diff -r a2f1923b3e16 -r e409244ce72e test/hotspot/jtreg/vmTestbase/nsk/jvmti/VMInit/vminit001/vminit001.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/VMInit/vminit001/vminit001.cpp Tue Aug 28 14:37:34 2018 -0700 @@ -0,0 +1,202 @@ +/* + * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +#include +#include +#include "jvmti.h" +#include "agent_common.h" +#include "JVMTITools.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#ifndef JNI_ENV_ARG + +#ifdef __cplusplus +#define JNI_ENV_ARG(x, y) y +#define JNI_ENV_PTR(x) x +#else +#define JNI_ENV_ARG(x,y) x, y +#define JNI_ENV_PTR(x) (*x) +#endif + +#endif + +#define PASSED 0 +#define STATUS_FAILED 2 +#define WAIT_TIME 1000 + +static jvmtiEnv *jvmti = NULL; +static jvmtiEventCallbacks callbacks; +static jint result = PASSED; +static jboolean printdump = JNI_FALSE; +static const char *name = "main"; +static int mainStarted = 0; +static int eventsCount = 0; +static int eventsExpected = 1; + +void JNICALL VMInit(jvmtiEnv *jvmti_env, JNIEnv *env, jthread thr) { + jvmtiError err; + jrawMonitorID wait_lock; + + if (printdump == JNI_TRUE) { + printf(">>> VM init event #%d\n", eventsCount); + } + + err = jvmti_env->SetEventNotificationMode(JVMTI_ENABLE, + JVMTI_EVENT_THREAD_START, NULL); + if (err != JVMTI_ERROR_NONE) { + printf("Failed to enable JVMTI_EVENT_THREAD_START: %s (%d)\n", + TranslateError(err), err); + result = STATUS_FAILED; + } + + err = jvmti_env->CreateRawMonitor("_wait_lock", &wait_lock); + if (err != JVMTI_ERROR_NONE) { + printf("(CreateRawMonitor) unexpected error: %s (%d)\n", + TranslateError(err), err); + result = STATUS_FAILED; + } + err = jvmti_env->RawMonitorEnter(wait_lock); + if (err != JVMTI_ERROR_NONE) { + printf("(RawMonitorEnter) unexpected error: %s (%d)\n", + TranslateError(err), err); + result = STATUS_FAILED; + } + err = jvmti_env->RawMonitorWait(wait_lock, (jlong)WAIT_TIME); + if (err != JVMTI_ERROR_NONE) { + printf("(RawMonitorWait) unexpected error: %s (%d)\n", + TranslateError(err), err); + result = STATUS_FAILED; + } + err = jvmti_env->RawMonitorExit(wait_lock); + if (err != JVMTI_ERROR_NONE) { + printf("(RawMonitorExit) unexpected error: %s (%d)\n", + TranslateError(err), err); + result = STATUS_FAILED; + } + err = jvmti_env->DestroyRawMonitor(wait_lock); + if (err != JVMTI_ERROR_NONE) { + printf("(DestroyRawMonitor) unexpected error: %s (%d)\n", + TranslateError(err), err); + result = STATUS_FAILED; + } + + eventsCount++; +} + +void JNICALL ThreadStart(jvmtiEnv *jvmti_env, JNIEnv *env, jthread thread) { + jvmtiError err; + jvmtiThreadInfo inf; + + err = jvmti_env->GetThreadInfo(thread, &inf); + if (err != JVMTI_ERROR_NONE) { + printf("(GetThreadInfo) unexpected error: %s (%d)\n", + TranslateError(err), err); + result = STATUS_FAILED; + return; + } + if (printdump == JNI_TRUE) { + printf(">>> thread start: %s\n", inf.name); + } + if (inf.name != NULL && strcmp(name, inf.name) == 0) { + mainStarted++; + if (eventsCount == 0) { + printf("ThreadStart event for the main thread occurs\n"); + printf("before the VMInit event does return.\n"); + result = STATUS_FAILED; + } + } +} + +#ifdef STATIC_BUILD +JNIEXPORT jint JNICALL Agent_OnLoad_vminit001(JavaVM *jvm, char *options, void *reserved) { + return Agent_Initialize(jvm, options, reserved); +} +JNIEXPORT jint JNICALL Agent_OnAttach_vminit001(JavaVM *jvm, char *options, void *reserved) { + return Agent_Initialize(jvm, options, reserved); +} +JNIEXPORT jint JNI_OnLoad_vminit001(JavaVM *jvm, char *options, void *reserved) { + return JNI_VERSION_1_8; +} +#endif +jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) { + jvmtiError err; + jint res; + + if (options != NULL && strcmp(options, "printdump") == 0) { + printdump = JNI_TRUE; + } + + res = JNI_ENV_PTR(jvm)->GetEnv(JNI_ENV_ARG(jvm, (void **) &jvmti), + JVMTI_VERSION_1_1); + if (res != JNI_OK || jvmti == NULL) { + printf("Wrong result of a valid call to GetEnv!\n"); + return JNI_ERR; + } + + callbacks.VMInit = &VMInit; + callbacks.ThreadStart = &ThreadStart; + err = jvmti->SetEventCallbacks(&callbacks, sizeof(callbacks)); + if (err != JVMTI_ERROR_NONE) { + printf("(SetEventCallbacks) unexpected error: %s (%d)\n", + TranslateError(err), err); + return JNI_ERR; + } + + err = jvmti->SetEventNotificationMode(JVMTI_ENABLE, + JVMTI_EVENT_VM_INIT, NULL); + if (err != JVMTI_ERROR_NONE) { + printf("Failed to enable JVMTI_EVENT_VM_INIT: %s (%d)\n", + TranslateError(err), err); + return JNI_ERR; + } + + return JNI_OK; +} + +JNIEXPORT jint JNICALL +Java_nsk_jvmti_VMInit_vminit001_check(JNIEnv *env, jclass cls) { + if (jvmti == NULL) { + printf("JVMTI client was not properly loaded!\n"); + return STATUS_FAILED; + } + + if (eventsCount != eventsExpected) { + printf("Wrong number of VM init events: %d, expected: %d\n", + eventsCount, eventsExpected); + result = STATUS_FAILED; + } + + if (!mainStarted) { + printf("Missing ThreadStart event for the main thread\n"); + result = STATUS_FAILED; + } + + return result; +} + +#ifdef __cplusplus +} +#endif