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Add an extra check for the RunQueue size estimate

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This commit is contained in:
Eugene Zhulenev 2019-03-05 11:51:26 -08:00
parent b1a8627493
commit 56c6373f82
1 changed files with 3 additions and 1 deletions
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4
unsupported/Eigen/CXX11/src/ThreadPool/RunQueue.h
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@ -209,7 +209,9 @@ class RunQueue {
} else {
// This value will be 0 if the queue is empty, and undefined otherwise.
unsigned maybe_zero = ((front ^ back) & kMask2);
eigen_assert(maybe_zero == 0 ? CalculateSize(front, back) == 0 : true);
// Queue size estimate must agree with maybe zero check on the queue
// empty/non-empty state.
eigen_assert((CalculateSize(front, back) == 0) == (maybe_zero == 0));
return maybe_zero;
}
}