This is the mail archive of the
libc-alpha@sourceware.org
mailing list for the glibc project.
Re: Consensus: Tuning runtime behaviour with environment variables.
- From: OndÅej BÃlka <neleai at seznam dot cz>
- To: Carlos O'Donell <carlos at redhat dot com>
- Cc: KOSAKI Motohiro <kosaki dot motohiro at gmail dot com>, libc-alpha at sourceware dot org
- Date: Thu, 30 May 2013 07:43:46 +0200
- Subject: Re: Consensus: Tuning runtime behaviour with environment variables.
- References: <51A58A92 dot 4050508 at redhat dot com> <51A653DC dot 4040702 at gmail dot com> <20130529215955 dot GA31500 at domone dot kolej dot mff dot cuni dot cz> <51A67E6C dot 8020504 at redhat dot com>
On Wed, May 29, 2013 at 06:17:16PM -0400, Carlos O'Donell wrote:
> On 05/29/2013 05:59 PM, OndÅej BÃlka wrote:
> > Needs comment that changing runtime behaviour by setting its setenv is
> > not supported(Unless we add small performance penalty for each setenv).
>
> No, using setenv will never change the behaviour once the process
> is started. At that point your only option would be a new API that
> exposes tunables in a thread-safe way with explicitly defined
> semantics.
>
Well I meant exactly that and that you need add this to user
documentation.
Ondra.