Method enroll

src/thread_pool.rs:786–796

Waits for membership in the thread-pool. If the thread-pool is full (it has 32 members) this blocks.

(&'static self)

    where
        S: Spawn<M> + Send,
        S::Output: Send,
    {
        let member_data = self.get_member_data();
        let scheduler = move |job_ref, _: Option<&Worker>| {
            member_data.broadcasts[member_index].push(job_ref);
            member_data.semaphores[member_index].signal();
        };
        // SAFETY: `Spawn::spawn`'s contract requires that `!Send` work is only
        // scheduled to run on this thread. The work is `Send` here, so this is
        // vacuous.
        unsafe { work.spawn(scheduler, None) }
    }

    /// Blocks the thread waiting for a future to complete.