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

rev 52432 : 8213501: Deploy ExceptionJniWrapper for a few tests
Summary:
Reviewed-by:

*** 35,76 ****
   * Method:    criticalNative
   * Signature: ([Z)Z
   */
  JNIEXPORT jchar JNICALL Java_nsk_share_gc_lock_jni_StringCriticalLocker_criticalNative
  (JNIEnv *jni_env, jobject o, jlong enterTime, jlong sleepTime) {
!         ExceptionCheckingJniEnvPtr env(jni_env);
  
          jsize size, i;
          jstring str;
          const jchar *pa;
          jchar hash = 0;
          time_t start_time, current_time;
  
          if (objFieldId == NULL) {
!                 jclass klass = env->GetObjectClass(o);
!                 objFieldId = env->GetFieldID(klass, "obj", "Ljava/lang/Object;");
          }
!         str = (jstring) env->GetObjectField(o, objFieldId);
!         env->SetObjectField(o, objFieldId, NULL);
  
!         size = env->GetStringLength(str);
          start_time = time(NULL);
          enterTime /= 1000;
          current_time = 0;
          while (current_time - start_time < enterTime) {
!                 pa = env->GetStringCritical(str, NULL);
                  if (pa != NULL) {
                          for (i = 0; i < size; ++i)
                                  hash ^= pa[i];
                  } else {
                          hash = JNI_FALSE;
                  }
                  mssleep((long) sleepTime);
!                 env->ReleaseStringCritical(str, pa);
                  mssleep((long) sleepTime);
                  current_time = time(NULL);
          }
!         env->SetObjectField(o, objFieldId, str);
          return hash;
  }
  
  }
--- 35,76 ----
   * Method:    criticalNative
   * Signature: ([Z)Z
   */
  JNIEXPORT jchar JNICALL Java_nsk_share_gc_lock_jni_StringCriticalLocker_criticalNative
  (JNIEnv *jni_env, jobject o, jlong enterTime, jlong sleepTime) {
!         ExceptionCheckingJniEnvPtr jni(jni_env);
  
          jsize size, i;
          jstring str;
          const jchar *pa;
          jchar hash = 0;
          time_t start_time, current_time;
  
          if (objFieldId == NULL) {
!                 jclass klass = jni->GetObjectClass(o, TRACE_JNI_CALL);
!                 objFieldId = jni->GetFieldID(klass, "obj", "Ljava/lang/Object;", TRACE_JNI_CALL);
          }
!         str = (jstring) jni->GetObjectField(o, objFieldId, TRACE_JNI_CALL);
!         jni->SetObjectField(o, objFieldId, NULL, TRACE_JNI_CALL);
  
!         size = jni->GetStringLength(str, TRACE_JNI_CALL);
          start_time = time(NULL);
          enterTime /= 1000;
          current_time = 0;
          while (current_time - start_time < enterTime) {
!                 pa = jni->GetStringCritical(str, NULL, TRACE_JNI_CALL);
                  if (pa != NULL) {
                          for (i = 0; i < size; ++i)
                                  hash ^= pa[i];
                  } else {
                          hash = JNI_FALSE;
                  }
                  mssleep((long) sleepTime);
!                 jni->ReleaseStringCritical(str, pa, TRACE_JNI_CALL);
                  mssleep((long) sleepTime);
                  current_time = time(NULL);
          }
!         jni->SetObjectField(o, objFieldId, str, TRACE_JNI_CALL);
          return hash;
  }
  
  }