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Commit 8255ba7b authored by Glenn Kasten's avatar Glenn Kasten
Browse files

sched_getscheduler may include SCHED_RESET_ON_FORK 

The SCHED_RESET_ON_FORK flag is visible in the policy value returned by sched_getscheduler()

Bug: 31020591
Change-Id: I5243fadce2a5f629fa2dc61888d8aa9aff32d9ca
parent 2180a832

media/libmedia/AudioRecord.cpp

+1 −1
Original line number Diff line number Diff line
@@ -924,7 +924,7 @@ nsecs_t AudioRecord::processAudioBuffer() 
        int32_t tryCounter = kMaxTries;

        uint32_t pollUs = 10000;

        do {

            int policy = sched_getscheduler(0);

            int policy = sched_getscheduler(0) & ~SCHED_RESET_ON_FORK;

            if (policy == SCHED_FIFO || policy == SCHED_RR) {

                break;

            }

media/libmedia/AudioTrack.cpp

+1 −1
Original line number Diff line number Diff line
@@ -1777,7 +1777,7 @@ nsecs_t AudioTrack::processAudioBuffer() 
        int32_t tryCounter = kMaxTries;

        uint32_t pollUs = 10000;

        do {

            int policy = sched_getscheduler(0);

            int policy = sched_getscheduler(0) & ~SCHED_RESET_ON_FORK;

            if (policy == SCHED_FIFO || policy == SCHED_RR) {

                break;

            }

services/audioflinger/FastThread.cpp

+1 −1
Original line number Diff line number Diff line
@@ -167,7 +167,7 @@ bool FastThread::threadLoop() 
                if (old <= 0) {

                    syscall(__NR_futex, coldFutexAddr, FUTEX_WAIT_PRIVATE, old - 1, NULL);

                }

                int policy = sched_getscheduler(0);

                int policy = sched_getscheduler(0) & ~SCHED_RESET_ON_FORK;

                if (!(policy == SCHED_FIFO || policy == SCHED_RR)) {

                    ALOGE("did not receive expected priority boost");

                }