| /* |
| * 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 <string.h> |
| #include "jvmti.h" |
| #include "agent_common.h" |
| #include "JVMTITools.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #ifndef JNI_ENV_ARG |
| |
| #ifdef __cplusplus |
| #define JNI_ENV_ARG(x, y) y |
| #define JNI_ENV_PTR(x) x |
| #else |
| #define JNI_ENV_ARG(x,y) x, y |
| #define JNI_ENV_PTR(x) (*x) |
| #endif |
| |
| #endif |
| |
| #define PASSED 0 |
| #define STATUS_FAILED 2 |
| #define RAW_MONITORS_NUMBER 1024 |
| |
| static jvmtiEnv *jvmti = NULL; |
| static jvmtiEventCallbacks callbacks; |
| static jint result = PASSED; |
| static jboolean printdump = JNI_FALSE; |
| static jrawMonitorID monitors[RAW_MONITORS_NUMBER]; |
| |
| void JNICALL VMInit(jvmtiEnv *jvmti_env, JNIEnv *env, jthread thr) { |
| jvmtiError err; |
| char name[32]; |
| int i; |
| |
| if (printdump == JNI_TRUE) { |
| printf(">>> VMInit event\n"); |
| printf(">>> creating %d raw monitors\n", RAW_MONITORS_NUMBER); |
| } |
| |
| for (i = 0; i < RAW_MONITORS_NUMBER; i++) { |
| sprintf(name, "RawMonitor-%d", i); |
| err = (*jvmti)->CreateRawMonitor(jvmti, name, &monitors[i]); |
| if (err != JVMTI_ERROR_NONE) { |
| printf("(CreateRawMonitor#%d) unexpected error: %s (%d)\n", |
| i, TranslateError(err), err); |
| result = STATUS_FAILED; |
| } |
| } |
| |
| if (printdump == JNI_TRUE) { |
| printf(">>> entering %d raw monitors\n", RAW_MONITORS_NUMBER); |
| } |
| |
| for (i = 0; i < RAW_MONITORS_NUMBER; i++) { |
| err = (*jvmti)->RawMonitorEnter(jvmti, monitors[i]); |
| if (err != JVMTI_ERROR_NONE) { |
| printf("(EnterRawMonitor#%d) unexpected error: %s (%d)\n", |
| i, TranslateError(err), err); |
| result = STATUS_FAILED; |
| } |
| } |
| |
| if (printdump == JNI_TRUE) { |
| printf(">>> notifying %d raw monitors\n", RAW_MONITORS_NUMBER); |
| } |
| |
| for (i = 0; i < RAW_MONITORS_NUMBER; i++) { |
| err = (*jvmti)->RawMonitorNotify(jvmti, monitors[i]); |
| if (err != JVMTI_ERROR_NONE) { |
| printf("(RawMonitorNorify#%d) unexpected error: %s (%d)\n", |
| i, TranslateError(err), err); |
| result = STATUS_FAILED; |
| } |
| } |
| |
| if (printdump == JNI_TRUE) { |
| printf(">>> exiting %d raw monitors\n", RAW_MONITORS_NUMBER); |
| } |
| |
| for (i = 0; i < RAW_MONITORS_NUMBER; i++) { |
| err = (*jvmti)->RawMonitorExit(jvmti, monitors[i]); |
| if (err != JVMTI_ERROR_NONE) { |
| printf("(RawMonitorExit#%d) unexpected error: %s (%d)\n", |
| i, TranslateError(err), err); |
| result = STATUS_FAILED; |
| } |
| } |
| |
| if (printdump == JNI_TRUE) { |
| printf(">>> destroying %d raw monitors\n", RAW_MONITORS_NUMBER); |
| } |
| |
| for (i = 0; i < RAW_MONITORS_NUMBER; i++) { |
| err = (*jvmti)->DestroyRawMonitor(jvmti, monitors[i]); |
| if (err != JVMTI_ERROR_NONE) { |
| printf("(DestroyRawMonitor#%d) unexpected error: %s (%d)\n", |
| i, TranslateError(err), err); |
| result = STATUS_FAILED; |
| } |
| } |
| } |
| |
| #ifdef STATIC_BUILD |
| JNIEXPORT jint JNICALL Agent_OnLoad_rawmnntfy001(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNICALL Agent_OnAttach_rawmnntfy001(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNI_OnLoad_rawmnntfy001(JavaVM *jvm, char *options, void *reserved) { |
| return JNI_VERSION_1_8; |
| } |
| #endif |
| jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) { |
| jvmtiError err; |
| jint res; |
| |
| if (options != NULL && strcmp(options, "printdump") == 0) { |
| printdump = JNI_TRUE; |
| } |
| |
| res = JNI_ENV_PTR(jvm)->GetEnv(JNI_ENV_ARG(jvm, (void **) &jvmti), |
| JVMTI_VERSION_1_1); |
| if (res != JNI_OK || jvmti == NULL) { |
| printf("Wrong result of a valid call to GetEnv!\n"); |
| return JNI_ERR; |
| } |
| |
| callbacks.VMInit = &VMInit; |
| err = (*jvmti)->SetEventCallbacks(jvmti, &callbacks, sizeof(callbacks)); |
| if (err != JVMTI_ERROR_NONE) { |
| printf("(SetEventCallbacks) unexpected error: %s (%d)\n", |
| TranslateError(err), err); |
| return JNI_ERR; |
| } |
| |
| err = (*jvmti)->SetEventNotificationMode(jvmti, JVMTI_ENABLE, |
| JVMTI_EVENT_VM_INIT, NULL); |
| if (err != JVMTI_ERROR_NONE) { |
| printf("Failed to enable JVMTI_EVENT_VM_INIT: %s (%d)\n", |
| TranslateError(err), err); |
| return JNI_ERR; |
| } |
| |
| return JNI_OK; |
| } |
| |
| JNIEXPORT jint JNICALL Java_nsk_jvmti_RawMonitorNotify_rawmnntfy001_check(JNIEnv *env, jclass cls) { |
| jvmtiError err; |
| char name[32]; |
| int i; |
| |
| if (printdump == JNI_TRUE) { |
| printf(">>> native method call\n"); |
| printf(">>> creating %d raw monitors\n", RAW_MONITORS_NUMBER); |
| } |
| |
| for (i = 0; i < RAW_MONITORS_NUMBER; i++) { |
| sprintf(name, "RawMonitor-%d", i); |
| err = (*jvmti)->CreateRawMonitor(jvmti, name, &monitors[i]); |
| if (err != JVMTI_ERROR_NONE) { |
| printf("(CreateRawMonitor#%d) unexpected error: %s (%d)\n", |
| i, TranslateError(err), err); |
| result = STATUS_FAILED; |
| } |
| } |
| |
| if (printdump == JNI_TRUE) { |
| printf(">>> entering %d raw monitors\n", RAW_MONITORS_NUMBER); |
| } |
| |
| for (i = 0; i < RAW_MONITORS_NUMBER; i++) { |
| err = (*jvmti)->RawMonitorEnter(jvmti, monitors[i]); |
| if (err != JVMTI_ERROR_NONE) { |
| printf("(EnterRawMonitor#%d) unexpected error: %s (%d)\n", |
| i, TranslateError(err), err); |
| result = STATUS_FAILED; |
| } |
| } |
| |
| if (printdump == JNI_TRUE) { |
| printf(">>> notifying %d raw monitors\n", RAW_MONITORS_NUMBER); |
| } |
| |
| for (i = 0; i < RAW_MONITORS_NUMBER; i++) { |
| err = (*jvmti)->RawMonitorNotify(jvmti, monitors[i]); |
| if (err != JVMTI_ERROR_NONE) { |
| printf("(RawMonitorNorify#%d) unexpected error: %s (%d)\n", |
| i, TranslateError(err), err); |
| result = STATUS_FAILED; |
| } |
| } |
| |
| if (printdump == JNI_TRUE) { |
| printf(">>> exiting %d raw monitors\n", RAW_MONITORS_NUMBER); |
| } |
| |
| for (i = 0; i < RAW_MONITORS_NUMBER; i++) { |
| err = (*jvmti)->RawMonitorExit(jvmti, monitors[i]); |
| if (err != JVMTI_ERROR_NONE) { |
| printf("(RawMonitorExit#%d) unexpected error: %s (%d)\n", |
| i, TranslateError(err), err); |
| result = STATUS_FAILED; |
| } |
| } |
| |
| if (printdump == JNI_TRUE) { |
| printf(">>> destroying %d raw monitors\n", RAW_MONITORS_NUMBER); |
| } |
| |
| for (i = 0; i < RAW_MONITORS_NUMBER; i++) { |
| err = (*jvmti)->DestroyRawMonitor(jvmti, monitors[i]); |
| if (err != JVMTI_ERROR_NONE) { |
| printf("(DestroyRawMonitor#%d) unexpected error: %s (%d)\n", |
| i, TranslateError(err), err); |
| result = STATUS_FAILED; |
| } |
| } |
| |
| return result; |
| } |
| |
| #ifdef __cplusplus |
| } |
| #endif |
