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[smlnj] View of /sml/trunk/src/runtime/memory/README
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View of /sml/trunk/src/runtime/memory/README

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Revision 2 - (download) (annotate)
Sat Oct 4 23:33:09 1997 UTC (23 years, 11 months ago) by monnier
File size: 774 byte(s)
Initial revision
This directory implements a memory management library that hides the
operating system dependencies.  It supports the allocation of memory
objects aligned to MAP_PAGE_SZB byte boundries (see mapping.h).

The following routines are exported:
  void MEM_InitMemory ();
  mem_obj_t *MEM_AllocMemObj (word_t szb);
  void MEM_FreeMemObj (mem_obj_t *obj);

There are three different implementations:

  1) a version that uses the SVR4 mmap mechanism to allocate chunks of memory.

  2) a version that uses the MACH vm_allocate call to allocate chunks of memory.

  3) a version that layers memory chunk management on top of the brk system
     call.  This version also provides an implementation of malloc.

The version of malloc was retrieved from g.oswego.edu:/pub/misc/malloc.c

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