| /* |
| * Copyright (c) 2007, 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" |
| |
| #ifndef STANDALONE |
| #include "JVMTITools.h" |
| #endif |
| |
| #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 THREAD_STATE_MASK ~(JVMTI_THREAD_STATE_SUSPENDED \ |
| | JVMTI_THREAD_STATE_INTERRUPTED \ |
| | JVMTI_THREAD_STATE_IN_NATIVE \ |
| | JVMTI_THREAD_STATE_VENDOR_1 \ |
| | JVMTI_THREAD_STATE_VENDOR_2 \ |
| | JVMTI_THREAD_STATE_VENDOR_3) |
| |
| static int g_ThreadState[] = { |
| 0, /* TS_NEW */ |
| JVMTI_THREAD_STATE_TERMINATED, /* TS_TERMINATED */ |
| JVMTI_THREAD_STATE_ALIVE |
| | JVMTI_THREAD_STATE_RUNNABLE, /* TS_RUN_RUNNING */ |
| JVMTI_THREAD_STATE_ALIVE |
| | JVMTI_THREAD_STATE_BLOCKED_ON_MONITOR_ENTER, /* TS_RUN_BLOCKED */ |
| JVMTI_THREAD_STATE_ALIVE |
| | JVMTI_THREAD_STATE_IN_OBJECT_WAIT |
| | JVMTI_THREAD_STATE_WAITING |
| | JVMTI_THREAD_STATE_WAITING_WITH_TIMEOUT, /* TS_RUN_WAIT_TIMED */ |
| JVMTI_THREAD_STATE_ALIVE |
| | JVMTI_THREAD_STATE_IN_OBJECT_WAIT |
| | JVMTI_THREAD_STATE_WAITING |
| | JVMTI_THREAD_STATE_WAITING_INDEFINITELY, /* TS_RUN_WAIT_INDEF */ |
| JVMTI_THREAD_STATE_ALIVE |
| | JVMTI_THREAD_STATE_PARKED |
| | JVMTI_THREAD_STATE_WAITING |
| | JVMTI_THREAD_STATE_WAITING_INDEFINITELY, /* TS_RUN_WAIT_PARKED_INDEF */ |
| JVMTI_THREAD_STATE_ALIVE |
| | JVMTI_THREAD_STATE_PARKED |
| | JVMTI_THREAD_STATE_WAITING |
| | JVMTI_THREAD_STATE_WAITING_WITH_TIMEOUT, /* TS_RUN_WAIT_PARKED_TIMED */ |
| JVMTI_THREAD_STATE_ALIVE |
| | JVMTI_THREAD_STATE_SLEEPING |
| | JVMTI_THREAD_STATE_WAITING |
| | JVMTI_THREAD_STATE_WAITING_WITH_TIMEOUT, /* TS_RUN_WAIT_SLEEPING */ |
| }; |
| |
| static jvmtiEnv * g_ppJvmtiEnv = NULL; |
| static int g_waitTime = 1000; |
| jrawMonitorID g_waitMon; /* Monitor is used just for sleeping */ |
| |
| void reportError(const char * szErr, int res) { |
| #ifndef STANDALONE |
| printf("%s (%d: %s)\n", szErr, res, TranslateError(res)); |
| #else |
| printf("%s (%d)\n", szErr, res); |
| #endif |
| fflush(stdout); |
| } |
| |
| #ifdef STATIC_BUILD |
| JNIEXPORT jint JNICALL Agent_OnLoad_thrstat005(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNICALL Agent_OnAttach_thrstat005(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNI_OnLoad_thrstat005(JavaVM *jvm, char *options, void *reserved) { |
| return JNI_VERSION_1_8; |
| } |
| #endif |
| jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) { |
| jint res; |
| |
| res = JNI_ENV_PTR(jvm)->GetEnv(JNI_ENV_ARG(jvm, (void **) &g_ppJvmtiEnv), JVMTI_VERSION_1_1); |
| if ( res != JNI_OK || ! g_ppJvmtiEnv ) { |
| printf("Agent_OnLoad: Error: GetEnv returned error or NULL\n"); |
| return JNI_ERR; |
| } |
| |
| res = (*g_ppJvmtiEnv)->CreateRawMonitor(g_ppJvmtiEnv, "beast", &g_waitMon); |
| if ( res != JVMTI_ERROR_NONE ) { |
| reportError("Agent_OnLoad: error creating raw monitor", res); |
| return JNI_ERR; |
| } |
| |
| return JNI_OK; |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_nsk_jvmti_GetThreadState_thrstat005_setWaitTime(JNIEnv * pEnv, jclass class, jint waitTime) { |
| g_waitTime = waitTime; |
| } |
| |
| JNIEXPORT jboolean JNICALL |
| Java_nsk_jvmti_GetThreadState_thrstat005_checkThreadState(JNIEnv * pEnv, jclass class, jthread thread, jint stateIdx) { |
| |
| jint thrState; |
| jint maskedThrState; |
| int waitTime = 10; |
| |
| /* Repeat querying status until waitTime < g_waitTime */ |
| do { |
| int res = (*g_ppJvmtiEnv)->GetThreadState(g_ppJvmtiEnv, thread, &thrState); |
| if (res != JVMTI_ERROR_NONE) { |
| reportError("GetThreadState: unexpected error", res); |
| return JNI_FALSE; |
| } |
| |
| maskedThrState = thrState & THREAD_STATE_MASK; |
| printf("GetThreadState = %x. Masked: %x. Must be: %x\n", thrState, maskedThrState, g_ThreadState[stateIdx]); |
| fflush(stdout); |
| |
| if ( maskedThrState == g_ThreadState[stateIdx] ) |
| return JNI_TRUE; |
| |
| printf("checkThreadState: wait %d ms\n", waitTime); |
| fflush(stdout); |
| if ( (res = (*g_ppJvmtiEnv)->RawMonitorEnter(g_ppJvmtiEnv, g_waitMon)) != JVMTI_ERROR_NONE |
| || (res = (*g_ppJvmtiEnv)->RawMonitorWait(g_ppJvmtiEnv, g_waitMon, waitTime)) != JVMTI_ERROR_NONE |
| || (res = (*g_ppJvmtiEnv)->RawMonitorExit(g_ppJvmtiEnv, g_waitMon)) != JVMTI_ERROR_NONE ) { |
| reportError("GetThreadState: unexpected error", res); |
| return JNI_FALSE; |
| } |
| |
| waitTime <<= 1; |
| |
| } while ( waitTime < g_waitTime ); |
| |
| return JNI_FALSE; |
| } |
| |
| #ifdef __cplusplus |
| } |
| #endif |