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Viewing changes to mysys/my_alloc.h

  • Committer: mordred
  • Date: 2008-11-01 00:46:20 UTC
  • mto: (572.1.1 devel) (575.1.1 devel)
  • mto: This revision was merged to the branch mainline in revision 573.
  • Revision ID: mordred@opensolaris-20081101004620-vd0kzsl9k40hvf4p
Some updates to dtrace support.

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mysys/my_alloc.h
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#ifndef _my_alloc_h
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#define _my_alloc_h
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#if defined(__cplusplus)
 
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extern "C" {
 
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#endif
 
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#define ALLOC_MAX_BLOCK_TO_DROP                 4096
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#define ALLOC_MAX_BLOCK_USAGE_BEFORE_DROP       10
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  void (*error_handler)(void);
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} MEM_ROOT;
 
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void init_alloc_root(MEM_ROOT *mem_root, size_t block_size,
 
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                     size_t pre_alloc_size);
 
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void *alloc_root(MEM_ROOT *mem_root, size_t Size);
 
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void *multi_alloc_root(MEM_ROOT *mem_root, ...);
 
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void free_root(MEM_ROOT *root, myf MyFLAGS);
 
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void set_prealloc_root(MEM_ROOT *root, char *ptr);
 
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void reset_root_defaults(MEM_ROOT *mem_root, size_t block_size,
 
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                         size_t prealloc_size);
 
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char *strdup_root(MEM_ROOT *root,const char *str);
 
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char *strmake_root(MEM_ROOT *root,const char *str,size_t len);
 
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void *memdup_root(MEM_ROOT *root,const void *str, size_t len);
 
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#if defined(__cplusplus)
 
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}
 
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#endif
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#endif