chen qiang

I tried it according to your example, and it worked. Thank you very much

Thank you for your efforts. It looks very troublesome. Will this be repaired in the future

Thank you for your efforts. It looks very troublesome. Will this be repaired in the future

environment: windows10 server: iperf>iperf-2.1.1.exe -s -u -i 1 client: iperf>iperf-2.1.1.exe -u -c 127.0.0.1 -P 2 -i 1 In windows 10 system, Only one thread can be received at the same time The other threads will received after the end of the first thread I tried to add print to the code, and I find In func(Listener::udp_accept), recvfrom will block when the first thread is working. only the first thread stoped, recvfrom will get back，then start new thread 2.