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Pass function for Thread as Send to Thread::imp

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This commit is contained in:
Raoul Strackx 2024-05-30 15:22:12 +02:00
parent 7cd732f990
commit 9b2e41a218
1 changed files with 3 additions and 2 deletions
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5
library/std/src/thread/mod.rs
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@ -561,7 +561,8 @@ impl Builder {
let main = Box::new(main);
// SAFETY: dynamic size and alignment of the Box remain the same. See below for why the
// lifetime change is justified.
let main = unsafe { Box::from_raw(Box::into_raw(main) as *mut (dyn FnOnce() + 'static)) };
let main =
unsafe { Box::from_raw(Box::into_raw(main) as *mut (dyn FnOnce() + Send + 'static)) };
Ok(JoinInner {
// SAFETY:
@ -1544,7 +1545,7 @@ struct Packet<'scope, T> {
// The type `T` should already always be Send (otherwise the thread could not
// have been created) and the Packet is Sync because all access to the
// `UnsafeCell` synchronized (by the `join()` boundary), and `ScopeData` is Sync.
unsafe impl<'scope, T: Sync> Sync for Packet<'scope, T> {}
unsafe impl<'scope, T: Send> Sync for Packet<'scope, T> {}
impl<'scope, T> Drop for Packet<'scope, T> {
fn drop(&mut self) {