#ifndef JEMALLOC_INTERNAL_PROF_HOOK_H
#define JEMALLOC_INTERNAL_PROF_HOOK_H
#include "jemalloc/internal/jemalloc_preamble.h"
/*
* The hooks types of which are declared in this file are experimental and
* undocumented, thus the typedefs are located in an 'internal' header.
*/
/*
* A hook to mock out backtrace functionality. This can be handy, since it's
* otherwise difficult to guarantee that two allocations are reported as coming
* from the exact same stack trace in the presence of an optimizing compiler.
*/
typedef void (*prof_backtrace_hook_t)(void **, unsigned *, unsigned);
/*
* A callback hook that notifies about recently dumped heap profile.
*/
typedef void (*prof_dump_hook_t)(const char *filename);
/* ptr, size, backtrace vector, backtrace vector length, usize */
typedef void (*prof_sample_hook_t)(const void *ptr, size_t size, void **backtrace, unsigned backtrace_length, size_t usize);
/* ptr, size */
typedef void (*prof_sample_free_hook_t)(const void *, size_t);
/*
* A callback hook that notifies when an allocation threshold has been crossed.
*/
typedef void (*prof_threshold_hook_t)(uint64_t alloc, uint64_t dealloc, uint64_t peak);
#endif /* JEMALLOC_INTERNAL_PROF_HOOK_H */