| /* |
| * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| #include <assert.h> |
| #include <jni.h> |
| #include <jvmti.h> |
| #include <stdio.h> |
| #include "jni_tools.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #define FIND_CLASS(_class, _className)\ |
| if (!NSK_JNI_VERIFY(env, (_class = \ |
| NSK_CPP_STUB2(FindClass, env, _className)) != NULL))\ |
| return |
| |
| #define GET_OBJECT_CLASS(_class, _obj)\ |
| if (!NSK_JNI_VERIFY(env, (_class = \ |
| NSK_CPP_STUB2(GetObjectClass, env, _obj)) != NULL))\ |
| return |
| |
| #define GET_STATIC_FIELD_ID(_fieldID, _class, _fieldName, _fieldSig)\ |
| if (!NSK_JNI_VERIFY(env, (_fieldID = \ |
| NSK_CPP_STUB4(GetStaticFieldID, env, _class,\ |
| _fieldName, _fieldSig)) != NULL))\ |
| return |
| |
| #define GET_STATIC_OBJ_FIELD(_value, _class, _fieldName, _fieldSig)\ |
| GET_STATIC_FIELD_ID(field, _class, _fieldName, _fieldSig);\ |
| _value = NSK_CPP_STUB3(GetStaticObjectField, env, _class, \ |
| field) |
| |
| #define GET_STATIC_BOOL_FIELD(_value, _class, _fieldName)\ |
| GET_STATIC_FIELD_ID(field, _class, _fieldName, "Z");\ |
| _value = NSK_CPP_STUB3(GetStaticBooleanField, env, _class, field) |
| |
| #define GET_FIELD_ID(_fieldID, _class, _fieldName, _fieldSig)\ |
| if (!NSK_JNI_VERIFY(env, (_fieldID = \ |
| NSK_CPP_STUB4(GetFieldID, env, _class,\ |
| _fieldName, _fieldSig)) != NULL))\ |
| return |
| |
| #define GET_INT_FIELD(_value, _obj, _class, _fieldName)\ |
| GET_FIELD_ID(field, _class, _fieldName, "I");\ |
| _value = NSK_CPP_STUB3(GetIntField, env, _obj, field) |
| |
| #define GET_BOOL_FIELD(_value, _obj, _class, _fieldName)\ |
| GET_FIELD_ID(field, _class, _fieldName, "Z");\ |
| _value = NSK_CPP_STUB3(GetBooleanField, env, _obj, field) |
| |
| #define GET_LONG_FIELD(_value, _obj, _class, _fieldName)\ |
| GET_FIELD_ID(field, _class, _fieldName, "J");\ |
| _value = NSK_CPP_STUB3(GetLongField, env, _obj, field) |
| |
| #define GET_STATIC_INT_FIELD(_value, _class, _fieldName)\ |
| GET_STATIC_FIELD_ID(field, _class, _fieldName, "I");\ |
| _value = NSK_CPP_STUB3(GetStaticIntField, env, _class, field) |
| |
| #define SET_INT_FIELD(_obj, _class, _fieldName, _newValue)\ |
| GET_FIELD_ID(field, _class, _fieldName, "I");\ |
| NSK_CPP_STUB4(SetIntField, env, _obj, field, _newValue) |
| |
| #define GET_OBJ_FIELD(_value, _obj, _class, _fieldName, _fieldSig)\ |
| GET_FIELD_ID(field, _class, _fieldName, _fieldSig);\ |
| _value = NSK_CPP_STUB3(GetObjectField, env, _obj, field) |
| |
| |
| #define GET_ARR_ELEMENT(_arr, _index)\ |
| NSK_CPP_STUB3(GetObjectArrayElement, env, _arr, _index) |
| |
| #define SET_ARR_ELEMENT(_arr, _index, _newValue)\ |
| NSK_CPP_STUB4(SetObjectArrayElement, env, _arr, _index, _newValue) |
| |
| #define GET_STATIC_METHOD_ID(_methodID, _class, _methodName, _sig)\ |
| if (!NSK_JNI_VERIFY(env, (_methodID = \ |
| NSK_CPP_STUB4(GetStaticMethodID, env, _class,\ |
| _methodName, _sig)) != NULL))\ |
| return |
| |
| #define GET_METHOD_ID(_methodID, _class, _methodName, _sig)\ |
| if (!NSK_JNI_VERIFY(env, (_methodID = \ |
| NSK_CPP_STUB4(GetMethodID, env, _class,\ |
| _methodName, _sig)) != NULL))\ |
| return |
| |
| #define CALL_STATIC_VOID_NOPARAM(_class, _methodName)\ |
| GET_STATIC_METHOD_ID(method, _class, _methodName, "()V");\ |
| if (!NSK_JNI_VERIFY_VOID(env, NSK_CPP_STUB3(CallStaticVoidMethod, env,\ |
| _class, method)))\ |
| return |
| |
| #define CALL_STATIC_VOID(_class, _methodName, _sig, _param)\ |
| GET_STATIC_METHOD_ID(method, _class, _methodName, _sig);\ |
| if (!NSK_JNI_VERIFY_VOID(env, NSK_CPP_STUB4(CallStaticVoidMethod, env,\ |
| _class, method, _param)))\ |
| return |
| |
| #define CALL_STATIC_OBJ(_value, _class, _methodName, _sig, _param)\ |
| GET_STATIC_METHOD_ID(method, _class, _methodName, _sig);\ |
| _value = NSK_CPP_STUB4(CallStaticObjectMethod, env, _class, method, _param) |
| |
| #define CALL_VOID_NOPARAM(_obj, _class, _methodName)\ |
| GET_METHOD_ID(method, _class, _methodName, "()V");\ |
| if (!NSK_JNI_VERIFY_VOID(env, NSK_CPP_STUB3(CallVoidMethod, env, _obj,\ |
| method)))\ |
| return |
| |
| #define CALL_VOID(_obj, _class, _methodName, _sig, _param)\ |
| GET_METHOD_ID(method, _class, _methodName, "()V");\ |
| if (!NSK_JNI_VERIFY_VOID(env, NSK_CPP_STUB4(CallVoidMethod, env, _obj,\ |
| method, _param)))\ |
| return |
| |
| #define CALL_VOID2(_obj, _class, _methodName, _sig, _param1, _param2)\ |
| GET_METHOD_ID(method, _class, _methodName, _sig);\ |
| if (!NSK_JNI_VERIFY_VOID(env, NSK_CPP_STUB5(CallVoidMethod, env, _obj, \ |
| method, _param1, _param2)))\ |
| return |
| |
| #define CALL_INT_NOPARAM(_value, _obj, _class, _methodName)\ |
| GET_METHOD_ID(method, _class, _methodName, "()I");\ |
| _value = NSK_CPP_STUB3(CallIntMethod, env, _obj, method) |
| |
| #define NEW_OBJ(_obj, _class, _constructorName, _sig, _params)\ |
| GET_METHOD_ID(method, _class, _constructorName, _sig);\ |
| if (!NSK_JNI_VERIFY(env, (_obj = \ |
| NSK_CPP_STUB4(NewObject, env, _class, method, _params)) != NULL))\ |
| return |
| |
| #define MONITOR_ENTER(x) \ |
| NSK_JNI_VERIFY(env, NSK_CPP_STUB2(MonitorEnter, env, x) == 0) |
| |
| #define MONITOR_EXIT(x) \ |
| NSK_JNI_VERIFY(env, NSK_CPP_STUB2(MonitorExit, env, x) == 0) |
| |
| #define TRACE(msg)\ |
| GET_OBJ_FIELD(logger, obj, threadClass, "logger", "Lnsk/share/Log$Logger;");\ |
| jmsg = NSK_CPP_STUB2(NewStringUTF, env, msg);\ |
| CALL_VOID2(logger, loggerClass, "trace",\ |
| "(ILjava/lang/String;)V", 50, jmsg) |
| |
| static const char *SctrlClassName="nsk/monitoring/share/ThreadController"; |
| static const char *SthreadControllerSig |
| = "Lnsk/monitoring/share/ThreadController;"; |
| |
| static const char *SThreadsGroupLocksSig |
| ="Lnsk/monitoring/share/ThreadsGroupLocks;"; |
| static const char *SThreadsGroupLocksClassName |
| ="nsk/monitoring/share/ThreadsGroupLocks"; |
| |
| |
| static const char *SbringState_mn="bringState"; |
| static const char *SnativeBringState_mn="nativeBringState"; |
| static const char *SrecursiveMethod_mn="recursiveMethod"; |
| static const char *SnativeRecursiveMethod_mn="nativeRecursiveMethod"; |
| static const char *SloggerClassName = "nsk/share/Log$Logger"; |
| |
| static const char *Snoparams="()V"; |
| static const char *Slongparam="(J)V"; |
| |
| /* |
| * Class: nsk_monitoring_share_BaseThread |
| * Method: nativeRecursiveMethod |
| * Signature: ()V |
| */ |
| JNIEXPORT void JNICALL |
| Java_nsk_monitoring_share_BaseThread_nativeRecursiveMethod(JNIEnv *env, |
| jobject obj) { |
| jint currDepth, maxDepth; |
| jobject logger; |
| jstring jmsg; |
| jfieldID field; |
| jmethodID method; |
| |
| jobject controller; |
| jclass threadClass, ctrlClass, loggerClass; |
| |
| int invocationType; |
| |
| GET_OBJECT_CLASS(threadClass, obj); |
| FIND_CLASS(ctrlClass, SctrlClassName); |
| FIND_CLASS(loggerClass, SloggerClassName); |
| |
| |
| /* currDepth++ */ |
| GET_INT_FIELD(currDepth, obj, threadClass, "currentDepth"); |
| currDepth++; |
| SET_INT_FIELD(obj, threadClass, "currentDepth", currDepth); |
| |
| GET_OBJ_FIELD(controller, obj, threadClass, "controller", |
| SthreadControllerSig); |
| GET_INT_FIELD(maxDepth, controller, ctrlClass, "maxDepth"); |
| |
| GET_STATIC_INT_FIELD(invocationType, ctrlClass, "invocationType"); |
| |
| if (maxDepth - currDepth > 0) |
| { |
| CALL_STATIC_VOID_NOPARAM(threadClass, "yield"); |
| |
| if (invocationType == 2/*MIXED_TYPE*/) |
| { |
| CALL_VOID_NOPARAM(obj, threadClass, SrecursiveMethod_mn); |
| } |
| else |
| { |
| CALL_VOID_NOPARAM(obj, threadClass, SnativeRecursiveMethod_mn); |
| } |
| } |
| else |
| { |
| TRACE("state has been reached"); |
| if (invocationType == 2/*MIXED_TYPE*/) |
| { |
| CALL_VOID_NOPARAM(obj, threadClass, SbringState_mn); |
| } |
| else |
| { |
| CALL_VOID_NOPARAM(obj, threadClass, SnativeBringState_mn); |
| } |
| } |
| |
| currDepth--; |
| GET_OBJECT_CLASS(threadClass, obj); |
| SET_INT_FIELD(obj, threadClass, "currentDepth", currDepth); |
| } |
| |
| /* |
| * Class: nsk_monitoring_share_BlockedThread |
| * Method: nativeBringState |
| * Signature: ()V |
| */ |
| JNIEXPORT void JNICALL |
| Java_nsk_monitoring_share_BlockedThread_nativeBringState(JNIEnv *env, |
| jobject obj) { |
| jobject logger; |
| jstring jmsg; |
| jfieldID field; |
| jmethodID method; |
| |
| jclass threadClass, loggerClass; |
| |
| jobject STATE; |
| |
| //ThreadsGroupLocks: |
| jclass ThreadsGroupLocks; |
| jobject threadsGroupLocks; |
| jmethodID getBarrier; |
| |
| |
| //CountDownLatch |
| jobject barrier; |
| jclass CountDownLatch; |
| |
| //Blocker |
| jobject blocker; |
| jclass Blocker; |
| |
| GET_OBJECT_CLASS(threadClass, obj); |
| |
| FIND_CLASS(loggerClass, SloggerClassName); |
| FIND_CLASS(ThreadsGroupLocks, SThreadsGroupLocksClassName); |
| FIND_CLASS(Blocker, "Lnsk/monitoring/share/ThreadsGroupLocks$Blocker;"); |
| FIND_CLASS(CountDownLatch, "nsk/monitoring/share/ThreadsGroupLocks$PlainCountDownLatch"); |
| |
| GET_OBJ_FIELD(threadsGroupLocks, obj, threadClass, "threadsGroupLocks", SThreadsGroupLocksSig); |
| GET_STATIC_OBJ_FIELD(STATE, threadClass, "STATE", "Ljava/lang/Thread$State;"); |
| GET_OBJ_FIELD(blocker, threadsGroupLocks, ThreadsGroupLocks, "blocker", "Lnsk/monitoring/share/ThreadsGroupLocks$Blocker;"); |
| |
| getBarrier = (*env)->GetMethodID(env, ThreadsGroupLocks, "getBarrier", |
| "(Ljava/lang/Thread$State;)Lnsk/monitoring/share/ThreadsGroupLocks$PlainCountDownLatch;"); |
| barrier = (*env)->CallObjectMethod(env, threadsGroupLocks, getBarrier, STATE); |
| |
| |
| TRACE("entering to monitor"); |
| |
| CALL_VOID_NOPARAM(barrier, CountDownLatch, "countDown"); |
| CALL_VOID_NOPARAM(blocker, Blocker, "block"); |
| TRACE("exiting from monitor"); |
| |
| } |
| |
| /* |
| * Class: nsk_monitoring_share_WaitingThread |
| * Method: nativeBringState |
| * Signature: ()V |
| */ |
| JNIEXPORT void JNICALL |
| Java_nsk_monitoring_share_WaitingThread_nativeBringState(JNIEnv *env, |
| jobject obj) { |
| jobject logger; |
| jstring jmsg; |
| jfieldID field; |
| jmethodID method; |
| |
| jclass threadClass, loggerClass; |
| |
| //STATE |
| jobject STATE; |
| |
| //ThreadsGroupLocks: |
| jclass ThreadsGroupLocks; |
| jobject threadsGroupLocks; |
| jmethodID getBarrier; |
| |
| //CountDownLatch |
| jobject barrier; |
| jclass CountDownLatch; |
| |
| GET_OBJECT_CLASS(threadClass, obj); |
| |
| FIND_CLASS(loggerClass, SloggerClassName); |
| FIND_CLASS(ThreadsGroupLocks, "nsk/monitoring/share/ThreadsGroupLocks"); |
| FIND_CLASS(CountDownLatch, "nsk/monitoring/share/ThreadsGroupLocks$PlainCountDownLatch"); |
| |
| GET_STATIC_OBJ_FIELD(STATE, threadClass, "STATE", "Ljava/lang/Thread$State;"); |
| GET_OBJ_FIELD(threadsGroupLocks, obj, threadClass, "threadsGroupLocks", "Lnsk/monitoring/share/ThreadsGroupLocks;"); |
| |
| getBarrier = (*env)->GetMethodID(env, ThreadsGroupLocks, "getBarrier", |
| "(Ljava/lang/Thread$State;)Lnsk/monitoring/share/ThreadsGroupLocks$PlainCountDownLatch;"); |
| barrier = (*env)->CallObjectMethod(env, threadsGroupLocks, getBarrier, STATE); |
| CALL_VOID_NOPARAM(barrier, CountDownLatch, "countDown"); |
| |
| TRACE("waiting on a monitor"); |
| CALL_VOID_NOPARAM(barrier, CountDownLatch, "await"); |
| } |
| |
| /* |
| * Class: nsk_monitoring_share_SleepingThread |
| * Method: nativeBringState |
| * Signature: ()V |
| */ |
| JNIEXPORT void JNICALL |
| Java_nsk_monitoring_share_SleepingThread_nativeBringState(JNIEnv *env, |
| jobject obj) { |
| jfieldID field; |
| jmethodID method; |
| |
| jclass threadClass, loggerClass; |
| |
| //STATE |
| jobject STATE; |
| |
| //ThreadsGroupLocks: |
| jclass ThreadsGroupLocks; |
| jobject threadsGroupLocks; |
| jmethodID getBarrier; |
| |
| //CountDownLatch |
| jobject barrier; |
| jclass CountDownLatch; |
| |
| //Thread |
| jclass Thread; |
| |
| jlong sleepTime = 20 * 60 * 1000; |
| |
| |
| GET_OBJECT_CLASS(threadClass, obj); |
| |
| FIND_CLASS(loggerClass, SloggerClassName); |
| FIND_CLASS(ThreadsGroupLocks, "nsk/monitoring/share/ThreadsGroupLocks"); |
| FIND_CLASS(CountDownLatch, "nsk/monitoring/share/ThreadsGroupLocks$PlainCountDownLatch"); |
| |
| GET_STATIC_OBJ_FIELD(STATE, threadClass, "STATE", "Ljava/lang/Thread$State;"); |
| GET_OBJ_FIELD(threadsGroupLocks, obj, threadClass, "threadsGroupLocks", "Lnsk/monitoring/share/ThreadsGroupLocks;"); |
| |
| // Thread.sleep(3600 * 1000); |
| FIND_CLASS(Thread, "java/lang/Thread"); |
| |
| getBarrier = (*env)->GetMethodID(env, ThreadsGroupLocks, "getBarrier", |
| "(Ljava/lang/Thread$State;)Lnsk/monitoring/share/ThreadsGroupLocks$PlainCountDownLatch;"); |
| barrier = (*env)->CallObjectMethod(env, threadsGroupLocks, getBarrier, STATE); |
| CALL_VOID_NOPARAM(barrier, CountDownLatch, "countDown"); |
| |
| CALL_STATIC_VOID(Thread, "sleep", "(J)V", sleepTime); |
| } |
| |
| /* |
| * Class: nsk_monitoring_share_RunningThread |
| * Method: nativeBringState |
| * Signature: ()V |
| */ |
| JNIEXPORT void JNICALL |
| Java_nsk_monitoring_share_RunningThread_nativeBringState(JNIEnv *env, |
| jobject obj) { |
| jobject logger; |
| jstring jmsg; |
| jfieldID field; |
| jmethodID method; |
| |
| jclass threadClass, loggerClass; |
| |
| //STATE |
| jobject STATE; |
| |
| //ThreadsGroupLocks: |
| jclass ThreadsGroupLocks; |
| jobject threadsGroupLocks; |
| jmethodID getBarrier; |
| |
| //CountDownLatch |
| jobject barrier; |
| jclass CountDownLatch; |
| |
| //Thread |
| jclass Thread; |
| |
| //runnableCanExit |
| jboolean flag = JNI_FALSE; |
| |
| GET_OBJECT_CLASS(threadClass, obj); |
| |
| FIND_CLASS(loggerClass, SloggerClassName); |
| FIND_CLASS(ThreadsGroupLocks, "nsk/monitoring/share/ThreadsGroupLocks"); |
| FIND_CLASS(CountDownLatch, "nsk/monitoring/share/ThreadsGroupLocks$PlainCountDownLatch"); |
| |
| GET_STATIC_OBJ_FIELD(STATE, threadClass, "STATE", "Ljava/lang/Thread$State;"); |
| GET_OBJ_FIELD(threadsGroupLocks, obj, threadClass, "threadsGroupLocks", "Lnsk/monitoring/share/ThreadsGroupLocks;"); |
| |
| // Thread.sleep(3600 * 1000); |
| FIND_CLASS(Thread, "java/lang/Thread"); |
| |
| getBarrier = (*env)->GetMethodID(env, ThreadsGroupLocks, "getBarrier", |
| "(Ljava/lang/Thread$State;)Lnsk/monitoring/share/ThreadsGroupLocks$PlainCountDownLatch;"); |
| |
| TRACE("running loop"); |
| |
| barrier = (*env)->CallObjectMethod(env, threadsGroupLocks, getBarrier, STATE); |
| CALL_VOID_NOPARAM(barrier, CountDownLatch, "countDown"); |
| |
| // while (!threadsGroupLocks.runnableCanExit.get()) { |
| // Thread.yield(); |
| // } |
| while(flag==JNI_FALSE) |
| { |
| GET_BOOL_FIELD(flag, threadsGroupLocks, ThreadsGroupLocks, "runnableCanExit"); |
| CALL_STATIC_VOID_NOPARAM(Thread, "yield"); |
| } |
| |
| } |
| |
| jstring getStateName(JNIEnv *env, jint state) { |
| switch (state & JVMTI_JAVA_LANG_THREAD_STATE_MASK) { |
| case JVMTI_JAVA_LANG_THREAD_STATE_NEW: |
| return (*env)->NewStringUTF(env,"NEW"); |
| case JVMTI_JAVA_LANG_THREAD_STATE_TERMINATED: |
| return (*env)->NewStringUTF(env,"TERMINATED"); |
| case JVMTI_JAVA_LANG_THREAD_STATE_RUNNABLE: |
| return (*env)->NewStringUTF(env,"RUNNABLE"); |
| case JVMTI_JAVA_LANG_THREAD_STATE_BLOCKED: |
| return (*env)->NewStringUTF(env,"BLOCKED"); |
| case JVMTI_JAVA_LANG_THREAD_STATE_WAITING: |
| return (*env)->NewStringUTF(env, "WAITING"); |
| case JVMTI_JAVA_LANG_THREAD_STATE_TIMED_WAITING: |
| return (*env)->NewStringUTF(env,"TIMED_WAITING"); |
| } |
| // should never reach |
| assert(0); |
| return 0; |
| } |
| |
| /* |
| * Class: nsk_monitoring_share_ThreadController |
| * Method: getThreadState |
| * Signature: (Ljava/lang/Thread;)Ljava/lang/Thread/State; |
| */ |
| JNIEXPORT jobject JNICALL |
| Java_nsk_monitoring_share_ThreadController_getThreadState(JNIEnv *env, |
| jobject obj, jobject thread){ |
| |
| JavaVM *vm; |
| jvmtiEnv *jvmti; |
| jclass ThreadState; |
| jmethodID method; |
| jobject threadState; |
| jstring stateName; |
| jint state; |
| |
| if(!NSK_VERIFY( |
| NSK_CPP_STUB2(GetJavaVM, env, &vm) == 0)) { |
| return NULL; |
| } |
| |
| if(!NSK_VERIFY( |
| NSK_CPP_STUB3(GetEnv, vm, (void **)&jvmti, JVMTI_VERSION_1) |
| == JNI_OK)) { |
| return NULL; |
| } |
| |
| if(!NSK_VERIFY( |
| NSK_CPP_STUB3(GetThreadState, jvmti, (jthread)thread, &state) |
| == JVMTI_ERROR_NONE)) { |
| return NULL; |
| } |
| |
| stateName = getStateName(env, state); |
| if (!NSK_JNI_VERIFY(env, (ThreadState = NSK_CPP_STUB2(FindClass, env, "java/lang/Thread$State")) != NULL)) |
| return NULL; |
| |
| if (!NSK_JNI_VERIFY(env, (method = NSK_CPP_STUB4(GetStaticMethodID, env, ThreadState, "valueOf", "(Ljava/lang/String;)Ljava/lang/Thread$State;")) != NULL)) |
| return NULL; |
| threadState = NSK_CPP_STUB4(CallStaticObjectMethod, env, ThreadState, method, stateName); |
| |
| return threadState; |
| } |
| |
| #ifdef __cplusplus |
| } |
| #endif |
