author | chegar |
Sun, 17 Aug 2014 15:54:13 +0100 | |
changeset 25859 | 3317bb8137f4 |
parent 22624 | jdk/src/share/native/sun/management/DiagnosticCommandImpl.c@860bde7fa0eb |
child 27192 | a16236cd61d7 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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#include <stdlib.h> |
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#include <jni.h> |
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#include "management.h" |
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#include "sun_management_DiagnosticCommandImpl.h" |
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JNIEXPORT void JNICALL Java_sun_management_DiagnosticCommandImpl_setNotificationEnabled |
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(JNIEnv *env, jobject dummy, jboolean enabled) { |
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if (jmm_version <= JMM_VERSION_1_2_2) { |
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JNU_ThrowByName(env, "java/lang/UnsupportedOperationException", |
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"JMX interface to diagnostic framework notifications is not supported by this VM"); |
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return; |
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} |
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jmm_interface->SetDiagnosticFrameworkNotificationEnabled(env, enabled); |
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} |
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JNIEXPORT jobjectArray JNICALL |
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Java_sun_management_DiagnosticCommandImpl_getDiagnosticCommands |
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(JNIEnv *env, jobject dummy) |
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{ |
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return jmm_interface->GetDiagnosticCommands(env); |
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} |
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jobject getDiagnosticCommandArgumentInfoArray(JNIEnv *env, jstring command, |
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int num_arg) { |
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int i; |
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jobject obj; |
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jobjectArray result; |
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dcmdArgInfo* dcmd_arg_info_array; |
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jclass dcmdArgInfoCls; |
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jclass arraysCls; |
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jmethodID mid; |
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jobject resultList; |
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dcmd_arg_info_array = (dcmdArgInfo*) malloc(num_arg * sizeof(dcmdArgInfo)); |
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/* According to ISO C it is perfectly legal for malloc to return zero if called with a zero argument */ |
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if (dcmd_arg_info_array == NULL && num_arg != 0) { |
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return NULL; |
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} |
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jmm_interface->GetDiagnosticCommandArgumentsInfo(env, command, |
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dcmd_arg_info_array); |
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dcmdArgInfoCls = (*env)->FindClass(env, |
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"sun/management/DiagnosticCommandArgumentInfo"); |
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result = (*env)->NewObjectArray(env, num_arg, dcmdArgInfoCls, NULL); |
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if (result == NULL) { |
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free(dcmd_arg_info_array); |
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return NULL; |
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} |
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for (i=0; i<num_arg; i++) { |
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obj = JNU_NewObjectByName(env, |
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"sun/management/DiagnosticCommandArgumentInfo", |
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"(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;ZZZI)V", |
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(*env)->NewStringUTF(env,dcmd_arg_info_array[i].name), |
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(*env)->NewStringUTF(env,dcmd_arg_info_array[i].description), |
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(*env)->NewStringUTF(env,dcmd_arg_info_array[i].type), |
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dcmd_arg_info_array[i].default_string == NULL ? NULL: |
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(*env)->NewStringUTF(env, dcmd_arg_info_array[i].default_string), |
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dcmd_arg_info_array[i].mandatory, |
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dcmd_arg_info_array[i].option, |
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dcmd_arg_info_array[i].multiple, |
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dcmd_arg_info_array[i].position); |
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if (obj == NULL) { |
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free(dcmd_arg_info_array); |
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return NULL; |
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} |
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(*env)->SetObjectArrayElement(env, result, i, obj); |
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} |
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free(dcmd_arg_info_array); |
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arraysCls = (*env)->FindClass(env, "java/util/Arrays"); |
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mid = (*env)->GetStaticMethodID(env, arraysCls, |
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"asList", "([Ljava/lang/Object;)Ljava/util/List;"); |
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resultList = (*env)->CallStaticObjectMethod(env, arraysCls, mid, result); |
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return resultList; |
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} |
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/* Throws IllegalArgumentException if at least one of the diagnostic command |
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* passed in argument is not supported by the JVM |
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*/ |
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JNIEXPORT jobjectArray JNICALL |
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Java_sun_management_DiagnosticCommandImpl_getDiagnosticCommandInfo |
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(JNIEnv *env, jobject dummy, jobjectArray commands) |
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{ |
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int i; |
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jclass dcmdInfoCls; |
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jobject result; |
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jobjectArray args; |
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jobject obj; |
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jmmOptionalSupport mos; |
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jint ret = jmm_interface->GetOptionalSupport(env, &mos); |
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jsize num_commands; |
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dcmdInfo* dcmd_info_array; |
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if (commands == NULL) { |
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JNU_ThrowNullPointerException(env, "Invalid String Array"); |
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return NULL; |
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} |
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num_commands = (*env)->GetArrayLength(env, commands); |
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dcmdInfoCls = (*env)->FindClass(env, |
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"sun/management/DiagnosticCommandInfo"); |
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result = (*env)->NewObjectArray(env, num_commands, dcmdInfoCls, NULL); |
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if (result == NULL) { |
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JNU_ThrowOutOfMemoryError(env, 0); |
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return NULL; |
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} |
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if (num_commands == 0) { |
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/* Handle the 'zero commands' case specially to avoid calling 'malloc()' */ |
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/* with a zero argument because that may legally return a NULL pointer. */ |
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return result; |
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} |
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dcmd_info_array = (dcmdInfo*) malloc(num_commands * sizeof(dcmdInfo)); |
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if (dcmd_info_array == NULL) { |
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JNU_ThrowOutOfMemoryError(env, NULL); |
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return NULL; |
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} |
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jmm_interface->GetDiagnosticCommandInfo(env, commands, dcmd_info_array); |
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for (i=0; i<num_commands; i++) { |
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args = getDiagnosticCommandArgumentInfoArray(env, |
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(*env)->GetObjectArrayElement(env,commands,i), |
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dcmd_info_array[i].num_arguments); |
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if (args == NULL) { |
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free(dcmd_info_array); |
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JNU_ThrowOutOfMemoryError(env, 0); |
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return NULL; |
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} |
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obj = JNU_NewObjectByName(env, |
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"sun/management/DiagnosticCommandInfo", |
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"(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;ZLjava/util/List;)V", |
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(*env)->NewStringUTF(env,dcmd_info_array[i].name), |
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(*env)->NewStringUTF(env,dcmd_info_array[i].description), |
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(*env)->NewStringUTF(env,dcmd_info_array[i].impact), |
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dcmd_info_array[i].permission_class==NULL?NULL:(*env)->NewStringUTF(env,dcmd_info_array[i].permission_class), |
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dcmd_info_array[i].permission_name==NULL?NULL:(*env)->NewStringUTF(env,dcmd_info_array[i].permission_name), |
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dcmd_info_array[i].permission_action==NULL?NULL:(*env)->NewStringUTF(env,dcmd_info_array[i].permission_action), |
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dcmd_info_array[i].enabled, |
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args); |
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if (obj == NULL) { |
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free(dcmd_info_array); |
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JNU_ThrowOutOfMemoryError(env, 0); |
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return NULL; |
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} |
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(*env)->SetObjectArrayElement(env, result, i, obj); |
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} |
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free(dcmd_info_array); |
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return result; |
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} |
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/* Throws IllegalArgumentException if the diagnostic command |
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* passed in argument is not supported by the JVM |
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*/ |
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JNIEXPORT jstring JNICALL |
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Java_sun_management_DiagnosticCommandImpl_executeDiagnosticCommand |
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(JNIEnv *env, jobject dummy, jstring command) { |
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return jmm_interface->ExecuteDiagnosticCommand(env, command); |
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} |