| /* |
| * Copyright (c) 2008, 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 <errno.h> |
| #include "jvmti_tools.h" |
| #include "agent_common.h" |
| |
| #define PASSED 0 |
| #define STATUS_FAILED 2 |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| static jvmtiEnv* gJvmti = NULL; |
| static volatile jboolean gGotEvent = JNI_FALSE; |
| |
| void JNICALL |
| resourceExhausted(jvmtiEnv *jvmti_env, |
| JNIEnv* jni_env, |
| jint flags, |
| const void* reserved, |
| const char* description) |
| { |
| NSK_DISPLAY1("Agent: ResourceExhausted detected: %s\n", description); |
| if (flags & JVMTI_RESOURCE_EXHAUSTED_OOM_ERROR) NSK_DISPLAY0("Agent: JVMTI_RESOURCE_EXHAUSTED_OOM_ERROR\n"); |
| if (flags & JVMTI_RESOURCE_EXHAUSTED_JAVA_HEAP) NSK_DISPLAY0("Agent: JVMTI_RESOURCE_EXHAUSTED_JAVA_HEAP\n"); |
| if (flags & JVMTI_RESOURCE_EXHAUSTED_THREADS) NSK_DISPLAY0("Agent: JVMTI_RESOURCE_EXHAUSTED_THREADS\n"); |
| gGotEvent = JNI_TRUE; |
| } |
| |
| JNIEXPORT jboolean JNICALL |
| Java_nsk_jvmti_ResourceExhausted_Helper_gotExhaustedEvent(JNIEnv* env, jclass cls) |
| { |
| return gGotEvent; |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_nsk_jvmti_ResourceExhausted_Helper_resetExhaustedEvent(JNIEnv* env, jclass cls) |
| { |
| gGotEvent = JNI_FALSE; |
| } |
| |
| #ifdef STATIC_BUILD |
| JNIEXPORT jint JNICALL Agent_OnLoad_resexhausted(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNICALL Agent_OnAttach_resexhausted(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNI_OnLoad_resexhausted(JavaVM *jvm, char *options, void *reserved) { |
| return JNI_VERSION_1_8; |
| } |
| #endif |
| jint Agent_Initialize(JavaVM *vm, char *options, void *reserved) |
| { |
| jvmtiEventCallbacks callbacks; |
| jvmtiCapabilities capabilities; |
| |
| if ( ! NSK_VERIFY(nsk_jvmti_parseOptions(options))) |
| return JNI_ERR; |
| |
| if ( ! NSK_VERIFY((gJvmti = nsk_jvmti_createJVMTIEnv(vm, reserved)) != NULL) ) |
| return JNI_ERR; |
| |
| memset(&capabilities, 0, sizeof(jvmtiCapabilities)); |
| capabilities.can_generate_resource_exhaustion_heap_events = 1; |
| capabilities.can_generate_resource_exhaustion_threads_events = 1; |
| if ( ! NSK_JVMTI_VERIFY(NSK_CPP_STUB2(AddCapabilities, gJvmti, &capabilities)) ) |
| return JNI_ERR; |
| |
| memset((void *)&callbacks, 0, sizeof(jvmtiEventCallbacks)); |
| callbacks.ResourceExhausted = resourceExhausted; |
| if ( ! NSK_JVMTI_VERIFY(NSK_CPP_STUB3(SetEventCallbacks, gJvmti, &callbacks, sizeof(callbacks))) ) |
| return JNI_ERR; |
| |
| if ( ! NSK_JVMTI_VERIFY(NSK_CPP_STUB4(SetEventNotificationMode, gJvmti, JVMTI_ENABLE, JVMTI_EVENT_RESOURCE_EXHAUSTED, NULL) ) ) |
| return JNI_ERR; |
| |
| return JNI_OK; |
| } |
| |
| #ifdef __cplusplus |
| } |
| #endif |