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Bug 1466609: Make the threadsafe refcounting macros more reusable. r=xidorn

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MozReview-Commit-ID: IanxqRksGqE
This commit is contained in:
Emilio Cobos Álvarez 2018-06-04 19:53:45 +02:00
parent e4cbb53202
commit 4678543839
1 changed files with 32 additions and 30 deletions
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62
servo/components/style/gecko_bindings/sugar/refptr.rs
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@ -4,7 +4,7 @@
//! A rust helper to ease the use of Gecko's refcounted types.
use gecko_bindings::structs;
use gecko_bindings::{structs, bindings};
use gecko_bindings::sugar::ownership::HasArcFFI;
use servo_arc::Arc;
use std::{fmt, mem, ptr};
@ -255,13 +255,16 @@ unsafe impl<T: ThreadSafeRefCounted> Send for RefPtr<T> {}
unsafe impl<T: ThreadSafeRefCounted> Sync for RefPtr<T> {}
macro_rules! impl_refcount {
($t:ty, $addref:ident, $release:ident) => {
($t:ty, $addref:path, $release:path) => {
unsafe impl RefCounted for $t {
#[inline]
fn addref(&self) {
unsafe { ::gecko_bindings::bindings::$addref(self as *const _ as *mut _) }
unsafe { $addref(self as *const _ as *mut _) }
}
#[inline]
unsafe fn release(&self) {
::gecko_bindings::bindings::$release(self as *const _ as *mut _)
$release(self as *const _ as *mut _)
}
}
};
@ -271,50 +274,49 @@ macro_rules! impl_refcount {
//
// Gets you a free RefCounted impl implemented via FFI.
macro_rules! impl_threadsafe_refcount {
($t:ty, $addref:ident, $release:ident) => {
($t:ty, $addref:path, $release:path) => {
impl_refcount!($t, $addref, $release);
unsafe impl ThreadSafeRefCounted for $t {}
};
}
impl_threadsafe_refcount!(
::gecko_bindings::structs::RawGeckoURLExtraData,
Gecko_AddRefURLExtraDataArbitraryThread,
Gecko_ReleaseURLExtraDataArbitraryThread
structs::RawGeckoURLExtraData,
bindings::Gecko_AddRefURLExtraDataArbitraryThread,
bindings::Gecko_ReleaseURLExtraDataArbitraryThread
);
impl_threadsafe_refcount!(
::gecko_bindings::structs::nsStyleQuoteValues,
Gecko_AddRefQuoteValuesArbitraryThread,
Gecko_ReleaseQuoteValuesArbitraryThread
structs::nsStyleQuoteValues,
bindings::Gecko_AddRefQuoteValuesArbitraryThread,
bindings::Gecko_ReleaseQuoteValuesArbitraryThread
);
impl_threadsafe_refcount!(
::gecko_bindings::structs::nsCSSValueSharedList,
Gecko_AddRefCSSValueSharedListArbitraryThread,
Gecko_ReleaseCSSValueSharedListArbitraryThread
structs::nsCSSValueSharedList,
bindings::Gecko_AddRefCSSValueSharedListArbitraryThread,
bindings::Gecko_ReleaseCSSValueSharedListArbitraryThread
);
impl_threadsafe_refcount!(
::gecko_bindings::structs::mozilla::css::URLValue,
Gecko_AddRefCSSURLValueArbitraryThread,
Gecko_ReleaseCSSURLValueArbitraryThread
structs::mozilla::css::URLValue,
bindings::Gecko_AddRefCSSURLValueArbitraryThread,
bindings::Gecko_ReleaseCSSURLValueArbitraryThread
);
impl_threadsafe_refcount!(
::gecko_bindings::structs::mozilla::css::GridTemplateAreasValue,
Gecko_AddRefGridTemplateAreasValueArbitraryThread,
Gecko_ReleaseGridTemplateAreasValueArbitraryThread
structs::mozilla::css::GridTemplateAreasValue,
bindings::Gecko_AddRefGridTemplateAreasValueArbitraryThread,
bindings::Gecko_ReleaseGridTemplateAreasValueArbitraryThread
);
impl_threadsafe_refcount!(
::gecko_bindings::structs::ImageValue,
Gecko_AddRefImageValueArbitraryThread,
Gecko_ReleaseImageValueArbitraryThread
structs::ImageValue,
bindings::Gecko_AddRefImageValueArbitraryThread,
bindings::Gecko_ReleaseImageValueArbitraryThread
);
impl_threadsafe_refcount!(
::gecko_bindings::structs::SharedFontList,
Gecko_AddRefSharedFontListArbitraryThread,
Gecko_ReleaseSharedFontListArbitraryThread
structs::SharedFontList,
bindings::Gecko_AddRefSharedFontListArbitraryThread,
bindings::Gecko_ReleaseSharedFontListArbitraryThread
);
impl_threadsafe_refcount!(
::gecko_bindings::structs::SheetLoadDataHolder,
Gecko_AddRefSheetLoadDataHolderArbitraryThread,
Gecko_ReleaseSheetLoadDataHolderArbitraryThread
structs::SheetLoadDataHolder,
bindings::Gecko_AddRefSheetLoadDataHolderArbitraryThread,
bindings::Gecko_ReleaseSheetLoadDataHolderArbitraryThread
);