1 /* 2 * Copyright (C) 2008 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 #include "java_util_concurrent_atomic_AtomicLong.h" 18 19 #include "nativehelper/jni_macros.h" 20 21 #include "arch/instruction_set.h" 22 #include "base/atomic.h" 23 #include "base/quasi_atomic.h" 24 #include "jni_internal.h" 25 #include "native_util.h" 26 27 namespace art { 28 29 static jboolean AtomicLong_VMSupportsCS8(JNIEnv*, jclass) { 30 return QuasiAtomic::LongAtomicsUseMutexes(kRuntimeISA) ? JNI_FALSE : JNI_TRUE; 31 } 32 33 static JNINativeMethod gMethods[] = { 34 NATIVE_METHOD(AtomicLong, VMSupportsCS8, "()Z"), 35 }; 36 37 void register_java_util_concurrent_atomic_AtomicLong(JNIEnv* env) { 38 REGISTER_NATIVE_METHODS("java/util/concurrent/atomic/AtomicLong"); 39 } 40 41 } // namespace art 42
