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From: Takashi Yano <takashi.yano@nifty.ne.jp>
To: cygwin@cygwin.com
Cc: Alexey Izbyshev <izbyshev@ispras.ru>
Subject: Re: Deadlock of the process tree when running make
Date: Sun, 10 Apr 2022 02:54:10 +0900	[thread overview]
Message-ID: <20220410025410.196aa0a04368147dbbb31d3e@nifty.ne.jp> (raw)
In-Reply-To: <f55466cdda02fa46bc43174ba412df3a@ispras.ru>

On Sat, 09 Apr 2022 20:23:06 +0300
Alexey Izbyshev wrote:
> On 2022-04-09 19:57, Takashi Yano wrote:
> > Thank you very much for the information. Can you check if
> > the thread pty_master_fwd_thread() in root mintty is still
> > alive?
> 
> I don't have mintty because "make" is run via an SSH session. I suppose 
> I should look into sshd in this case? I've checked an sshd process that 
> is the parent of this session, and yes, one of its threads is blocked at 
> https://cygwin.com/git?p=newlib-cygwin.git;a=blob;f=winsup/cygwin/fhandler_tty.cc;h=7bef6958c106c5e78cc90e014081022fd3a205bc;hb=cygwin-3_3_4-release#l2710.

Thanks for checking. This seems to be normal. Then, I cannot
understand why the ClosePseudoConsole() call is blocked...

The document by Microsoft mentions the blocking conditions of
ClosePseudoConsole():
https://docs.microsoft.com/en-us/windows/console/closepseudoconsole
however, the thread above is draining the channel.

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

  reply	other threads:[~2022-04-09 17:54 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-07 21:53 Alexey Izbyshev
2022-04-07 23:54 ` Brian Inglis
2022-04-08  8:42   ` Alexey Izbyshev
2022-04-08 17:04     ` Brian Inglis
2022-04-11 13:27       ` Alexey Izbyshev
2022-04-09 10:17 ` Takashi Yano
2022-04-09 11:00   ` Alexey Izbyshev
2022-04-09 11:02     ` Alexey Izbyshev
2022-04-09 11:46       ` Takashi Yano
2022-04-09 16:07         ` Alexey Izbyshev
2022-04-09 16:57           ` Takashi Yano
2022-04-09 17:23             ` Alexey Izbyshev
2022-04-09 17:54               ` Takashi Yano [this message]
2022-04-09 19:35                 ` Alexey Izbyshev
2022-04-09 20:26                   ` Alexey Izbyshev
2022-04-10  7:34                     ` Takashi Yano
2022-04-10 12:13                       ` Alexey Izbyshev
2022-04-10 20:49                         ` Alexey Izbyshev
2022-04-11  8:35                           ` Takashi Yano
2022-04-11 10:10                             ` Alexey Izbyshev
2022-04-13 16:48                               ` Alexey Izbyshev
2022-04-13 17:22                                 ` Takashi Yano
2022-04-13 17:27                                   ` Alexey Izbyshev
2022-04-13 23:17                                 ` Alexey Izbyshev
2022-04-16  9:39                                   ` Takashi Yano
2022-04-16 13:21                                     ` Alexey Izbyshev
2022-04-27 11:22                                       ` Takashi Yano
2022-04-27 12:19                                         ` Alexey Izbyshev
2022-04-11  5:23               ` Jeremy Drake
2022-04-11  8:36                 ` Takashi Yano
2022-04-11 15:28                 ` Alexey Izbyshev
2022-04-11 17:02                   ` Jeremy Drake

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