Function SetNonBlock

example_poll.cpp:50–59

};

static int SetNonBlock(int iSock)
{
    int iFlags;

    iFlags = fcntl(iSock, F_GETFL, 0);
    iFlags |= O_NONBLOCK;
    iFlags |= O_NDELAY;
    int ret = fcntl(iSock, F_SETFL, iFlags);
    return ret;
}