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  • Committer: Andrew Hutchings
  • Date: 2011-03-29 20:45:43 UTC
  • mfrom: (2257 drizzle)
  • mto: (2257.1.3 build)
  • mto: This revision was merged to the branch mainline in revision 2258.
  • Revision ID: andrew@linuxjedi.co.uk-20110329204543-ssex0nuo8knncgwx
Merge with trunk

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drizzled/memory/root.cc
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#include <config.h>
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#include <drizzled/definitions.h>
 
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#include <drizzled/memory/root.h>
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#include <drizzled/internal/my_sys.h>
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#include <drizzled/internal/m_string.h>
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  return((void*) start);
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}
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static void trash_mem(memory::internal::UsedMemory *)
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{
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  TRASH(((char*)(x) + (x->size - x->left)), x->left);
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}
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/**
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 * @brief
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 * Mark all data in blocks free for reusage 
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  for (next= free; next; next= *(last= &next->next))
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  {
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    next->left= next->size - ALIGN_SIZE(sizeof(memory::internal::UsedMemory));
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    trash_mem(next);
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  }
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  /* Combine the free and the used list */
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  for (; next; next= next->next)
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  {
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    next->left= next->size - ALIGN_SIZE(sizeof(memory::internal::UsedMemory));
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    trash_mem(next);
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  }
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  /* Now everything is set; Indicate that nothing is used anymore */
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  {
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    this->free=this->pre_alloc;
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    this->free->left=this->pre_alloc->size-ALIGN_SIZE(sizeof(memory::internal::UsedMemory));
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    trash_mem(this->pre_alloc);
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    this->free->next=0;
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  }
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  this->block_num= 4;