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The CondVar type implements a condition variable, and tries to mirror the API of the CondVar type provided by the Rust standard library [2]. It is implemented using a `wait_queue_head`. Please see the Rust Binder RFC for usage examples [1]. Users of rust: sync: add `CondVar::notify_sync`: [PATCH RFC 04/20] rust_binder: add work lists [PATCH RFC 07/20] rust_binder: add epoll support [PATCH RFC 08/20] rust_binder: add non-oneway transactions Users of rust: sync: add `CondVar::wait_timeout`: [PATCH RFC 15/20] rust_binder: add process freezing Link: https://lore.kernel.org/rust-for-linux/20231101-rust-binder-v1-0-08ba9197f637@google.com/ [1] Link: https://doc.rust-lang.org/stable/std/sync/struct.Condvar.html [2] Signed-off-by: Alice Ryhl --- Alice Ryhl (2): rust: sync: add `CondVar::notify_sync` rust: sync: add `CondVar::wait_timeout` rust/kernel/sync.rs | 2 +- rust/kernel/sync/condvar.rs | 79 +++++++++++++++++++++++++++++++++++++++++++++ rust/kernel/sync/lock.rs | 4 +-- 3 files changed, 82 insertions(+), 3 deletions(-) --- base-commit: 33cc938e65a98f1d29d0a18403dbbee050dcad9a change-id: 20231205-rb-new-condvar-methods-27ba95df5d41 Best regards, -- Alice Ryhl