Re: [PATCH] Reimplement aligned_alloc
Corinna Vinschen via Newlib <[email protected]>
| Newsgroups | gmane.comp.lib.newlib |
|---|---|
| Message-ID | <[email protected]> |
On May 19 10:52, Szabolcs Nagy wrote: > The original implementation had multiple issues: > > - Only worked when posix_memalign was available (Linux, RTEMS). > - Violated C11 link namespace rules by calling posix_memalign. > - Failed to set errno on error. > > These can be fixed by essentially using the same implementation > for aligned_alloc as for memalign, i.e. simply calling _memalign_r > (which is always available and a "more reserved name" although > technically still not in the reserved link namespace, at least > code written in c cannot define a colliding symbol, newlib has > plenty such namespace issues so this is fine). > > It is not clear what the right policy is when MALLOC_PROVIDED is set, > currently that does not cover aligned_alloc so it is kept that way. > > Tested on aarch64-none-elf > --- > newlib/libc/stdlib/aligned_alloc.c | 62 +++++++++++++++--------------- > 1 file changed, 30 insertions(+), 32 deletions(-) Pushed. Thanks, Corinna -- Corinna Vinschen Cygwin Maintainer Red Hat