You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
125 lines
4.4 KiB
125 lines
4.4 KiB
/*
|
|
* Copyright (C) 2008 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_HARDWARE_BINDER_H
|
|
#define ANDROID_HARDWARE_BINDER_H
|
|
|
|
#include <atomic>
|
|
#include <stdint.h>
|
|
#include <hwbinder/IBinder.h>
|
|
|
|
// WARNING: this code is part of libhwbinder, a fork of libbinder. Generally,
|
|
// this means that it is only relevant to HIDL. Any AIDL- or libbinder-specific
|
|
// code should not try to use these things.
|
|
|
|
// ---------------------------------------------------------------------------
|
|
namespace android {
|
|
namespace hardware {
|
|
|
|
class BHwBinder : public IBinder
|
|
{
|
|
public:
|
|
BHwBinder();
|
|
|
|
virtual status_t transact( uint32_t code,
|
|
const Parcel& data,
|
|
Parcel* reply,
|
|
uint32_t flags = 0,
|
|
TransactCallback callback = nullptr);
|
|
|
|
virtual status_t linkToDeath(const sp<DeathRecipient>& recipient,
|
|
void* cookie = nullptr,
|
|
uint32_t flags = 0);
|
|
|
|
virtual status_t unlinkToDeath( const wp<DeathRecipient>& recipient,
|
|
void* cookie = nullptr,
|
|
uint32_t flags = 0,
|
|
wp<DeathRecipient>* outRecipient = nullptr);
|
|
|
|
virtual void attachObject( const void* objectID,
|
|
void* object,
|
|
void* cleanupCookie,
|
|
object_cleanup_func func);
|
|
virtual void* findObject(const void* objectID) const;
|
|
virtual void detachObject(const void* objectID);
|
|
|
|
virtual BHwBinder* localBinder();
|
|
|
|
int getMinSchedulingPolicy();
|
|
int getMinSchedulingPriority();
|
|
|
|
bool isRequestingSid();
|
|
|
|
protected:
|
|
virtual ~BHwBinder();
|
|
|
|
virtual status_t onTransact( uint32_t code,
|
|
const Parcel& data,
|
|
Parcel* reply,
|
|
uint32_t flags = 0,
|
|
TransactCallback callback = nullptr);
|
|
|
|
// This must be called before the object is sent to another process. Not thread safe.
|
|
//
|
|
// If this is called with true, and the kernel supports it,
|
|
// IPCThreadState::getCallingSid will return values for remote processes.
|
|
void setRequestingSid(bool requestSid);
|
|
|
|
int mSchedPolicy; // policy to run transaction from this node at
|
|
// priority [-20..19] for SCHED_NORMAL, [1..99] for SCHED_FIFO/RT
|
|
int mSchedPriority;
|
|
private:
|
|
BHwBinder(const BHwBinder& o);
|
|
BHwBinder& operator=(const BHwBinder& o);
|
|
|
|
class Extras;
|
|
|
|
Extras* getOrCreateExtras();
|
|
|
|
std::atomic<Extras*> mExtras;
|
|
void* mReserved0;
|
|
};
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
class BpHwRefBase : public virtual RefBase
|
|
{
|
|
protected:
|
|
explicit BpHwRefBase(const sp<IBinder>& o);
|
|
virtual ~BpHwRefBase();
|
|
virtual void onFirstRef();
|
|
virtual void onLastStrongRef(const void* id);
|
|
virtual bool onIncStrongAttempted(uint32_t flags, const void* id);
|
|
|
|
public:
|
|
inline IBinder* remote() const { return mRemote; }
|
|
|
|
private:
|
|
BpHwRefBase(const BpHwRefBase& o);
|
|
BpHwRefBase& operator=(const BpHwRefBase& o);
|
|
|
|
IBinder* const mRemote;
|
|
RefBase::weakref_type* mRefs;
|
|
std::atomic<int32_t> mState;
|
|
};
|
|
|
|
} // namespace hardware
|
|
} // namespace android
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
#endif // ANDROID_HARDWARE_BINDER_H
|