restore SIGNAL_WORK_THREAD_MODE
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1 changed files with 6 additions and 1 deletions
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@ -54,7 +54,12 @@ impl Executor {
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loop {
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unsafe {
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self.inner.poll();
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core::arch::asm!("wfi");
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// we do not care about race conditions between the load and store operations, interrupts
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// will only set this value to true.
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// if there is work to do, loop back to polling
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if !SIGNAL_WORK_THREAD_MODE.fetch_and(false, Ordering::SeqCst) {
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core::arch::asm!("wfi");
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}
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}
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}
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}
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