author | ohair |
Tue, 28 Dec 2010 15:53:50 -0800 | |
changeset 7668 | d4a77089c587 |
parent 6850 | 56966b0a6a0d |
child 22299 | ee71d2eaa085 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2003, 2010, 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 <stdio.h> |
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6850
56966b0a6a0d
6989466: Miscellaneous compiler warnings in java/lang, java/util, java/io, sun/misc native code
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#include <string.h> |
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#include <jni.h> |
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#include "management.h" |
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#include "sun_management_Flag.h" |
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static jobject default_origin = NULL; |
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static jobject vm_creation_origin = NULL; |
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static jobject mgmt_origin = NULL; |
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static jobject envvar_origin = NULL; |
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static jobject config_file_origin = NULL; |
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static jobject ergo_origin = NULL; |
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static jobject other_origin = NULL; |
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JNIEXPORT jint JNICALL |
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Java_sun_management_Flag_getInternalFlagCount |
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(JNIEnv *env, jclass cls) |
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{ |
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jlong count = jmm_interface->GetLongAttribute(env, NULL, |
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JMM_VM_GLOBAL_COUNT); |
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return (jint) count; |
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} |
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JNIEXPORT jobjectArray JNICALL |
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Java_sun_management_Flag_getAllFlagNames |
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(JNIEnv *env, jclass cls) |
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{ |
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return jmm_interface->GetVMGlobalNames(env); |
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} |
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static jobject find_origin_constant(JNIEnv* env, const char* enum_name) { |
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jvalue field; |
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field = JNU_GetStaticFieldByName(env, |
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NULL, |
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"com/sun/management/VMOption$Origin", |
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enum_name, |
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"Lcom/sun/management/VMOption$Origin;"); |
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return (*env)->NewGlobalRef(env, field.l); |
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} |
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JNIEXPORT void JNICALL |
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Java_sun_management_Flag_initialize |
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(JNIEnv *env, jclass cls) |
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{ |
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default_origin = find_origin_constant(env, "DEFAULT"); |
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vm_creation_origin = find_origin_constant(env, "VM_CREATION"); |
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mgmt_origin = find_origin_constant(env, "MANAGEMENT"); |
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envvar_origin = find_origin_constant(env, "ENVIRON_VAR"); |
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config_file_origin = find_origin_constant(env, "CONFIG_FILE"); |
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ergo_origin = find_origin_constant(env, "ERGONOMIC"); |
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other_origin = find_origin_constant(env, "OTHER"); |
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} |
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JNIEXPORT jint JNICALL |
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Java_sun_management_Flag_getFlags |
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(JNIEnv *env, jclass cls, jobjectArray names, jobjectArray flags, jint count) |
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{ |
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jint num_flags, i, index; |
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jmmVMGlobal* globals; |
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size_t gsize; |
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const char* class_name = "sun/management/Flag"; |
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const char* signature = "(Ljava/lang/String;Ljava/lang/Object;ZZLcom/sun/management/VMOption$Origin;)V"; |
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jobject origin; |
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jobject valueObj; |
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jobject flag; |
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if (flags == NULL) { |
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JNU_ThrowNullPointerException(env, 0); |
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return 0; |
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} |
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if (count == 0) { |
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JNU_ThrowIllegalArgumentException(env, 0); |
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return 0; |
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} |
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gsize = count * sizeof(jmmVMGlobal); |
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globals = (jmmVMGlobal*) malloc(gsize); |
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if (globals == NULL) { |
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JNU_ThrowOutOfMemoryError(env, 0); |
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return 0; |
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} |
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memset(globals, 0, gsize); |
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num_flags = jmm_interface->GetVMGlobals(env, names, globals, count); |
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if (num_flags == 0) { |
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free(globals); |
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return 0; |
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} |
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index = 0; |
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for (i = 0; i < count; i++) { |
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if (globals[i].name == NULL) { |
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continue; |
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} |
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switch (globals[i].type) { |
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case JMM_VMGLOBAL_TYPE_JBOOLEAN: |
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valueObj = JNU_NewObjectByName(env, "java/lang/Boolean", "(Z)V", |
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globals[i].value.z); |
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break; |
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case JMM_VMGLOBAL_TYPE_JSTRING: |
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valueObj = globals[i].value.l; |
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break; |
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case JMM_VMGLOBAL_TYPE_JLONG: |
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valueObj = JNU_NewObjectByName(env, "java/lang/Long", "(J)V", |
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globals[i].value.j); |
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break; |
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default: |
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// ignore unsupported type |
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continue; |
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} |
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switch (globals[i].origin) { |
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case JMM_VMGLOBAL_ORIGIN_DEFAULT: |
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origin = default_origin; |
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break; |
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case JMM_VMGLOBAL_ORIGIN_COMMAND_LINE: |
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origin = vm_creation_origin; |
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break; |
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case JMM_VMGLOBAL_ORIGIN_MANAGEMENT: |
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origin = mgmt_origin; |
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break; |
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case JMM_VMGLOBAL_ORIGIN_ENVIRON_VAR: |
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origin = envvar_origin; |
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break; |
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case JMM_VMGLOBAL_ORIGIN_CONFIG_FILE: |
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origin = config_file_origin; |
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break; |
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case JMM_VMGLOBAL_ORIGIN_ERGONOMIC: |
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origin = ergo_origin; |
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break; |
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case JMM_VMGLOBAL_ORIGIN_OTHER: |
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origin = other_origin; |
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break; |
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default: |
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// unknown origin |
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origin = other_origin; |
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break; |
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} |
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flag = JNU_NewObjectByName(env, class_name, signature, globals[i].name, |
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valueObj, globals[i].writeable, |
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globals[i].external, origin); |
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if (flag == NULL) { |
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free(globals); |
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JNU_ThrowOutOfMemoryError(env, 0); |
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return 0; |
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} |
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(*env)->SetObjectArrayElement(env, flags, index, flag); |
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index++; |
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} |
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if (index != num_flags) { |
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JNU_ThrowInternalError(env, "Number of Flag objects created unmatched"); |
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free(globals); |
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return 0; |
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} |
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free(globals); |
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/* return the number of Flag objects created */ |
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return num_flags; |
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} |
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JNIEXPORT void JNICALL |
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Java_sun_management_Flag_setLongValue |
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(JNIEnv *env, jclass cls, jstring name, jlong value) |
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{ |
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jvalue v; |
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v.j = value; |
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jmm_interface->SetVMGlobal(env, name, v); |
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} |
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JNIEXPORT void JNICALL |
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Java_sun_management_Flag_setBooleanValue |
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(JNIEnv *env, jclass cls, jstring name, jboolean value) |
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{ |
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jvalue v; |
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v.z = value; |
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jmm_interface->SetVMGlobal(env, name, v); |
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} |
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JNIEXPORT void JNICALL |
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Java_sun_management_Flag_setStringValue |
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(JNIEnv *env, jclass cls, jstring name, jstring value) |
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{ |
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jvalue v; |
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v.l = value; |
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jmm_interface->SetVMGlobal(env, name, v); |
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} |