Add more from the std

crates/std/src/sync/barrier.rs

@@ -1,5 +1,5 @@
 use crate::fmt;
-use core::panic::RefUnwindSafe;
+use crate::panic::RefUnwindSafe;
 use crate::sync::nonpoison::{Condvar, Mutex};
 
 /// A barrier enables multiple threads to synchronize the beginning

crates/std/src/sync/lazy_lock.rs

@@ -2,7 +2,7 @@ use super::once::OnceExclusiveState;
 use crate::cell::UnsafeCell;
 use crate::mem::ManuallyDrop;
 use crate::ops::{Deref, DerefMut};
-use core::panic::{RefUnwindSafe, UnwindSafe};
+use crate::panic::{RefUnwindSafe, UnwindSafe};
 use crate::sync::Once;
 use crate::{fmt, ptr};
 

crates/std/src/sync/mpmc/mod.rs

@@ -150,7 +150,7 @@ mod zero;
 pub use error::*;
 
 use crate::fmt;
-use core::panic::{RefUnwindSafe, UnwindSafe};
+use crate::panic::{RefUnwindSafe, UnwindSafe};
 use crate::time::{Duration, Instant};
 
 /// Creates a new asynchronous channel, returning the sender/receiver halves.

crates/std/src/sync/once.rs

@@ -4,7 +4,7 @@
 //! example use case would be for initializing an FFI library.
 
 use crate::fmt;
-use core::panic::{RefUnwindSafe, UnwindSafe};
+use crate::panic::{RefUnwindSafe, UnwindSafe};
 use crate::sys::sync as sys;
 
 /// A low-level synchronization primitive for one-time global execution.

crates/std/src/sync/once_lock.rs

@@ -3,7 +3,7 @@ use crate::cell::UnsafeCell;
 use crate::fmt;
 use crate::marker::PhantomData;
 use crate::mem::MaybeUninit;
-use core::panic::{RefUnwindSafe, UnwindSafe};
+use crate::panic::{RefUnwindSafe, UnwindSafe};
 use crate::sync::Once;
 
 /// A synchronization primitive which can nominally be written to only once.

crates/std/src/sync/poison/mutex.rs

@@ -88,8 +88,8 @@ use crate::sys::sync as sys;
 /// [`unwrap()`]: Result::unwrap
 /// [`PoisonError`]: super::PoisonError
 /// [`into_inner`]: super::PoisonError::into_inner
-/// [panic hook]: core::panic::set_hook
-/// [`catch_unwind`]: core::panic::catch_unwind
+/// [panic hook]: crate::panic::set_hook
+/// [`catch_unwind`]: crate::panic::catch_unwind
 /// [`Cell`]: crate::cell::Cell
 ///
 /// # Examples

crates/std/src/sync/reentrant_lock.rs

@@ -1,7 +1,7 @@
 use crate::cell::UnsafeCell;
 use crate::fmt;
 use crate::ops::Deref;
-use core::panic::{RefUnwindSafe, UnwindSafe};
+use crate::panic::{RefUnwindSafe, UnwindSafe};
 use crate::sys::sync as sys;
 use crate::thread::{ThreadId, current_id};