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Date: Mon, 4 Oct 2021 22:51:55 +0300
From: Andrey Repin <anrdaemon AT yandex DOT ru>
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To: Brian Inglis <cygwin AT cygwin DOT com>, cygwin AT cygwin DOT com
Subject: Re: is there a limit on how many mintty terminals can be open at once?
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Greetings, Brian Inglis!

> On 2021-10-03 13:58, Takashi Yano via Cygwin wrote:
>> On Sun, 3 Oct 2021 12:25:15 -0400
>> "Jason Pyeron" wrote:
>>> I got the "Error: Could not fork child process: There are no
>>> available terminals (-1)" error.
>>> Closing N minty terminals allowed me to open exactly N more.
>>> My google fu is poor, since I cannot seem to find relevant pages.
>>> What is the limit?

>> In current cygwin, maximum number of pty is 128.
>> It is hard coded and not configurable by user.
>> https://cygwin.com/git/?p=newlib-cygwin.git;a=blob;f=winsup/cygwin/tty.h#l15

> Why would you want and how could you use 128 local terminal windows on 
> one system, where could you put them, and be able to read them, unless 
> you are building some kind of control centre, and then wouldn't GUI 
> processes forked under a windows system be more useful?

Won't SSH sessions allocate pty's ?


-- 
With best regards,
Andrey Repin
Monday, October 4, 2021 22:51:31

Sorry for my terrible english...


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