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macOS/iOS: Fix auto trait impls of EventLoopProxy (#1084)

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* macOS/iOS: Fix auto trait impls of `EventLoopProxy`

`EventLoopProxy<T>` allows sending `T` from an arbitrary thread that
owns the proxy object. Thus, if `T` is `!Send`, `EventLoopProxy<T>` must
not be allowed to leave the main thread.

`EventLoopProxy<T>` uses `std::sync::mpsc::Sender` under the hood,
meaning the `!Sync` restriction of it also applies to
`EventLoopProxy<T>`. That is, even if `T` is thread-safe, a single
`EventLoopProxy` object cannot be shared between threads.

* Update `CHANGELOG.md`
This commit is contained in:
YVT
2019-08-09 09:13:14 +09:00
committed by Hal Gentz
parent 30b4f8dc9f
commit 31ada5a052
3 changed files with 4 additions and 5 deletions
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3
src/platform_impl/ios/event_loop.rs
View File

@@ -142,8 +142,7 @@ pub struct EventLoopProxy<T> {
source: CFRunLoopSourceRef,
}
unsafe impl<T> Send for EventLoopProxy<T> {}
unsafe impl<T> Sync for EventLoopProxy<T> {}
unsafe impl<T: Send> Send for EventLoopProxy<T> {}
impl<T> Clone for EventLoopProxy<T> {
fn clone(&self) -> EventLoopProxy<T> {

3
src/platform_impl/macos/event_loop.rs
View File

@@ -113,8 +113,7 @@ pub struct Proxy<T> {
source: CFRunLoopSourceRef,
}
unsafe impl<T> Send for Proxy<T> {}
unsafe impl<T> Sync for Proxy<T> {}
unsafe impl<T: Send> Send for Proxy<T> {}
impl<T> Clone for Proxy<T> {
fn clone(&self) -> Self {