Re: I wish exceptions would give you access to the stack trace
On Mar 16, 2:33 am, brang...@cix.co.uk (Dave Harris) wrote:
0xCDCDC...@gmx.at (Martin B.) wrote (abridged):> Now with (b),
[...]
I wouldn't object to standardising an API for creating core dumps without
killing the process. The details of the saved format could be left to the
implementation, so that an implementation could conform by creating an
empty file. That wouldn't be too onerous. It's a rather different
proposition to that of creating a stack trace directly, especially if the
latter was specified in enough detail that the trace can be parsed by
standard code (as it can in Java).
This is probably off thread, but how does Java do it? I mean,
how can they generated the stack trace that they're supposed to
generate for java.lang.OutOfMemory.
And to at least make it on topic for the group, if not for this
thread: I wouldn't be at all surprised if one of the reasons C++
doesn't require a stack trace is that the committee couldn't
think of an implementation which could be guaranteed to work in
the case of bad_alloc. You might free up enough memory for the
next entry by calling the destructors in each stack frame. But
then again, you might not.
--
James Kanze
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