LXR perl/malloc

   1#ifndef MALLOC_CTL_H
   2#  define MALLOC_CTL_H
   3
   4struct perl_mstats {
   5    UV *nfree;
   6    UV *ntotal;
   7    IV topbucket, topbucket_ev, topbucket_odd, totfree, total, total_chain;
   8    IV total_sbrk, sbrks, sbrk_good, sbrk_slack, start_slack, sbrked_remains;
   9    IV minbucket;
  10    /* Level 1 info */
  11    UV *bucket_mem_size;
  12    UV *bucket_available_size;
  13    UV nbuckets;
  14};
  15typedef struct perl_mstats perl_mstats_t;
  16
  17START_EXTERN_C
  18Malloc_t Perl_malloc (MEM_SIZE nbytes);
  19Malloc_t Perl_calloc (MEM_SIZE elements, MEM_SIZE size);
  20Malloc_t Perl_realloc (Malloc_t where, MEM_SIZE nbytes);
  21/* 'mfree' rather than 'free', since there is already a 'perl_free'
  22 * that causes clashes with case-insensitive linkers */
  23Free_t   Perl_mfree (Malloc_t where);
  24END_EXTERN_C
  25
  26#ifndef NO_MALLOC_DYNAMIC_CFG
  27
  28/* IV configuration data */
  29enum {
  30  MallocCfg_FIRST_SBRK,
  31  MallocCfg_MIN_SBRK,
  32  MallocCfg_MIN_SBRK_FRAC1000,
  33  MallocCfg_SBRK_ALLOW_FAILURES,
  34  MallocCfg_SBRK_FAILURE_PRICE,
  35  MallocCfg_sbrk_goodness,
  36
  37  MallocCfg_filldead,
  38  MallocCfg_fillalive,
  39  MallocCfg_fillcheck,
  40
  41  MallocCfg_skip_cfg_env,
  42  MallocCfg_cfg_env_read,
  43
  44  MallocCfg_emergency_buffer_size,
  45  MallocCfg_emergency_buffer_last_req,
  46
  47  MallocCfg_emergency_buffer_prepared_size,
  48
  49  MallocCfg_last
  50};
  51/* char* configuration data */
  52enum {
  53  MallocCfgP_emergency_buffer,
  54  MallocCfgP_emergency_buffer_prepared,
  55  MallocCfgP_last
  56};
  57START_EXTERN_C
  58extern IV *MallocCfg_ptr;
  59extern char **MallocCfgP_ptr;
  60END_EXTERN_C
  61
  62#endif
  63
  64#endif
  65