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Date: Thu, 13 Feb 2020 13:13:22 +0900
From: Takashi Yano <takashi.yano@nifty.ne.jp>
To: pdt@dontech.dk
Cc: cygwin@cygwin.com
Subject: Re: fork: Resource temporarily unavailable errors after upgrading cygwin packages
Message-Id: <20200213131322.66b104901134c644c0dad57e@nifty.ne.jp>
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On Wed, 12 Feb 2020 11:54:02 +0100
Peter Dons Tychsen wrote:
> Hi Takashi,
> 
> On Wed, 2020-02-12 at 11:24 +0900, Takashi Yano wrote:
> > My failure in pty code was that I used kill() in pty system
> > calls. kill() can be used check if the process is still alive
> > by passing signal number of 0 to the second argument. It returns
> > -1 if the process already exited. However, in this case errno
> > is set to ESRCH. As a result, the errno value which pty system
> > call set is accidentally overwritten by kill().
> 
> OK, thanks for clearing all that up. Just wanted to make sure kill()
> was not buggy :-).
> 
> I will test the committed patch and the upcoming release vigerously to
> see if there are still bugs to be found in this area. Not sure why i
> get fork() errors and you do not (my tests with the example i made
> always causes fork() errors in 3.1.2).
> 
> Thanks for all the help and your snappy replies,

Could you please try latest snapshot?
https://cygwin.com/snapshots/

-- 
Takashi Yano <takashi.yano@nifty.ne.jp>

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