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Diffstat (limited to 'src/java_lang_Thread.cc')
-rw-r--r-- | src/java_lang_Thread.cc | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/src/java_lang_Thread.cc b/src/java_lang_Thread.cc new file mode 100644 index 0000000..44578ee --- /dev/null +++ b/src/java_lang_Thread.cc @@ -0,0 +1,128 @@ +/* + * Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "jni_internal.h" +#include "object.h" +#include "thread.h" +#include "thread_list.h" + +#include "JniConstants.h" // Last to avoid problems with LOG redefinition. + +namespace art { + +namespace { + +jobject Thread_currentThread(JNIEnv* env, jclass) { + Object* peer = Decode<Object*>(env, Thread::Current()->GetPeer()); + return AddLocalReference<jobject>(env, peer); +} + +jboolean Thread_interrupted(JNIEnv* env, jclass) { + return Thread::Current()->Interrupted(); +} + +jboolean Thread_isInterrupted(JNIEnv* env, jobject javaThread) { + ThreadListLock lock; + Thread* thread = Thread::FromManagedThread(env, javaThread); + return thread->IsInterrupted(); +} + +void Thread_nativeCreate(JNIEnv* env, jclass, jobject javaThread, jlong stackSize) { + UNIMPLEMENTED(FATAL); + //Object* threadObj = dvmDecodeIndirectRef(env, javaThread); + //dvmCreateInterpThread(threadObj, (int) stackSize); +} + +jint Thread_nativeGetStatus(JNIEnv* env, jobject javaThread) { + ThreadListLock lock; + Thread* thread = Thread::FromManagedThread(env, javaThread); + return static_cast<jint>(thread->GetState()); +} + +jboolean Thread_nativeHoldsLock(JNIEnv* env, jobject javaThread, jobject javaObject) { + ThreadListLock lock; + //Thread* thread = Thread::FromManagedThread(env, javaThread); + //Object* object = dvmDecodeIndirectRef(env, javaObject); + //if (object == NULL) { + //dvmThrowNullPointerException("object == null"); + //return JNI_FALSE; + //} + //Thread* thread = Thread::FromManagedThread(env, javaThread); + //int result = dvmHoldsLock(thread, object); + //return result; + UNIMPLEMENTED(FATAL); + return JNI_FALSE; +} + +void Thread_nativeInterrupt(JNIEnv* env, jobject javaThread) { + ThreadListLock lock; + UNIMPLEMENTED(FATAL); + //Thread* thread = Thread::FromManagedThread(env, javaThread); + //if (thread != NULL) { + //dvmThreadInterrupt(thread); + //} +} + +void Thread_nativeSetName(JNIEnv* env, jobject javaThread, jstring javaName) { + ThreadListLock lock; + UNIMPLEMENTED(WARNING); + //Thread* thread = Thread::FromManagedThread(env, javaThread); + //StringObject* nameStr = (StringObject*) dvmDecodeIndirectRef(env, javaName); + //int threadId = (thread != NULL) ? thread->threadId : -1; + //dvmDdmSendThreadNameChange(threadId, nameStr); +} + +/* + * Alter the priority of the specified thread. "newPriority" will range + * from Thread.MIN_PRIORITY to Thread.MAX_PRIORITY (1-10), with "normal" + * threads at Thread.NORM_PRIORITY (5). + */ +void Thread_nativeSetPriority(JNIEnv* env, jobject javaThread, jint newPriority) { + ThreadListLock lock; + Thread* thread = Thread::FromManagedThread(env, javaThread); + thread->SetNativePriority(newPriority); +} + +/* + * Causes the thread to temporarily pause and allow other threads to execute. + * + * The exact behavior is poorly defined. Some discussion here: + * http://www.cs.umd.edu/~pugh/java/memoryModel/archive/0944.html + */ +void Thread_yield(JNIEnv*, jobject) { + sched_yield(); +} + +static JNINativeMethod gMethods[] = { + NATIVE_METHOD(Thread, currentThread, "()Ljava/lang/Thread;"), + NATIVE_METHOD(Thread, interrupted, "()Z"), + NATIVE_METHOD(Thread, isInterrupted, "()Z"), + NATIVE_METHOD(Thread, nativeCreate, "(Ljava/lang/Thread;J)V"), + NATIVE_METHOD(Thread, nativeGetStatus, "()I"), + NATIVE_METHOD(Thread, nativeHoldsLock, "(Ljava/lang/Object;)Z"), + NATIVE_METHOD(Thread, nativeInterrupt, "()V"), + NATIVE_METHOD(Thread, nativeSetName, "(Ljava/lang/String;)V"), + NATIVE_METHOD(Thread, nativeSetPriority, "(I)V"), + NATIVE_METHOD(Thread, yield, "()V"), +}; + +} // namespace + +void register_java_lang_Thread(JNIEnv* env) { + jniRegisterNativeMethods(env, "java/lang/Thread", gMethods, NELEM(gMethods)); +} + +} // namespace art |