Rollup merge of rust-lang#122386 - joboet:move_pal_once, r=jhpratt

Move `Once` implementations to `sys`

Part of rust-lang#117276.

Author: matthiaskrgr

.reuse/dep5

@@ -52,7 +52,7 @@ Copyright: 2019 The Crossbeam Project Developers
            The Rust Project Developers (see https://thanks.rust-lang.org)
 License: MIT OR Apache-2.0
 
-Files: library/std/src/sys/locks/mutex/fuchsia.rs
+Files: library/std/src/sys/sync/mutex/fuchsia.rs
 Copyright: 2016 The Fuchsia Authors
            The Rust Project Developers (see https://thanks.rust-lang.org)
 License: BSD-2-Clause AND (MIT OR Apache-2.0)

library/std/src/sync/condvar.rs

@@ -3,7 +3,7 @@ mod tests;
 
 use crate::fmt;
 use crate::sync::{mutex, poison, LockResult, MutexGuard, PoisonError};
-use crate::sys::locks as sys;
+use crate::sys::sync as sys;
 use crate::time::{Duration, Instant};
 
 /// A type indicating whether a timed wait on a condition variable returned

library/std/src/sync/mutex.rs

@@ -8,7 +8,7 @@ use crate::mem::ManuallyDrop;
 use crate::ops::{Deref, DerefMut};
 use crate::ptr::NonNull;
 use crate::sync::{poison, LockResult, TryLockError, TryLockResult};
-use crate::sys::locks as sys;
+use crate::sys::sync as sys;
 
 /// A mutual exclusion primitive useful for protecting shared data
 ///

library/std/src/sync/once.rs

@@ -8,7 +8,7 @@ mod tests;
 
 use crate::fmt;
 use crate::panic::{RefUnwindSafe, UnwindSafe};
-use crate::sys_common::once as sys;
+use crate::sys::sync as sys;
 
 /// A synchronization primitive which can be used to run a one-time global
 /// initialization. Useful for one-time initialization for FFI or related

library/std/src/sync/reentrant_lock.rs

@@ -6,7 +6,7 @@ use crate::fmt;
 use crate::ops::Deref;
 use crate::panic::{RefUnwindSafe, UnwindSafe};
 use crate::sync::atomic::{AtomicUsize, Ordering::Relaxed};
-use crate::sys::locks as sys;
+use crate::sys::sync as sys;
 
 /// A re-entrant mutual exclusion lock
 ///

library/std/src/sync/rwlock.rs

@@ -8,7 +8,7 @@ use crate::mem::ManuallyDrop;
 use crate::ops::{Deref, DerefMut};
 use crate::ptr::NonNull;
 use crate::sync::{poison, LockResult, TryLockError, TryLockResult};
-use crate::sys::locks as sys;
+use crate::sys::sync as sys;
 
 /// A reader-writer lock
 ///

library/std/src/sys/mod.rs

@@ -6,9 +6,9 @@ mod pal;
 mod personality;
 
 pub mod cmath;
-pub mod locks;
 pub mod os_str;
 pub mod path;
+pub mod sync;
 #[allow(dead_code)]
 #[allow(unused_imports)]
 pub mod thread_local;

library/std/src/sys/pal/teeos/mod.rs

@@ -19,8 +19,6 @@ pub mod fs;
 #[path = "../unsupported/io.rs"]
 pub mod io;
 pub mod net;
-#[path = "../unsupported/once.rs"]
-pub mod once;
 pub mod os;
 #[path = "../unsupported/pipe.rs"]
 pub mod pipe;

library/std/src/sys/pal/uefi/mod.rs

@@ -21,8 +21,6 @@ pub mod fs;
 pub mod io;
 #[path = "../unsupported/net.rs"]
 pub mod net;
-#[path = "../unsupported/once.rs"]
-pub mod once;
 pub mod os;
 #[path = "../unsupported/pipe.rs"]
 pub mod pipe;

library/std/src/sys/pal/unsupported/mod.rs

@@ -6,7 +6,6 @@ pub mod env;
 pub mod fs;
 pub mod io;
 pub mod net;
-pub mod once;
 pub mod os;
 pub mod pipe;
 pub mod process;