1 /*
   2  * Copyright (c) 2003, 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 #include <jni.h>
  27 #include "jvm.h"
  28 #include "management.h"
  29 #include "sun_management_ThreadImpl.h"
  30 
  31 JNIEXPORT void JNICALL
  32 Java_sun_management_ThreadImpl_setThreadContentionMonitoringEnabled0
  33   (JNIEnv *env, jclass cls, jboolean flag)
  34 {
  35     jmm_interface->SetBoolAttribute(env, JMM_THREAD_CONTENTION_MONITORING, flag);
  36 }
  37 
  38 JNIEXPORT void JNICALL
  39 Java_sun_management_ThreadImpl_setThreadCpuTimeEnabled0
  40   (JNIEnv *env, jclass cls, jboolean flag)
  41 {
  42     jmm_interface->SetBoolAttribute(env, JMM_THREAD_CPU_TIME, flag);
  43 }
  44 
  45 JNIEXPORT void JNICALL
  46 Java_sun_management_ThreadImpl_setThreadAllocatedMemoryEnabled0
  47   (JNIEnv *env, jclass cls, jboolean flag)
  48 {
  49     jmm_interface->SetBoolAttribute(env, JMM_THREAD_ALLOCATED_MEMORY, flag);
  50 }
  51 
  52 JNIEXPORT void JNICALL
  53 Java_sun_management_ThreadImpl_getThreadInfo1
  54   (JNIEnv *env, jclass cls, jlongArray ids, jint maxDepth,
  55    jobjectArray infoArray)
  56 {
  57     jmm_interface->GetThreadInfo(env, ids, maxDepth, infoArray);
  58 }
  59 
  60 JNIEXPORT jobjectArray JNICALL
  61 Java_sun_management_ThreadImpl_getThreads
  62   (JNIEnv *env, jclass cls)
  63 {
  64     return JVM_GetAllThreads(env, cls);
  65 }
  66 
  67 JNIEXPORT jlong JNICALL
  68 Java_sun_management_ThreadImpl_getThreadTotalCpuTime0
  69   (JNIEnv *env, jclass cls, jlong tid)
  70 {
  71     return jmm_interface->GetThreadCpuTimeWithKind(env, tid, JNI_TRUE /* user+sys */);
  72 }
  73 
  74 JNIEXPORT void JNICALL
  75 Java_sun_management_ThreadImpl_getThreadTotalCpuTime1
  76   (JNIEnv *env, jclass cls, jlongArray ids, jlongArray timeArray)
  77 {
  78     jmm_interface->GetThreadCpuTimesWithKind(env, ids, timeArray,
  79                                              JNI_TRUE /* user+sys */);
  80 }
  81 
  82 JNIEXPORT jlong JNICALL
  83 Java_sun_management_ThreadImpl_getThreadUserCpuTime0
  84   (JNIEnv *env, jclass cls, jlong tid)
  85 {
  86     return jmm_interface->GetThreadCpuTimeWithKind(env, tid, JNI_FALSE /* user */);
  87 }
  88 
  89 JNIEXPORT void JNICALL
  90 Java_sun_management_ThreadImpl_getThreadUserCpuTime1
  91   (JNIEnv *env, jclass cls, jlongArray ids, jlongArray timeArray)
  92 {
  93     jmm_interface->GetThreadCpuTimesWithKind(env, ids, timeArray,
  94                                              JNI_FALSE /* user */);
  95 }
  96 
  97 JNIEXPORT void JNICALL
  98 Java_sun_management_ThreadImpl_getThreadAllocatedMemory1
  99   (JNIEnv *env, jclass cls, jlongArray ids, jlongArray sizeArray)
 100 {
 101     jmm_interface->GetThreadAllocatedMemory(env, ids, sizeArray);
 102 }
 103 
 104 JNIEXPORT jobjectArray JNICALL
 105 Java_sun_management_ThreadImpl_findMonitorDeadlockedThreads0
 106   (JNIEnv *env, jclass cls)
 107 {
 108     return jmm_interface->FindCircularBlockedThreads(env);
 109 }
 110 
 111 JNIEXPORT jobjectArray JNICALL
 112 Java_sun_management_ThreadImpl_findDeadlockedThreads0
 113   (JNIEnv *env, jclass cls)
 114 {
 115     return jmm_interface->FindDeadlocks(env, JNI_FALSE /* !object_monitors_only */);
 116 }
 117 
 118 JNIEXPORT void JNICALL
 119 Java_sun_management_ThreadImpl_resetPeakThreadCount0
 120   (JNIEnv *env, jclass cls)
 121 {
 122     jvalue unused;
 123     unused.i = 0;
 124     jmm_interface->ResetStatistic(env, unused, JMM_STAT_PEAK_THREAD_COUNT);
 125 }
 126 
 127 JNIEXPORT void JNICALL
 128 Java_sun_management_ThreadImpl_resetContentionTimes0
 129   (JNIEnv *env, jobject dummy, jlong tid)
 130 {
 131     jvalue value;
 132     value.j = tid;
 133     jmm_interface->ResetStatistic(env, value, JMM_STAT_THREAD_CONTENTION_TIME);
 134 }
 135 
 136 JNIEXPORT jobjectArray JNICALL
 137 Java_sun_management_ThreadImpl_dumpThreads0
 138   (JNIEnv *env, jclass cls, jlongArray ids, jboolean lockedMonitors,
 139   jboolean lockedSynchronizers, jint maxDepth)
 140 {
 141     return jmm_interface->DumpThreads(env, ids, lockedMonitors,
 142                                       lockedSynchronizers, maxDepth);
 143 }