| /* |
| * 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 <string.h> |
| #include "jvmti.h" |
| #include "agent_common.h" |
| #include "jni_tools.h" |
| #include "jvmti_tools.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| |
| /* ============================================================================= */ |
| |
| /* constant names */ |
| #define DEBUGEE_CLASS_NAME "nsk/jvmti/scenarios/sampling/SP01/sp01t001" |
| #define THREAD_CLASS_NAME "nsk/jvmti/scenarios/sampling/SP01/sp01t001Thread" |
| #define THREADS_FIELD_NAME "threads" |
| #define THREADS_FIELD_SIG "[L"THREAD_CLASS_NAME";" |
| |
| /* scaffold objects */ |
| static JNIEnv* jni = NULL; |
| static jvmtiEnv *jvmti = NULL; |
| static jlong timeout = 0; |
| |
| /* number of tested threads */ |
| #define THREADS_COUNT 2 |
| |
| /* names of tested threads */ |
| static const char* threadsName[THREADS_COUNT] = { |
| "NotStarted", |
| "Finished" |
| }; |
| |
| #define JVMTI_THREAD_STATE_NOT_STARTED 0 |
| /* expected states of tested threads */ |
| static jint threadsState[THREADS_COUNT] = { |
| JVMTI_THREAD_STATE_NOT_STARTED, /* JVMTI_THREAD_STATUS_NOT_STARTED */ |
| JVMTI_THREAD_STATE_TERMINATED /* JVMTI_THREAD_STATUS_ZOMBIE */ |
| }; |
| |
| /* references to tested threads */ |
| static jthread threadsList[THREADS_COUNT]; |
| |
| /* ============================================================================= */ |
| |
| /* testcase(s) */ |
| static int prepare(); |
| static int checkThreads(const char* kind); |
| static int clean(); |
| |
| /* ============================================================================= */ |
| |
| /** Agent algorithm. */ |
| static void JNICALL |
| agentProc(jvmtiEnv* jvmti, JNIEnv* agentJNI, void* arg) { |
| jni = agentJNI; |
| |
| /* wait for initial sync */ |
| if (!nsk_jvmti_waitForSync(timeout)) |
| return; |
| |
| /* perform testcase(s) */ |
| { |
| /* obtain threads list */ |
| if (!prepare()) { |
| nsk_jvmti_setFailStatus(); |
| return; |
| } |
| |
| /* testcase #1: check not alive threads */ |
| NSK_DISPLAY0("Testcase #1: check state of not alive threads\n"); |
| if (!checkThreads("not alive")) |
| return; |
| |
| /* clean threads references */ |
| if (!clean()) { |
| nsk_jvmti_setFailStatus(); |
| return; |
| } |
| } |
| |
| /* resume debugee after last sync */ |
| if (!nsk_jvmti_resumeSync()) |
| return; |
| } |
| |
| /* ============================================================================= */ |
| |
| /** |
| * Prepare data: |
| * - get threads array from static field |
| * - get each thread from array |
| * - make global refs |
| */ |
| static int prepare() { |
| jclass debugeeClass = NULL; |
| jfieldID threadsFieldID = NULL; |
| jobjectArray threadsArray = NULL; |
| jsize threadsArrayLength = 0; |
| jsize i; |
| |
| /* find debugee class */ |
| if (!NSK_JNI_VERIFY(jni, (debugeeClass = |
| NSK_CPP_STUB2(FindClass, jni, DEBUGEE_CLASS_NAME)) != NULL)) |
| return NSK_FALSE; |
| |
| /* find static field with threads array */ |
| if (!NSK_JNI_VERIFY(jni, (threadsFieldID = |
| NSK_CPP_STUB4(GetStaticFieldID, jni, debugeeClass, |
| THREADS_FIELD_NAME, THREADS_FIELD_SIG)) != NULL)) |
| return NSK_FALSE; |
| |
| /* get threads array from static field */ |
| if (!NSK_JNI_VERIFY(jni, (threadsArray = (jobjectArray) |
| NSK_CPP_STUB3(GetStaticObjectField, jni, debugeeClass, threadsFieldID)) != NULL)) |
| return NSK_FALSE; |
| |
| /* check array length */ |
| if (!NSK_JNI_VERIFY(jni, (threadsArrayLength = |
| NSK_CPP_STUB2(GetArrayLength, jni, threadsArray)) == THREADS_COUNT)) |
| return NSK_FALSE; |
| |
| /* get each thread from array */ |
| for (i = 0; i < THREADS_COUNT; i++) { |
| if (!NSK_JNI_VERIFY(jni, (threadsList[i] = (jthread) |
| NSK_CPP_STUB3(GetObjectArrayElement, jni, threadsArray, i)) != NULL)) |
| return NSK_FALSE; |
| } |
| |
| /* make global references to threads */ |
| for (i = 0; i < THREADS_COUNT; i++) { |
| if (!NSK_JNI_VERIFY(jni, (threadsList[i] = (jthread) |
| NSK_CPP_STUB2(NewGlobalRef, jni, threadsList[i])) != NULL)) |
| return NSK_FALSE; |
| } |
| |
| return NSK_TRUE; |
| } |
| |
| /** |
| * Testcase: check threads state for given suspension |
| * |
| * Returns NSK_TRUE if test may continue; or NSK_FALSE for test break. |
| */ |
| static int checkThreads(const char* kind) { |
| int i; |
| |
| /* check each thread */ |
| for (i = 0; i < THREADS_COUNT; i++) { |
| jthread thread = threadsList[i]; |
| jint state = JVMTI_THREAD_STATE_NOT_STARTED; |
| |
| NSK_DISPLAY2(" thread #%d (%s):\n", i, threadsName[i]); |
| |
| /* get thread state */ |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB3(GetThreadState, jvmti, threadsList[i], &state))) { |
| nsk_jvmti_setFailStatus(); |
| return NSK_TRUE; |
| } |
| |
| /* display thread state */ |
| NSK_DISPLAY2(" state=%s (%d)\n", |
| TranslateState(state), (int)state); |
| |
| /* check thread state */ |
| if ((state & threadsState[i]) == 0) { |
| if (state == JVMTI_THREAD_STATE_NOT_STARTED) { |
| NSK_DISPLAY1("state of thread #%d is NOT_STARTED\n", kind); |
| } else { |
| NSK_COMPLAIN7("Unexpected state of %s thread #%d (%s):\n" |
| "# got: %s (%d), expected: %s (%d)\n", |
| kind, i, threadsName[i], |
| TranslateState(state), (int)state, |
| TranslateState(threadsState[i]), (int)threadsState[i]); |
| nsk_jvmti_setFailStatus(); |
| } |
| } |
| |
| /* check SUSPENDED state flag */ |
| if (state & JVMTI_THREAD_STATE_SUSPENDED) { |
| NSK_COMPLAIN3("Unexpected SUSPENDED state flag for %s thread #%d: %d\n", |
| kind, i, (int)state); |
| nsk_jvmti_setFailStatus(); |
| } |
| |
| /* check INTERRUPTED state flag */ |
| if (state & JVMTI_THREAD_STATE_INTERRUPTED) { |
| NSK_COMPLAIN3("Unexpected INTERRUPTED state flag for %s thread #%d: %d\n", |
| kind, i, (int)state); |
| nsk_jvmti_setFailStatus(); |
| } |
| |
| /* check NATIVE state flag */ |
| if (state & JVMTI_THREAD_STATE_IN_NATIVE) { |
| NSK_COMPLAIN3("Unexpected NATIVE state flag for %s thread #%d: %d\n", |
| kind, i, (int)state); |
| nsk_jvmti_setFailStatus(); |
| } |
| } |
| |
| /* test may continue */ |
| return NSK_TRUE; |
| } |
| |
| /** |
| * Clean data: |
| * - dispose global references to tested threads |
| */ |
| static int clean() { |
| int i; |
| |
| /* dispose global references to threads */ |
| for (i = 0; i < THREADS_COUNT; i++) { |
| NSK_TRACE(NSK_CPP_STUB2(DeleteGlobalRef, jni, threadsList[i])); |
| } |
| |
| return NSK_TRUE; |
| } |
| |
| /* ============================================================================= */ |
| |
| /** Agent library initialization. */ |
| #ifdef STATIC_BUILD |
| JNIEXPORT jint JNICALL Agent_OnLoad_sp01t001(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNICALL Agent_OnAttach_sp01t001(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNI_OnLoad_sp01t001(JavaVM *jvm, char *options, void *reserved) { |
| return JNI_VERSION_1_8; |
| } |
| #endif |
| jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) { |
| |
| /* init framework and parse options */ |
| if (!NSK_VERIFY(nsk_jvmti_parseOptions(options))) |
| return JNI_ERR; |
| |
| timeout = nsk_jvmti_getWaitTime() * 60 * 1000; |
| |
| /* create JVMTI environment */ |
| if (!NSK_VERIFY((jvmti = |
| nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL)) |
| return JNI_ERR; |
| |
| /* register agent proc and arg */ |
| if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, NULL))) |
| return JNI_ERR; |
| |
| return JNI_OK; |
| } |
| |
| /* ============================================================================= */ |
| |
| #ifdef __cplusplus |
| } |
| #endif |
