Date: Wed, 10 Jun 2020 23:49:34 -0400 From: Rich Felker <dalias@...c.org> To: musl@...ts.openwall.com Subject: Re: mallocng switchover - opportunity to test 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
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