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Re: RFC: internal_error() change + abort()
Andrew Cagney wrote:
>
> Michael Snyder wrote:
>
> > How do you decide when it's safe to NOT abort?
> > Eg. if a malloc call fails, you're probably completely
> > out of virtual memory. Are you sure printf will work
> > under such a circumstance?
>
> Internal error asks for permission to abort. If the user really does
> want to continue they can (but they have been warned :-).
> internal_error() its self keeps an eye out for a re-entrant call (say
> the printf failed) and will do a write() abort() in that case.
>
> Of course, a lack of stack space is always fatal :-)
What I meant was, how do you know if internal_error can
call printf, or prompt the user to decide whether to
continue, if there is no virtual memory or heap space left?