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[android/platform-hardware-interfaces.git] / graphics / composer / 2.1 / default / service.cpp
1 /*
2  * Copyright 2016 The Android Open Source Project
3  *
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
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
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.
15  */
17 #define LOG_TAG "android.hardware.graphics.composer@2.1-service"
19 #include <sched.h>
21 #include <android/hardware/graphics/composer/2.1/IComposer.h>
23 #include <binder/ProcessState.h>
24 #include <hidl/LegacySupport.h>
26 using android::hardware::graphics::composer::V2_1::IComposer;
27 using android::hardware::defaultPassthroughServiceImplementation;
29 int main() {
30     // the conventional HAL might start binder services
31     android::ProcessState::initWithDriver("/dev/vndbinder");
32     android::ProcessState::self()->setThreadPoolMaxThreadCount(4);
33     android::ProcessState::self()->startThreadPool();
35     // same as SF main thread
36     struct sched_param param = {0};
37     param.sched_priority = 2;
38     if (sched_setscheduler(0, SCHED_FIFO | SCHED_RESET_ON_FORK,
39                 &param) != 0) {
40         ALOGE("Couldn't set SCHED_FIFO: %d", errno);
41     }
43     return defaultPassthroughServiceImplementation<IComposer>(4);
44 }