IPCThreadState.h revision 702ea9d42f52fc145090c0f0bfbe64993e4b8b33
1edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project/* 2edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * Copyright (C) 2005 The Android Open Source Project 3edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * 4edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 5edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * you may not use this file except in compliance with the License. 6edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * You may obtain a copy of the License at 7edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * 8edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 9edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * 10edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 11edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 12edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * See the License for the specific language governing permissions and 14edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * limitations under the License. 15edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project */ 16edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 17edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#ifndef ANDROID_IPC_THREAD_STATE_H 18edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define ANDROID_IPC_THREAD_STATE_H 19edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 20edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <utils/Errors.h> 21c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/Parcel.h> 22c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/ProcessState.h> 23edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <utils/Vector.h> 24edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 25edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#ifdef HAVE_WIN32_PROC 26edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projecttypedef int uid_t; 27edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 28edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 29edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// --------------------------------------------------------------------------- 30edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectnamespace android { 31edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 32edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectclass IPCThreadState 33edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 34edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectpublic: 35edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project static IPCThreadState* self(); 36edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 37edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project sp<ProcessState> process(); 38edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 39edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t clearLastError(); 40edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 41edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int getCallingPid(); 42edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int getCallingUid(); 43702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick 44702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick void setStrictModePolicy(int32_t policy); 45702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick int32_t getStrictModePolicy() const; 46edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 47edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int64_t clearCallingIdentity(); 48edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void restoreCallingIdentity(int64_t token); 49edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 50edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void flushCommands(); 51edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 52edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void joinThreadPool(bool isMain = true); 53edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 54edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // Stop the local process. 55edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void stopProcess(bool immediate = true); 56edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 57edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t transact(int32_t handle, 58edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project uint32_t code, const Parcel& data, 59edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Parcel* reply, uint32_t flags); 60edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 61edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void incStrongHandle(int32_t handle); 62edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void decStrongHandle(int32_t handle); 63edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void incWeakHandle(int32_t handle); 64edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void decWeakHandle(int32_t handle); 65edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t attemptIncStrongHandle(int32_t handle); 66edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project static void expungeHandle(int32_t handle, IBinder* binder); 67edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t requestDeathNotification( int32_t handle, 68edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project BpBinder* proxy); 69edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t clearDeathNotification( int32_t handle, 70edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project BpBinder* proxy); 71edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 72edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project static void shutdown(); 73edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 748c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn // Call this to disable switching threads to background scheduling when 758c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn // receiving incoming IPC calls. This is specifically here for the 768c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn // Android system process, since it expects to have background apps calling 778c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn // in to it but doesn't want to acquire locks in its services while in 788c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn // the background. 798c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn static void disableBackgroundScheduling(bool disable); 808c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn 81edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectprivate: 82edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IPCThreadState(); 83edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project ~IPCThreadState(); 84edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 85edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t sendReply(const Parcel& reply, uint32_t flags); 86edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t waitForResponse(Parcel *reply, 87edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t *acquireResult=NULL); 88edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t talkWithDriver(bool doReceive=true); 89edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t writeTransactionData(int32_t cmd, 90edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project uint32_t binderFlags, 91edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int32_t handle, 92edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project uint32_t code, 93edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const Parcel& data, 94edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t* statusBuffer); 95edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t executeCommand(int32_t command); 96edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 97edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void clearCaller(); 98edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 99edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project static void threadDestructor(void *st); 100edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project static void freeBuffer(Parcel* parcel, 101edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const uint8_t* data, size_t dataSize, 102edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const size_t* objects, size_t objectsSize, 103edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void* cookie); 104edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 105edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const sp<ProcessState> mProcess; 1068c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn const pid_t mMyThreadId; 107edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Vector<BBinder*> mPendingStrongDerefs; 108edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Vector<RefBase::weakref_type*> mPendingWeakDerefs; 1098c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn 110edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Parcel mIn; 111edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Parcel mOut; 112edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t mLastError; 113edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project pid_t mCallingPid; 114edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project uid_t mCallingUid; 115702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick int32_t mStrictModePolicy; 116edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; 117702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick 118edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; // namespace android 119edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 120edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// --------------------------------------------------------------------------- 121edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 122edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif // ANDROID_IPC_THREAD_STATE_H 123