1/*
2 * Copyright (c) 2003, 2004, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26#include <jni.h>
27#include "management.h"
28#include "sun_management_MemoryPoolImpl.h"
29
30JNIEXPORT jobject JNICALL
31Java_sun_management_MemoryPoolImpl_getMemoryManagers0
32 (JNIEnv *env, jobject pool)
33{
34 jobject mgrs = jmm_interface->GetMemoryManagers(env, pool);
35 if (mgrs == NULL) {
36 // Throw internal error since this implementation expects the
37 // pool will never become invalid.
38 JNU_ThrowInternalError(env, "Memory Pool not found");
39 }
40 return mgrs;
41}
42
43JNIEXPORT jobject JNICALL
44Java_sun_management_MemoryPoolImpl_getUsage0
45 (JNIEnv *env, jobject pool)
46{
47 jobject usage = jmm_interface->GetMemoryPoolUsage(env, pool);
48 if (usage == NULL) {
49 // Throw internal error since this implementation expects the
50 // pool will never become invalid.
51 JNU_ThrowInternalError(env, "Memory Pool not found");
52 }
53 return usage;
54}
55
56JNIEXPORT jobject JNICALL
57Java_sun_management_MemoryPoolImpl_getPeakUsage0
58 (JNIEnv *env, jobject pool)
59{
60 jobject usage = jmm_interface->GetPeakMemoryPoolUsage(env, pool);
61 if (usage == NULL) {
62 // Throw internal error since this implementation expects the
63 // pool will never become invalid.
64 JNU_ThrowInternalError(env, "Memory Pool not found");
65 }
66 return usage;
67}
68
69JNIEXPORT void JNICALL
70Java_sun_management_MemoryPoolImpl_setUsageThreshold0
71 (JNIEnv *env, jobject pool, jlong current, jlong newThreshold)
72{
73 // Set both high and low threshold to the same threshold
74 if (newThreshold > current) {
75 // high threshold has to be set first so that high >= low
76 jmm_interface->SetPoolThreshold(env, pool,
77 JMM_USAGE_THRESHOLD_HIGH, newThreshold);
78 jmm_interface->SetPoolThreshold(env, pool,
79 JMM_USAGE_THRESHOLD_LOW, newThreshold);
80 } else {
81 // low threshold has to be set first so that high >= low
82 jmm_interface->SetPoolThreshold(env, pool,
83 JMM_USAGE_THRESHOLD_LOW, newThreshold);
84 jmm_interface->SetPoolThreshold(env, pool,
85 JMM_USAGE_THRESHOLD_HIGH, newThreshold);
86 }
87}
88
89JNIEXPORT void JNICALL
90Java_sun_management_MemoryPoolImpl_setCollectionThreshold0
91 (JNIEnv *env, jobject pool, jlong current, jlong newThreshold)
92{
93 // Set both high and low threshold to the same threshold
94 if (newThreshold > current) {
95 // high threshold has to be set first so that high >= low
96 jmm_interface->SetPoolThreshold(env, pool,
97 JMM_COLLECTION_USAGE_THRESHOLD_HIGH,
98 newThreshold);
99 jmm_interface->SetPoolThreshold(env, pool,
100 JMM_COLLECTION_USAGE_THRESHOLD_LOW,
101 newThreshold);
102 } else {
103 // low threshold has to be set first so that high >= low
104 jmm_interface->SetPoolThreshold(env, pool,
105 JMM_COLLECTION_USAGE_THRESHOLD_LOW,
106 newThreshold);
107 jmm_interface->SetPoolThreshold(env, pool,
108 JMM_COLLECTION_USAGE_THRESHOLD_HIGH,
109 newThreshold);
110 }
111}
112
113JNIEXPORT void JNICALL
114Java_sun_management_MemoryPoolImpl_resetPeakUsage0
115 (JNIEnv *env, jobject pool)
116{
117 jvalue value;
118 value.l = pool;
119 jmm_interface->ResetStatistic(env, value, JMM_STAT_PEAK_POOL_USAGE);
120}
121
122JNIEXPORT void JNICALL
123Java_sun_management_MemoryPoolImpl_setPoolUsageSensor
124 (JNIEnv *env, jobject pool, jobject sensor)
125{
126 jmm_interface->SetPoolSensor(env, pool,
127 JMM_USAGE_THRESHOLD_HIGH, sensor);
128}
129
130JNIEXPORT void JNICALL
131Java_sun_management_MemoryPoolImpl_setPoolCollectionSensor
132 (JNIEnv *env, jobject pool, jobject sensor)
133{
134 jmm_interface->SetPoolSensor(env, pool,
135 JMM_COLLECTION_USAGE_THRESHOLD_HIGH, sensor);
136}
137
138JNIEXPORT jobject JNICALL
139Java_sun_management_MemoryPoolImpl_getCollectionUsage0
140 (JNIEnv *env, jobject pool)
141{
142 return jmm_interface->GetPoolCollectionUsage(env, pool);
143}
144