| /* |
| * 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 <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <jvmti.h> |
| #include "agent_common.h" |
| |
| #include "nsk_tools.h" |
| #include "JVMTITools.h" |
| #include "jvmti_tools.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #define STATUS_FAILED 2 |
| #define PASSED 0 |
| |
| static volatile jint result = PASSED; |
| static volatile int gcstart = 0; |
| static volatile int gcfinish = 0; |
| static jvmtiEnv *jvmti = NULL; |
| static jvmtiEventCallbacks callbacks; |
| static jvmtiCapabilities caps; |
| |
| /** callback functions **/ |
| void JNICALL |
| GarbageCollectionStart(jvmtiEnv *jvmti_env) { |
| gcstart++; |
| NSK_DISPLAY1("GarbageCollectionStart event #%d received\n", |
| gcstart); |
| |
| if (gcstart != (gcfinish+1)) { |
| result = STATUS_FAILED; |
| NSK_COMPLAIN2("TEST FAILED: GarbageCollectionStart event has no a matched pair GarbageCollectionFinish:\n\ |
| \t%d GarbageCollectionStart events\t%d GarbageCollectionFinish events\n\n", |
| gcstart, gcfinish); |
| } |
| else |
| NSK_DISPLAY0("CHECK PASSED: GarbageCollectionStart event has a matched pair GarbageCollectionFinish as expected\n\n"); |
| } |
| |
| void JNICALL |
| GarbageCollectionFinish(jvmtiEnv *jvmti_env) { |
| gcfinish++; |
| NSK_DISPLAY1("GarbageCollectionFinish event #%d received\n", |
| gcfinish); |
| |
| if (gcstart != gcfinish) { |
| result = STATUS_FAILED; |
| NSK_COMPLAIN2("TEST FAILED: GarbageCollectionFinish event has no a matched pair GarbageCollectionStart:\n\ |
| \t%d GarbageCollectionStart events\t%d GarbageCollectionFinish events\n\n", |
| gcstart, gcfinish); |
| } |
| else |
| NSK_DISPLAY0("CHECK PASSED: GarbageCollectionFinish event has a matched pair GarbageCollectionStart as expected\n\n"); |
| } |
| |
| void JNICALL |
| VMDeath(jvmtiEnv *jvmti_env, JNIEnv *env) { |
| NSK_DISPLAY0("VMDeath event received\n"); |
| |
| if (gcstart != gcfinish || result == STATUS_FAILED) { |
| NSK_COMPLAIN2("TEST FAILED: some GarbageCollectionFinish events have no a matched pair GarbageCollectionStart:\n\ |
| \t%d GarbageCollectionStart events\t%d GarbageCollectionFinish events\n\n", |
| gcstart, gcfinish); |
| |
| exit(95 + STATUS_FAILED); |
| } |
| else |
| NSK_DISPLAY0("CHECK PASSED: all GarbageCollectionStart/GarbageCollectionFinish events have a matched pair as expected\n\n"); |
| } |
| |
| /************************/ |
| |
| #ifdef STATIC_BUILD |
| JNIEXPORT jint JNICALL Agent_OnLoad_gcstart001(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNICALL Agent_OnAttach_gcstart001(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNI_OnLoad_gcstart001(JavaVM *jvm, char *options, void *reserved) { |
| return JNI_VERSION_1_8; |
| } |
| #endif |
| jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) { |
| /* init framework and parse options */ |
| if (!NSK_VERIFY(nsk_jvmti_parseOptions(options))) |
| return JNI_ERR; |
| |
| /* create JVMTI environment */ |
| if (!NSK_VERIFY((jvmti = |
| nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL)) |
| return JNI_ERR; |
| |
| /* add capability to generate compiled method events */ |
| memset(&caps, 0, sizeof(jvmtiCapabilities)); |
| caps.can_generate_garbage_collection_events = 1; |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(AddCapabilities, |
| jvmti, &caps))) |
| return JNI_ERR; |
| |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(GetCapabilities, |
| jvmti, &caps))) |
| return JNI_ERR; |
| |
| if (!caps.can_generate_garbage_collection_events) |
| NSK_DISPLAY0("Warning: generation of garbage collection events is not implemented\n"); |
| |
| /* set event callback */ |
| NSK_DISPLAY0("setting event callbacks ...\n"); |
| (void) memset(&callbacks, 0, sizeof(callbacks)); |
| callbacks.VMDeath = &VMDeath; |
| callbacks.GarbageCollectionStart = &GarbageCollectionStart; |
| callbacks.GarbageCollectionFinish = &GarbageCollectionFinish; |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB3(SetEventCallbacks, |
| jvmti, &callbacks, sizeof(callbacks)))) |
| return JNI_ERR; |
| |
| NSK_DISPLAY0("setting event callbacks done\nenabling JVMTI events ...\n"); |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB4(SetEventNotificationMode, |
| jvmti, JVMTI_ENABLE, JVMTI_EVENT_VM_DEATH, NULL))) |
| return JNI_ERR; |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB4(SetEventNotificationMode, |
| jvmti, JVMTI_ENABLE, JVMTI_EVENT_GARBAGE_COLLECTION_START, NULL))) |
| return JNI_ERR; |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB4(SetEventNotificationMode, |
| jvmti, JVMTI_ENABLE, JVMTI_EVENT_GARBAGE_COLLECTION_FINISH, NULL))) |
| return JNI_ERR; |
| NSK_DISPLAY0("enabling the events done\n\n"); |
| |
| return JNI_OK; |
| } |
| |
| #ifdef __cplusplus |
| } |
| #endif |