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/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <limits.h>
#include <unistd.h>
#include "class_loader.h"
#include "heap.h"
#include "jni_internal.h"
#include "object.h"
#include "runtime.h"
#include "scoped_thread_state_change.h"
#include "ScopedUtfChars.h"
namespace art {
static void Runtime_gc(JNIEnv*, jclass) {
Runtime::Current()->GetHeap()->CollectGarbage(false);
}
static void Runtime_nativeExit(JNIEnv*, jclass, jint status) {
Runtime::Current()->CallExitHook(status);
exit(status);
}
/*
* static String nativeLoad(String filename, ClassLoader loader)
*
* Load the specified full path as a dynamic library filled with
* JNI-compatible methods. Returns null on success, or a failure
* message on failure.
*/
static jstring Runtime_nativeLoad(JNIEnv* env, jclass, jstring javaFilename, jobject javaLoader) {
ScopedObjectAccess soa(env);
ScopedUtfChars filename(env, javaFilename);
if (filename.c_str() == NULL) {
return NULL;
}
ClassLoader* classLoader = soa.Decode<ClassLoader*>(javaLoader);
std::string detail;
JavaVMExt* vm = Runtime::Current()->GetJavaVM();
bool success = vm->LoadNativeLibrary(filename.c_str(), classLoader, detail);
if (success) {
return NULL;
}
return env->NewStringUTF(detail.c_str());
}
static jlong Runtime_maxMemory(JNIEnv*, jclass) {
return Runtime::Current()->GetHeap()->GetMaxMemory();
}
static jlong Runtime_totalMemory(JNIEnv*, jclass) {
return Runtime::Current()->GetHeap()->GetTotalMemory();
}
static jlong Runtime_freeMemory(JNIEnv*, jclass) {
return Runtime::Current()->GetHeap()->GetFreeMemory();
}
static JNINativeMethod gMethods[] = {
NATIVE_METHOD(Runtime, freeMemory, "()J"),
NATIVE_METHOD(Runtime, gc, "()V"),
NATIVE_METHOD(Runtime, maxMemory, "()J"),
NATIVE_METHOD(Runtime, nativeExit, "(I)V"),
NATIVE_METHOD(Runtime, nativeLoad, "(Ljava/lang/String;Ljava/lang/ClassLoader;)Ljava/lang/String;"),
NATIVE_METHOD(Runtime, totalMemory, "()J"),
};
void register_java_lang_Runtime(JNIEnv* env) {
REGISTER_NATIVE_METHODS("java/lang/Runtime");
}
} // namespace art
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