Merge "Fix another barrier bug 3333866 Atomically update put." into honeycomb

2011-01-27 21:24:00 -08:00
parent e31ecf6104 5012a8fe42
commit 386ef6da5a
1 changed files with 3 additions and 1 deletions
--- a/libs/rs/rsLocklessFifo.cpp
+++ b/libs/rs/rsLocklessFifo.cpp
@@ -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();
 }