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Commit 0c2aaca5 authored by Brad Fitzpatrick's avatar Brad Fitzpatrick Committed by Android Git Automerger
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am 706623dd: am c0a7e690: Add Parcel::readExceptionCode() and Parcel::writeNoException() 

Merge commit '706623ddb8314850c0551f0b66e24b5f0bd28620'

* commit '706623ddb8314850c0551f0b66e24b5f0bd28620':
  Add Parcel::readExceptionCode() and Parcel::writeNoException()
parents 698cdb5c 2562c29b

include/binder/Parcel.h

+13 −1
Original line number Original line Diff line number Diff line
@@ -103,6 +103,11 @@ public: 
    

    

    status_t            writeObject(const flat_binder_object& val, bool nullMetaData);

    status_t            writeObject(const flat_binder_object& val, bool nullMetaData);





    // Like Parcel.java's writeNoException().  Just writes a zero int32.

    // Currently the native implementation doesn't do any of the StrictMode

    // stack gathering and serialization that the Java implementation does.

    status_t            writeNoException();



    void                remove(size_t start, size_t amt);

    void                remove(size_t start, size_t amt);

    

    

    status_t            read(void* outData, size_t len) const;

    status_t            read(void* outData, size_t len) const;
@@ -126,6 +131,13 @@ public: 
    wp<IBinder>         readWeakBinder() const;

    wp<IBinder>         readWeakBinder() const;

    status_t            read(Flattenable& val) const;

    status_t            read(Flattenable& val) const;





    // Like Parcel.java's readExceptionCode().  Reads the first int32

    // off of a Parcel's header, returning 0 or the negative error

    // code on exceptions, but also deals with skipping over rich

    // response headers.  Callers should use this to read & parse the

    // response headers rather than doing it by hand.

    int32_t             readExceptionCode() const;



    // Retrieve native_handle from the parcel. This returns a copy of the

    // Retrieve native_handle from the parcel. This returns a copy of the

    // parcel's native_handle (the caller takes ownership). The caller

    // parcel's native_handle (the caller takes ownership). The caller

    // must free the native_handle with native_handle_close() and 

    // must free the native_handle with native_handle_close() and

libs/binder/IPermissionController.cpp

+3 −5
Original line number Original line Diff line number Diff line
@@ -46,7 +46,7 @@ public: 
        data.writeInt32(uid);

        data.writeInt32(uid);

        remote()->transact(CHECK_PERMISSION_TRANSACTION, data, &reply);

        remote()->transact(CHECK_PERMISSION_TRANSACTION, data, &reply);

        // fail on exception

        // fail on exception

        if (reply.readInt32() != 0) return 0;

        if (reply.readExceptionCode() != 0) return 0;

        return reply.readInt32() != 0;

        return reply.readInt32() != 0;

    }

    }

};

};
@@ -66,8 +66,7 @@ status_t BnPermissionController::onTransact( 
            int32_t pid = data.readInt32();

            int32_t pid = data.readInt32();

            int32_t uid = data.readInt32();

            int32_t uid = data.readInt32();

            bool res = checkPermission(permission, pid, uid);

            bool res = checkPermission(permission, pid, uid);

            // write exception

            reply->writeNoException();

            reply->writeInt32(0);

            reply->writeInt32(res ? 1 : 0);

            reply->writeInt32(res ? 1 : 0);

            return NO_ERROR;

            return NO_ERROR;

        } break;

        } break;
@@ -77,4 +76,3 @@ status_t BnPermissionController::onTransact( 
}

}





}; // namespace android
 
}; // namespace android

libs/binder/IServiceManager.cpp

+1 −1
Original line number Original line Diff line number Diff line
@@ -158,7 +158,7 @@ public: 
        data.writeString16(name);

        data.writeString16(name);

        data.writeStrongBinder(service);

        data.writeStrongBinder(service);

        status_t err = remote()->transact(ADD_SERVICE_TRANSACTION, data, &reply);

        status_t err = remote()->transact(ADD_SERVICE_TRANSACTION, data, &reply);

        return err == NO_ERROR ? reply.readInt32() : err;

        return err == NO_ERROR ? reply.readExceptionCode() : err;

    }

    }





    virtual Vector<String16> listServices()

    virtual Vector<String16> listServices()

libs/binder/Parcel.cpp

+11 −0
Original line number Original line Diff line number Diff line
@@ -754,6 +754,11 @@ restart_write: 
    goto restart_write;

    goto restart_write;

}

}





status_t Parcel::writeNoException()

{

    return writeInt32(0);

}



void Parcel::remove(size_t start, size_t amt)

void Parcel::remove(size_t start, size_t amt)

{

{

    LOG_ALWAYS_FATAL("Parcel::remove() not yet implemented!");

    LOG_ALWAYS_FATAL("Parcel::remove() not yet implemented!");
@@ -942,6 +947,12 @@ wp<IBinder> Parcel::readWeakBinder() const 
    return val;

    return val;

}

}





int32_t Parcel::readExceptionCode() const

{

  int32_t exception_code = readAligned<int32_t>();

  // TODO: skip over the response header here, once that's in.

  return exception_code;

}





native_handle* Parcel::readNativeHandle() const

native_handle* Parcel::readNativeHandle() const

{

{