2009-03-04 03:31:44 +00:00
|
|
|
/*
|
|
|
|
|
* Copyright (C) 2005 The Android Open Source Project
|
|
|
|
|
*
|
|
|
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
|
|
|
* you may not use this file except in compliance with the License.
|
|
|
|
|
* You may obtain a copy of the License at
|
|
|
|
|
*
|
|
|
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
|
*
|
|
|
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
|
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
|
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
|
|
|
* See the License for the specific language governing permissions and
|
|
|
|
|
* limitations under the License.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#ifndef ANDROID_IPC_THREAD_STATE_H
|
|
|
|
|
#define ANDROID_IPC_THREAD_STATE_H
|
|
|
|
|
|
|
|
|
|
#include <utils/Errors.h>
|
2009-11-13 02:45:53 +00:00
|
|
|
#include <binder/Parcel.h>
|
|
|
|
|
#include <binder/ProcessState.h>
|
2009-03-04 03:31:44 +00:00
|
|
|
#include <utils/Vector.h>
|
|
|
|
|
|
|
|
|
|
#ifdef HAVE_WIN32_PROC
|
|
|
|
|
typedef int uid_t;
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
|
namespace android {
|
|
|
|
|
|
|
|
|
|
class IPCThreadState
|
|
|
|
|
{
|
|
|
|
|
public:
|
|
|
|
|
static IPCThreadState* self();
|
|
|
|
|
|
|
|
|
|
sp<ProcessState> process();
|
|
|
|
|
|
|
|
|
|
status_t clearLastError();
|
|
|
|
|
|
|
|
|
|
int getCallingPid();
|
|
|
|
|
int getCallingUid();
|
|
|
|
|
|
|
|
|
|
int64_t clearCallingIdentity();
|
|
|
|
|
void restoreCallingIdentity(int64_t token);
|
|
|
|
|
|
|
|
|
|
void flushCommands();
|
|
|
|
|
|
|
|
|
|
void joinThreadPool(bool isMain = true);
|
|
|
|
|
|
|
|
|
|
// Stop the local process.
|
|
|
|
|
void stopProcess(bool immediate = true);
|
|
|
|
|
|
|
|
|
|
status_t transact(int32_t handle,
|
|
|
|
|
uint32_t code, const Parcel& data,
|
|
|
|
|
Parcel* reply, uint32_t flags);
|
|
|
|
|
|
|
|
|
|
void incStrongHandle(int32_t handle);
|
|
|
|
|
void decStrongHandle(int32_t handle);
|
|
|
|
|
void incWeakHandle(int32_t handle);
|
|
|
|
|
void decWeakHandle(int32_t handle);
|
|
|
|
|
status_t attemptIncStrongHandle(int32_t handle);
|
|
|
|
|
static void expungeHandle(int32_t handle, IBinder* binder);
|
|
|
|
|
status_t requestDeathNotification( int32_t handle,
|
|
|
|
|
BpBinder* proxy);
|
|
|
|
|
status_t clearDeathNotification( int32_t handle,
|
|
|
|
|
BpBinder* proxy);
|
|
|
|
|
|
|
|
|
|
static void shutdown();
|
|
|
|
|
|
|
|
|
|
private:
|
|
|
|
|
IPCThreadState();
|
|
|
|
|
~IPCThreadState();
|
|
|
|
|
|
|
|
|
|
status_t sendReply(const Parcel& reply, uint32_t flags);
|
|
|
|
|
status_t waitForResponse(Parcel *reply,
|
|
|
|
|
status_t *acquireResult=NULL);
|
|
|
|
|
status_t talkWithDriver(bool doReceive=true);
|
|
|
|
|
status_t writeTransactionData(int32_t cmd,
|
|
|
|
|
uint32_t binderFlags,
|
|
|
|
|
int32_t handle,
|
|
|
|
|
uint32_t code,
|
|
|
|
|
const Parcel& data,
|
|
|
|
|
status_t* statusBuffer);
|
|
|
|
|
status_t executeCommand(int32_t command);
|
|
|
|
|
|
|
|
|
|
void clearCaller();
|
|
|
|
|
|
|
|
|
|
static void threadDestructor(void *st);
|
|
|
|
|
static void freeBuffer(Parcel* parcel,
|
|
|
|
|
const uint8_t* data, size_t dataSize,
|
|
|
|
|
const size_t* objects, size_t objectsSize,
|
|
|
|
|
void* cookie);
|
|
|
|
|
|
|
|
|
|
const sp<ProcessState> mProcess;
|
|
|
|
|
Vector<BBinder*> mPendingStrongDerefs;
|
|
|
|
|
Vector<RefBase::weakref_type*> mPendingWeakDerefs;
|
|
|
|
|
|
|
|
|
|
Parcel mIn;
|
|
|
|
|
Parcel mOut;
|
|
|
|
|
status_t mLastError;
|
|
|
|
|
pid_t mCallingPid;
|
|
|
|
|
uid_t mCallingUid;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
}; // namespace android
|
|
|
|
|
|
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
|
|
|
|
|
|
#endif // ANDROID_IPC_THREAD_STATE_H
|
