[i] > 0) && (FD_ISSET(Mysock.Sockets[i], &wfds))) 

SockMsg.WriteQueue[SockMsg.WriteNum++] = i;

}

if (FD_ISSET(Mysock.DaemonSock, &efds))

SockMsg.AcceptNum = -1; /* server socket error. */

for (i=0; i<64; i++) /* Error message */

{

if ((Mysock.Sockets[i] > 0) && (FD_ISSET(Mysock.Sockets[i], &efds))) 

SockMsg.ExceptQueue[SockMsg.ExceptNum++] = i;

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