128 lines
3.7 KiB
C++
128 lines
3.7 KiB
C++
/*
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* Copyright (C) 2005 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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//
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#ifndef _RUNTIME_ANDROID_RUNTIME_H
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#define _RUNTIME_ANDROID_RUNTIME_H
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#include <utils/Errors.h>
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#include <binder/IBinder.h>
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#include <utils/String8.h>
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#include <utils/String16.h>
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#include <utils/Vector.h>
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#include <utils/threads.h>
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#include <pthread.h>
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#include <nativehelper/jni.h>
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namespace android {
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class AndroidRuntime
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{
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public:
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AndroidRuntime();
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virtual ~AndroidRuntime();
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/**
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* Register a set of methods in the specified class.
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*/
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static int registerNativeMethods(JNIEnv* env,
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const char* className, const JNINativeMethod* gMethods, int numMethods);
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/**
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* Call a static Java function that takes no arguments and returns void.
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*/
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status_t callStatic(const char* className, const char* methodName);
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/**
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* Call a class's static main method with the given arguments,
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*/
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status_t callMain(const char* className, int argc, const char* const argv[]);
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/**
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* Find a class, with the input either of the form
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* "package/class" or "package.class".
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*/
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static jclass findClass(JNIEnv* env, const char* className);
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int addVmArguments(int argc, const char* const argv[]);
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void start(const char *classname, const bool startSystemServer);
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void start(); // start in android.util.RuntimeInit
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static AndroidRuntime* getRuntime();
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/**
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* This gets called after the JavaVM has initialized. Override it
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* with the system's native entry point.
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*/
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virtual void onStarted() = 0;
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/**
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* This gets called after the JavaVM has initialized after a Zygote
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* fork. Override it to initialize threads, etc. Upon return, the
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* correct static main will be invoked.
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*/
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virtual void onZygoteInit() {};
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/**
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* Called when the Java application exits. The default
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* implementation calls exit(code).
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*/
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virtual void onExit(int code);
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/** create a new thread that is visible from Java */
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static android_thread_id_t createJavaThread(const char* name, void (*start)(void *),
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void* arg);
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/** return a pointer to the VM running in this process */
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static JavaVM* getJavaVM() { return mJavaVM; }
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/** return a pointer to the JNIEnv pointer for this thread */
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static JNIEnv* getJNIEnv();
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private:
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static int startReg(JNIEnv* env);
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void parseExtraOpts(char* extraOptsBuf);
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int startVm(JavaVM** pJavaVM, JNIEnv** pEnv);
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Vector<JavaVMOption> mOptions;
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/* JNI JavaVM pointer */
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static JavaVM* mJavaVM;
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/*
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* Thread creation helpers.
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*/
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static int javaCreateThreadEtc(
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android_thread_func_t entryFunction,
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void* userData,
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const char* threadName,
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int32_t threadPriority,
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size_t threadStackSize,
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android_thread_id_t* threadId);
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static int javaThreadShell(void* args);
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};
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// Returns the Unix file descriptor for a ParcelFileDescriptor object
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extern int getParcelFileDescriptorFD(JNIEnv* env, jobject object);
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}
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#endif
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