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      1 #ifndef JEMALLOC_INTERNAL_ACTIVITY_CALLBACK_H
      2 #define JEMALLOC_INTERNAL_ACTIVITY_CALLBACK_H
      3 
      4 /*
      5  * The callback to be executed "periodically", in response to some amount of
      6  * allocator activity.
      7  *
      8  * This callback need not be computing any sort of peak (although that's the
      9  * intended first use case), but we drive it from the peak counter, so it's
     10  * keeps things tidy to keep it here.
     11  *
     12  * The calls to this thunk get driven by the peak_event module.
     13  */
     14 #define ACTIVITY_CALLBACK_THUNK_INITIALIZER {NULL, NULL}
     15 typedef void (*activity_callback_t)(void *uctx, uint64_t allocated,
     16     uint64_t deallocated);
     17 typedef struct activity_callback_thunk_s activity_callback_thunk_t;
     18 struct activity_callback_thunk_s {
     19 	activity_callback_t callback;
     20 	void *uctx;
     21 };
     22 
     23 #endif /* JEMALLOC_INTERNAL_ACTIVITY_CALLBACK_H */
     24