J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1994-2000 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any 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 | |
| 44 | JNIEXPORT jlong JNICALL |
| 45 | Java_java_lang_Runtime_freeMemory(JNIEnv *env, jobject this) |
| 46 | { |
| 47 | return JVM_FreeMemory(); |
| 48 | } |
| 49 | |
| 50 | JNIEXPORT jlong JNICALL |
| 51 | Java_java_lang_Runtime_totalMemory(JNIEnv *env, jobject this) |
| 52 | { |
| 53 | return JVM_TotalMemory(); |
| 54 | } |
| 55 | |
| 56 | JNIEXPORT jlong JNICALL |
| 57 | Java_java_lang_Runtime_maxMemory(JNIEnv *env, jobject this) |
| 58 | { |
| 59 | return JVM_MaxMemory(); |
| 60 | } |
| 61 | |
| 62 | JNIEXPORT void JNICALL |
| 63 | Java_java_lang_Runtime_gc(JNIEnv *env, jobject this) |
| 64 | { |
| 65 | JVM_GC(); |
| 66 | } |
| 67 | |
| 68 | JNIEXPORT void JNICALL |
| 69 | Java_java_lang_Runtime_traceInstructions(JNIEnv *env, jobject this, jboolean on) |
| 70 | { |
| 71 | JVM_TraceInstructions(on); |
| 72 | } |
| 73 | |
| 74 | JNIEXPORT void JNICALL |
| 75 | Java_java_lang_Runtime_traceMethodCalls(JNIEnv *env, jobject this, jboolean on) |
| 76 | { |
| 77 | JVM_TraceMethodCalls(on); |
| 78 | } |
| 79 | |
| 80 | JNIEXPORT void JNICALL |
| 81 | Java_java_lang_Runtime_runFinalization0(JNIEnv *env, jobject this) |
| 82 | { |
| 83 | jclass cl; |
| 84 | jmethodID mid; |
| 85 | |
| 86 | if ((cl = (*env)->FindClass(env, "java/lang/ref/Finalizer")) |
| 87 | && (mid = (*env)->GetStaticMethodID(env, cl, |
| 88 | "runFinalization", "()V"))) { |
| 89 | (*env)->CallStaticVoidMethod(env, cl, mid); |
| 90 | } |
| 91 | } |
| 92 | |
| 93 | JNIEXPORT jint JNICALL |
| 94 | Java_java_lang_Runtime_availableProcessors(JNIEnv *env, jobject this) |
| 95 | { |
| 96 | return JVM_ActiveProcessorCount(); |
| 97 | } |