Acquires in shared mode, ignoring interrupts. Implemented by
first invoking at least once {@link #tryAcquireShared},
returning on success. Otherwise the thread is queued, possibly
repeatedly blocking and unblocking, invoking {@link
#tryAcquireShared} until success.
@param arg the acquire argument. This value is conveyed to
{@link #tryAcquireShared} but is otherwise uninterpreted
and can represent anything you like.
Acquires in shared mode, ignoring interrupts. Implemented by first invoking at least once {@link #tryAcquireShared}, returning on success. Otherwise the thread is queued, possibly repeatedly blocking and unblocking, invoking {@link #tryAcquireShared} until success.
@param arg the acquire argument. This value is conveyed to {@link #tryAcquireShared} but is otherwise uninterpreted and can represent anything you like.