msdn中 SO_SNDTIMEO的注释:the timed out in milliseconds,for blocking send calls.SO_RCVTIMEO and SO_SNDTIMEO When using the recv function, if no data arrives during the period specified in SO_RCVTIMEO, the recv function completes. In Windows versions prior to Windows 2000, any data received ...
setsockopt(sockSrv, SOL_SOCKET, SO_RCVBUF, (const char*)&nZero, sizeof(int)); c++ socket在某些情况:如对方关闭时,本地可能sendto不出去数据,然后recvfrom就会被阻塞,这时就需要设置 这两个参数的值提高程序质量。 linux: struct timeval timeout={3,0};//3s int ret=setsockopt(sock_fd,SOL_SOCKET...