Re: [musl] mallocng switchover - opportunity to test

[Rich Felker <dalias@libc.org>]

On Mon, Jun 08, 2020 at 11:50:10PM -0400, Rich Felker wrote:
> I just pushed a series of changes in preparation for upstreaming
> mallocng. Before it's actually imported, it can be tested by
> performing the following simple 4 steps:
> 
> 1. mkdir src/malloc/mallocng
> 2. echo "MALLOC_DIR = mallocng" >> config.mak
> 3. Dropping the attached files into src/malloc/mallocng
> 4. Symlinking or copying meta.h, malloc.c, realloc.c, free.c,
>    malloc_usable_size.c, and aligned_alloc.c from mallocng source dir
>    to src/malloc/mallocng. (You can also include dump.c if desired.)
> 
> This produces a near-fully-integrated malloc, including support for
> reclaim_gaps donation from ldso. The only functionality missing, which
> I expect to flesh out before actual import, is handling of the case of
> incomplete malloc replacement by interposition (__malloc_replaced!=0).
> 
> Please report any problems encountered.

For reference -- I should have mentioned in the original post -- the
above is with musl commit 384c0131ccda2656dec23a0416ad3f14101151a7
and mallocng-draft commit c0d6d87596f565e652e126f54aa1a2afaecc0e52.

I'll have an update to these posted soon.

Rich