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Re: job control: "set CYGWIN=tty" but ^Z doesn't work
On Mon, Mar 02, 2009 at 07:31:54PM +0000, Andy Koppe wrote:
>2009/3/2 Daniel S.:
>>What setup is need to get ^Z to suspend the current process?
>>
>>The CygWin manual Environment Variables section at
>>http://cygwin.com/cygwin-ug-net/setup-env.html says:
>>
>>?The CYGWIN variable is used ... [Y]ou can ... set it to tty (e.g.
>>to support ?job control with ^Z etc...) using a syntax like this in the
>>DOS shell, before ?launching bash.
>
>You have to make sure that the CYGWIN variable is set before any Cygwin
>programs are run, because it is read when the Cygwin DLL is first
>loaded. Exiting all Cygwin processes before invoking cygwin.bat again
>should do the trick.
That shouldn't be necessary. The CYGWIN=tty is inherited by just one
process. It isn't shared.
>> for (( i = 1 ; i '<' 100000 ; i = i + 1 )) ; do : ; done
Cygwin's CTRL-Z emulation isn't perfect. It may not work well in a
scenario where you're in a tight loop in user space code which is
what the above bash loop would be.
cgf
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