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Date: Wed, 27 Apr 2022 23:09:21 +0900
From: Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp>
To: cygwin AT cygwin DOT com
Subject: Re: Closing the Command Prompt using the "x" button doesn't update
 shell history file
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On Thu, 24 Mar 2022 17:33:50 +0900
Takashi Yano wrote:
> On Wed, 23 Mar 2022 15:11:20 -0400
> Mitchell Hentges wrote:
> > To reproduce the issue:
> > 1. Run Cygwin.bat to open a Cygwin shell in the "Command Prompt" terminal
> > 2. Run some command, such as "echo test"
> > 3. Click the Windows "x" button in the top-right corner of the terminal
> > 
> > The terminal closes, but `$HOME/.bash_history` is not updated to include
> > the "echo test" command.
> > Interestingly, when using mintty, the shell history is indeed saved when
> > the "x" button is pressed.
> 
> I looked into this problem, and found cygwin sends SIGHUP on
> window closure, however, bash is terminated before SIGHUP is
> processed.
> 
> The following patch solves the issue, however, I wonder if
> there is better way to wait completion of signal handling.
> 
> diff --git a/winsup/cygwin/exceptions.cc b/winsup/cygwin/exceptions.cc
> index f946bed77..87b419ea7 100644
> --- a/winsup/cygwin/exceptions.cc
> +++ b/winsup/cygwin/exceptions.cc
> @@ -1119,6 +1119,7 @@ ctrl_c_handler (DWORD type)
>  	{
>  	  sig_send (NULL, SIGHUP);
>  	  saw_close = true;
> +	  Sleep (100);
>  	  return FALSE;
>  	}
>        if (!saw_close && type == CTRL_LOGOFF_EVENT)

Does anyone have suggenstion on this?

-- 
Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp>

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