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 #ifndef ANDROID_PROCESS_STATE_H 18 #define ANDROID_PROCESS_STATE_H 19 20 #include <binder/IBinder.h> 21 #include <utils/KeyedVector.h> 22 #include <utils/String8.h> 23 #include <utils/String16.h> 24 25 #include <utils/threads.h> 26 27 // --------------------------------------------------------------------------- 28 namespace android { 29 30 // Global variables 31 extern int mArgC; 32 extern const char* const* mArgV; 33 extern int mArgLen; 34 35 class IPCThreadState; 36 37 class ProcessState : public virtual RefBase 38 { 39 public: 40 static sp<ProcessState> self(); 41 42 void setContextObject(const sp<IBinder>& object); 43 sp<IBinder> getContextObject(const sp<IBinder>& caller); 44 45 void setContextObject(const sp<IBinder>& object, 46 const String16& name); 47 sp<IBinder> getContextObject(const String16& name, 48 const sp<IBinder>& caller); 49 50 void startThreadPool(); 51 52 typedef bool (*context_check_func)(const String16& name, 53 const sp<IBinder>& caller, 54 void* userData); 55 56 bool isContextManager(void) const; 57 bool becomeContextManager( 58 context_check_func checkFunc, 59 void* userData); 60 61 sp<IBinder> getStrongProxyForHandle(int32_t handle); 62 wp<IBinder> getWeakProxyForHandle(int32_t handle); 63 void expungeHandle(int32_t handle, IBinder* binder); 64 65 void setArgs(int argc, const char* const argv[]); 66 int getArgC() const; 67 const char* const* getArgV() const; 68 69 void setArgV0(const char* txt); 70 71 void spawnPooledThread(bool isMain); 72 73 private: 74 friend class IPCThreadState; 75 76 ProcessState(); 77 ~ProcessState(); 78 79 ProcessState(const ProcessState& o); 80 ProcessState& operator=(const ProcessState& o); 81 82 struct handle_entry { 83 IBinder* binder; 84 RefBase::weakref_type* refs; 85 }; 86 87 handle_entry* lookupHandleLocked(int32_t handle); 88 89 int mDriverFD; 90 void* mVMStart; 91 92 mutable Mutex mLock; // protects everything below. 93 94 Vector<handle_entry>mHandleToObject; 95 96 bool mManagesContexts; 97 context_check_func mBinderContextCheckFunc; 98 void* mBinderContextUserData; 99 100 KeyedVector<String16, sp<IBinder> > 101 mContexts; 102 103 104 String8 mRootDir; 105 bool mThreadPoolStarted; 106 volatile int32_t mThreadPoolSeq; 107 }; 108 109 }; // namespace android 110 111 // --------------------------------------------------------------------------- 112 113 #endif // ANDROID_PROCESS_STATE_H 114