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Commit 7374d160 authored by Yifan Hong's avatar Yifan Hong Committed by android-build-merger
Browse files

Merge "android.frameworks.sensorservice@1.0: Looper thread SCHED_FIFO" into oc-dev 

am: 6d62c84b

Change-Id: If5186e71018647eb29915c99f024b4ca3468d7f0
parents a8b48cbb 6d62c84b

services/sensorservice/hidl/SensorManager.cpp

+12 −2
Original line number Diff line number Diff line
@@ -22,12 +22,14 @@ 


#include "SensorManager.h"



#include <sched.h>



#include <thread>



#include "EventQueue.h"

#include "DirectReportChannel.h"

#include "utils.h"



#include <thread>



namespace android {

namespace frameworks {

namespace sensorservice {
@@ -131,6 +133,14 @@ sp<::android::Looper> SensorManager::getLooper() { 
        std::condition_variable looperSet;



        std::thread{[&mutex = mLooperMutex, &looper = mLooper, &looperSet] {



            struct sched_param p = {0};

            p.sched_priority = 10;

            if (sched_setscheduler(0 /* current thread*/, SCHED_FIFO, &p) != 0) {

                LOG(WARNING) << "Could not use SCHED_FIFO for looper thread: "

                        << strerror(errno);

            }



            std::unique_lock<std::mutex> lock(mutex);

            looper = Looper::prepare(ALOOPER_PREPARE_ALLOW_NON_CALLBACKS /* opts */);

            lock.unlock();