[Unison-hackers] unison and inotify principle

[Sylvain Le Gall]

On 05-06-2008, Benjamin Pierce <bcpierce at cis.upenn.edu> wrote:
>> First of all, I have to tell that I don't understand the language  
>> used to develop unison (OCaml ?). So I will not be able to help is  
>> this way. But for an external tool, why not ...
>>
>> Concerning Sylvain's design, I fully agree. Using a pipe to send  
>> external notifications to unison should be very efficient (under  
>> Linux and Windows, at least).
>
> What happens if the pipe fills up?
>

Read/Write on pipe are blocking. If the pipe contains too much data, it
just freeze the process trying to write on it, until the other end read
it...

(well you maybe have a buffer, but if the buffer is full, the process
will freeze). 

Regards,
Sylvain Le Gall