5df8729406
Update test to get rid of unneeded MethodEntry/MethodExit events Reviewed-by: amenkov, cjplummer
257 lines
8.2 KiB
C++
257 lines
8.2 KiB
C++
/*
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* Copyright (c) 2004, 2019, 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.
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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 <stdio.h>
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#include <string.h>
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#include "jvmti.h"
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#include "agent_common.h"
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#include "JVMTITools.h"
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extern "C" {
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#define PASSED 0
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#define STATUS_FAILED 2
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#define WAIT_START 100
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#define WAIT_TIME (2*60*1000)
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static jvmtiEnv *jvmti = NULL;
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static jvmtiCapabilities caps;
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static jvmtiEventCallbacks callbacks;
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static jrawMonitorID access_lock;
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static jrawMonitorID wait_lock;
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static jint result = PASSED;
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static jthread thr_ptr = NULL;
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static jint state[] = {
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JVMTI_THREAD_STATE_RUNNABLE,
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JVMTI_THREAD_STATE_BLOCKED_ON_MONITOR_ENTER,
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JVMTI_THREAD_STATE_IN_OBJECT_WAIT
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};
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static void
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lock(const char* func_name, jrawMonitorID lock) {
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jvmtiError err = jvmti->RawMonitorEnter(lock);
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if (err != JVMTI_ERROR_NONE) {
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printf("%s: unexpected error in RawMonitorEnter: %s (%d)\n",
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func_name, TranslateError(err), err);
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result = STATUS_FAILED;
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}
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}
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static void
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unlock(const char* func_name, jrawMonitorID lock) {
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jvmtiError err = jvmti->RawMonitorExit(lock);
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if (err != JVMTI_ERROR_NONE) {
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printf("%s: unexpected error in RawMonitorExit: %s (%d)\n",
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func_name, TranslateError(err), err);
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result = STATUS_FAILED;
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}
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}
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static void
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wait(const char* func_name, jrawMonitorID lock, jint millis) {
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jvmtiError err = jvmti->RawMonitorWait(lock, (jlong)millis);
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if (err != JVMTI_ERROR_NONE) {
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printf("%s: unexpected error in RawMonitorWait: %s (%d)\n",
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func_name, TranslateError(err), err);
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result = STATUS_FAILED;
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}
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}
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static void
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set_notification_mode(const char* event_name,
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jvmtiEventMode mode,
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jvmtiEvent event_type,
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jthread event_thread) {
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const char* action = (mode == JVMTI_ENABLE) ? "enable" : "disable";
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jvmtiError err = jvmti->SetEventNotificationMode(mode, event_type, event_thread);
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if (err != JVMTI_ERROR_NONE) {
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printf("Failed to %s %s event: %s (%d)\n",
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action, event_name, TranslateError(err), err);
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result = STATUS_FAILED;
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}
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}
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void JNICALL VMInit(jvmtiEnv *jvmti_env, JNIEnv *env, jthread thr) {
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set_notification_mode("JVMTI_EVENT_THREAD_START", JVMTI_ENABLE,
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JVMTI_EVENT_THREAD_START, NULL);
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}
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void JNICALL
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ThreadStart(jvmtiEnv *jvmti_env, JNIEnv *env, jthread thread) {
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jvmtiError err;
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jvmtiThreadInfo thrInfo;
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lock("ThreadStart", access_lock);
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err = jvmti_env->GetThreadInfo(thread, &thrInfo);
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if (err != JVMTI_ERROR_NONE) {
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printf("(GetThreadInfo#TS) unexpected error: %s (%d)\n",
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TranslateError(err), err);
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result = STATUS_FAILED;
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}
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if (thrInfo.name != NULL && strcmp(thrInfo.name, "thr1") == 0) {
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thr_ptr = env->NewGlobalRef(thread);
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printf(">>> ThreadStart: \"%s\", 0x%p\n", thrInfo.name, thr_ptr);
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set_notification_mode("JVMTI_EVENT_THREAD_START", JVMTI_DISABLE,
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JVMTI_EVENT_THREAD_START, NULL);
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}
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unlock("ThreadStart", access_lock);
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}
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#ifdef STATIC_BUILD
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JNIEXPORT jint JNICALL Agent_OnLoad_thrstat001(JavaVM *jvm, char *options, void *reserved) {
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return Agent_Initialize(jvm, options, reserved);
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}
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JNIEXPORT jint JNICALL Agent_OnAttach_thrstat001(JavaVM *jvm, char *options, void *reserved) {
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return Agent_Initialize(jvm, options, reserved);
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}
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JNIEXPORT jint JNI_OnLoad_thrstat001(JavaVM *jvm, char *options, void *reserved) {
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return JNI_VERSION_1_8;
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}
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#endif
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jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
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jint res;
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jvmtiError err;
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printf("Agent_Initialize started\n");
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res = jvm->GetEnv((void **) &jvmti, JVMTI_VERSION_1_1);
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if (res != JNI_OK || jvmti == NULL) {
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printf("Wrong result of a valid call to GetEnv!\n");
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return JNI_ERR;
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}
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err = jvmti->GetPotentialCapabilities(&caps);
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if (err != JVMTI_ERROR_NONE) {
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printf("(GetPotentialCapabilities) unexpected error: %s (%d)\n",
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TranslateError(err), err);
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return JNI_ERR;
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}
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err = jvmti->AddCapabilities(&caps);
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if (err != JVMTI_ERROR_NONE) {
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printf("(AddCapabilities) unexpected error: %s (%d)\n",
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TranslateError(err), err);
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return JNI_ERR;
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}
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err = jvmti->GetCapabilities(&caps);
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if (err != JVMTI_ERROR_NONE) {
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printf("(GetCapabilities) unexpected error: %s (%d)\n",
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TranslateError(err), err);
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return JNI_ERR;
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}
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err = jvmti->CreateRawMonitor("_access_lock", &access_lock);
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if (err != JVMTI_ERROR_NONE) {
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printf("(CreateRawMonitor)#access_lock unexpected error: %s (%d)\n",
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TranslateError(err), err);
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return JNI_ERR;
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}
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err = jvmti->CreateRawMonitor("_wait_lock", &wait_lock);
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if (err != JVMTI_ERROR_NONE) {
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printf("(CreateRawMonitor#wait_lock) unexpected error: %s (%d)\n",
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TranslateError(err), err);
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return JNI_ERR;
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}
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callbacks.VMInit = &VMInit;
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callbacks.ThreadStart = &ThreadStart;
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err = jvmti->SetEventCallbacks(&callbacks, sizeof(callbacks));
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if (err != JVMTI_ERROR_NONE) {
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printf("(SetEventCallbacks) unexpected error: %s (%d)\n",
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TranslateError(err), err);
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return JNI_ERR;
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}
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set_notification_mode("JVMTI_EVENT_VM_INIT", JVMTI_ENABLE,
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JVMTI_EVENT_VM_INIT, NULL);
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printf("Agent_Initialize finished\n\n");
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return JNI_OK;
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}
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JNIEXPORT void JNICALL
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Java_nsk_jvmti_GetThreadState_thrstat001_checkStatus(JNIEnv *env,
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jclass cls, jint statInd) {
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jvmtiError err;
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jint thrState;
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jint millis;
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printf("native method checkStatus started\n");
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if (jvmti == NULL) {
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printf("JVMTI client was not properly loaded!\n");
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result = STATUS_FAILED;
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return;
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}
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if (thr_ptr == NULL) {
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printf("Missing thread \"thr1\" start event\n");
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result = STATUS_FAILED;
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return;
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}
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/* wait until thread gets an expected state */
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for (millis = WAIT_START; millis < WAIT_TIME; millis <<= 1) {
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err = jvmti->GetThreadState(thr_ptr, &thrState);
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if (err != JVMTI_ERROR_NONE) {
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printf("(GetThreadState#%d) unexpected error: %s (%d)\n",
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statInd, TranslateError(err), err);
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result = STATUS_FAILED;
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}
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if ((thrState & state[statInd]) != 0) {
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break;
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}
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lock("checkStatus", wait_lock);
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wait("checkStatus", wait_lock, millis);
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unlock("checkStatus", wait_lock);
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}
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printf(">>> thread \"thr1\" (0x%p) state: %s (%d)\n",
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thr_ptr, TranslateState(thrState), thrState);
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if ((thrState & state[statInd]) == 0) {
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printf("Wrong thread \"thr1\" (0x%p) state:\n", thr_ptr);
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printf(" expected: %s (%d)\n",
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TranslateState(state[statInd]), state[statInd]);
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printf(" actual: %s (%d)\n",
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TranslateState(thrState), thrState);
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result = STATUS_FAILED;
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}
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printf("native method checkStatus finished\n\n");
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}
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JNIEXPORT jint JNICALL
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Java_nsk_jvmti_GetThreadState_thrstat001_getRes(JNIEnv *env, jclass cls) {
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printf("native method getRes: result: %d\n\n", result);
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return result;
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}
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}
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