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Re: new malloc calls

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Re: new malloc calls

Subject: Re: new malloc calls
From: Brian Bergstrand <email@hidden>
Date: Fri, 9 Oct 2009 17:38:43 +0300

These are probably the malloc routines to support libcache/NSCache.

http://developer.apple.com/mac/library/releasenotes/MacOSX/WhatsNewInOSX/Articles/MacOSX10_6.html#//apple_ref/doc/uid/TP40008898-SW1

On Oct 9, 2009, at 5:31 PM, email@hidden wrote:

Hello,

I'm looking at <malloc/malloc.h>, and I see a number
of what appear to be new calls:

extern malloc_zone_t *malloc_default_purgeable_zone(void);
   /* Returns a pointer to the default purgeable_zone. */

extern void malloc_make_purgeable(void *ptr); /* Make an allocation from the purgeable zone purgeable if possible. */

extern int malloc_make_nonpurgeable(void *ptr);
   /* Makes an allocation from the purgeable zone nonpurgeable.
    * Returns zero if the contents were not purged since the last
    * call to malloc_make_purgeable, else returns non-zero. */

What are purgeable zones?

Where are these calls documented?


Many thanks,

Ariel Burton


Brian Bergstrand
<http://www.bergstrand.org/brian/>   PGP Key ID: 0xB6C7B6A2

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