431 lines
17 KiB
C++
431 lines
17 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 <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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/* scaffold objects */
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static JNIEnv* jni = NULL;
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static jvmtiEnv *jvmti = NULL;
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static jlong timeout = 0;
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/* constant names */
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#define RUNNING_THREAD_NAME "runningThread"
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#define NOT_STARTED_THREAD_NAME "notStartedThread"
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#define FINISHED_THREAD_NAME "finishedThread"
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#define ROOT_GROUP_NAME "rootThreadGroup"
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#define RUNNING_GROUP_NAME "runningThreadGroup"
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#define NOT_STARTED_GROUP_NAME "notStartedThreadGroup"
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#define FINISHED_GROUP_NAME "finishedThreadGroup"
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/* constants */
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#define DEFAULT_THREADS_COUNT 4
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static int expectedThreadsCount = 0;
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/* ============================================================================= */
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static jthreadGroup findThreadGroupByName(jvmtiEnv* jvmti, JNIEnv* jni, const char name[],
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jint groupsCount, jthreadGroup groupsList[]);
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static int checkThreadGroup(jvmtiEnv* jvmti, JNIEnv* jni,
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jthreadGroup group, const char groupName[],
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jint expectedThreadsCount, const char expectedThreadName[]);
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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 threads to prepare\n");
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if (!nsk_jvmti_waitForSync(timeout))
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return;
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/* perform testing */
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{
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jthreadGroup rootGroup = NULL;
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jthreadGroup runningGroup = NULL;
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jthreadGroup notStartedGroup = NULL;
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jthreadGroup finishedGroup = NULL;
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/* find root thread group */
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{
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jint topGroupsCount = 0;
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jthreadGroup* topGroups = NULL;
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NSK_DISPLAY0("Get top level thread groups\n");
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if (!NSK_JVMTI_VERIFY(
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jvmti->GetTopThreadGroups(&topGroupsCount, &topGroups))) {
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nsk_jvmti_setFailStatus();
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return;
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}
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NSK_DISPLAY1(" ... got groups: %d\n", (int)topGroupsCount);
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if (!NSK_VERIFY(topGroupsCount > 0 && topGroups != NULL))
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return;
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NSK_DISPLAY1("Find thread group by name: %s\n", ROOT_GROUP_NAME);
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if (!NSK_VERIFY((rootGroup =
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findThreadGroupByName(jvmti, jni, ROOT_GROUP_NAME,
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topGroupsCount, topGroups)) != NULL)) {
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NSK_COMPLAIN1("No tested root thread group found: %s\n", ROOT_GROUP_NAME);
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nsk_jvmti_setFailStatus();
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return;
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}
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NSK_DISPLAY1(" ... found rootThreadGroup: %p\n", (void*)rootGroup);
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}
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/* check root thread group */
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{
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jint groupsCount = 0;
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jint threadsCount = 0;
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jthread* threads = NULL;
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jthreadGroup* groups = NULL;
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NSK_DISPLAY1("Get children of root thread group: %p\n", (void*)rootGroup);
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if (!NSK_JVMTI_VERIFY(
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jvmti->GetThreadGroupChildren(rootGroup, &threadsCount, &threads, &groupsCount, &groups))) {
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nsk_jvmti_setFailStatus();
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return;
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}
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NSK_DISPLAY1(" ... got groups: %d\n", (int)groupsCount);
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NSK_DISPLAY1(" ... got threads: %d\n", (int)threadsCount);
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if (threadsCount != 0) {
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NSK_COMPLAIN4("Unexpected threads count found in thread group: %p (%s)\n"
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"# got threads: %d\n"
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"# expected: %d\n",
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(void*)rootGroup, ROOT_GROUP_NAME,
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(int)threadsCount, 0);
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nsk_jvmti_setFailStatus();
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}
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if (groupsCount != 3) {
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NSK_COMPLAIN4("Unexpected groups count found in thread group: %p (%s)\n"
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"# got threads: %d\n"
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"# expected: %d\n",
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(void*)rootGroup, ROOT_GROUP_NAME,
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(int)groupsCount, 3);
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nsk_jvmti_setFailStatus();
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} else {
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int i;
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NSK_DISPLAY1("Check thread groups: %d groups\n", groupsCount);
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for (i = 0; i < groupsCount; i++) {
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jvmtiThreadGroupInfo info;
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if (!NSK_JVMTI_VERIFY(
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jvmti->GetThreadGroupInfo(groups[i], &info))) {
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nsk_jvmti_setFailStatus();
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continue;
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}
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if (info.name != 0) {
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if (strcmp(info.name, RUNNING_GROUP_NAME) == 0) {
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NSK_DISPLAY2(" ... found runningThreadGroup: %p (%s)\n",
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groups[i], info.name);
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if (runningGroup != NULL) {
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NSK_COMPLAIN6("Duplicated runningThreadGroup in rootThreadGroup:\n"
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"# parent group: %p (%s)\n"
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"# existing group: %p (%s)\n"
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"# duplicated group: %p (%s)\n",
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(void*)rootGroup, ROOT_GROUP_NAME,
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(void*)runningGroup, RUNNING_GROUP_NAME,
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(void*)groups[i], info.name);
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nsk_jvmti_setFailStatus();
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} else {
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runningGroup = groups[i];
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}
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continue;
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}
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if (strcmp(info.name, NOT_STARTED_GROUP_NAME) == 0) {
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NSK_DISPLAY2(" ... found notStartedThreadGroup: %p (%s)\n",
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groups[i], info.name);
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if (notStartedGroup != NULL) {
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NSK_COMPLAIN6("Duplicated notStartedThreadGroup in rootThreadGroup:\n"
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"# parent group: %p (%s)\n"
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"# existing group: %p (%s)\n"
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"# duplicated group: %p (%s)\n",
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(void*)rootGroup, ROOT_GROUP_NAME,
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(void*)notStartedGroup, NOT_STARTED_GROUP_NAME,
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(void*)groups[i], info.name);
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nsk_jvmti_setFailStatus();
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} else {
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notStartedGroup = groups[i];
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}
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continue;
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}
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if (strcmp(info.name, FINISHED_GROUP_NAME) == 0) {
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NSK_DISPLAY2(" ... found finishedThreadGroup: %p (%s)\n",
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groups[i], info.name);
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if (finishedGroup != NULL) {
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NSK_COMPLAIN6("Duplicated finishedThreadGroup in rootThreadGroup:\n"
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"# parent group: %p (%s)\n"
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"# existing group: %p (%s)\n"
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"# duplicated group: %p (%s)\n",
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(void*)rootGroup, ROOT_GROUP_NAME,
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(void*)finishedGroup, FINISHED_GROUP_NAME,
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(void*)groups[i], info.name);
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nsk_jvmti_setFailStatus();
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} else {
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finishedGroup = groups[i];
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}
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continue;
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}
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}
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NSK_COMPLAIN4("Unexpected thread group found inrootThreadGroup:\n"
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"# parent group: %p (%s)\n"
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"# found group: %p (%s)\n",
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(void*)rootGroup, ROOT_GROUP_NAME,
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(void*)groups[i], info.name);
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nsk_jvmti_setFailStatus();
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}
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checkThreadGroup(jvmti, jni, runningGroup, RUNNING_GROUP_NAME,
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expectedThreadsCount, RUNNING_THREAD_NAME);
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checkThreadGroup(jvmti, jni, notStartedGroup, NOT_STARTED_GROUP_NAME,
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0, NOT_STARTED_THREAD_NAME);
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checkThreadGroup(jvmti, jni, finishedGroup, FINISHED_GROUP_NAME,
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0, FINISHED_THREAD_NAME);
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}
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/* deallocate arrays */
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if (!NSK_JVMTI_VERIFY(
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jvmti->Deallocate((unsigned char*)groups))) {
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nsk_jvmti_setFailStatus();
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}
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if (!NSK_JVMTI_VERIFY(
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jvmti->Deallocate((unsigned char*)threads))) {
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nsk_jvmti_setFailStatus();
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}
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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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/** Check thread group and its chidren. */
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static int checkThreadGroup(jvmtiEnv* jvmti, JNIEnv* jni,
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jthreadGroup group, const char groupName[],
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jint expectedThreadsCount, const char expectedThreadName[]) {
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size_t threadNameLen = strlen(expectedThreadName);
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if (group == NULL) {
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NSK_COMPLAIN1("No expected group found in rootThreadGroup: %s\n", groupName);
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nsk_jvmti_setFailStatus();
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return NSK_FALSE;
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}
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NSK_DISPLAY2("Get children of thread group: %p (%s):\n", (void*)group, groupName);
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{
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jint threadsCount = 0;
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jint groupsCount = 0;
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jthread* threads = NULL;
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jthreadGroup* groups = NULL;
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if (!NSK_JVMTI_VERIFY(
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jvmti->GetThreadGroupChildren(group, &threadsCount, &threads, &groupsCount, &groups))) {
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nsk_jvmti_setFailStatus();
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return NSK_FALSE;
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}
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NSK_DISPLAY1(" ... got groups: %d\n", (int)groupsCount);
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NSK_DISPLAY1(" ... got threads: %d\n", (int)threadsCount);
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if (groupsCount != 0) {
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NSK_COMPLAIN4("Unexpected groups count in thread group: %p (%s)\n"
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"# got threads: %d\n"
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"# expected: %d\n",
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(void*)group, groupName,
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(int)groupsCount, 0);
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nsk_jvmti_setFailStatus();
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}
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if (threadsCount != expectedThreadsCount) {
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NSK_COMPLAIN4("Unexpected threads count in thread group: %p (%s)\n"
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"# got threads: %d\n"
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"# expected: %d\n",
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(void*)group, groupName,
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(int)threadsCount, expectedThreadsCount);
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nsk_jvmti_setFailStatus();
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} else {
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int i;
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NSK_DISPLAY1("Check threads: %d threads\n", threadsCount);
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for (i = 0; i < threadsCount; i++) {
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jvmtiThreadInfo info;
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if (!NSK_JVMTI_VERIFY(
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jvmti->GetThreadInfo(threads[i], &info))) {
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nsk_jvmti_setFailStatus();
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continue;
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}
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NSK_DISPLAY2(" ... found thread: %p (%s)\n",
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(void*)threads[i], nsk_null_string(info.name));
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if (info.name == NULL ||
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strncmp(info.name, expectedThreadName, threadNameLen) != 0) {
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NSK_COMPLAIN5("Found unexpected thread in thread group:\n"
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"# thread group: %p (%s)\n"
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"# found thread: %p (%s)\n"
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"# expected name: (%s)\n",
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(void*)group, groupName,
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(void*)threads[i], nsk_null_string(info.name),
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expectedThreadName);
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nsk_jvmti_setFailStatus();
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}
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}
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}
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/* deallocate arrays */
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if (!NSK_JVMTI_VERIFY(
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jvmti->Deallocate((unsigned char*)groups))) {
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nsk_jvmti_setFailStatus();
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}
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if (!NSK_JVMTI_VERIFY(
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jvmti->Deallocate((unsigned char*)threads))) {
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nsk_jvmti_setFailStatus();
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}
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}
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return NSK_TRUE;
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}
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/** Recursively find thread group by its name among given groups and their childrens. */
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static jthreadGroup findThreadGroupByName(jvmtiEnv* jvmti, JNIEnv* jni, const char name[],
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jint count, jthreadGroup groupsList[]) {
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jthreadGroup foundGroup = NULL;
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int i;
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for (i = 0; i < count && foundGroup == NULL; i++) {
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jint threadsCount = 0;
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jint groupsCount = 0;
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jthread* threads = NULL;
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jthreadGroup * groups = NULL;
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if (!NSK_JVMTI_VERIFY(
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jvmti->GetThreadGroupChildren(groupsList[i], &threadsCount, &threads, &groupsCount, &groups))) {
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nsk_jvmti_setFailStatus();
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return NULL;
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}
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if (groupsCount > 0) {
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int j;
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if (!NSK_VERIFY(groups != NULL))
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return NULL;
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for (j = 0; j < groupsCount; j++) {
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jvmtiThreadGroupInfo info;
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if (groups[i] != NULL) {
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if (!NSK_JVMTI_VERIFY(
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jvmti->GetThreadGroupInfo(groups[i], &info))) {
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nsk_jvmti_setFailStatus();
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continue;
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}
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if (info.name != 0 && strcmp(info.name, name) == 0) {
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foundGroup = groups[i];
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break;
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}
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}
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}
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if (foundGroup == NULL) {
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foundGroup = findThreadGroupByName(jvmti, jni, name, groupsCount, groups);
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}
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}
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/* deallocate arrays */
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if (!NSK_JVMTI_VERIFY(
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jvmti->Deallocate((unsigned char*)groups))) {
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nsk_jvmti_setFailStatus();
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}
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if (!NSK_JVMTI_VERIFY(
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jvmti->Deallocate((unsigned char*)threads))) {
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nsk_jvmti_setFailStatus();
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}
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}
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return foundGroup;
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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_getthrdgrpchld001(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_getthrdgrpchld001(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_getthrdgrpchld001(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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/* init framework and parse options */
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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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/* get options */
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expectedThreadsCount = nsk_jvmti_findOptionIntValue("threads", DEFAULT_THREADS_COUNT);
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if (!NSK_VERIFY(expectedThreadsCount > 0))
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return JNI_ERR;
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/* create JVMTI environment */
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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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/* register agent proc and arg */
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if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, NULL)))
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return JNI_ERR;
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return JNI_OK;
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}
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/* ============================================================================= */
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}
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