The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2005 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | // |
| 18 | |
| 19 | #ifndef _RUNTIME_ANDROID_RUNTIME_H |
| 20 | #define _RUNTIME_ANDROID_RUNTIME_H |
| 21 | |
| 22 | #include <utils/Errors.h> |
| 23 | #include <utils/IBinder.h> |
| 24 | #include <utils/String8.h> |
| 25 | #include <utils/String16.h> |
| 26 | #include <utils/Vector.h> |
| 27 | #include <utils/threads.h> |
| 28 | #include <pthread.h> |
| 29 | #include <nativehelper/jni.h> |
| 30 | |
| 31 | |
| 32 | namespace android { |
| 33 | |
| 34 | class AndroidRuntime |
| 35 | { |
| 36 | public: |
| 37 | AndroidRuntime(); |
| 38 | virtual ~AndroidRuntime(); |
| 39 | |
| 40 | /** |
| 41 | * Register a set of methods in the specified class. |
| 42 | */ |
| 43 | static int registerNativeMethods(JNIEnv* env, |
| 44 | const char* className, const JNINativeMethod* gMethods, int numMethods); |
| 45 | |
| 46 | /** |
| 47 | * Call a static Java function that takes no arguments and returns void. |
| 48 | */ |
| 49 | status_t callStatic(const char* className, const char* methodName); |
| 50 | |
| 51 | /** |
| 52 | * Call a class's static main method with the given arguments, |
| 53 | */ |
| 54 | status_t callMain(const char* className, int argc, const char* const argv[]); |
| 55 | |
| 56 | /** |
| 57 | * Find a class, with the input either of the form |
| 58 | * "package/class" or "package.class". |
| 59 | */ |
| 60 | static jclass findClass(JNIEnv* env, const char* className); |
| 61 | |
| 62 | int addVmArguments(int argc, const char* const argv[]); |
| 63 | |
| 64 | void start(const char *classname, const bool startSystemServer); |
| 65 | void start(); // start in android.util.RuntimeInit |
| 66 | |
| 67 | static AndroidRuntime* getRuntime(); |
| 68 | |
| 69 | /** |
| 70 | * This gets called after the JavaVM has initialized. Override it |
| 71 | * with the system's native entry point. |
| 72 | */ |
| 73 | virtual void onStarted() = 0; |
| 74 | |
| 75 | /** |
| 76 | * This gets called after the JavaVM has initialized after a Zygote |
| 77 | * fork. Override it to initialize threads, etc. Upon return, the |
| 78 | * correct static main will be invoked. |
| 79 | */ |
| 80 | virtual void onZygoteInit() {}; |
| 81 | |
| 82 | |
| 83 | /** |
| 84 | * Called when the Java application exits. The default |
| 85 | * implementation calls exit(code). |
| 86 | */ |
| 87 | virtual void onExit(int code); |
| 88 | |
| 89 | /** create a new thread that is visible from Java */ |
| 90 | static void createJavaThread(const char* name, void (*start)(void *), |
| 91 | void* arg); |
| 92 | |
| 93 | /** return a pointer to the VM running in this process */ |
| 94 | static JavaVM* getJavaVM() { return mJavaVM; } |
| 95 | |
| 96 | /** return a pointer to the JNIEnv pointer for this thread */ |
| 97 | static JNIEnv* getJNIEnv(); |
| 98 | |
| 99 | private: |
| 100 | static int startReg(JNIEnv* env); |
Andy McFadden | f70188a | 2009-03-31 15:52:13 -0700 | [diff] [blame] | 101 | int startVm(JavaVM** pJavaVM, JNIEnv** pEnv); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 102 | |
| 103 | Vector<JavaVMOption> mOptions; |
| 104 | |
| 105 | /* JNI JavaVM pointer */ |
| 106 | static JavaVM* mJavaVM; |
| 107 | |
| 108 | /* |
| 109 | * Thread creation helpers. |
| 110 | */ |
| 111 | static int javaCreateThreadEtc( |
| 112 | android_thread_func_t entryFunction, |
| 113 | void* userData, |
| 114 | const char* threadName, |
| 115 | int32_t threadPriority, |
| 116 | size_t threadStackSize, |
| 117 | android_thread_id_t* threadId); |
| 118 | static int javaThreadShell(void* args); |
| 119 | }; |
| 120 | |
| 121 | // Returns the Unix file descriptor for a ParcelFileDescriptor object |
| 122 | extern int getParcelFileDescriptorFD(JNIEnv* env, jobject object); |
| 123 | |
| 124 | } |
| 125 | |
| 126 | #endif |