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Avoid race condition in network request scheduling

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FliegendeWurst 2020-07-13 09:41:00 +02:00
parent 1aa28f0d00
commit 1610db4c3c
1 changed files with 9 additions and 3 deletions
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12
src/main.rs
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@ -89,10 +89,16 @@ lazy_static!{
fn process_gracefully(ilias: Arc<ILIAS>, path: PathBuf, obj: Object) -> impl Future<Output = ()> + Send { async move {
*TASKS_QUEUED.lock() += 1;
while *TASKS_RUNNING.lock() >= ilias.opt.jobs {
tokio::time::delay_for(Duration::from_millis(100)).await;
loop {
{ // limit scope of lock
let mut running = TASKS_RUNNING.lock();
if *running < ilias.opt.jobs {
*running += 1;
break;
}
}
tokio::time::delay_for(Duration::from_millis(50)).await;
}
*TASKS_RUNNING.lock() += 1;
let path_text = path.to_string_lossy().into_owned();
if let Err(e) = process(ilias, path, obj).await.context("failed to process URL") {
println!("Syncing {}: {:?}", path_text, e);