1 /* 2 * Copyright (C) 2018 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 ART_RUNTIME_GC_RACING_CHECK_H_ 18 #define ART_RUNTIME_GC_RACING_CHECK_H_ 19 20 #include <unistd.h> 21 #include <android-base/logging.h> 22 23 // For checking purposes, we occasionally compare global counter values. 24 // These counters are generally updated without ordering constraints, and hence 25 // we may actually see inconsistent values when checking. To minimize spurious 26 // failures, try twice with an intervening short sleep. This is a hack not used 27 // in production builds. 28 #define RACING_DCHECK_LE(x, y) \ 29 if (::android::base::kEnableDChecks && ((x) > (y))) { usleep(1000); CHECK_LE(x, y); } 30 31 #endif // ART_RUNTIME_GC_RACING_CHECK_H_ 32
