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A quick question about non-blocking and recv-timeout

Leo Xu
Intellectual 630 points

I have a question that I asked before, and like to confirm again:

If we use non-blocking recv mode,

1. Does timeout work by sl_SetSockOpt(sd,SL_SOL_SOCKET,SL_SO_RCVTIMEO, (_u8 *)&timeVal, sizeof(timeVal)); ?

2. If SL_SO_RCVTIMEO doesn't work, what happens to sl_recv if there is no data in socket? Wait? Is there a default timeout?

Thanks,

Leo

  • 0
    Guru 39650 points

    Hi,

    1. No, this timeout is not applicable to non-blocking socket.
    2. It is returned code SL_EAGAIN(-11), and you need wait (do what you need, osi_Sleep(), etc.) and call sl_ API later.

    Jan