1 /****************************************************************************** 2 * 3 * Copyright (C) 2014 Google, Inc. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ******************************************************************************/ 18 19 #pragma once 20 21 #include <stdbool.h> 22 #include <stdint.h> 23 24 static const char COUNTER_MODULE[] = "counter_module"; 25 26 typedef int64_t counter_data_t; 27 28 // Used to iterate across all counters. 29 typedef bool (*counter_iter_cb)(const char *name, counter_data_t val, void *context); 30 31 // Mutators. 32 void counter_set(const char *name, counter_data_t val); 33 void counter_add(const char *name, counter_data_t val); 34 35 // Iteration. 36 bool counter_foreach(counter_iter_cb, void *context); 37
