1 /* 2 * Copyright (c) 2004, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 #include <stdlib.h> 25 #include <string.h> 26 #include "jni_tools.h" 27 #include "agent_common.h" 28 #include "jvmti_tools.h" 29 30 #define PASSED 0 31 #define STATUS_FAILED 2 32 33 extern "C" { 34 35 /* ========================================================================== */ 36 37 /* scaffold objects */ 38 static jlong timeout = 0; 39 40 /* test objects */ 41 static int VMInitEventsCount = 0; 42 static int VMInitEventsExpected = 1; 43 static int VMDeathEventsCount = 0; 44 static int VMDeathEventsExpected = 1; 45 static int ThreadStartEventsCount = 0; 46 47 /* ========================================================================== */ 48 49 /** callback functions **/ 50 51 void JNICALL VMInit(jvmtiEnv *jvmti_env, JNIEnv *env, jthread thr) { 52 NSK_DISPLAY0("VMInit event\n"); 53 VMInitEventsCount++; 54 } 55 56 void JNICALL ThreadStart(jvmtiEnv *jvmti_env, JNIEnv *env, jthread thr) { 57 NSK_DISPLAY0("ThreadStart event\n"); 58 ThreadStartEventsCount++; 59 } 60 61 void JNICALL 62 VMDeath(jvmtiEnv *jvmti_env, JNIEnv *env) { 63 NSK_DISPLAY0("VMDeath event\n"); 64 VMDeathEventsCount++; 65 } 66 67 /* ========================================================================== */ 68 69 /** Agent algorithm. */ 70 static void JNICALL 71 agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) { 72 if (!nsk_jvmti_waitForSync(timeout)) 73 return; 74 75 if (VMInitEventsCount != VMInitEventsExpected) { 76 NSK_COMPLAIN2("Wrong number of VM init events: %d, expected: %d\n", 77 VMInitEventsCount, VMInitEventsExpected); 78 nsk_jvmti_setFailStatus(); 79 } 80 81 if (ThreadStartEventsCount == 0) { 82 NSK_COMPLAIN0("No thread start events\n"); 83 nsk_jvmti_setFailStatus(); 84 } 85 86 if (!nsk_jvmti_resumeSync()) 87 return; 88 } 89 90 /* ========================================================================== */ 91 92 /** Agent library initialization. */ 93 #ifdef STATIC_BUILD 94 JNIEXPORT jint JNICALL Agent_OnLoad_ma03t001(JavaVM *jvm, char *options, void *reserved) { 95 return Agent_Initialize(jvm, options, reserved); 96 } 97 JNIEXPORT jint JNICALL Agent_OnAttach_ma03t001(JavaVM *jvm, char *options, void *reserved) { 98 return Agent_Initialize(jvm, options, reserved); 99 } 100 JNIEXPORT jint JNI_OnLoad_ma03t001(JavaVM *jvm, char *options, void *reserved) { 101 return JNI_VERSION_1_8; 102 } 103 #endif 104 jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) { 105 jvmtiEnv* jvmti = NULL; 106 jvmtiEventCallbacks callbacks; 107 108 NSK_DISPLAY0("Agent_OnLoad\n"); 109 110 if (!NSK_VERIFY(nsk_jvmti_parseOptions(options))) 111 return JNI_ERR; 112 113 timeout = nsk_jvmti_getWaitTime() * 60 * 1000; 114 115 if (!NSK_VERIFY((jvmti = 116 nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL)) 117 return JNI_ERR; 118 119 if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, NULL))) 120 return JNI_ERR; 121 122 memset(&callbacks, 0, sizeof(callbacks)); 123 callbacks.VMInit = &VMInit; 124 callbacks.ThreadStart = &ThreadStart; 125 callbacks.VMDeath = &VMDeath; 126 if (!NSK_VERIFY(nsk_jvmti_init_MA(&callbacks))) 127 return JNI_ERR; 128 129 if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB4(SetEventNotificationMode, 130 jvmti, JVMTI_ENABLE, JVMTI_EVENT_VM_INIT, NULL))) 131 return JNI_ERR; 132 133 if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB4(SetEventNotificationMode, 134 jvmti, JVMTI_ENABLE, JVMTI_EVENT_VM_DEATH, NULL))) 135 return JNI_ERR; 136 137 if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB4(SetEventNotificationMode, 138 jvmti, JVMTI_ENABLE, JVMTI_EVENT_THREAD_START, NULL))) 139 return JNI_ERR; 140 141 return JNI_OK; 142 } 143 144 /* ========================================================================== */ 145 146 /* agent library shutdown */ 147 JNIEXPORT void JNICALL 148 #ifdef STATIC_BUILD 149 Agent_OnUnload_ma03t001(JavaVM *jvm) 150 #else 151 Agent_OnUnload(JavaVM *jvm) 152 #endif 153 { 154 if (VMDeathEventsCount != VMDeathEventsExpected) { 155 NSK_COMPLAIN2("Wrong number of VM death events: %d, expected: %d\n", 156 VMDeathEventsCount, VMDeathEventsExpected); 157 exit(97); 158 } 159 } 160 161 /* ========================================================================== */ 162 163 }