Module kernel::sync

Synchronisation primitives.

This module contains the kernel APIs related to synchronisation that have been ported or wrapped for usage by Rust code in the kernel.

Re-exports

• pub use lock::mutex::new_mutex;
• pub use lock::mutex::Mutex;
• pub use lock::mutex::MutexGuard;
• pub use lock::spinlock::new_spinlock;
• pub use lock::spinlock::SpinLock;
• pub use lock::spinlock::SpinLockGuard;

Modules

• lock
  Generic kernel lock and guard.
• poll
  Utilities for working with struct poll_table.
• rcu
  RCU support.

Macros

• global_lock
  Defines a global lock.
• new_condvar
  Creates a CondVar initialiser with the given name and a newly-created lock class.

Structs

• Arc
  A reference-counted pointer to an instance of T.
• ArcBorrow
  A borrowed reference to an Arc instance.
• CondVar
  A conditional variable.
• GlobalGuard
  A guard for a GlobalLock.
• GlobalLock
  Type used for global locks.
• GlobalLockedBy
  A version of LockedBy for a GlobalLock.
• LockClassKey
  Represents a lockdep class. It’s a wrapper around C’s lock_class_key.
• LockedBy
  Allows access to some data to be serialised by a lock that does not wrap it.
• UniqueArc
  A refcounted object that is known to have a refcount of 1.

Enums

• CondVarTimeoutResult
  The return type of wait_timeout.

Traits

• GlobalLockBackend
  Trait implemented for marker types for global locks.