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Date: Wed, 30 Nov 2016 11:44:40 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: Retrieving per-process environment block?
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On Nov 29 09:11, cyg Simple wrote:
> On 11/29/2016 8:26 AM, Erik Bray wrote:
> > I could do this, if each process kept a copy of its environment block
> > in shared memory, which would in turn have to be updated every time
> > the process's environment is updated.  But I don't know what the
> > impact of that would be performance-wise.
> >=20
> > Any advice?
> >=20
>=20
> Sounds like a job for a thread that wakes every X time units to check
> the contents of the environment.  Or is there a notification API that
> could be used to wake the thread?  I know there is a disk change
> notification API for this; maybe one for environment changes as well.

Cygwin env =3D=3D POSIX env !=3D Windows env.  Not only the content, but
also the internal memory handling is different.


Corinna

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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