Function sysctl_handle_counter_u64_array

freebsd/kern/subr_counter.c:95–118

}

int
sysctl_handle_counter_u64_array(SYSCTL_HANDLER_ARGS)
{
	uint64_t *out;
	int error;

	out = malloc(arg2 * sizeof(uint64_t), M_TEMP, M_WAITOK);
	for (int i = 0; i < arg2; i++)
		out[i] = counter_u64_fetch(((counter_u64_t *)arg1)[i]);

	error = SYSCTL_OUT(req, out, arg2 * sizeof(uint64_t));
	free(out, M_TEMP);

	if (error || !req->newptr)
		return (error);

	/*
	 * Any write attempt to a counter zeroes it.
	 */
	for (int i = 0; i < arg2; i++)
		counter_u64_zero(((counter_u64_t *)arg1)[i]);

	return (0);
}

/*
 * MP-friendly version of ppsratecheck().