Re: [Xen-devel] Current LibXL Status

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Thu, 2015-11-19 at 11:48 +0000, Ian Campbell wrote:
> On Thu, 2015-11-19 at 11:33 +0000, Andrew Cooper wrote:
> > Â
> > The majority of those are cases are not appropriate uses of exit(). 
> > AFAIIR, the *only* valid use of exit() in a library is to clean up in a
> > child process from a library-initiated fork().
> 
> ...Âor (in this case) in the libxl-save-helper (separate process).
> 
> The only one I can find which isn't one of this is
> inÂlibxl__event_disaster, and that is only if the applications (or language
> bindings) haven't provided a suitable disaster callback.

Was looking at 4.4, in staging I also see a very odd one in
drbd_preresume_async, which isn't obviously in a child process AFAICT.

Hongyang, what prevents that exit from killing the whole toolstack process?

Ian.

> 

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