Function malloc_mutex_prof_read

deps/jemalloc/include/jemalloc/internal/mutex.h:249–264

Copy the prof data from mutex for processing. */

/* Copy the prof data from mutex for processing. */
static inline void
malloc_mutex_prof_read(tsdn_t *tsdn, mutex_prof_data_t *data,
    malloc_mutex_t *mutex) {
	mutex_prof_data_t *source = &mutex->prof_data;
	/* Can only read holding the mutex. */
	malloc_mutex_assert_owner(tsdn, mutex);

	/*
	 * Not *really* allowed (we shouldn't be doing non-atomic loads of
	 * atomic data), but the mutex protection makes this safe, and writing
	 * a member-for-member copy is tedious for this situation.
	 */
	*data = *source;
	/* n_wait_thds is not reported (modified w/o locking). */
	atomic_store_u32(&data->n_waiting_thds, 0, ATOMIC_RELAXED);
}

static inline void
malloc_mutex_prof_accum(tsdn_t *tsdn, mutex_prof_data_t *data,