[PATCH] fhandler_pipe: add sanity limit to handle loops

[Jeremy Drake]

On Sat, 25 Dec 2021, Jeremy Drake via Cygwin-patches wrote:

> On Sun, 26 Dec 2021, Takashi Yano wrote:
>
> > Could you please check the result of the following test case
> > in that ARM64 platform?
> >
>

OK, on Windows 11 ARM64 (same machine as I was testing the assert on):
per_process: n_handle=52, NumberOfHandles=52
per_system: n_handle=65536, NumberOfHandles=35331

On GitHub "windows-2022" runner:
per_process: n_handle=63, NumberOfHandles=63
per_system: n_handle=65536, NumberOfHandles=34077

On Windows 10 x86_64 (can't remember if it was 21H1 or 21H2):
per_process: n_handle=37, NumberOfHandles=37
per_system: n_handle=131072, NumberOfHandles=76069


I was able to reproduce on that Windows 10 box *once*, when I got the
stack traces, but not since.