Lines Matching full:shared

52 .Nd kernel shared/exclusive lock
100 Shared/exclusive locks are used to protect data that are read far more often
102 Shared/exclusive locks do not implement priority propagation like mutexes and
104 shared/exclusive locks should be used prudently.
106 Shared/exclusive locks are created with either
117 shared/exclusive lock.
151 Shared/exclusive locks are destroyed with
157 Threads acquire and release a shared lock by calling
175 A thread can attempt to upgrade a currently held shared lock to an exclusive
178 A thread that has an exclusive lock can downgrade it to a shared lock by
185 will return 0 if the shared/exclusive lock cannot be acquired immediately;
186 otherwise the shared/exclusive lock will be acquired and a non-zero value will
190 will return 0 if the shared lock cannot be upgraded to an exclusive lock
201 A thread can atomically release a shared/exclusive lock while waiting for an
222 Assert that the current thread has either a shared or an exclusive lock on the
226 Assert that the current thread has a shared lock on the
300 A thread may not hold both a shared lock and an exclusive lock on the same
304 A thread may hold a shared or exclusive lock on an
326 cannot assert whether the current thread does or does not hold a shared lock.
332 thread holds a shared lock.
333 They cannot ensure that the current thread holds a shared lock.