1/*
2 * Copyright (c) 1994, 2018, 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/*
27 * Link foreign methods. This first half of this file contains the
28 * machine independent dynamic linking routines.
29 * See "BUILD_PLATFORM"/java/lang/linker_md.c to see
30 * the implementation of this shared dynamic linking
31 * interface.
32 *
33 * NOTE - source in this file is POSIX.1 compliant, host
34 * specific code lives in the platform specific
35 * code tree.
36 */
37
38#include "jni.h"
39#include "jni_util.h"
40#include "jvm.h"
41
42#include "java_lang_Runtime.h"
43
44JNIEXPORT jlong JNICALL
45Java_java_lang_Runtime_freeMemory(JNIEnv *env, jobject this)
46{
47 return JVM_FreeMemory();
48}
49
50JNIEXPORT jlong JNICALL
51Java_java_lang_Runtime_totalMemory(JNIEnv *env, jobject this)
52{
53 return JVM_TotalMemory();
54}
55
56JNIEXPORT jlong JNICALL
57Java_java_lang_Runtime_maxMemory(JNIEnv *env, jobject this)
58{
59 return JVM_MaxMemory();
60}
61
62JNIEXPORT void JNICALL
63Java_java_lang_Runtime_gc(JNIEnv *env, jobject this)
64{
65 JVM_GC();
66}
67
68JNIEXPORT jint JNICALL
69Java_java_lang_Runtime_availableProcessors(JNIEnv *env, jobject this)
70{
71 return JVM_ActiveProcessorCount();
72}
73