| /* |
| * 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. |
| */ |
| /* |
| |
| Unit test to test the following: |
| |
| Onload phase: |
| |
| 1. CreateRawMonitor |
| 2. RawMonitorEnter |
| 3. RawMonitorExit |
| 4. DestroyRawMonitor |
| 5. Recursive RawMonitorEnter and DestroyRawMonitor |
| 6. RawMonitorExit for not owned monitor in onload phase. |
| 7. RawMonitorExit for not owned monitor in live phase. |
| |
| Mixed phase: |
| |
| 1. Onload RawMonitorEnter and live phase RawMonitorExit |
| 2. Onload RawMonitorEnter and start phase RawMonitorExit |
| 3. Start phase RawMonitorEnter and RawMonitorExit. |
| 4. Onload RawmonitorEnter and start phase Destroy |
| |
| */ |
| |
| #include <stdio.h> |
| #include <string.h> |
| #include "jvmti.h" |
| #include "agent_common.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #ifndef JNI_ENV_ARG |
| |
| #ifdef __cplusplus |
| #define JNI_ENV_ARG(x, y) y |
| #define JNI_ENV_ARG1(x) |
| #define JNI_ENV_PTR(x) x |
| #else |
| #define JNI_ENV_ARG(x,y) x, y |
| #define JNI_ENV_ARG1(x) x |
| #define JNI_ENV_PTR(x) (*x) |
| #endif |
| |
| #endif |
| |
| #define JVMTI_ENV_ARG JNI_ENV_ARG |
| #define JVMTI_ENV_ARG1 JNI_ENV_ARG1 |
| #define JVMTI_ENV_PTR JNI_ENV_PTR |
| |
| #define JVMTI_ERROR_CHECK(str,res) if ( res != JVMTI_ERROR_NONE) { printf(str); printf(" %d\n",res); return res;} |
| #define JVMTI_ERROR_CHECK_EXPECTED_ERROR(str,res,err) if ( res != err) { printf(str); printf(" unexpected error %d\n",res); return res;} |
| |
| #define JVMTI_ERROR_CHECK_VOID(str,res) if ( res != JVMTI_ERROR_NONE) { printf(str); printf(" %d\n",res); iGlobalStatus = 2; } |
| |
| #define JVMTI_ERROR_CHECK_EXPECTED_ERROR_VOID(str,res,err) if ( res != err) { printf(str); printf(" unexpected error %d\n",res); iGlobalStatus = 2; } |
| |
| #define THREADS_LIMIT 8 |
| |
| jrawMonitorID access_lock; |
| jrawMonitorID access_lock_not_entered; |
| jvmtiEnv *jvmti; |
| jint iGlobalStatus = 0; |
| jthread main_thread; |
| static jvmtiEventCallbacks callbacks; |
| static jvmtiCapabilities jvmti_caps; |
| jrawMonitorID jraw_monitor[20]; |
| |
| static volatile int process_once = 1; |
| |
| |
| |
| int printdump = 0; |
| |
| |
| void debug_printf(char *fmt, ...) { |
| va_list args; |
| |
| va_start(args, fmt); |
| if (printdump) { |
| vprintf(fmt, args); |
| } |
| va_end(args); |
| } |
| |
| |
| void JNICALL vmStart(jvmtiEnv *jvmti_env, JNIEnv *env) { |
| jvmtiError res; |
| res = JVMTI_ENV_PTR(jvmti)->GetCurrentThread(JVMTI_ENV_ARG1(jvmti_env), &main_thread); |
| JVMTI_ERROR_CHECK_VOID(" JVMTI GetCurrentThread returned error", res); |
| main_thread = (jthread)JNI_ENV_PTR(env)->NewGlobalRef(JNI_ENV_ARG(env, main_thread)); |
| } |
| |
| void JNICALL vmInit(jvmtiEnv *jvmti_env, JNIEnv *env, jthread thread) { |
| |
| jvmtiError res; |
| |
| debug_printf("VMInit event done\n"); |
| res = JVMTI_ENV_PTR(jvmti)->RawMonitorExit(JVMTI_ENV_ARG1(jvmti_env),access_lock); |
| JVMTI_ERROR_CHECK_VOID(" Raw monitor exit returned error", res); |
| res = JVMTI_ENV_PTR(jvmti)->RawMonitorExit(JVMTI_ENV_ARG1(jvmti_env),access_lock); |
| JVMTI_ERROR_CHECK_VOID(" Raw monitor exit returned error", res); |
| } |
| |
| void JNICALL vmExit(jvmtiEnv *jvmti_env, JNIEnv *env) { |
| debug_printf("------------ JVMTI_EVENT_VM_DEATH ------------\n"); |
| } |
| |
| void JNICALL classFileLoadHookEvent(jvmtiEnv *jvmti_env, JNIEnv *env, |
| jclass class_being_redifined, |
| jobject loader, const char* name, |
| jobject protection_domain, |
| jint class_data_len, |
| const unsigned char* class_data, |
| jint* new_class_data_len, |
| unsigned char** new_class_data) { |
| |
| jvmtiError res; |
| jvmtiPhase phase; |
| jthread thread; |
| jboolean is_main; |
| |
| res = JVMTI_ENV_PTR(jvmti)->GetPhase(JVMTI_ENV_ARG1(jvmti_env), &phase); |
| JVMTI_ERROR_CHECK_VOID(" JVMTI GetPhase returned error", res); |
| if (phase != JVMTI_PHASE_START) { |
| return; /* only the start phase is tested */ |
| } |
| res = JVMTI_ENV_PTR(jvmti)->GetCurrentThread(JVMTI_ENV_ARG1(jvmti_env), &thread); |
| JVMTI_ERROR_CHECK_VOID(" JVMTI GetCurrentThread returned error", res); |
| is_main = JNI_ENV_PTR(env)->IsSameObject(JNI_ENV_ARG(env, thread), main_thread); |
| if (is_main == JNI_FALSE) { |
| return; /* only the main thread is tested */ |
| } |
| |
| debug_printf("------------ classFileLoadHookEvent ------------\n"); |
| |
| /* Test raw monitor in start phase */ |
| |
| if (process_once) { |
| |
| process_once = 0; |
| |
| /* test not entered raw monitor */ |
| res = JVMTI_ENV_PTR(jvmti)->RawMonitorExit(JVMTI_ENV_ARG1(jvmti_env),access_lock_not_entered); |
| JVMTI_ERROR_CHECK_EXPECTED_ERROR_VOID("Raw monitor exit returned error", res,JVMTI_ERROR_NOT_MONITOR_OWNER); |
| |
| /* release lock in start phase */ |
| res = JVMTI_ENV_PTR(jvmti)->RawMonitorExit(JVMTI_ENV_ARG1(jvmti_env),access_lock); |
| JVMTI_ERROR_CHECK_VOID("Raw monitor exit returned error", res); |
| |
| /* release lock in start phase */ |
| res = JVMTI_ENV_PTR(jvmti)->RawMonitorExit(JVMTI_ENV_ARG1(jvmti_env),access_lock); |
| JVMTI_ERROR_CHECK_VOID("Raw monitor exit returned error", res); |
| |
| res = JVMTI_ENV_PTR(jvmti)->RawMonitorEnter(JVMTI_ENV_ARG1(jvmti),access_lock); |
| JVMTI_ERROR_CHECK_VOID("Raw monitor enter returned error", res); |
| |
| res = JVMTI_ENV_PTR(jvmti)->RawMonitorEnter(JVMTI_ENV_ARG1(jvmti),access_lock); |
| JVMTI_ERROR_CHECK_VOID("Raw monitor enter returned error", res); |
| } |
| |
| } |
| |
| |
| |
| void init_callbacks() { |
| memset((void *)&callbacks, 0, sizeof(jvmtiEventCallbacks)); |
| callbacks.VMStart = vmStart; |
| callbacks.VMInit = vmInit; |
| callbacks.VMDeath = vmExit; |
| callbacks.ClassFileLoadHook = classFileLoadHookEvent; |
| } |
| |
| |
| #ifdef STATIC_BUILD |
| JNIEXPORT jint JNICALL Agent_OnLoad_rawmonitor(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNICALL Agent_OnAttach_rawmonitor(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNI_OnLoad_rawmonitor(JavaVM *jvm, char *options, void *reserved) { |
| return JNI_VERSION_1_8; |
| } |
| #endif |
| jint Agent_Initialize(JavaVM * jvm, char *options, void *reserved) { |
| jint res; |
| |
| if (options && strlen(options) > 0) { |
| if (strstr(options, "printdump")) { |
| printdump = 1; |
| } |
| } |
| |
| res = JNI_ENV_PTR(jvm)-> |
| GetEnv(JNI_ENV_ARG(jvm, (void **) &jvmti), JVMTI_VERSION_1_1); |
| if (res < 0) { |
| debug_printf("Wrong result of a valid call to GetEnv!\n"); |
| return JNI_ERR; |
| } |
| |
| /* Onload phase Create data access lock */ |
| res = JVMTI_ENV_PTR(jvmti)->CreateRawMonitor(JVMTI_ENV_ARG(jvmti,"_access_lock"),&access_lock); |
| JVMTI_ERROR_CHECK("CreateRawMonitor failed with error code ", res); |
| res = JVMTI_ENV_PTR(jvmti)->CreateRawMonitor(JVMTI_ENV_ARG(jvmti,"_access_lock_not_entered"),&access_lock_not_entered); |
| JVMTI_ERROR_CHECK("CreateRawMonitor failed with error code ", res); |
| /* Create this raw monitor in onload and it is used in live phase */ |
| res = JVMTI_ENV_PTR(jvmti)->CreateRawMonitor(JVMTI_ENV_ARG(jvmti,"RawMonitor-0"),&jraw_monitor[0]); |
| JVMTI_ERROR_CHECK("CreateRawMonitor failed with error code ", res); |
| |
| |
| /* Add capabilities */ |
| res = JVMTI_ENV_PTR(jvmti)->GetPotentialCapabilities(JVMTI_ENV_ARG(jvmti, &jvmti_caps)); |
| JVMTI_ERROR_CHECK("GetPotentialCapabilities returned error", res); |
| |
| res = JVMTI_ENV_PTR(jvmti)->AddCapabilities(JVMTI_ENV_ARG(jvmti, &jvmti_caps)); |
| JVMTI_ERROR_CHECK("GetPotentialCapabilities returned error", res); |
| |
| /* Enable events */ |
| init_callbacks(); |
| res = JVMTI_ENV_PTR(jvmti)->SetEventCallbacks(JVMTI_ENV_ARG(jvmti, &callbacks), sizeof(callbacks)); |
| JVMTI_ERROR_CHECK("SetEventCallbacks returned error", res); |
| |
| res = JVMTI_ENV_PTR(jvmti)->SetEventNotificationMode(JVMTI_ENV_ARG(jvmti,JVMTI_ENABLE),JVMTI_EVENT_VM_INIT,NULL); |
| JVMTI_ERROR_CHECK("SetEventNotificationMode for VM_INIT returned error", res); |
| |
| res = JVMTI_ENV_PTR(jvmti)->SetEventNotificationMode(JVMTI_ENV_ARG(jvmti,JVMTI_ENABLE),JVMTI_EVENT_VM_DEATH,NULL); |
| JVMTI_ERROR_CHECK("SetEventNotificationMode for vm death event returned error", res); |
| |
| res = JVMTI_ENV_PTR(jvmti)->SetEventNotificationMode(JVMTI_ENV_ARG(jvmti,JVMTI_ENABLE),JVMTI_EVENT_CLASS_FILE_LOAD_HOOK,NULL); |
| JVMTI_ERROR_CHECK("SetEventNotificationMode CLASS_FILE_LOAD_HOOK returned error", res); |
| |
| /* acquire lock in onload */ |
| res = JVMTI_ENV_PTR(jvmti)->RawMonitorEnter(JVMTI_ENV_ARG1(jvmti),access_lock); |
| JVMTI_ERROR_CHECK("Raw monitor enter returned error", res); |
| |
| /* release lock in onload */ |
| res = JVMTI_ENV_PTR(jvmti)->RawMonitorExit(JVMTI_ENV_ARG1(jvmti),access_lock); |
| JVMTI_ERROR_CHECK("Raw monitor exit returned error", res); |
| |
| /* test not entered raw monitor */ |
| res = JVMTI_ENV_PTR(jvmti)->RawMonitorExit(JVMTI_ENV_ARG1(jvmti),access_lock_not_entered); |
| JVMTI_ERROR_CHECK_EXPECTED_ERROR("Raw monitor exit returned error", res,JVMTI_ERROR_NOT_MONITOR_OWNER); |
| |
| /* acquire lock in onload */ |
| res = JVMTI_ENV_PTR(jvmti)->RawMonitorEnter(JVMTI_ENV_ARG1(jvmti),access_lock); |
| JVMTI_ERROR_CHECK("Raw monitor enter returned error", res); |
| |
| res = JVMTI_ENV_PTR(jvmti)->RawMonitorEnter(JVMTI_ENV_ARG1(jvmti),access_lock); |
| JVMTI_ERROR_CHECK("Raw monitor enter returned error", res); |
| |
| res = JVMTI_ENV_PTR(jvmti)->RawMonitorEnter(JVMTI_ENV_ARG1(jvmti),access_lock); |
| JVMTI_ERROR_CHECK("Raw monitor enter returned error", res); |
| |
| /* test Destroy raw monitor in onload phase */ |
| res = JVMTI_ENV_PTR(jvmti)->DestroyRawMonitor(JVMTI_ENV_ARG1(jvmti),access_lock); |
| JVMTI_ERROR_CHECK("Destroy Raw monitor returned error", res); |
| |
| /* Create data access lock in onload and enter in onload phase */ |
| res = JVMTI_ENV_PTR(jvmti)->CreateRawMonitor(JVMTI_ENV_ARG(jvmti,"_access_lock"),&access_lock); |
| JVMTI_ERROR_CHECK("CreateRawMonitor failed with error code ", res); |
| |
| res = JVMTI_ENV_PTR(jvmti)->RawMonitorEnter(JVMTI_ENV_ARG1(jvmti),access_lock); |
| JVMTI_ERROR_CHECK("Raw monitor enter returned error", res); |
| |
| res = JVMTI_ENV_PTR(jvmti)->RawMonitorEnter(JVMTI_ENV_ARG1(jvmti),access_lock); |
| JVMTI_ERROR_CHECK("Raw monitor enter returned error", res); |
| |
| |
| /* This monitor is entered here and it is released in live phase by a call from java code |
| */ |
| res = JVMTI_ENV_PTR(jvmti)->RawMonitorEnter(JVMTI_ENV_ARG1(jvmti),jraw_monitor[0]); |
| JVMTI_ERROR_CHECK("Raw monitor enter returned error", res); |
| res = JVMTI_ENV_PTR(jvmti)->RawMonitorEnter(JVMTI_ENV_ARG1(jvmti),jraw_monitor[0]); |
| JVMTI_ERROR_CHECK("Raw monitor enter returned error", res); |
| res = JVMTI_ENV_PTR(jvmti)->RawMonitorExit(JVMTI_ENV_ARG1(jvmti),jraw_monitor[0]); |
| JVMTI_ERROR_CHECK("Raw monitor exit returned error", res); |
| |
| return JNI_OK; |
| } |
| |
| |
| JNIEXPORT jint JNICALL |
| Java_nsk_jvmti_unit_functions_rawmonitor_GetResult(JNIEnv * env, jclass cls) { |
| return iGlobalStatus; |
| } |
| |
| |
| JNIEXPORT void JNICALL |
| Java_nsk_jvmti_unit_functions_rawmonitor_CreateRawMonitor(JNIEnv * env, jclass class, jint i) { |
| jvmtiError ret; |
| char sz[128]; |
| |
| sprintf(sz, "Rawmonitor-%d",i); |
| debug_printf("jvmti create raw monitor \n"); |
| ret = JVMTI_ENV_PTR(jvmti)->CreateRawMonitor(JVMTI_ENV_ARG1(jvmti),sz, &jraw_monitor[i]); |
| |
| if (ret != JVMTI_ERROR_NONE) { |
| printf("Error: CreateRawMonitor %d \n", ret); |
| iGlobalStatus = 2; |
| } |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_nsk_jvmti_unit_functions_rawmonitor_RawMonitorEnter(JNIEnv * env, jclass cls, jint i) { |
| jvmtiError ret; |
| |
| debug_printf("jvmti Raw monitor enter \n"); |
| ret = JVMTI_ENV_PTR(jvmti)->RawMonitorEnter(JVMTI_ENV_ARG1(jvmti),jraw_monitor[i]); |
| |
| if (ret != JVMTI_ERROR_NONE) { |
| printf("Error: RawMonitorEnter %d \n", ret); |
| iGlobalStatus = 2; |
| } |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_nsk_jvmti_unit_functions_rawmonitor_RawMonitorExit(JNIEnv * env, jclass cls, jint i) { |
| jvmtiError ret; |
| |
| debug_printf("jvmti raw monitor exit \n"); |
| ret = JVMTI_ENV_PTR(jvmti)->RawMonitorExit(JVMTI_ENV_ARG1(jvmti), jraw_monitor[i]); |
| |
| if (ret != JVMTI_ERROR_NONE) { |
| printf("Error: RawMonitorExit %d \n", ret); |
| iGlobalStatus = 2; |
| } |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_nsk_jvmti_unit_functions_rawmonitor_RawMonitorWait(JNIEnv * env, jclass cls, jint i) { |
| jvmtiError ret; |
| |
| debug_printf("jvmti RawMonitorWait \n"); |
| ret = JVMTI_ENV_PTR(jvmti)->RawMonitorWait(JVMTI_ENV_ARG1(jvmti),jraw_monitor[i],-1); |
| |
| if (ret != JVMTI_ERROR_NONE) { |
| printf("Error: RawMonitorWait %d \n", ret); |
| iGlobalStatus = 2; |
| } |
| } |
| |
| #ifdef __cplusplus |
| } |
| #endif |