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test/hotspot/jtreg/vmTestbase/nsk/share/gc/lock/jni/DoubleArrayCriticalLocker.cpp

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rev 52432 : 8213501: Deploy ExceptionJniWrapper for a few tests
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  29 extern "C" {
  30 
  31 static jfieldID objFieldId = NULL;
  32 
  33 /*
  34  * Class:     nsk_share_gc_lock_jni_DoubleArrayCriticalLocker
  35  * Method:    criticalNative
  36  * Signature: ([Z)Z
  37  */
  38 JNIEXPORT jdouble JNICALL Java_nsk_share_gc_lock_jni_DoubleArrayCriticalLocker_criticalNative
  39 (JNIEnv *jni_env, jobject o, jlong enterTime, jlong sleepTime) {
  40         ExceptionCheckingJniEnvPtr env(jni_env);
  41 
  42         jsize size, i;
  43         jdoubleArray arr;
  44         jdouble *pa;
  45         jdouble hash = 0;
  46         time_t start_time, current_time;
  47 
  48         if (objFieldId == NULL) {
  49                 jclass klass = env->GetObjectClass(o);
  50                 objFieldId = env->GetFieldID(klass, "obj", "Ljava/lang/Object;");
  51         }
  52         arr = (jdoubleArray) env->GetObjectField(o, objFieldId);
  53         env->SetObjectField(o, objFieldId, NULL);
  54 
  55         size = env->GetArrayLength(arr);
  56         start_time = time(NULL);
  57         enterTime /= 1000;
  58         current_time = 0;
  59         while (current_time - start_time < enterTime) {
  60                 pa = (jdouble*) env->GetPrimitiveArrayCritical(arr, NULL);
  61                 if (pa != NULL) {
  62                         for (i = 0; i < size; ++i)
  63                                 hash += pa[i];
  64                 } else {
  65                         hash = 0;
  66                 }
  67                 mssleep((long) sleepTime);
  68                 env->ReleasePrimitiveArrayCritical(arr, pa, 0);
  69                 mssleep((long) sleepTime);
  70                 current_time = time(NULL);
  71         }
  72         env->SetObjectField(o, objFieldId, arr);
  73         return hash;
  74 }
  75 
  76 }


  29 extern "C" {
  30 
  31 static jfieldID objFieldId = NULL;
  32 
  33 /*
  34  * Class:     nsk_share_gc_lock_jni_DoubleArrayCriticalLocker
  35  * Method:    criticalNative
  36  * Signature: ([Z)Z
  37  */
  38 JNIEXPORT jdouble JNICALL Java_nsk_share_gc_lock_jni_DoubleArrayCriticalLocker_criticalNative
  39 (JNIEnv *jni_env, jobject o, jlong enterTime, jlong sleepTime) {
  40         ExceptionCheckingJniEnvPtr env(jni_env);
  41 
  42         jsize size, i;
  43         jdoubleArray arr;
  44         jdouble *pa;
  45         jdouble hash = 0;
  46         time_t start_time, current_time;
  47 
  48         if (objFieldId == NULL) {
  49                 jclass klass = env->GetObjectClass(o, TRACE_JNI_CALL);
  50                 objFieldId = env->GetFieldID(klass, "obj", "Ljava/lang/Object;", TRACE_JNI_CALL);
  51         }
  52         arr = (jdoubleArray) env->GetObjectField(o, objFieldId, TRACE_JNI_CALL);
  53         env->SetObjectField(o, objFieldId, NULL, TRACE_JNI_CALL);
  54 
  55         size = env->GetArrayLength(arr, TRACE_JNI_CALL);
  56         start_time = time(NULL);
  57         enterTime /= 1000;
  58         current_time = 0;
  59         while (current_time - start_time < enterTime) {
  60                 pa = (jdouble*) env->GetPrimitiveArrayCritical(arr, NULL, TRACE_JNI_CALL);
  61                 if (pa != NULL) {
  62                         for (i = 0; i < size; ++i)
  63                                 hash += pa[i];
  64                 } else {
  65                         hash = 0;
  66                 }
  67                 mssleep((long) sleepTime);
  68                 env->ReleasePrimitiveArrayCritical(arr, pa, 0, TRACE_JNI_CALL);
  69                 mssleep((long) sleepTime);
  70                 current_time = time(NULL);
  71         }
  72         env->SetObjectField(o, objFieldId, arr, TRACE_JNI_CALL);
  73         return hash;
  74 }
  75 
  76 }
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