86 lines
2.6 KiB
C
86 lines
2.6 KiB
C
/*
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* Copyright (c) 1994, 2014, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* Link foreign methods. This first half of this file contains the
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* machine independent dynamic linking routines.
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* See "BUILD_PLATFORM"/java/lang/linker_md.c to see
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* the implementation of this shared dynamic linking
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* interface.
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*
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* NOTE - source in this file is POSIX.1 compliant, host
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* specific code lives in the platform specific
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* code tree.
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*/
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#include "jni.h"
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#include "jni_util.h"
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#include "jvm.h"
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#include "java_lang_Runtime.h"
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JNIEXPORT jlong JNICALL
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Java_java_lang_Runtime_freeMemory(JNIEnv *env, jobject this)
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{
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return JVM_FreeMemory();
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}
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JNIEXPORT jlong JNICALL
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Java_java_lang_Runtime_totalMemory(JNIEnv *env, jobject this)
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{
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return JVM_TotalMemory();
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}
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JNIEXPORT jlong JNICALL
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Java_java_lang_Runtime_maxMemory(JNIEnv *env, jobject this)
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{
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return JVM_MaxMemory();
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}
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JNIEXPORT void JNICALL
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Java_java_lang_Runtime_gc(JNIEnv *env, jobject this)
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{
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JVM_GC();
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}
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JNIEXPORT void JNICALL
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Java_java_lang_Runtime_runFinalization0(JNIEnv *env, jobject this)
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{
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jclass cl;
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jmethodID mid;
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if ((cl = (*env)->FindClass(env, "java/lang/ref/Finalizer"))
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&& (mid = (*env)->GetStaticMethodID(env, cl,
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"runFinalization", "()V"))) {
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(*env)->CallStaticVoidMethod(env, cl, mid);
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}
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}
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JNIEXPORT jint JNICALL
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Java_java_lang_Runtime_availableProcessors(JNIEnv *env, jobject this)
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{
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return JVM_ActiveProcessorCount();
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}
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