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Fix num_threads to avoid divide by zero error when running without a thread pool

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Signed-off-by: teymour-aldridge <teymour.aldridge@icloud.com>
This commit is contained in:
teymour-aldridge 2020-12-27 19:49:54 +00:00
parent cbda5c3e3e
commit 1f38e3411d
2 changed files with 8 additions and 4 deletions
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2
components/layout_thread/lib.rs
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@ -1404,7 +1404,7 @@ impl LayoutThread {
let pool;
let (thread_pool, num_threads) = if self.parallel_flag {
pool = STYLE_THREAD_POOL.pool();
(pool.as_ref(), STYLE_THREAD_POOL.num_threads)
(pool.as_ref(), STYLE_THREAD_POOL.num_threads.unwrap_or(1))
} else {
(None, 1)
};

10
components/style/global_style_data.rs
View file

@ -26,8 +26,8 @@ pub struct GlobalStyleData {
/// Global thread pool.
pub struct StyleThreadPool {
/// How many threads parallel styling can use.
pub num_threads: usize,
/// How many threads parallel styling can use. If not using a thread pool, this is set to `None`.
pub num_threads: Option<usize>,
/// The parallel styling thread pool.
///
@ -160,7 +160,11 @@ lazy_static! {
};
StyleThreadPool {
num_threads,
num_threads: if num_threads > 0 {
Some(num_threads)
} else {
None
},
style_thread_pool: RwLock::new(pool),
}
};