[PATCH 1/3] Cygwin: testsuite: add a mingw test program to spawn
Jeremy Drake
cygwin@jdrake.com
Mon Jun 30 17:11:29 GMT 2025
On Mon, 30 Jun 2025, Corinna Vinschen wrote:
> On Jun 27 10:34, Jeremy Drake via Cygwin-patches wrote:
> > On Fri, 27 Jun 2025, Corinna Vinschen wrote:
> >
> > > On Jun 26 13:31, Jeremy Drake via Cygwin-patches wrote:
> > > > BTW, I noticed while editing mingw/Makefile.am, shouldn't cygload have
> > > > -Wl,--disable-high-entropy-va in LDFLAGS?
> > >
> > > Why?
> >
> > With high-entropy-va, it has been observed that the PEB, TEB and stack can
> > happen to overlap with the cygheap
> > https://cygwin.com/pipermail/cygwin/2024-May/256000.html
>
> Yeah, but HEVA simply breaks fork. We don't have to test this, because
> it won't work and we don't do it. You can set the PE flag, but than
> you're on your own.
Outside of fork, is cygheap able to "relocate" in case the memory it would
like to occupy is already used?
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