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bernds writes: Use __alignof__ instead of sizeof to get alignments. Eliminates some warnings about misalignments when malloc debugging is enabled.
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were including libc-lock.h which had a bunch of weak pragmas. Also,
uClibc supplied a number of no-op weak thread functions even though
many weren't needed. This combined result was that sometimes the
functional versions of thread functions in pthread would not override
the weaks in libc.
While fixing this, I also prepended double-underscore to all necessary
weak thread funcs in uClibc, and removed all unused weaks.
I did a test build, but haven't tested this since these changes are
a backport from my working tree. I did test the changes there and
no longer need to explicitly add -lpthread in the perl build for
perl to pass its thread self tests.
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their alignment are correct.
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because of our fiddling with alignment (because doing so is VERY BAD).
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-Erik
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__UCLIBC_UCLINUX_BROKEN_MUNMAP__ (which is currently not defined anywhere).
This makes other cases a tiny bit less efficient too.
* Move the malloc lock into the heap structure (locking is still done
at the malloc level though, not by the heap functions).
* Initialize the malloc heap to contain a tiny initial static free-area so
that programs that only do a very little allocation won't ever call mmap.
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(__heap_free_area_alloc): Use __heap_delete.
(__heap_is_empty): New macro.
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(HEAP_MIN_FREE_AREA_SIZE): Increase size.
Enable debugging if HEAP_DEBUGGING is defined.
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the malloc/free level, not within the heap abstraction, and there's a
separate lock to control sbrk access.
Also, get rid of the separate `unmap_free_area' function in free.c, and
just put the code in the `free' function directly, which saves a bunch
of space (even compared to using an inline function) for some reason.
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* Instead of using mmap/munmap directly for large allocations, just use
the heap for everything (this is reasonable now that heap memory can
be unmapped).
* Use sbrk instead of mmap/munmap on systems with an MMU.
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Doc fix.
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smarter than the old "malloc-simple", and actually works, unlike
the old "malloc". So kill the old "malloc-simple" and the old
"malloc" and replace them with Miles' new malloc implementation.
Update Config files to match. Thanks Miles!
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