ProcessState.h revision 55d871cc09b7493e2b7e5705ea9774fd5f4c626c
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_PROCESS_STATE_H 18edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define ANDROID_PROCESS_STATE_H 19edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 20c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/IBinder.h> 21edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <utils/KeyedVector.h> 22edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <utils/String8.h> 23edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <utils/String16.h> 24edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 25edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <utils/threads.h> 26edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 27376b822728c582a9deb26ce339deb5204ae4d22eWale Ogunwale#include <pthread.h> 28376b822728c582a9deb26ce339deb5204ae4d22eWale Ogunwale 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 Projectclass ProcessState : public virtual RefBase 35edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 36edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectpublic: 37edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project static sp<ProcessState> self(); 3855d871cc09b7493e2b7e5705ea9774fd5f4c626cMartijn Coenen /* initWithDriver() can be used to configure libbinder to use 3955d871cc09b7493e2b7e5705ea9774fd5f4c626cMartijn Coenen * a different binder driver dev node. It must be called *before* 4055d871cc09b7493e2b7e5705ea9774fd5f4c626cMartijn Coenen * any call to ProcessState::self(). /dev/binder remains the default. 4155d871cc09b7493e2b7e5705ea9774fd5f4c626cMartijn Coenen */ 4255d871cc09b7493e2b7e5705ea9774fd5f4c626cMartijn Coenen static sp<ProcessState> initWithDriver(const char *driver); 43edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 44edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void setContextObject(const sp<IBinder>& object); 45edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project sp<IBinder> getContextObject(const sp<IBinder>& caller); 46edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 47edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void setContextObject(const sp<IBinder>& object, 48edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const String16& name); 49edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project sp<IBinder> getContextObject(const String16& name, 50edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const sp<IBinder>& caller); 51edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 52edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void startThreadPool(); 53edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 54edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project typedef bool (*context_check_func)(const String16& name, 55edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const sp<IBinder>& caller, 56edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void* userData); 57edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 58edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bool isContextManager(void) const; 59edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bool becomeContextManager( 60edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project context_check_func checkFunc, 61edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void* userData); 62edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 63edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project sp<IBinder> getStrongProxyForHandle(int32_t handle); 64edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project wp<IBinder> getWeakProxyForHandle(int32_t handle); 65edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void expungeHandle(int32_t handle, IBinder* binder); 66edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 67edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void spawnPooledThread(bool isMain); 68edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 691b80f793d2328dd94a151411a1cc3a676121ffc7Mathias Agopian status_t setThreadPoolMaxThreadCount(size_t maxThreads); 70e3e43b384e0603e5883b501cdb169641fab8fea2Mathias Agopian void giveThreadPoolName(); 711b80f793d2328dd94a151411a1cc3a676121ffc7Mathias Agopian 72edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectprivate: 73edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project friend class IPCThreadState; 74edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 7555d871cc09b7493e2b7e5705ea9774fd5f4c626cMartijn Coenen ProcessState(const char* driver); 76edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project ~ProcessState(); 77edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 78edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project ProcessState(const ProcessState& o); 79edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project ProcessState& operator=(const ProcessState& o); 80e3e43b384e0603e5883b501cdb169641fab8fea2Mathias Agopian String8 makeBinderThreadName(); 81376b822728c582a9deb26ce339deb5204ae4d22eWale Ogunwale 82edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project struct handle_entry { 83edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IBinder* binder; 84edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project RefBase::weakref_type* refs; 85edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project }; 86376b822728c582a9deb26ce339deb5204ae4d22eWale Ogunwale 87edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project handle_entry* lookupHandleLocked(int32_t handle); 88edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 89edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int mDriverFD; 90edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void* mVMStart; 91376b822728c582a9deb26ce339deb5204ae4d22eWale Ogunwale 92376b822728c582a9deb26ce339deb5204ae4d22eWale Ogunwale // Protects thread count variable below. 93376b822728c582a9deb26ce339deb5204ae4d22eWale Ogunwale pthread_mutex_t mThreadCountLock; 94376b822728c582a9deb26ce339deb5204ae4d22eWale Ogunwale pthread_cond_t mThreadCountDecrement; 95376b822728c582a9deb26ce339deb5204ae4d22eWale Ogunwale // Number of binder threads current executing a command. 96376b822728c582a9deb26ce339deb5204ae4d22eWale Ogunwale size_t mExecutingThreadsCount; 97376b822728c582a9deb26ce339deb5204ae4d22eWale Ogunwale // Maximum number for binder threads allowed for this process. 98376b822728c582a9deb26ce339deb5204ae4d22eWale Ogunwale size_t mMaxThreads; 9996e8322f4d11af8538d6d0db5f1a11338b8aee9dColin Cross // Time when thread pool was emptied 10096e8322f4d11af8538d6d0db5f1a11338b8aee9dColin Cross int64_t mStarvationStartTimeMs; 101376b822728c582a9deb26ce339deb5204ae4d22eWale Ogunwale 102edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mutable Mutex mLock; // protects everything below. 103376b822728c582a9deb26ce339deb5204ae4d22eWale Ogunwale 104edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Vector<handle_entry>mHandleToObject; 105edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 106edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bool mManagesContexts; 107edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project context_check_func mBinderContextCheckFunc; 108edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void* mBinderContextUserData; 109376b822728c582a9deb26ce339deb5204ae4d22eWale Ogunwale 110edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project KeyedVector<String16, sp<IBinder> > 111edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mContexts; 112edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 113edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 114edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project String8 mRootDir; 115edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bool mThreadPoolStarted; 116edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project volatile int32_t mThreadPoolSeq; 117edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; 118edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 119edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; // namespace android 120edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 121edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// --------------------------------------------------------------------------- 122edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 123edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif // ANDROID_PROCESS_STATE_H 124