1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef METRICSD_UPLOADER_CRASH_COUNTERS_H_ 18 #define METRICSD_UPLOADER_CRASH_COUNTERS_H_ 19 20 #include <atomic> 21 22 // This class is used to keep track of the crash counters. 23 // An instance of it will be used by both the binder thread (to increment the 24 // counters) and the uploader thread (to gather and reset the counters). 25 // As such, the internal counters are atomic uints to allow concurrent access. 26 class CrashCounters { 27 public: 28 CrashCounters(); 29 30 void IncrementKernelCrashCount(); 31 unsigned int GetAndResetKernelCrashCount(); 32 33 void IncrementUserCrashCount(); 34 unsigned int GetAndResetUserCrashCount(); 35 36 void IncrementUncleanShutdownCount(); 37 unsigned int GetAndResetUncleanShutdownCount(); 38 39 private: 40 std::atomic_uint kernel_crashes_; 41 std::atomic_uint unclean_shutdowns_; 42 std::atomic_uint user_crashes_; 43 }; 44 45 #endif // METRICSD_UPLOADER_CRASH_COUNTERS_H_ 46