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allow input error to be logged and abort program (#693)

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Stephan Dilly 2021-05-09 19:13:02 +02:00 committed by GitHub
parent 43d125b909
commit 423a014b0e
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1 changed files with 40 additions and 28 deletions
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68
src/input.rs
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@ -1,7 +1,9 @@
use crate::notify_mutex::NotifyableMutex;
use crossbeam_channel::{unbounded, Receiver};
use anyhow::Result;
use crossbeam_channel::{unbounded, Receiver, Sender};
use crossterm::event::{self, Event};
use std::{
process,
sync::{
atomic::{AtomicBool, Ordering},
Arc,
@ -44,33 +46,12 @@ impl Input {
let arc_desired = Arc::clone(&desired_state);
let arc_current = Arc::clone(&current_state);
thread::spawn(move || loop {
if arc_desired.get() {
if !arc_current.load(Ordering::Relaxed) {
log::info!("input polling resumed");
tx.send(InputEvent::State(InputState::Polling))
.expect("send state failed");
}
arc_current.store(true, Ordering::Relaxed);
if let Some(e) = Self::poll(POLL_DURATION)
.expect("failed to pull events.")
{
tx.send(InputEvent::Input(e))
.expect("send input failed");
}
} else {
if arc_current.load(Ordering::Relaxed) {
log::info!("input polling suspended");
tx.send(InputEvent::State(InputState::Paused))
.expect("send state failed");
}
arc_current.store(false, Ordering::Relaxed);
arc_desired.wait(true);
thread::spawn(move || {
if let Err(e) =
Self::input_loop(&arc_desired, &arc_current, &tx)
{
log::error!("input thread error: {}", e);
process::abort();
}
});
@ -108,4 +89,35 @@ impl Input {
Ok(None)
}
}
fn input_loop(
arc_desired: &Arc<NotifyableMutex<bool>>,
arc_current: &Arc<AtomicBool>,
tx: &Sender<InputEvent>,
) -> Result<()> {
loop {
if arc_desired.get() {
if !arc_current.load(Ordering::Relaxed) {
log::info!("input polling resumed");
tx.send(InputEvent::State(InputState::Polling))?;
}
arc_current.store(true, Ordering::Relaxed);
if let Some(e) = Self::poll(POLL_DURATION)? {
tx.send(InputEvent::Input(e))?;
}
} else {
if arc_current.load(Ordering::Relaxed) {
log::info!("input polling suspended");
tx.send(InputEvent::State(InputState::Paused))?
}
arc_current.store(false, Ordering::Relaxed);
arc_desired.wait(true);
}
}
}
}