Bram Moolenaar wrote:
> Skywind wrote:
> 
> > Bram Moolenaar wrote:
> > 
> > > You can improve this a lot by changing:
> > > 
> > >    if ch_canread(ch)
> > >         let text = ch_read(ch, {'timeout':0})
> > >         caddexpr text
> > >         cbottom
> > >     endif
> > > 
> > > To:
> > > 
> > >    if ch_canread(ch)
> > >   while ch_canread(ch)
> > >           let text = ch_read(ch, {'timeout':0})
> > >           caddexpr text
> > >   endwhile
> > >   cbottom
> > >     endif
> > 
> > Yes, I intentionally do so to make reading really slower than writing.
> > 
> > > But, you might still miss some messages if the job exits early.
> > > 
> > > I suppose we will need to add an option to tell Vim that you will read
> > > the messages, not using a callback.  I think this should do it:
> > > 
> > > "drop"            Specifies when to drop messages:
> > >               "auto"      When there is no callback to handle a message.
> > >                           The "close_cb" is also considered for this.
> > >               "never"     All messages will be kept.
> > > 
> > 
> > It's very nice if I can have the "drop" option in job_start !
> 
> Should work with patch 8.0.0107.  Took a bit of debugging to figure out
> why the channel was reported as being closed.  I thought messages were
> being dropped somewhere, but it turned out to be a problem with
> ch_canread().
> 

Finally, thanks very much :D

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