Kyle Evans
ebff66b3c3
posix_spawn: fix for some custom allocator setups ...
libc cannot assume that aligned_alloc and free come from jemalloc, or that
any application providing its own malloc and free is actually providing
aligned_alloc.
Switch back to malloc and just make sure we're passing a properly aligned
stack into rfork_thread, as an application perhaps can't reasonably replace
just malloc or just free without headaches.
This unbreaks ksh93 after r361996, which provides malloc/free but no
aligned_alloc.
Reported by: freqlabs
Diagnosed by: Andrew Gierth <andrew_tao173.riddles.org.uk>
X-MFC-With: r361996
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ebff66b3c3