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test/hotspot/jtreg/vmTestbase/nsk/jvmti/scenarios/events/EM02/em02t009/em02t009.cpp

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rev 52050 : [mq]: refactor


 126                     result = NSK_FALSE;
 127                 }
 128             }
 129         } else {
 130 
 131             if (currentCounts[i] > 0) {
 132                 NSK_COMPLAIN2("Unexpected event %s was sent %d times\n",
 133                                     TranslateEvent(curr),
 134                                     currentCounts[i]);
 135                 result = NSK_FALSE;
 136             }
 137         }
 138     }
 139 
 140     return result;
 141 }
 142 
 143 static void
 144 changeCount(jvmtiEvent event, int *currentCounts) {
 145 
 146     if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(RawMonitorEnter, jvmti, syncLock)))
 147         nsk_jvmti_setFailStatus();
 148 
 149     currentCounts[event - JVMTI_MIN_EVENT_TYPE_VAL]++;
 150 
 151     if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(RawMonitorExit, jvmti, syncLock)))
 152         nsk_jvmti_setFailStatus();
 153 
 154 }
 155 
 156 /* ============================================================================= */
 157 
 158 /* callbacks */
 159 JNIEXPORT void JNICALL
 160 cbVMInit(jvmtiEnv* jvmti, JNIEnv* jni_env, jthread thread) {
 161     changeCount(JVMTI_EVENT_VM_INIT, &eventCount[0]);
 162 }
 163 
 164 JNIEXPORT void JNICALL
 165 cbVMDeath(jvmtiEnv* jvmti, JNIEnv* jni_env) {
 166     changeCount(JVMTI_EVENT_VM_DEATH, &newEventCount[0]);
 167     showEventStatistics(STEP_NUMBER);
 168     if (!checkEvents(STEP_NUMBER))
 169         nsk_jvmti_setFailStatus();
 170 
 171     if (!NSK_JVMTI_VERIFY(
 172             NSK_CPP_STUB2(DestroyRawMonitor, jvmti, syncLock)))
 173         nsk_jvmti_setFailStatus();
 174 
 175 }
 176 
 177 void JNICALL
 178 cbException(jvmtiEnv *jvmti_env, JNIEnv* jni_env, jthread thread,
 179                 jmethodID method, jlocation location, jobject exception,
 180                 jmethodID catch_method, jlocation catch_location) {
 181 
 182     changeCount(JVMTI_EVENT_EXCEPTION, &eventCount[0]);
 183 }
 184 
 185 void JNICALL
 186 cbExceptionCatch(jvmtiEnv *jvmti_env, JNIEnv* jni_env, jthread thread,
 187                 jmethodID method, jlocation location, jobject exception) {
 188 
 189     changeCount(JVMTI_EVENT_EXCEPTION_CATCH, &eventCount[0]);
 190 }
 191 
 192 void JNICALL


 212 cbFieldAccess(jvmtiEnv *jvmti_env, JNIEnv* jni_env, jthread thread,
 213                 jmethodID method, jlocation location, jclass field_klass,
 214                 jobject object, jfieldID field) {
 215     changeCount(JVMTI_EVENT_FIELD_ACCESS, &eventCount[0]);
 216 }
 217 
 218 void JNICALL
 219 cbFieldModification(jvmtiEnv *jvmti_env, JNIEnv* jni_env, jthread thread,
 220                 jmethodID method, jlocation location, jclass field_klass,
 221                 jobject object, jfieldID field, char signature_type,
 222                 jvalue new_value) {
 223     changeCount(JVMTI_EVENT_FIELD_MODIFICATION, &eventCount[0]);
 224 }
 225 
 226 void handler1(jvmtiEnv *jvmti_env, jvmtiEvent event, jmethodID method) {
 227 
 228     char *name;
 229     char *sign;
 230     char *genc;
 231 
 232     if (!NSK_JVMTI_VERIFY(
 233             NSK_CPP_STUB5(
 234                 GetMethodName, jvmti_env, method, &name, &sign, &genc))) {
 235         nsk_jvmti_setFailStatus();
 236         return;
 237     }
 238 
 239     if (!strncmp(name,"javaMethod", 8)) {
 240         changeCount(event, &eventCount[0]);
 241     }
 242 
 243     if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(Deallocate,
 244             jvmti_env, (unsigned char*)name))) {
 245         nsk_jvmti_setFailStatus();
 246     }
 247     if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(Deallocate,
 248             jvmti_env, (unsigned char*)sign))) {
 249         nsk_jvmti_setFailStatus();
 250     }
 251     if (genc != NULL)
 252         if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(Deallocate,
 253                 jvmti_env, (unsigned char*)genc))) {
 254             nsk_jvmti_setFailStatus();
 255         }
 256 }
 257 
 258 void JNICALL
 259 cbMethodEntry(jvmtiEnv *jvmti_env, JNIEnv* jni_env, jthread thread,
 260                 jmethodID method) {
 261 
 262     handler1(jvmti_env, JVMTI_EVENT_METHOD_ENTRY, method);
 263 }
 264 
 265 void JNICALL
 266 cbMethodExit(jvmtiEnv *jvmti_env, JNIEnv* jni_env, jthread thread,
 267                 jmethodID method, jboolean was_popped_by_exception,
 268                 jvalue return_value) {
 269 
 270     handler1(jvmti_env, JVMTI_EVENT_METHOD_EXIT, method);
 271 }
 272 
 273 void handler2(jvmtiEnv *jvmti_env, jvmtiEvent event, jmethodID method) {
 274 
 275     char *name;
 276     char *sign;
 277     char *genc;
 278 
 279     if (!NSK_JVMTI_VERIFY(
 280             NSK_CPP_STUB5(
 281                 GetMethodName, jvmti_env, method, &name, &sign, &genc))) {
 282         nsk_jvmti_setFailStatus();
 283         return;
 284     }
 285 
 286     if (!strncmp(name,"javaMethod", 8)) {
 287         changeCount(event, &newEventCount[0]);
 288     }
 289 
 290     if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(Deallocate,
 291             jvmti_env, (unsigned char*)name))) {
 292         nsk_jvmti_setFailStatus();
 293     }
 294     if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(Deallocate,
 295             jvmti_env, (unsigned char*)sign))) {
 296         nsk_jvmti_setFailStatus();
 297     }
 298     if (genc != NULL)
 299         if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(Deallocate,
 300                 jvmti_env, (unsigned char*)genc))) {
 301             nsk_jvmti_setFailStatus();
 302         }
 303 }
 304 
 305 void JNICALL
 306 cbNewMethodEntry(jvmtiEnv *jvmti_env, JNIEnv* jni_env, jthread thread,
 307                 jmethodID method) {
 308 
 309     handler2(jvmti_env, JVMTI_EVENT_METHOD_ENTRY, method);
 310 }
 311 
 312 void JNICALL
 313 cbNewMethodExit(jvmtiEnv *jvmti_env, JNIEnv* jni_env, jthread thread,
 314                 jmethodID method, jboolean was_popped_by_exception,
 315                 jvalue return_value) {
 316 
 317     handler2(jvmti_env, JVMTI_EVENT_METHOD_EXIT, method);
 318 }
 319 
 320 void JNICALL


 378 cbObjectFree(jvmtiEnv *jvmti_env, jlong tag) {
 379 
 380     changeCount(JVMTI_EVENT_OBJECT_FREE, &eventCount[0]);
 381 }
 382 
 383 void JNICALL
 384 cbVMObjectAlloc(jvmtiEnv *jvmti_env, JNIEnv* jni_env, jthread thread,
 385                     jobject object, jclass object_klass, jlong size) {
 386 
 387     changeCount(JVMTI_EVENT_VM_OBJECT_ALLOC, &eventCount[0]);
 388 }
 389 
 390 /* ============================================================================= */
 391 
 392 static int enableEvent(jvmtiEvent event) {
 393 
 394     if (nsk_jvmti_isOptionalEvent(event)
 395             && (event != JVMTI_EVENT_METHOD_ENTRY)
 396             && (event != JVMTI_EVENT_METHOD_EXIT)) {
 397         if (!NSK_JVMTI_VERIFY_CODE(JVMTI_ERROR_MUST_POSSESS_CAPABILITY,
 398                 NSK_CPP_STUB4(SetEventNotificationMode, jvmti,
 399                     JVMTI_ENABLE, event, NULL))) {
 400             NSK_COMPLAIN1("Unexpected error enabling %s\n",
 401                 TranslateEvent(event));
 402             return NSK_FALSE;
 403         }
 404     } else {
 405         if (!NSK_JVMTI_VERIFY(
 406                 NSK_CPP_STUB4(SetEventNotificationMode, jvmti,
 407                     JVMTI_ENABLE, event, NULL))) {
 408             NSK_COMPLAIN1("Unexpected error enabling %s\n",
 409                 TranslateEvent(event));
 410             return NSK_FALSE;
 411         }
 412     }
 413 
 414     return NSK_TRUE;
 415 }
 416 
 417 /**
 418  * Enable or disable tested events.
 419  */
 420 static int enableEventList() {
 421 
 422     int i, result;
 423 
 424     result = enableEvent(JVMTI_EVENT_VM_INIT);
 425 
 426     result = result && enableEvent(JVMTI_EVENT_VM_DEATH);
 427 


 481             break;
 482 
 483         case 2:
 484             for (i = 0; i < JVMTI_EVENT_COUNT; i++) {
 485                 newEventCount[i] = 0;
 486             }
 487 
 488             eventCallbacks.MethodEntry               = cbNewMethodEntry;
 489             eventCallbacks.MethodExit                = cbNewMethodExit;
 490             break;
 491 
 492         case 3:
 493             for (i = 0; i < JVMTI_EVENT_COUNT; i++) {
 494                 newEventCount[i] = 0;
 495             }
 496 
 497             eventCallbacks.VMDeath                   = cbVMDeath;
 498             break;
 499 
 500     }
 501     if (!NSK_JVMTI_VERIFY(
 502             NSK_CPP_STUB3(SetEventCallbacks, jvmti,
 503                                 &eventCallbacks,
 504                                 sizeof(eventCallbacks))))
 505         return NSK_FALSE;
 506 
 507     return NSK_TRUE;
 508 }
 509 
 510 /* ============================================================================= */
 511 
 512 /** Agent algorithm. */
 513 static void JNICALL
 514 agentProc(jvmtiEnv* jvmti, JNIEnv* agentJNI, void* arg) {
 515 
 516     int i;
 517 
 518     for (i = 1; i <= STEP_NUMBER; i++) {
 519 
 520         if (!nsk_jvmti_waitForSync(timeout))
 521             return;
 522 
 523         if (i < STEP_NUMBER) {
 524             showEventStatistics(i);


 543 JNIEXPORT jint JNICALL Agent_OnLoad_em02t009(JavaVM *jvm, char *options, void *reserved) {
 544     return Agent_Initialize(jvm, options, reserved);
 545 }
 546 JNIEXPORT jint JNICALL Agent_OnAttach_em02t009(JavaVM *jvm, char *options, void *reserved) {
 547     return Agent_Initialize(jvm, options, reserved);
 548 }
 549 JNIEXPORT jint JNI_OnLoad_em02t009(JavaVM *jvm, char *options, void *reserved) {
 550     return JNI_VERSION_1_8;
 551 }
 552 #endif
 553 jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
 554 
 555     if (!NSK_VERIFY(nsk_jvmti_parseOptions(options)))
 556         return JNI_ERR;
 557 
 558     timeout = nsk_jvmti_getWaitTime() * 60 * 1000;
 559 
 560     if (!NSK_VERIFY((jvmti = nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL))
 561         return JNI_ERR;
 562 
 563     if (!NSK_JVMTI_VERIFY(
 564             NSK_CPP_STUB3(CreateRawMonitor, jvmti, "_syncLock", &syncLock))) {
 565         nsk_jvmti_setFailStatus();
 566         return JNI_ERR;
 567     }
 568 
 569     {
 570         jvmtiCapabilities caps;
 571         memset(&caps, 0, sizeof(caps));
 572 
 573         caps.can_generate_method_entry_events = 1;
 574         caps.can_generate_method_exit_events = 1;
 575         if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(AddCapabilities, jvmti, &caps)))
 576             return JNI_ERR;
 577     }
 578 
 579     if (!setCallBacks(1)) {
 580         return JNI_ERR;
 581     }
 582 
 583     if (!enableEventList()) {
 584         return JNI_ERR;
 585     }
 586 
 587     if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, NULL)))
 588         return JNI_ERR;
 589 
 590     return JNI_OK;
 591 }
 592 
 593 /* ============================================================================= */
 594 
 595 


 126                     result = NSK_FALSE;
 127                 }
 128             }
 129         } else {
 130 
 131             if (currentCounts[i] > 0) {
 132                 NSK_COMPLAIN2("Unexpected event %s was sent %d times\n",
 133                                     TranslateEvent(curr),
 134                                     currentCounts[i]);
 135                 result = NSK_FALSE;
 136             }
 137         }
 138     }
 139 
 140     return result;
 141 }
 142 
 143 static void
 144 changeCount(jvmtiEvent event, int *currentCounts) {
 145 
 146     if (!NSK_JVMTI_VERIFY(jvmti->RawMonitorEnter(syncLock)))
 147         nsk_jvmti_setFailStatus();
 148 
 149     currentCounts[event - JVMTI_MIN_EVENT_TYPE_VAL]++;
 150 
 151     if (!NSK_JVMTI_VERIFY(jvmti->RawMonitorExit(syncLock)))
 152         nsk_jvmti_setFailStatus();
 153 
 154 }
 155 
 156 /* ============================================================================= */
 157 
 158 /* callbacks */
 159 JNIEXPORT void JNICALL
 160 cbVMInit(jvmtiEnv* jvmti, JNIEnv* jni_env, jthread thread) {
 161     changeCount(JVMTI_EVENT_VM_INIT, &eventCount[0]);
 162 }
 163 
 164 JNIEXPORT void JNICALL
 165 cbVMDeath(jvmtiEnv* jvmti, JNIEnv* jni_env) {
 166     changeCount(JVMTI_EVENT_VM_DEATH, &newEventCount[0]);
 167     showEventStatistics(STEP_NUMBER);
 168     if (!checkEvents(STEP_NUMBER))
 169         nsk_jvmti_setFailStatus();
 170 
 171     if (!NSK_JVMTI_VERIFY(jvmti->DestroyRawMonitor(syncLock)))

 172         nsk_jvmti_setFailStatus();
 173 
 174 }
 175 
 176 void JNICALL
 177 cbException(jvmtiEnv *jvmti_env, JNIEnv* jni_env, jthread thread,
 178                 jmethodID method, jlocation location, jobject exception,
 179                 jmethodID catch_method, jlocation catch_location) {
 180 
 181     changeCount(JVMTI_EVENT_EXCEPTION, &eventCount[0]);
 182 }
 183 
 184 void JNICALL
 185 cbExceptionCatch(jvmtiEnv *jvmti_env, JNIEnv* jni_env, jthread thread,
 186                 jmethodID method, jlocation location, jobject exception) {
 187 
 188     changeCount(JVMTI_EVENT_EXCEPTION_CATCH, &eventCount[0]);
 189 }
 190 
 191 void JNICALL


 211 cbFieldAccess(jvmtiEnv *jvmti_env, JNIEnv* jni_env, jthread thread,
 212                 jmethodID method, jlocation location, jclass field_klass,
 213                 jobject object, jfieldID field) {
 214     changeCount(JVMTI_EVENT_FIELD_ACCESS, &eventCount[0]);
 215 }
 216 
 217 void JNICALL
 218 cbFieldModification(jvmtiEnv *jvmti_env, JNIEnv* jni_env, jthread thread,
 219                 jmethodID method, jlocation location, jclass field_klass,
 220                 jobject object, jfieldID field, char signature_type,
 221                 jvalue new_value) {
 222     changeCount(JVMTI_EVENT_FIELD_MODIFICATION, &eventCount[0]);
 223 }
 224 
 225 void handler1(jvmtiEnv *jvmti_env, jvmtiEvent event, jmethodID method) {
 226 
 227     char *name;
 228     char *sign;
 229     char *genc;
 230 
 231     if (!NSK_JVMTI_VERIFY(jvmti_env->GetMethodName(method, &name, &sign, &genc))) {


 232         nsk_jvmti_setFailStatus();
 233         return;
 234     }
 235 
 236     if (!strncmp(name,"javaMethod", 8)) {
 237         changeCount(event, &eventCount[0]);
 238     }
 239 
 240     if (!NSK_JVMTI_VERIFY(jvmti_env->Deallocate((unsigned char*)name))) {

 241         nsk_jvmti_setFailStatus();
 242     }
 243     if (!NSK_JVMTI_VERIFY(jvmti_env->Deallocate((unsigned char*)sign))) {

 244         nsk_jvmti_setFailStatus();
 245     }
 246     if (genc != NULL)
 247         if (!NSK_JVMTI_VERIFY(jvmti_env->Deallocate((unsigned char*)genc))) {

 248             nsk_jvmti_setFailStatus();
 249         }
 250 }
 251 
 252 void JNICALL
 253 cbMethodEntry(jvmtiEnv *jvmti_env, JNIEnv* jni_env, jthread thread,
 254                 jmethodID method) {
 255 
 256     handler1(jvmti_env, JVMTI_EVENT_METHOD_ENTRY, method);
 257 }
 258 
 259 void JNICALL
 260 cbMethodExit(jvmtiEnv *jvmti_env, JNIEnv* jni_env, jthread thread,
 261                 jmethodID method, jboolean was_popped_by_exception,
 262                 jvalue return_value) {
 263 
 264     handler1(jvmti_env, JVMTI_EVENT_METHOD_EXIT, method);
 265 }
 266 
 267 void handler2(jvmtiEnv *jvmti_env, jvmtiEvent event, jmethodID method) {
 268 
 269     char *name;
 270     char *sign;
 271     char *genc;
 272 
 273     if (!NSK_JVMTI_VERIFY(jvmti_env->GetMethodName(method, &name, &sign, &genc))) {


 274         nsk_jvmti_setFailStatus();
 275         return;
 276     }
 277 
 278     if (!strncmp(name,"javaMethod", 8)) {
 279         changeCount(event, &newEventCount[0]);
 280     }
 281 
 282     if (!NSK_JVMTI_VERIFY(jvmti_env->Deallocate((unsigned char*)name))) {

 283         nsk_jvmti_setFailStatus();
 284     }
 285     if (!NSK_JVMTI_VERIFY(jvmti_env->Deallocate((unsigned char*)sign))) {

 286         nsk_jvmti_setFailStatus();
 287     }
 288     if (genc != NULL)
 289         if (!NSK_JVMTI_VERIFY(jvmti_env->Deallocate((unsigned char*)genc))) {

 290             nsk_jvmti_setFailStatus();
 291         }
 292 }
 293 
 294 void JNICALL
 295 cbNewMethodEntry(jvmtiEnv *jvmti_env, JNIEnv* jni_env, jthread thread,
 296                 jmethodID method) {
 297 
 298     handler2(jvmti_env, JVMTI_EVENT_METHOD_ENTRY, method);
 299 }
 300 
 301 void JNICALL
 302 cbNewMethodExit(jvmtiEnv *jvmti_env, JNIEnv* jni_env, jthread thread,
 303                 jmethodID method, jboolean was_popped_by_exception,
 304                 jvalue return_value) {
 305 
 306     handler2(jvmti_env, JVMTI_EVENT_METHOD_EXIT, method);
 307 }
 308 
 309 void JNICALL


 367 cbObjectFree(jvmtiEnv *jvmti_env, jlong tag) {
 368 
 369     changeCount(JVMTI_EVENT_OBJECT_FREE, &eventCount[0]);
 370 }
 371 
 372 void JNICALL
 373 cbVMObjectAlloc(jvmtiEnv *jvmti_env, JNIEnv* jni_env, jthread thread,
 374                     jobject object, jclass object_klass, jlong size) {
 375 
 376     changeCount(JVMTI_EVENT_VM_OBJECT_ALLOC, &eventCount[0]);
 377 }
 378 
 379 /* ============================================================================= */
 380 
 381 static int enableEvent(jvmtiEvent event) {
 382 
 383     if (nsk_jvmti_isOptionalEvent(event)
 384             && (event != JVMTI_EVENT_METHOD_ENTRY)
 385             && (event != JVMTI_EVENT_METHOD_EXIT)) {
 386         if (!NSK_JVMTI_VERIFY_CODE(JVMTI_ERROR_MUST_POSSESS_CAPABILITY,
 387                 jvmti->SetEventNotificationMode(JVMTI_ENABLE, event, NULL))) {

 388             NSK_COMPLAIN1("Unexpected error enabling %s\n",
 389                 TranslateEvent(event));
 390             return NSK_FALSE;
 391         }
 392     } else {
 393         if (!NSK_JVMTI_VERIFY(jvmti->SetEventNotificationMode(JVMTI_ENABLE, event, NULL))) {


 394             NSK_COMPLAIN1("Unexpected error enabling %s\n",
 395                 TranslateEvent(event));
 396             return NSK_FALSE;
 397         }
 398     }
 399 
 400     return NSK_TRUE;
 401 }
 402 
 403 /**
 404  * Enable or disable tested events.
 405  */
 406 static int enableEventList() {
 407 
 408     int i, result;
 409 
 410     result = enableEvent(JVMTI_EVENT_VM_INIT);
 411 
 412     result = result && enableEvent(JVMTI_EVENT_VM_DEATH);
 413 


 467             break;
 468 
 469         case 2:
 470             for (i = 0; i < JVMTI_EVENT_COUNT; i++) {
 471                 newEventCount[i] = 0;
 472             }
 473 
 474             eventCallbacks.MethodEntry               = cbNewMethodEntry;
 475             eventCallbacks.MethodExit                = cbNewMethodExit;
 476             break;
 477 
 478         case 3:
 479             for (i = 0; i < JVMTI_EVENT_COUNT; i++) {
 480                 newEventCount[i] = 0;
 481             }
 482 
 483             eventCallbacks.VMDeath                   = cbVMDeath;
 484             break;
 485 
 486     }
 487     if (!NSK_JVMTI_VERIFY(jvmti->SetEventCallbacks(&eventCallbacks, sizeof(eventCallbacks))))



 488         return NSK_FALSE;
 489 
 490     return NSK_TRUE;
 491 }
 492 
 493 /* ============================================================================= */
 494 
 495 /** Agent algorithm. */
 496 static void JNICALL
 497 agentProc(jvmtiEnv* jvmti, JNIEnv* agentJNI, void* arg) {
 498 
 499     int i;
 500 
 501     for (i = 1; i <= STEP_NUMBER; i++) {
 502 
 503         if (!nsk_jvmti_waitForSync(timeout))
 504             return;
 505 
 506         if (i < STEP_NUMBER) {
 507             showEventStatistics(i);


 526 JNIEXPORT jint JNICALL Agent_OnLoad_em02t009(JavaVM *jvm, char *options, void *reserved) {
 527     return Agent_Initialize(jvm, options, reserved);
 528 }
 529 JNIEXPORT jint JNICALL Agent_OnAttach_em02t009(JavaVM *jvm, char *options, void *reserved) {
 530     return Agent_Initialize(jvm, options, reserved);
 531 }
 532 JNIEXPORT jint JNI_OnLoad_em02t009(JavaVM *jvm, char *options, void *reserved) {
 533     return JNI_VERSION_1_8;
 534 }
 535 #endif
 536 jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
 537 
 538     if (!NSK_VERIFY(nsk_jvmti_parseOptions(options)))
 539         return JNI_ERR;
 540 
 541     timeout = nsk_jvmti_getWaitTime() * 60 * 1000;
 542 
 543     if (!NSK_VERIFY((jvmti = nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL))
 544         return JNI_ERR;
 545 
 546     if (!NSK_JVMTI_VERIFY(jvmti->CreateRawMonitor("_syncLock", &syncLock))) {

 547         nsk_jvmti_setFailStatus();
 548         return JNI_ERR;
 549     }
 550 
 551     {
 552         jvmtiCapabilities caps;
 553         memset(&caps, 0, sizeof(caps));
 554 
 555         caps.can_generate_method_entry_events = 1;
 556         caps.can_generate_method_exit_events = 1;
 557         if (!NSK_JVMTI_VERIFY(jvmti->AddCapabilities(&caps)))
 558             return JNI_ERR;
 559     }
 560 
 561     if (!setCallBacks(1)) {
 562         return JNI_ERR;
 563     }
 564 
 565     if (!enableEventList()) {
 566         return JNI_ERR;
 567     }
 568 
 569     if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, NULL)))
 570         return JNI_ERR;
 571 
 572     return JNI_OK;
 573 }
 574 
 575 /* ============================================================================= */
 576 
 577 
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