Re: daemontools tai64n is unbuffered, s6-tai64n is fully buffered

From: Buck Evan <buck_at_yelp.com>
Date: Tue, 20 Oct 2015 17:33:57 -0700

On Tue, Oct 20, 2015 at 5:01 PM, Laurent Bercot <ska-skaware_at_skarnet.org>
wrote:

> On 21/10/2015 01:05, Buck Evan wrote:
>
>> This prints slowly enough that I can *see* that tai64nlocal is printing
>> each character separately, but s6-tainlocal is printing per-line.
>>
>
> Ah, I understand. s6-tai64nlocal isn't *printing* line per line, it
> is *reading* line per line. It buffers its input until it gets a full
> line, then converts the timestamp at the beginning, if any, then puts
> the converted line into the output buffer, and flushes that buffer
> before going back to reading.
>
> Yes, it is expected. It makes scanning for a timestamp much easier
> and straightforward. Compare s6-tai64nlocal.c and tai64nlocal.c


Fair enough.
Thanks.
Received on Wed Oct 21 2015 - 00:33:57 UTC