Have a look at this discussion:
https://groups.google.com/forum/#!topic/grpc-io/hahFSzQBN4s . Hope it helps.
On Thursday, November 1, 2018 at 8:42:42 AM UTC+5:30,
michi....@crowdstrike.com wrote:
>
> I have a C++ client that reads data from a stream using a ClientReader.
> The client runs a separate thread that effectively does:
>
> while (reader_stream->Read(buf)) {
> // Do something with buf
> }
>
> This works just fine, no problem.
>
> At some point, my process receives a message from an external program (not
> via gRPC) that instructs it to shut down. The problem is that I can't exit
> from the read loop because the client thread is stuck in its Read() call,
> and the server may not send another message for hours.
>
> I need to cancel the Read() call from another thread in my client, but I
> can't find anything in the API to do this. What am I missing?
>
> Thanks,
>
> Michi.
>
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