1 /*

     2  * Copyright (c) 2003, 2011, 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, jboolean lockedSynchronizers)

   139 {

   140     return jmm_interface->DumpThreads(env, ids, lockedMonitors, lockedSynchronizers);

   141 }