Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Don't call assume_init on Deferred's Data #779

Merged
merged 1 commit into from Feb 5, 2022
Merged

Don't call assume_init on Deferred's Data #779

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Jump to
Jump to file
Failed to load files.
Diff view
Diff view
8 changes: 4 additions & 4 deletions crossbeam-epoch/src/deferred.rs
View file
Open in desktop
Expand Up @@ -18,7 +18,7 @@ type Data = [usize; DATA_WORDS];
/// This is a handy way of keeping an unsized `FnOnce()` within a sized structure.
pub(crate) struct Deferred {
call: unsafe fn(*mut u8),
data: Data,
data: MaybeUninit<Data>,
_marker: PhantomData<*mut ()>, // !Send + !Sync
}

Expand Down Expand Up @@ -46,7 +46,7 @@ impl Deferred {

Deferred {
call: call::<F>,
data: data.assume_init(),
data,
_marker: PhantomData,
}
} else {
Expand All @@ -64,7 +64,7 @@ impl Deferred {

Deferred {
call: call::<F>,
data: data.assume_init(),
data,
_marker: PhantomData,
}
}
Expand All @@ -75,7 +75,7 @@ impl Deferred {
#[inline]
pub(crate) fn call(mut self) {
let call = self.call;
unsafe { call(&mut self.data as *mut Data as *mut u8) };
unsafe { call(self.data.as_mut_ptr() as *mut u8) };
}
}

Expand Down