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/*
* 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_BINDER_H
#define ANDROID_BINDER_H
#include <atomic>
#include <stdint.h>
#include <binder/IBinder.h>
// ---------------------------------------------------------------------------
namespace android {
namespace internal {
class Stability;
}
class BBinder : public IBinder
{
public:
BBinder();
virtual const String16& getInterfaceDescriptor() const;
virtual bool isBinderAlive() const;
virtual status_t pingBinder();
virtual status_t dump(int fd, const Vector<String16>& args);
// NOLINTNEXTLINE(google-default-arguments)
virtual status_t transact( uint32_t code,
const Parcel& data,
Parcel* reply,
uint32_t flags = 0) final;
// NOLINTNEXTLINE(google-default-arguments)
virtual status_t linkToDeath(const sp<DeathRecipient>& recipient,
void* cookie = nullptr,
uint32_t flags = 0);
// NOLINTNEXTLINE(google-default-arguments)
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) final;
virtual void* findObject(const void* objectID) const final;
virtual void detachObject(const void* objectID) final;
virtual BBinder* localBinder();
bool isRequestingSid();
// This must be called before the object is sent to another process. Not thread safe.
void setRequestingSid(bool requestSid);
sp<IBinder> getExtension();
// This must be called before the object is sent to another process. Not thread safe.
void setExtension(const sp<IBinder>& extension);
pid_t getDebugPid();
protected:
virtual ~BBinder();
// NOLINTNEXTLINE(google-default-arguments)
virtual status_t onTransact( uint32_t code,
const Parcel& data,
Parcel* reply,
uint32_t flags = 0);
private:
BBinder(const BBinder& o);
BBinder& operator=(const BBinder& o);
class Extras;
Extras* getOrCreateExtras();
std::atomic<Extras*> mExtras;
friend ::android::internal::Stability;
union {
int32_t mStability;
void* mReserved0;
};
};
// ---------------------------------------------------------------------------
class BpRefBase : public virtual RefBase
{
protected:
explicit BpRefBase(const sp<IBinder>& o);
virtual ~BpRefBase();
virtual void onFirstRef();
virtual void onLastStrongRef(const void* id);
virtual bool onIncStrongAttempted(uint32_t flags, const void* id);
inline IBinder* remote() { return mRemote; }
inline IBinder* remote() const { return mRemote; }
private:
BpRefBase(const BpRefBase& o);
BpRefBase& operator=(const BpRefBase& o);
IBinder* const mRemote;
RefBase::weakref_type* mRefs;
std::atomic<int32_t> mState;
};
} // namespace android
// ---------------------------------------------------------------------------
#endif // ANDROID_BINDER_H