[fpc-pascal] fpsockets

Victor Campillo victor.campillo at gmail.com
Mon Oct 30 15:40:39 CET 2017

On 30/10/17 13:37, José Mejuto wrote:
> Hello,
> Do exists any way using the fpsockets family to know if a "fprecv" 
> will block ? In other words do exists a call that return the amount of 
> bytes that are ready to be read/received ?
> In the case the answer is no, does fpc has another family of socket 
> functions ? I know synapse, lNet, ... but I wish to use only fpc 
> packages.

You have the function "FpIOCtl" with the option FIONREAD, I use it to 
read the amount of data of the reception buffer before call "fprecv" but 
if I remember correctly this only work when you configure the socket as 

Best Regards.

Victor Campillo

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