RFR(xs): 8151993: Remove inclusion of inline.hpp in log.hpp
Robbin Ehn
robbin.ehn at oracle.com
Thu Mar 17 06:33:51 UTC 2016
Hi Carsten, thanks for looking at this.
On 03/16/2016 05:27 PM, Carsten Varming wrote:
> Dear Robbin,
>
> It would be much nicer if the code was changed to call a new method in a
> cpp file (this is clearly a slow path) and the new method could use a
This is a template class.
> bufferedStream to automatically expand the needed buffer. You would need
> to implement vprint on bufferedStream to make is expand when needed, but
> that should be doable.
After 'fastpath' we know the size, so there should never be any need for
'expand' anything?
Thanks!
/Robbin
>
> Carsten
>
> On Wed, Mar 16, 2016 at 12:13 PM, Kim Barrett <kim.barrett at oracle.com
> <mailto:kim.barrett at oracle.com>> wrote:
>
> > On Mar 16, 2016, at 8:33 AM, Robbin Ehn <robbin.ehn at oracle.com
> <mailto:robbin.ehn at oracle.com>> wrote:
> >
> > Hi, please review this small change.
> >
> > This also change allocation methods.
> >
> > Bug: https://bugs.openjdk.java.net/browse/JDK-8151993/
> > Webrev: http://cr.openjdk.java.net/~rehn/8151993/webrev/
> >
> > Thanks!
> >
> > /Robbin
>
> ------------------------------------------------------------------------------
> src/share/vm/logging/log.hpp
> Changing this:
> 138 char* newbuf = NEW_C_HEAP_ARRAY(char, newbuf_len,
> mtLogging);
> to this:
> 137 char* newbuf = (char*) os::malloc(sizeof(char) *
> newbuf_len, mtLogging);
>
> New code is missing out of memory handling that was present in the old
> code. New code will just try to use newbuf, with bad results if the
> allocation failed.
>
> New code is missing ASSERT-conditionalized PrintMallocFree support
> that was present in the old. I don't know how important this is,
> given that we also have PrintMalloc. (And I have to wonder why we
> have both PrintMalloc (develop) and PrintMallocFree (notproduct).)
>
> ------------------------------------------------------------------------------
>
>
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