4e975bb488
Switching activity stacks Cache ContentProvider per user Long-press power to switch users (on phone) Added ServiceMap for separating services by user Launch PendingIntents on the correct user's uid Fix task switching from Recents list AppWidgetService is mostly working. Commands added to pm and am to allow creating and switching profiles. Change-Id: I15810e8cfbe50a04bd3323a7ef5a8ff4230870ed
130 lines
5.3 KiB
C++
130 lines
5.3 KiB
C++
/*
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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_IPC_THREAD_STATE_H
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#define ANDROID_IPC_THREAD_STATE_H
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#include <utils/Errors.h>
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#include <binder/Parcel.h>
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#include <binder/ProcessState.h>
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#include <utils/Vector.h>
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#ifdef HAVE_WIN32_PROC
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typedef int uid_t;
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#endif
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// ---------------------------------------------------------------------------
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namespace android {
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class IPCThreadState
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{
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public:
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static IPCThreadState* self();
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static IPCThreadState* selfOrNull(); // self(), but won't instantiate
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sp<ProcessState> process();
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status_t clearLastError();
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int getCallingPid();
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int getCallingUid();
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int getOrigCallingUid();
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void setStrictModePolicy(int32_t policy);
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int32_t getStrictModePolicy() const;
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void setLastTransactionBinderFlags(int32_t flags);
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int32_t getLastTransactionBinderFlags() const;
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int64_t clearCallingIdentity();
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void restoreCallingIdentity(int64_t token);
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void flushCommands();
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void joinThreadPool(bool isMain = true);
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// Stop the local process.
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void stopProcess(bool immediate = true);
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status_t transact(int32_t handle,
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uint32_t code, const Parcel& data,
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Parcel* reply, uint32_t flags);
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void incStrongHandle(int32_t handle);
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void decStrongHandle(int32_t handle);
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void incWeakHandle(int32_t handle);
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void decWeakHandle(int32_t handle);
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status_t attemptIncStrongHandle(int32_t handle);
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static void expungeHandle(int32_t handle, IBinder* binder);
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status_t requestDeathNotification( int32_t handle,
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BpBinder* proxy);
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status_t clearDeathNotification( int32_t handle,
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BpBinder* proxy);
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static void shutdown();
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// Call this to disable switching threads to background scheduling when
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// receiving incoming IPC calls. This is specifically here for the
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// Android system process, since it expects to have background apps calling
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// in to it but doesn't want to acquire locks in its services while in
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// the background.
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static void disableBackgroundScheduling(bool disable);
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private:
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IPCThreadState();
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~IPCThreadState();
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status_t sendReply(const Parcel& reply, uint32_t flags);
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status_t waitForResponse(Parcel *reply,
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status_t *acquireResult=NULL);
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status_t talkWithDriver(bool doReceive=true);
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status_t writeTransactionData(int32_t cmd,
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uint32_t binderFlags,
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int32_t handle,
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uint32_t code,
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const Parcel& data,
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status_t* statusBuffer);
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status_t executeCommand(int32_t command);
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void clearCaller();
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static void threadDestructor(void *st);
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static void freeBuffer(Parcel* parcel,
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const uint8_t* data, size_t dataSize,
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const size_t* objects, size_t objectsSize,
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void* cookie);
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const sp<ProcessState> mProcess;
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const pid_t mMyThreadId;
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Vector<BBinder*> mPendingStrongDerefs;
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Vector<RefBase::weakref_type*> mPendingWeakDerefs;
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Parcel mIn;
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Parcel mOut;
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status_t mLastError;
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pid_t mCallingPid;
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uid_t mCallingUid;
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uid_t mOrigCallingUid;
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int32_t mStrictModePolicy;
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int32_t mLastTransactionBinderFlags;
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};
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}; // namespace android
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// ---------------------------------------------------------------------------
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#endif // ANDROID_IPC_THREAD_STATE_H
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