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[coll] Prevent race during error check. (#10319)

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Jiaming Yuan 2024-05-29 06:43:16 +08:00 committed by GitHub
parent 7354955cbb
commit 2de67f0050
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1 changed files with 2 additions and 1 deletions
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src/collective/loop.cc
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@ -185,7 +185,8 @@ void Loop::Process() {
if (!rc.OK()) { if (!rc.OK()) {
set_rc(std::move(rc)); set_rc(std::move(rc));
} else { } else {
CHECK(qcopy.empty()); std::unique_lock lock{mu_};
CHECK(qcopy.empty() || stop_);
} }
} catch (std::exception const& e) { } catch (std::exception const& e) {
curr_exce_ = std::current_exception(); curr_exce_ = std::current_exception();