| /* |
| * Copyright (c) 2003, 2004, 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * 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 <jni.h> |
| #include "management.h" |
| #include "sun_management_MemoryPoolImpl.h" |
| |
| JNIEXPORT jobject JNICALL |
| Java_sun_management_MemoryPoolImpl_getMemoryManagers0 |
| (JNIEnv *env, jobject pool) |
| { |
| jobject mgrs = jmm_interface->GetMemoryManagers(env, pool); |
| if (mgrs == NULL) { |
| // Throw internal error since this implementation expects the |
| // pool will never become invalid. |
| JNU_ThrowInternalError(env, "Memory Pool not found"); |
| } |
| return mgrs; |
| } |
| |
| JNIEXPORT jobject JNICALL |
| Java_sun_management_MemoryPoolImpl_getUsage0 |
| (JNIEnv *env, jobject pool) |
| { |
| jobject usage = jmm_interface->GetMemoryPoolUsage(env, pool); |
| if (usage == NULL) { |
| // Throw internal error since this implementation expects the |
| // pool will never become invalid. |
| JNU_ThrowInternalError(env, "Memory Pool not found"); |
| } |
| return usage; |
| } |
| |
| JNIEXPORT jobject JNICALL |
| Java_sun_management_MemoryPoolImpl_getPeakUsage0 |
| (JNIEnv *env, jobject pool) |
| { |
| jobject usage = jmm_interface->GetPeakMemoryPoolUsage(env, pool); |
| if (usage == NULL) { |
| // Throw internal error since this implementation expects the |
| // pool will never become invalid. |
| JNU_ThrowInternalError(env, "Memory Pool not found"); |
| } |
| return usage; |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_sun_management_MemoryPoolImpl_setUsageThreshold0 |
| (JNIEnv *env, jobject pool, jlong current, jlong newThreshold) |
| { |
| // Set both high and low threshold to the same threshold |
| if (newThreshold > current) { |
| // high threshold has to be set first so that high >= low |
| jmm_interface->SetPoolThreshold(env, pool, |
| JMM_USAGE_THRESHOLD_HIGH, newThreshold); |
| jmm_interface->SetPoolThreshold(env, pool, |
| JMM_USAGE_THRESHOLD_LOW, newThreshold); |
| } else { |
| // low threshold has to be set first so that high >= low |
| jmm_interface->SetPoolThreshold(env, pool, |
| JMM_USAGE_THRESHOLD_LOW, newThreshold); |
| jmm_interface->SetPoolThreshold(env, pool, |
| JMM_USAGE_THRESHOLD_HIGH, newThreshold); |
| } |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_sun_management_MemoryPoolImpl_setCollectionThreshold0 |
| (JNIEnv *env, jobject pool, jlong current, jlong newThreshold) |
| { |
| // Set both high and low threshold to the same threshold |
| if (newThreshold > current) { |
| // high threshold has to be set first so that high >= low |
| jmm_interface->SetPoolThreshold(env, pool, |
| JMM_COLLECTION_USAGE_THRESHOLD_HIGH, |
| newThreshold); |
| jmm_interface->SetPoolThreshold(env, pool, |
| JMM_COLLECTION_USAGE_THRESHOLD_LOW, |
| newThreshold); |
| } else { |
| // low threshold has to be set first so that high >= low |
| jmm_interface->SetPoolThreshold(env, pool, |
| JMM_COLLECTION_USAGE_THRESHOLD_LOW, |
| newThreshold); |
| jmm_interface->SetPoolThreshold(env, pool, |
| JMM_COLLECTION_USAGE_THRESHOLD_HIGH, |
| newThreshold); |
| } |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_sun_management_MemoryPoolImpl_resetPeakUsage0 |
| (JNIEnv *env, jobject pool) |
| { |
| jvalue value; |
| value.l = pool; |
| jmm_interface->ResetStatistic(env, value, JMM_STAT_PEAK_POOL_USAGE); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_sun_management_MemoryPoolImpl_setPoolUsageSensor |
| (JNIEnv *env, jobject pool, jobject sensor) |
| { |
| jmm_interface->SetPoolSensor(env, pool, |
| JMM_USAGE_THRESHOLD_HIGH, sensor); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_sun_management_MemoryPoolImpl_setPoolCollectionSensor |
| (JNIEnv *env, jobject pool, jobject sensor) |
| { |
| jmm_interface->SetPoolSensor(env, pool, |
| JMM_COLLECTION_USAGE_THRESHOLD_HIGH, sensor); |
| } |
| |
| JNIEXPORT jobject JNICALL |
| Java_sun_management_MemoryPoolImpl_getCollectionUsage0 |
| (JNIEnv *env, jobject pool) |
| { |
| return jmm_interface->GetPoolCollectionUsage(env, pool); |
| } |