2 * Copyright (C) 2010 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #ifndef ANDROID_GUI_SENSOR_CHANNEL_H
18 #define ANDROID_GUI_SENSOR_CHANNEL_H
21 #include <sys/types.h>
23 #include <utils/Errors.h>
24 #include <utils/RefBase.h>
25 #include <cutils/log.h>
29 // ----------------------------------------------------------------------------
32 class BitTube : public RefBase
37 BitTube(const Parcel& data);
40 status_t initCheck() const;
42 ssize_t write(void const* vaddr, size_t size);
43 ssize_t read(void* vaddr, size_t size);
45 status_t writeToParcel(Parcel* reply) const;
48 static ssize_t sendObjects(const sp<BitTube>& tube,
49 T const* events, size_t count) {
50 return sendObjects(tube, events, count, sizeof(T));
54 static ssize_t recvObjects(const sp<BitTube>& tube,
55 T* events, size_t count) {
56 return recvObjects(tube, events, count, sizeof(T));
61 mutable int mReceiveFd;
63 static ssize_t sendObjects(const sp<BitTube>& tube,
64 void const* events, size_t count, size_t objSize);
66 static ssize_t recvObjects(const sp<BitTube>& tube,
67 void* events, size_t count, size_t objSize);
70 // ----------------------------------------------------------------------------
71 }; // namespace android
73 #endif // ANDROID_GUI_SENSOR_CHANNEL_H