/*
* 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);
}