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124 lines
4.4 KiB
124 lines
4.4 KiB
/* |
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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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#ifndef ANDROID_HARDWARE_PROCESS_STATE_H |
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#define ANDROID_HARDWARE_PROCESS_STATE_H |
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#include <hwbinder/IBinder.h> |
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#include <utils/KeyedVector.h> |
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#include <utils/String8.h> |
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#include <utils/String16.h> |
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#include <utils/threads.h> |
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#include <pthread.h> |
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// --------------------------------------------------------------------------- |
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namespace android { |
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namespace hardware { |
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class IPCThreadState; |
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class ProcessState : public virtual RefBase |
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{ |
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public: |
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static sp<ProcessState> self(); |
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static sp<ProcessState> selfOrNull(); |
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void setContextObject(const sp<IBinder>& object); |
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sp<IBinder> getContextObject(const sp<IBinder>& caller); |
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void setContextObject(const sp<IBinder>& object, |
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const String16& name); |
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sp<IBinder> getContextObject(const String16& name, |
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const sp<IBinder>& caller); |
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void startThreadPool(); |
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typedef bool (*context_check_func)(const String16& name, |
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const sp<IBinder>& caller, |
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void* userData); |
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bool isContextManager(void) const; |
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bool becomeContextManager( |
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context_check_func checkFunc, |
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void* userData); |
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sp<IBinder> getStrongProxyForHandle(int32_t handle); |
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wp<IBinder> getWeakProxyForHandle(int32_t handle); |
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void expungeHandle(int32_t handle, IBinder* binder); |
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void spawnPooledThread(bool isMain); |
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status_t setThreadPoolConfiguration(size_t maxThreads, bool callerJoinsPool); |
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void giveThreadPoolName(); |
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ssize_t getKernelReferences(size_t count, uintptr_t* buf); |
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private: |
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friend class IPCThreadState; |
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ProcessState(); |
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~ProcessState(); |
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ProcessState(const ProcessState& o); |
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ProcessState& operator=(const ProcessState& o); |
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String8 makeBinderThreadName(); |
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struct handle_entry { |
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IBinder* binder; |
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RefBase::weakref_type* refs; |
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}; |
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handle_entry* lookupHandleLocked(int32_t handle); |
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int mDriverFD; |
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void* mVMStart; |
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// Protects thread count variable below. |
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pthread_mutex_t mThreadCountLock; |
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pthread_cond_t mThreadCountDecrement; |
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// Number of binder threads current executing a command. |
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size_t mExecutingThreadsCount; |
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// Maximum number for binder threads allowed for this process. |
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size_t mMaxThreads; |
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// Time when thread pool was emptied |
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int64_t mStarvationStartTimeMs; |
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mutable Mutex mLock; // protects everything below. |
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Vector<handle_entry>mHandleToObject; |
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bool mManagesContexts; |
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context_check_func mBinderContextCheckFunc; |
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void* mBinderContextUserData; |
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KeyedVector<String16, sp<IBinder> > |
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mContexts; |
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String8 mRootDir; |
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bool mThreadPoolStarted; |
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bool mSpawnThreadOnStart; |
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volatile int32_t mThreadPoolSeq; |
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}; |
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}; // namespace hardware |
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}; // namespace android |
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// --------------------------------------------------------------------------- |
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#endif // ANDROID_HARDWARE_PROCESS_STATE_H
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