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Replace all uses of the heapsize
crate with malloc_size_of
.
Servo currently uses `heapsize`, but Stylo/Gecko use `malloc_size_of`. `malloc_size_of` is better -- it handles various cases that `heapsize` does not -- so this patch changes Servo to use `malloc_size_of`. This patch makes the following changes to the `malloc_size_of` crate. - Adds `MallocSizeOf` trait implementations for numerous types, some built-in (e.g. `VecDeque`), some external and Servo-only (e.g. `string_cache`). - Makes `enclosing_size_of_op` optional, because vanilla jemalloc doesn't support that operation. - For `HashSet`/`HashMap`, falls back to a computed estimate when `enclosing_size_of_op` isn't available. - Adds an extern "C" `malloc_size_of` function that does the actual heap measurement; this is based on the same functions from the `heapsize` crate. This patch makes the following changes elsewhere. - Converts all the uses of `heapsize` to instead use `malloc_size_of`. - Disables the "heapsize"/"heap_size" feature for the external crates that provide it. - Removes the `HeapSizeOf` implementation from `hashglobe`. - Adds `ignore` annotations to a few `Rc`/`Arc`, because `malloc_size_of` doesn't derive those types, unlike `heapsize`.
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269 changed files with 1418 additions and 1521 deletions
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@ -23,9 +23,7 @@ use stylesheets::{NestedRuleIterationCondition, Stylesheet, SupportsRule};
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///
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/// If this changes, though, we may need to remove the item from the cache if
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/// present before it goes away.
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#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
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#[cfg_attr(feature = "gecko", derive(MallocSizeOf))]
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#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
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#[derive(Clone, Copy, Debug, Eq, Hash, MallocSizeOf, PartialEq)]
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pub struct MediaListKey(usize);
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impl MediaListKey {
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@ -53,9 +51,7 @@ impl ToMediaListKey for MediaRule {}
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/// A struct that holds the result of a media query evaluation pass for the
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/// media queries that evaluated successfully.
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#[derive(Debug, PartialEq)]
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#[cfg_attr(feature = "gecko", derive(MallocSizeOf))]
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#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
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#[derive(Debug, MallocSizeOf, PartialEq)]
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pub struct EffectiveMediaQueryResults {
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/// The set of media lists that matched last time.
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set: FnvHashSet<MediaListKey>,
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