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avoid double cancel
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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@ -482,6 +482,8 @@ class parallel_solver {
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void set_cancel() {
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std::scoped_lock lock(mux);
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if (m_state != state::is_running)
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return;
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cancel_workers_unlocked();
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}
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