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mux: avoid panic if prune_dead_windows is called indirectly

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refs: #542
This commit is contained in:
Wez Furlong 2021-03-15 06:37:46 -07:00
parent 045c3d05a4
commit 2ea093170c
1 changed files with 7 additions and 1 deletions
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8
mux/src/lib.rs
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@ -361,7 +361,13 @@ impl Mux {
let dead_tab_ids: Vec<TabId>;
{
let mut windows = self.windows.borrow_mut();
let mut windows = match self.windows.try_borrow_mut() {
Ok(w) => w,
Err(_) => {
// It's ok if our caller already locked it; we can prune later.
return;
}
};
for (window_id, win) in windows.iter_mut() {
win.prune_dead_tabs(&live_tab_ids);
if win.is_empty() {