cygrunsrv + sshd + rsync = 20 times too slow -- throttled?

[Takashi Yano]

On Tue, 21 Sep 2021 09:26:09 +0000 (UTC)
Mark Geisert wrote:
> Sep 21, 2021 1:31:28 AM Takashi Yano <takashi.yano@nifty.ne.jp>:
> > On Mon, 20 Sep 2021 17:39:54 -0400
> > Ken Brown wrote:
> >> I'll push it tomorrow unless you find something that needs to be changed before
> >> then.
> > 
> > * Add name check when cached information is used.
> > * Confirm Name.Buffer returned by NtQueryObject() is not NULL.
> > * Add error check for HeapAlloc().
> > 
> Sorry if this is a dumb question, but why HeapAlloc? If the buffer is only needed temporarily wouldn't alloca work? Or malloc?

This function (temporary_query_hdl()) is called within a  system call,
so calling another system call from it is not good idea I think.
For example, errno may be changed by malloc().

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