| /* |
| * 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; |
| |
| /* constants */ |
| #define EVENTS_COUNT 3 |
| |
| /* tested events */ |
| static jvmtiEvent eventsList[EVENTS_COUNT] = { |
| JVMTI_EVENT_VM_INIT, |
| JVMTI_EVENT_THREAD_START, |
| JVMTI_EVENT_THREAD_END |
| }; |
| |
| static const char* eventsNameList[EVENTS_COUNT] = { |
| "JVMTI_EVENT_VM_INIT", |
| "JVMTI_EVENT_THREAD_START", |
| "JVMTI_EVENT_THREAD_END" |
| }; |
| |
| static int eventsCountList[EVENTS_COUNT]; |
| |
| /* ============================================================================= */ |
| |
| /** Clear events counters. */ |
| static void cleanEventCounts() { |
| int i; |
| |
| for (i = 0; i < EVENTS_COUNT; i++) { |
| eventsCountList[i] = 0; |
| } |
| } |
| |
| /** Check if all expected events received. */ |
| static int checkEventCounts() { |
| int success = NSK_TRUE; |
| int i; |
| |
| NSK_DISPLAY0("Callbacks invoked:\n"); |
| for (i = 0; i < EVENTS_COUNT; i++) { |
| NSK_DISPLAY2(" %s: %d times\n", |
| eventsNameList[i], eventsCountList[i]); |
| } |
| |
| if (eventsCountList[0] <= 0) { |
| NSK_COMPLAIN2("# No %s event callback invoked:\n" |
| "# invoked: %d times\n", |
| eventsNameList[0], eventsCountList[0]); |
| success = NSK_FALSE; |
| } |
| |
| for (i = 1; i < EVENTS_COUNT; i++) { |
| if (eventsCountList[i] > 0) { |
| NSK_COMPLAIN2("# %s event callback was invoked after SetEventsCallback() for zero sized struct:\n" |
| "# invoked: %d times\n", |
| eventsNameList[i], eventsCountList[i]); |
| success = NSK_FALSE; |
| } |
| } |
| |
| return success; |
| } |
| |
| /* ============================================================================= */ |
| |
| /** Agent algorithm. */ |
| static void JNICALL |
| agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) { |
| NSK_DISPLAY0("Wait for debugee to generate events\n"); |
| if (!nsk_jvmti_waitForSync(timeout)) |
| return; |
| |
| NSK_DISPLAY0(">>> Testcase #3: Check if no unexpected events callbacks were invoked\n"); |
| if (!checkEventCounts()) { |
| nsk_jvmti_setFailStatus(); |
| } |
| |
| NSK_DISPLAY0("Disable events\n"); |
| nsk_jvmti_enableEvents(JVMTI_DISABLE, EVENTS_COUNT, eventsList, NULL); |
| |
| NSK_DISPLAY0("Let debugee to finish\n"); |
| if (!nsk_jvmti_resumeSync()) |
| return; |
| } |
| |
| /* ============================================================================= */ |
| |
| /** |
| * Callback for THREAD_START event. |
| */ |
| JNIEXPORT void JNICALL |
| callbackThreadStart(jvmtiEnv* jvmti, JNIEnv* jni, jthread thread) { |
| NSK_DISPLAY1(" <THREAD_START>: thread: 0x%p\n", (void*)thread); |
| eventsCountList[1]++; |
| } |
| |
| /** |
| * Callback for THREAD_END event. |
| */ |
| JNIEXPORT void JNICALL |
| callbackThreadEnd(jvmtiEnv* jvmti, JNIEnv* jni, jthread thread) { |
| NSK_DISPLAY1(" <THREAD_END>: thread: 0x%p\n", (void*)thread); |
| eventsCountList[2]++; |
| } |
| |
| /** |
| * Callback for VM_INIT event. |
| */ |
| JNIEXPORT void JNICALL |
| callbackVMInit(jvmtiEnv* jvmti, JNIEnv* jni, jthread thread) { |
| NSK_DISPLAY1(" <VM_INIT>: thread: 0x%p\n", (void*)thread); |
| eventsCountList[0]++; |
| |
| NSK_DISPLAY0(">>> Testcase #2: Invoke SetEventsCallback() for zero sized callbacks struct\n"); |
| { |
| jvmtiEventCallbacks eventCallbacks; |
| jint size = 0; |
| |
| memset(&eventCallbacks, 0, sizeof(eventCallbacks)); |
| eventCallbacks.ThreadStart = callbackThreadStart; |
| eventCallbacks.ThreadEnd = callbackThreadEnd; |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB3(SetEventCallbacks, jvmti, |
| &eventCallbacks, size))) { |
| nsk_jvmti_setFailStatus(); |
| } |
| |
| nsk_jvmti_enableEvents(JVMTI_ENABLE, EVENTS_COUNT - 1, eventsList + 1, NULL); |
| } |
| } |
| |
| /* ============================================================================= */ |
| |
| /** Agent library initialization. */ |
| #ifdef STATIC_BUILD |
| JNIEXPORT jint JNICALL Agent_OnLoad_setevntcallb003(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNICALL Agent_OnAttach_setevntcallb003(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNI_OnLoad_setevntcallb003(JavaVM *jvm, char *options, void *reserved) { |
| return JNI_VERSION_1_8; |
| } |
| #endif |
| jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) { |
| jvmtiEnv* jvmti = NULL; |
| |
| if (!NSK_VERIFY(nsk_jvmti_parseOptions(options))) |
| return JNI_ERR; |
| |
| timeout = nsk_jvmti_getWaitTime() * 60 * 1000; |
| |
| if (!NSK_VERIFY((jvmti = |
| nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL)) |
| return JNI_ERR; |
| |
| if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, NULL))) |
| return JNI_ERR; |
| |
| NSK_DISPLAY0(">>> Testcase #1: Set callbacks for all tested events\n"); |
| { |
| jvmtiEventCallbacks eventCallbacks; |
| |
| cleanEventCounts(); |
| |
| memset(&eventCallbacks, 0, sizeof(eventCallbacks)); |
| eventCallbacks.VMInit = callbackVMInit; |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB3(SetEventCallbacks, jvmti, |
| &eventCallbacks, sizeof(eventCallbacks)))) { |
| nsk_jvmti_setFailStatus(); |
| } else { |
| nsk_jvmti_enableEvents(JVMTI_ENABLE, 1, eventsList, NULL); |
| } |
| } |
| return JNI_OK; |
| } |
| |
| /* ============================================================================= */ |
| |
| #ifdef __cplusplus |
| } |
| #endif |