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* (HEAP_MIN_SIZE): New macro.Miles Bader2002-08-011-6/+15
| | | | | (HEAP_MIN_FREE_AREA_SIZE): Increase size. Enable debugging if HEAP_DEBUGGING is defined.
* Redo the locking, so that it may actually work. Now locking is done atMiles Bader2002-07-251-18/+1
| | | | | | | | | 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.
* Factor out some common code sequences into inline functions.Miles Bader2002-07-241-6/+60
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* * Automatically try to unmap heap free-areas when they get very big.Miles Bader2002-07-231-28/+42
| | | | | | | | * 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.
* Rename mutex stuff to use heap-specific names.Miles Bader2002-07-191-12/+14
| | | | Doc fix.
* Miles Bader implemented a new mmap based malloc which is muchEric Andersen2002-07-181-0/+146
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!