| /* |
| * 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 <string.h> |
| #include "jvmti.h" |
| #include "agent_common.h" |
| #include "jni_tools.h" |
| #include "jvmti_tools.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* ============================================================================= */ |
| |
| /* scaffold objects */ |
| static jlong timeout = 0; |
| |
| /* constan names */ |
| #define THREAD_NAME "TestedThread" |
| |
| /* constants */ |
| #define STORAGE_DATA_SIZE 1024 |
| #define STORAGE_DATA_CHAR 'X' |
| #define EVENTS_COUNT 2 |
| |
| /* events list */ |
| static jvmtiEvent eventsList[EVENTS_COUNT] = { |
| JVMTI_EVENT_THREAD_START, |
| JVMTI_EVENT_THREAD_END |
| }; |
| |
| /* storage structure */ |
| typedef struct _StorageStructure { |
| char data[STORAGE_DATA_SIZE]; |
| } StorageStructure; |
| |
| /* storage data */ |
| static StorageStructure storageData; |
| static StorageStructure* initialStorage = &storageData; |
| |
| /* events counts */ |
| static int eventsStart = 0; |
| static int eventsEnd = 0; |
| |
| /* ============================================================================= */ |
| |
| /** Agent algorithm. */ |
| static void JNICALL |
| agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) { |
| |
| NSK_DISPLAY0("Wait for thread to create\n"); |
| if (!nsk_jvmti_waitForSync(timeout)) |
| return; |
| |
| /* perform testing */ |
| { |
| memset(storageData.data, STORAGE_DATA_CHAR, STORAGE_DATA_SIZE); |
| |
| eventsStart = 0; |
| eventsEnd = 0; |
| NSK_DISPLAY1("Enable events: %d events\n", EVENTS_COUNT); |
| if (!nsk_jvmti_enableEvents(JVMTI_ENABLE, EVENTS_COUNT, eventsList, NULL)) |
| return; |
| |
| NSK_DISPLAY0("Let tested thread to run\n"); |
| if (!nsk_jvmti_resumeSync()) |
| return; |
| |
| NSK_DISPLAY0("Wait for tested thread to finish\n"); |
| if (!nsk_jvmti_waitForSync(timeout)) |
| return; |
| |
| NSK_DISPLAY1("Disable events: %d events\n", EVENTS_COUNT); |
| if (!nsk_jvmti_enableEvents(JVMTI_DISABLE, EVENTS_COUNT, eventsList, NULL)) |
| return; |
| |
| NSK_DISPLAY1("Check if all expected events received for tested thread: %s\n", |
| THREAD_NAME); |
| if (eventsStart <= 0 || eventsStart != eventsEnd) { |
| NSK_COMPLAIN3("Unexpected number of events received for tedted thread:\n" |
| "# thread name: %s\n" |
| "# THREAD_START: %d events\n" |
| "# THREAD_END: %d events\n", |
| THREAD_NAME, |
| eventsStart, eventsEnd); |
| nsk_jvmti_setFailStatus(); |
| } |
| } |
| |
| NSK_DISPLAY0("Let debugee to finish\n"); |
| if (!nsk_jvmti_resumeSync()) |
| return; |
| } |
| |
| /* ============================================================================= */ |
| |
| /** THREAD_START callback. */ |
| JNIEXPORT void JNICALL |
| callbackThreadStart(jvmtiEnv* jvmti, JNIEnv* jni, jthread thread) { |
| /* check if event is for tested thread */ |
| if (thread != NULL) { |
| jvmtiThreadInfo info; |
| |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB3(GetThreadInfo, jvmti, thread, &info))) { |
| nsk_jvmti_setFailStatus(); |
| return; |
| } |
| |
| if (info.name != NULL && strcmp(info.name, THREAD_NAME) == 0) { |
| NSK_DISPLAY2(" ... received THREAD_START event for tested thread: %p (%s)\n", |
| (void*)thread, info.name); |
| eventsStart++; |
| |
| NSK_DISPLAY1("SetThreadLocalStorage() for current thread with pointer: %p\n", |
| (void*)initialStorage); |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB3(SetThreadLocalStorage, jvmti, |
| NULL, (void*)initialStorage))) { |
| nsk_jvmti_setFailStatus(); |
| return; |
| } |
| } |
| } |
| } |
| |
| |
| /** THREAD_END callback. */ |
| JNIEXPORT void JNICALL |
| callbackThreadEnd(jvmtiEnv* jvmti, JNIEnv* jni, jthread thread) { |
| /* check if event is for tested thread */ |
| if (thread != NULL) { |
| jvmtiThreadInfo info; |
| |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB3(GetThreadInfo, jvmti, thread, &info))) { |
| nsk_jvmti_setFailStatus(); |
| return; |
| } |
| |
| if (info.name != NULL && strcmp(info.name, THREAD_NAME) == 0) { |
| NSK_DISPLAY2(" ... received THREAD_END event for tested thread: %p (%s)\n", |
| (void*)thread, info.name); |
| eventsEnd++; |
| |
| /* get storage data */ |
| { |
| StorageStructure* obtainedStorage = NULL; |
| |
| NSK_DISPLAY0("GetThreadLocalStorage() for current thread\n"); |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB3(GetThreadLocalStorage, jvmti, |
| NULL, (void**)&obtainedStorage))) { |
| nsk_jvmti_setFailStatus(); |
| return; |
| } |
| NSK_DISPLAY1(" ... got pointer: %p\n", (void*)obtainedStorage); |
| |
| NSK_DISPLAY0("Check storage data obtained for current thread\n"); |
| if (obtainedStorage != initialStorage) { |
| NSK_COMPLAIN3("Wrong storage pointer returned for current thread:\n" |
| "# thread: %p\n" |
| "# got pointer: %p\n" |
| "# expected: %p\n", |
| (void*)thread, |
| (void*)obtainedStorage, (void*)initialStorage); |
| nsk_jvmti_setFailStatus(); |
| } else { |
| int changed = 0; |
| int i; |
| |
| for (i = 0; i < STORAGE_DATA_SIZE; i++) { |
| if (obtainedStorage->data[i] != STORAGE_DATA_CHAR) { |
| changed++; |
| } |
| } |
| |
| if (changed > 0) { |
| NSK_COMPLAIN3("Data changed in returned storage for current thread:\n" |
| "# thread: %p\n" |
| "# changed bytes: %d\n" |
| "# total bytes: %d\n", |
| (void*)thread, |
| changed, STORAGE_DATA_SIZE); |
| nsk_jvmti_setFailStatus(); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| /* ============================================================================= */ |
| |
| /** Agent library initialization. */ |
| #ifdef STATIC_BUILD |
| JNIEXPORT jint JNICALL Agent_OnLoad_setthrdstor003(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNICALL Agent_OnAttach_setthrdstor003(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNI_OnLoad_setthrdstor003(JavaVM *jvm, char *options, void *reserved) { |
| return JNI_VERSION_1_8; |
| } |
| #endif |
| jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) { |
| jvmtiEnv* jvmti = NULL; |
| |
| /* init framework and parse options */ |
| if (!NSK_VERIFY(nsk_jvmti_parseOptions(options))) |
| return JNI_ERR; |
| |
| timeout = nsk_jvmti_getWaitTime() * 60 * 1000; |
| |
| /* create JVMTI environment */ |
| if (!NSK_VERIFY((jvmti = |
| nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL)) |
| return JNI_ERR; |
| |
| /* set callbacks for thread events */ |
| { |
| jvmtiEventCallbacks callbacks; |
| memset(&callbacks, 0, sizeof(callbacks)); |
| callbacks.ThreadStart = callbackThreadStart; |
| callbacks.ThreadEnd = callbackThreadEnd; |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB3(SetEventCallbacks, jvmti, &callbacks, sizeof(callbacks)))) |
| return JNI_ERR; |
| } |
| |
| /* register agent proc and arg */ |
| if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, NULL))) |
| return JNI_ERR; |
| |
| return JNI_OK; |
| } |
| |
| /* ============================================================================= */ |
| |
| #ifdef __cplusplus |
| } |
| #endif |
