I did it for a good reason:
If the context is canceled `srv.Shutdown` is called.
Then, `<-errCh` is not called anymore.
This code ensures that there is not leaking goroutine.
Le mercredi 5 avril 2017 07:13:19 UTC+2, Johnny Luo a écrit :
>
> func listenAndServe(ctx context.Context, srv *http.Server, errCh chan<-
> error) {
> err := srv.ListenAndServe()
> select {
> case errCh <- err:
> case <-ctx.Done():
> }
> }
> ListenAndServe is blocking function, so the select will not happen until
> ListenAndServe return. and errCh become no use
>
>
> On Wednesday, April 5, 2017 at 4:02:16 AM UTC+10, Pierre Durand wrote:
>>
>> Hello
>>
>> I wrote a small helper to stop an HTTP Server when a Context is canceled.
>> https://play.golang.org/p/Gl8APynVdh
>>
>> What do you think ?
>> Is it OK to use context cancellation for stopping long running functions ?
>>
>
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