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No tracing of nop traceable fields (#29926)
* Add `no_trace` option to JSTraceable derive * NoTrace wrapper * Port some types to no_trace schematics * Fixing my unsafe mistakes (not tracing traceables) * Add docs & safety guards for no_trace Safety guards (trait shenanigans) guarantees safety usage of `no_trace` * Port canvas_traits to no_trace * Port servo_media to no_trace * Port net_traits to no_trace * Port style to no_trace * Port webgpu to no_trace * Port script_traits to no_trace * Port canvas_traits, devtools_traits, embedder_traits, profile_traits to no_trace * unrooted_must_root lint in seperate file * Add trace_in_no_trace_lint as script_plugin * Composable types in must_not_have_traceable * Introduced HashMapTracedValues wrapper * `HashMap<NoTrace<K>,V>`->`HashMapTracedValues<K,V>` * Port rest of servo's types to no_trace * Port html5ever, euclid, mime and http to no_trace * Port remaining externals to no_trace * Port webxr and Arc<Mutex<_>> * Fix spelling in notrace doc
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167 changed files with 1903 additions and 1020 deletions
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@ -169,7 +169,7 @@ impl WorkletMethods for Worklet {
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/// A guid for worklets.
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#[derive(Clone, Copy, Debug, Eq, Hash, JSTraceable, PartialEq)]
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pub struct WorkletId(Uuid);
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pub struct WorkletId(#[no_trace] Uuid);
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malloc_size_of_is_0!(WorkletId);
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@ -251,12 +251,18 @@ impl PendingTasksStruct {
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#[derive(Clone, JSTraceable)]
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pub struct WorkletThreadPool {
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// Channels to send data messages to the three roles.
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#[no_trace]
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primary_sender: Sender<WorkletData>,
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#[no_trace]
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hot_backup_sender: Sender<WorkletData>,
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#[no_trace]
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cold_backup_sender: Sender<WorkletData>,
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// Channels to send control messages to the three threads.
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#[no_trace]
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control_sender_0: Sender<WorkletControl>,
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#[no_trace]
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control_sender_1: Sender<WorkletControl>,
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#[no_trace]
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control_sender_2: Sender<WorkletControl>,
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}
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@ -746,6 +752,7 @@ impl WorkletThread {
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pub struct WorkletExecutor {
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worklet_id: WorkletId,
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#[ignore_malloc_size_of = "channels are hard"]
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#[no_trace]
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primary_sender: Sender<WorkletData>,
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}
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