216 lines
6.4 KiB
C++
216 lines
6.4 KiB
C++
/*
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* Copyright (c) 2003, 2018, 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 <stdlib.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 "jni_tools.h"
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#include "jvmti_tools.h"
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extern "C" {
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/* ============================================================================= */
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static jlong timeout = 0;
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#define STATUS_FAIL 97
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#define EVENTS_COUNT 2
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static jvmtiEvent events[EVENTS_COUNT] = {
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JVMTI_EVENT_VM_INIT,
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JVMTI_EVENT_VM_DEATH
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};
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static julong prevTime;
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/* ============================================================================= */
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/**
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* Get time and optionally compare it with previous one.
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* @returns false if any error occured.
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*/
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static bool checkTime(jvmtiEnv* jvmti, julong* time,
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julong* prevTime, const char where[]) {
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char buf[32], buf2[32], buf3[32];
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bool success = true;
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NSK_DISPLAY0("GetTime() for current JVMTI env\n");
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if (!NSK_JVMTI_VERIFY(
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jvmti->GetTime((jlong *)time))) {
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return false;
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}
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NSK_DISPLAY1(" ... got time: %s\n", julong_to_string(*time, buf));
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if (prevTime != NULL) {
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julong diff = *time - *prevTime;
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NSK_DISPLAY1("Compare with previous time: %s\n",
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julong_to_string(*prevTime, buf));
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NSK_DISPLAY1(" ... difference: %s\n",
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julong_to_string(diff, buf));
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if (*time < *prevTime) {
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NSK_COMPLAIN4("In %s GetTime() returned value less than previous:\n"
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"# got value: %s\n"
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"# previous: %s\n"
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"# difference: %s\n",
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where,
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julong_to_string(*time, buf),
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julong_to_string(*prevTime, buf2),
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julong_to_string(diff, buf3));
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success = false;
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}
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*prevTime = *time;
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}
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return success;
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}
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/* ============================================================================= */
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/** Agent algorithm. */
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static void JNICALL
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agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
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NSK_DISPLAY0("Wait for debugee to become ready\n");
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if (!nsk_jvmti_waitForSync(timeout))
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return;
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NSK_DISPLAY0(">>> Testcase #3: Check time in agent thread\n");
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{
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julong time;
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if (!checkTime(jvmti, &time, &prevTime, "agent thread")) {
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nsk_jvmti_setFailStatus();
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}
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}
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NSK_DISPLAY0("Let debugee to finish\n");
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if (!nsk_jvmti_resumeSync())
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return;
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}
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/* ============================================================================= */
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/**
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* Callback for VM_INIT event.
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*/
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JNIEXPORT void JNICALL
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callbackVMInit(jvmtiEnv* jvmti, JNIEnv* jni, jthread thread) {
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NSK_DISPLAY0(">>> Testcase #2: Check time in VM_INIT callback\n");
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{
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julong time;
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if (!checkTime(jvmti, &time, &prevTime, "VM_INIT callback")) {
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nsk_jvmti_setFailStatus();
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}
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}
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}
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/**
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* Callback for VM_DEATH event.
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*/
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JNIEXPORT void JNICALL
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callbackVMDeath(jvmtiEnv* jvmti, JNIEnv* jni) {
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bool success = true;
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NSK_DISPLAY0(">>> Testcase #4: Check time in VM_DEATH callback\n");
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{
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julong time;
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success = checkTime(jvmti, &time, &prevTime, "VM_DEATH callback");
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}
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NSK_DISPLAY1("Disable events: %d events\n", EVENTS_COUNT);
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if (!nsk_jvmti_enableEvents(JVMTI_DISABLE, EVENTS_COUNT, events, NULL)) {
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success = false;
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} else {
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NSK_DISPLAY0(" ... disabled\n");
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}
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if (!success) {
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NSK_DISPLAY1("Exit with FAIL exit status: %d\n", STATUS_FAIL);
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NSK_BEFORE_TRACE(exit(STATUS_FAIL));
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}
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}
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/* ============================================================================= */
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/** Agent library initialization. */
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#ifdef STATIC_BUILD
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JNIEXPORT jint JNICALL Agent_OnLoad_gettime001(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_gettime001(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_gettime001(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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jvmtiEnv* jvmti = NULL;
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if (!NSK_VERIFY(nsk_jvmti_parseOptions(options)))
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return JNI_ERR;
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timeout = nsk_jvmti_getWaitTime() * 60 * 1000;
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if (!NSK_VERIFY((jvmti =
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nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL))
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return JNI_ERR;
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{
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jvmtiEventCallbacks eventCallbacks;
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memset(&eventCallbacks, 0, sizeof(eventCallbacks));
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eventCallbacks.VMInit = callbackVMInit;
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eventCallbacks.VMDeath = callbackVMDeath;
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if (!NSK_JVMTI_VERIFY(
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jvmti->SetEventCallbacks(&eventCallbacks, sizeof(eventCallbacks)))) {
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return JNI_ERR;
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}
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}
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if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, NULL)))
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return JNI_ERR;
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NSK_DISPLAY0(">>> Testcase #1: Check initial time in Agent_OnLoad()\n");
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{
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if (!checkTime(jvmti, &prevTime, NULL, "Agent_OnLoad()")) {
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nsk_jvmti_setFailStatus();
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}
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}
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NSK_DISPLAY1("Enable events: %d events\n", EVENTS_COUNT);
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if (nsk_jvmti_enableEvents(JVMTI_ENABLE, EVENTS_COUNT, events, NULL)) {
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NSK_DISPLAY0(" ... enabled\n");
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}
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return JNI_OK;
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}
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/* ============================================================================= */
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}
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