1 /*
   2  * Copyright (c) 2004, 2018, 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.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 #include <stdlib.h>
  25 #include <string.h>
  26 #include "jni_tools.h"
  27 #include "agent_common.h"
  28 #include "jvmti_tools.h"
  29 
  30 #define PASSED 0
  31 #define STATUS_FAILED 2
  32 
  33 extern "C" {
  34 
  35 /* ========================================================================== */
  36 
  37 /* scaffold objects */
  38 static jlong timeout = 0;
  39 
  40 /* test objects */
  41 static jobject threadDeath = NULL;
  42 static jthread runningThread = NULL;
  43 static jthread waitingThread = NULL;
  44 static jthread sleepingThread = NULL;
  45 
  46 /* ========================================================================== */
  47 
  48 static int prepare(jvmtiEnv* jvmti, JNIEnv* jni) {
  49     const char* RUNNING_THREAD_NAME = "DebuggeeRunningThread";
  50     const char* WAITING_THREAD_NAME = "DebuggeeWaitingThread";
  51     const char* SLEEPING_THREAD_NAME = "DebuggeeSleepingThread";
  52     const char* THREAD_DEATH_CLASS_NAME = "java/lang/ThreadDeath";
  53     const char* THREAD_DEATH_CTOR_NAME = "<init>";
  54     const char* THREAD_DEATH_CTOR_SIGNATURE = "()V";
  55     jvmtiThreadInfo info;
  56     jthread *threads = NULL;
  57     jint threads_count = 0;
  58     jclass cls = NULL;
  59     jmethodID ctor = NULL;
  60     int i;
  61 
  62     NSK_DISPLAY0("Prepare: find tested threads\n");
  63 
  64     /* get all live threads */
  65     if (!NSK_JVMTI_VERIFY(
  66            NSK_CPP_STUB3(GetAllThreads, jvmti, &threads_count, &threads)))
  67         return NSK_FALSE;
  68 
  69     if (!NSK_VERIFY(threads_count > 0 && threads != NULL))
  70         return NSK_FALSE;
  71 
  72     /* find tested thread */
  73     for (i = 0; i < threads_count; i++) {
  74         if (!NSK_VERIFY(threads[i] != NULL))
  75             return NSK_FALSE;
  76 
  77         /* get thread information */
  78         if (!NSK_JVMTI_VERIFY(
  79                 NSK_CPP_STUB3(GetThreadInfo, jvmti, threads[i], &info)))
  80             return NSK_FALSE;
  81 
  82         NSK_DISPLAY3("    thread #%d (%s): %p\n", i, info.name, threads[i]);
  83 
  84         /* find by name */
  85         if (info.name != NULL) {
  86             if (strcmp(info.name, RUNNING_THREAD_NAME) == 0) {
  87                 runningThread = threads[i];
  88             } else if (strcmp(info.name, WAITING_THREAD_NAME) == 0) {
  89                 waitingThread = threads[i];
  90             } else if (strcmp(info.name, SLEEPING_THREAD_NAME) == 0) {
  91                 sleepingThread = threads[i];
  92             }
  93         }
  94     }
  95 
  96     if (!NSK_JVMTI_VERIFY(
  97             NSK_CPP_STUB2(Deallocate, jvmti, (unsigned char*)threads)))
  98         return NSK_FALSE;
  99 
 100     NSK_DISPLAY0("Prepare: create new instance of ThreadDeath exception\n");
 101 
 102     if (!NSK_JNI_VERIFY(jni, (cls =
 103             NSK_CPP_STUB2(FindClass, jni, THREAD_DEATH_CLASS_NAME)) != NULL))
 104         return NSK_FALSE;
 105 
 106     if (!NSK_JNI_VERIFY(jni, (ctor =
 107             NSK_CPP_STUB4(GetMethodID, jni, cls,
 108                 THREAD_DEATH_CTOR_NAME, THREAD_DEATH_CTOR_SIGNATURE)) != NULL))
 109         return NSK_FALSE;
 110 
 111     if (!NSK_JNI_VERIFY(jni, (threadDeath =
 112             NSK_CPP_STUB3(NewObject, jni, cls, ctor)) != NULL))
 113         return NSK_FALSE;
 114 
 115     return NSK_TRUE;
 116 }
 117 
 118 /* ========================================================================== */
 119 
 120 /** Agent algorithm. */
 121 static void JNICALL
 122 agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
 123 
 124     if (!nsk_jvmti_waitForSync(timeout))
 125         return;
 126 
 127     if (!prepare(jvmti, jni)) {
 128         nsk_jvmti_setFailStatus();
 129         return;
 130     }
 131 
 132     NSK_DISPLAY0("Testcase #1: call StopThread for runningThread\n");
 133     if (!NSK_VERIFY(runningThread != NULL)) {
 134         nsk_jvmti_setFailStatus();
 135     } else {
 136         if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB3(StopThread,
 137                 jvmti, runningThread, threadDeath)))
 138             nsk_jvmti_setFailStatus();
 139     }
 140 
 141     NSK_DISPLAY0("Testcase #2: call StopThread for waitingThread\n");
 142     if (!NSK_VERIFY(waitingThread != NULL)) {
 143         nsk_jvmti_setFailStatus();
 144     } else {
 145         if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB3(StopThread,
 146                 jvmti, waitingThread, threadDeath)))
 147             nsk_jvmti_setFailStatus();
 148     }
 149 
 150     NSK_DISPLAY0("Testcase #3: call StopThread for sleepingThread\n");
 151     if (!NSK_VERIFY(sleepingThread != NULL)) {
 152         nsk_jvmti_setFailStatus();
 153     } else {
 154         if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB3(StopThread,
 155                 jvmti, sleepingThread, threadDeath)))
 156             nsk_jvmti_setFailStatus();
 157     }
 158 
 159     if (!nsk_jvmti_resumeSync())
 160         return;
 161 }
 162 
 163 /* ========================================================================== */
 164 
 165 /** Agent library initialization. */
 166 #ifdef STATIC_BUILD
 167 JNIEXPORT jint JNICALL Agent_OnLoad_stopthrd007(JavaVM *jvm, char *options, void *reserved) {
 168     return Agent_Initialize(jvm, options, reserved);
 169 }
 170 JNIEXPORT jint JNICALL Agent_OnAttach_stopthrd007(JavaVM *jvm, char *options, void *reserved) {
 171     return Agent_Initialize(jvm, options, reserved);
 172 }
 173 JNIEXPORT jint JNI_OnLoad_stopthrd007(JavaVM *jvm, char *options, void *reserved) {
 174     return JNI_VERSION_1_8;
 175 }
 176 #endif
 177 jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
 178     jvmtiEnv* jvmti = NULL;
 179     jvmtiCapabilities caps;
 180 
 181     NSK_DISPLAY0("Agent_OnLoad\n");
 182 
 183     if (!NSK_VERIFY(nsk_jvmti_parseOptions(options)))
 184         return JNI_ERR;
 185 
 186     timeout = nsk_jvmti_getWaitTime() * 60 * 1000;
 187 
 188     if (!NSK_VERIFY((jvmti =
 189             nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL))
 190         return JNI_ERR;
 191 
 192     if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, NULL)))
 193         return JNI_ERR;
 194 
 195     memset(&caps, 0, sizeof(caps));
 196     caps.can_signal_thread = 1;
 197     if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(AddCapabilities, jvmti, &caps))) {
 198         return JNI_ERR;
 199     }
 200 
 201     return JNI_OK;
 202 }
 203 
 204 /* ========================================================================== */
 205 
 206 }