'nohup' seems to be broken in Cygwin git master

[Takashi Yano]

On Wed, 27 May 2020 17:47:41 -0700 (PDT)
Mark Geisert wrote:
> Easiest way I have to reproduce is using X.  In a Cygwin terminal enter:
>      nohup xlogo &
>      exit
> 
> The terminal window and xlogo are both terminated.  With gdb I see that 
> xlogo terminates with STATUS_CONTROL_C_EXIT.
> 
> On a 32-bit 3.1.4 install, same machine, same (64-bit 3.1.pre5) X server, 
> the same test case shows the terminal window terminated but xlogo remains.
> 
> X is not required to demonstrate this; it's just easiest way to see the 
> effect.  I can dig further if this doesn't immediately pique someone's 
> interest... :)

Thanks for the report. This issue seems to occur after
commit 7659ff0f5afd751f42485f2684c799c5f37b0fb9.

I will submit a patch for this issue shortly.

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