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Merged in rmlarsen/eigen_threadpool (pull request PR-640)

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Fix deadlocks in thread pool.

Approved-by: Eugene Zhulenev <ezhulenev@google.com>
This commit is contained in:
Rasmus Larsen
2019-05-13 20:04:35 +00:00
parent 5f32b79edc e5ac8cbd7a
commit c8d8d5c0fc
4 changed files with 18 additions and 23 deletions
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6
unsupported/test/cxx11_eventcount.cpp
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@@ -30,10 +30,10 @@ static void test_basic_eventcount()
EventCount ec(waiters);
EventCount::Waiter& w = waiters[0];
ec.Notify(false);
VERIFY(ec.Prewait());
ec.Prewait();
ec.Notify(true);
ec.CommitWait(&w);
VERIFY(ec.Prewait());
ec.Prewait();
ec.CancelWait();
}
@@ -112,7 +112,7 @@ static void test_stress_eventcount()
unsigned idx = rand_reentrant(&rnd) % kQueues;
if (queues[idx].Pop()) continue;
j--;
if (!ec.Prewait()) continue;
ec.Prewait();
bool empty = true;
for (int q = 0; q < kQueues; q++) {
if (!queues[q].Empty()) {