33 Thread support library [thread]

33.2 Requirements [thread.req]

33.2.5 Requirements for Lockable types [thread.req.lockable] Lockable requirements [thread.req.lockable.req]

A type L meets the Lockable requirements if it meets the BasicLockable requirements and the following expressions are well-formed and have the specified semantics (m denotes a value of type L).


Effects: Attempts to acquire a lock for the current execution agent without blocking. If an exception is thrown then a lock shall not have been acquired for the current execution agent.

Return type: bool.

Returns: true if the lock was acquired, false otherwise.