---------- Původní zpráva ----------
Od: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Komu: Development discussions related to Fedora <devel@lists.fedoraproject.org>
Datum: 13. 12. 2016 19:35:01
Předmět: Re: F26 System Wide Change: Golang 1.8

On Tue, Dec 13, 2016 at 01:06:29PM -0500, Jakub Cajka wrote:
> > can we enable coredumping for Go programs by default - i.e. set GOTRACEBACK=
> > crash?
> >
> > Currently, Go terminate  a process that panic and prints out an error
> > message on stderr.
> >
> > This approach does not provide much room for automatic Go panic detection.
>
> It should be possible without any significant side effects apart from generating cores and traces. But to enable this, I believe, it would need alteration to the default system env.

Would it be possible? What is the package providing the default env vars?

systemd has DefaultEnvironment= in /etc/systemd/system.conf, but it is
supposed to be used to create local overrides, and doesn't work well
for this case (it's %config(noreplace) among other problems). In general
setting global env vars does not work.

Instead, it would be nicer to modify the go runtime to default to a coredump
if GOTRACEBACK= is not set. This would cover more cases and would not pollute
the environment for users who are not using go.

Zbyszek
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