1/* 2 * Copyright (c) 1994, 2000, 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 <nativehelper/JNIHelp.h> 43 44#include "nativehelper/jni_macros.h" 45 46JNIEXPORT jlong JNICALL 47Runtime_freeMemory(JNIEnv *env, jobject this) 48{ 49 return JVM_FreeMemory(); 50} 51 52JNIEXPORT jlong JNICALL 53Runtime_totalMemory(JNIEnv *env, jobject this) 54{ 55 return JVM_TotalMemory(); 56} 57 58JNIEXPORT jlong JNICALL 59Runtime_maxMemory(JNIEnv *env, jobject this) 60{ 61 return JVM_MaxMemory(); 62} 63 64JNIEXPORT void JNICALL 65Runtime_gc(JNIEnv *env, jobject this) 66{ 67 JVM_GC(); 68} 69 70JNIEXPORT void JNICALL 71Runtime_nativeExit(JNIEnv *env, jclass this, jint status) 72{ 73 JVM_Exit(status); 74} 75 76JNIEXPORT jstring JNICALL 77Runtime_nativeLoad(JNIEnv* env, jclass ignored, jstring javaFilename, 78 jobject javaLoader) 79{ 80 return JVM_NativeLoad(env, javaFilename, javaLoader); 81} 82 83static JNINativeMethod gMethods[] = { 84 FAST_NATIVE_METHOD(Runtime, freeMemory, "()J"), 85 FAST_NATIVE_METHOD(Runtime, totalMemory, "()J"), 86 FAST_NATIVE_METHOD(Runtime, maxMemory, "()J"), 87 NATIVE_METHOD(Runtime, gc, "()V"), 88 NATIVE_METHOD(Runtime, nativeExit, "(I)V"), 89 NATIVE_METHOD(Runtime, nativeLoad, 90 "(Ljava/lang/String;Ljava/lang/ClassLoader;)" 91 "Ljava/lang/String;"), 92}; 93 94void register_java_lang_Runtime(JNIEnv* env) { 95 jniRegisterNativeMethods(env, "java/lang/Runtime", gMethods, NELEM(gMethods)); 96} 97