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* The variable used to store pagesize is not the same as theEric Andersen2004-08-161-1/+2
| | | | | _dl_pagesize variable in ldso, so avoid aliasing. -Erik
* Fixup PAGE_SIZE problemsEric Andersen2004-08-131-3/+2
| | | | -Erik
* s/UCLIBC_HAS_MMU/ARCH_HAS_MMU/gEric Andersen2004-01-161-1/+1
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* Fix a long-standing bug with pthreads. A couple of linuxthreads filesManuel Novoa III2003-12-271-2/+2
| | | | | | | | | | | | | | | | 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.
* add missing prototypeEric Andersen2003-09-061-0/+2
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* Debugging tweaks.Miles Bader2002-11-211-1/+4
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* Improve malloc debugging support.Miles Bader2002-11-211-11/+34
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* Get rid of old malloc lock stuff.Miles Bader2002-10-151-8/+0
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* * Add support for uClinux's broken munmap, contingent onMiles Bader2002-10-091-0/+41
| | | | | | | | | __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.
* Update debugging hooks.Miles Bader2002-09-061-2/+5
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* (likely, unlikely): New macros.Miles Bader2002-08-301-6/+8
| | | | (__malloc_likely, __malloc_unlikely): Macros removed.
* (MALLOC_SETUP): New macro.Miles Bader2002-08-191-5/+6
| | | | | (MALLOC_SET_SIZE): Take the base-address of the block, not the user-address. (MALLOC_ADDR): Macro removed.
* (__malloc_likely, __malloc_unlikely): New macros.Miles Bader2002-08-141-0/+10
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* (MALLOC_REALLOC_MIN_FREE_SIZE): New macro.Miles Bader2002-08-011-2/+8
| | | | Enable debugging if MALLOC_DEBUGGING is defined.
* (MALLOC_HEADER_SIZE): New macro.Miles Bader2002-07-311-2/+6
| | | | (MALLOC_BASE, MALLOC_ADDR): Use it.
* Define MALLOC_SET_SIZE to take the user-address rather than the base-address.Miles Bader2002-07-301-2/+2
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* Add macros to abstract the malloc header format a bit.Miles Bader2002-07-301-1/+22
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* Redo the locking, so that it may actually work. Now locking is done atMiles Bader2002-07-251-1/+37
| | | | | | | | | 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.
* * Automatically try to unmap heap free-areas when they get very big.Miles Bader2002-07-231-5/+30
| | | | | | | | * 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.
* Doc fix.Miles Bader2002-07-191-1/+1
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* Miles Bader implemented a new mmap based malloc which is muchEric Andersen2002-07-181-0/+45
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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