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Commit 5012a8fe authored by Jason Sams's avatar Jason Sams
Browse files

Fix another barrier bug 3333866 

Atomically update put.

Change-Id: Id6d4b5c03f5562b3021561e95966a01abd293667
parent 74d39bd9

libs/rs/rsLocklessFifo.cpp

+3 −1
Original line number Diff line number Diff line
@@ -100,7 +100,9 @@ void LocklessCommandFifo::commit(uint32_t command, uint32_t sizeInBytes) { 
    //dumpState("commit 1");

    reinterpret_cast<uint16_t *>(mPut)[0] = command;

    reinterpret_cast<uint16_t *>(mPut)[1] = sizeInBytes;

    mPut += ((sizeInBytes + 3) & ~3) + 4;



    int32_t s = ((sizeInBytes + 3) & ~3) + 4;

    android_atomic_add(s, (int32_t *)&mPut);

    //dumpState("commit 2");

    mSignalToWorker.set();

}