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[BUG] Re: [perl.git] branch blead, updated. v5.13.1-8-g39f3f7f

From:
Jerry D. Hedden
Date:
May 24, 2010 15:49
Subject:
[BUG] Re: [perl.git] branch blead, updated. v5.13.1-8-g39f3f7f
Message ID:
AANLkTin8UBmk2-_u2gZm8IhvvO90412vLaVOINGNJJuR@mail.gmail.com
This change breaks my module Object::InsideOut.  I have determined the
cause to be that using 'weaken' in combination with threads and objects
is broken.  The attached self-contained script replicates the bug.


On Thu, May 20, 2010 at 16:56, Nicholas Clark <nick@ccl4.org> wrote:
> In perl.git, the branch blead has been updated
>
> <http://perl5.git.perl.org/perl.git/commitdiff/39f3f7f442aed93239540238d19a15f6020da747?hp=e77da3b2183d0f9c5ea81dc5780d9a480fc4fa88>
>
> - Log -----------------------------------------------------------------
> commit 39f3f7f442aed93239540238d19a15f6020da747
> Author: Nicholas Clark <nick@ccl4.org>
> Date:   Tue Feb 23 20:35:29 2010 +0000
>
>    PL_endav can be NULL, so in S_ithread_create() no need to set it to newAV().
>
> M       dist/threads/threads.xs
>
> commit b1faab355535118c9fb99fcc343501012923ece2
> Author: Nicholas Clark <nick@ccl4.org>
> Date:   Sat Feb 13 09:05:18 2010 +0000
>
>    Remove redundant hv_exists() calls from ithread_create()'s spec parser.
>
>    hv_fetch(..., 0) won't create the element if it doesn't exist, returning a NULL
>    pointer, so hv_exists() and hv_fetch() is doing two hash lookups where one would
>    suffice.
>
>    On this machine, reduces the object code by 3K, about 7%. Everyone's a winner.
>
> M       dist/threads/threads.xs
>
> commit 4cf5eae5e58faebb6ae9e68e493cd85343f7a76c
> Author: Nicholas Clark <nick@ccl4.org>
> Date:   Sat Feb 13 08:31:55 2010 +0000
>
>    Change S_ithread_create() params from a single AV* to a pair of SV** pointers.
>
>    This saves creating, duplicating and freeing and AV, which is only ever used for
>    an internal calling convention.
>
> M       dist/threads/threads.xs
>
> commit 78b7eff23b1757f7fccef902e7e706080a997e2c
> Author: Nicholas Clark <nick@ccl4.org>
> Date:   Sat Feb 13 08:01:45 2010 +0000
>
>    In threads.xs, convert thread->params from RV to AV.
>
>    Pass around and store the array directly, rather than creating, holding and
>    dereferencing a reference to it.
>
> M       dist/threads/threads.xs
> -----------------------------------------------------------------------



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