Networking: TCP server Operation not permitted (errno -1)

3

Hi,

Thanks for the response, unfortunately I already tried to implement it via a fdMonitor but it give me the same error(s) when calling the recv functionallity:
either:

  • Errno -1: Operation not permitted
  • Errno -11: Unknown error

I discovered that when I use the flag MSG_DONTWAIT in the recv function that I get the errors as described above. But when I just set the flag to 0 than I can receive data without a problem. However I want a non-blocking socket, so I want to use the flag MSG_DONTWAIT.

Anyone encountered this problem before?