squawk_thread/
taskpool.rs1use std::num::NonZeroUsize;
6
7use crossbeam_channel::Sender;
8
9use crate::{Pool, ThreadIntent};
10
11pub struct TaskPool<T> {
12 sender: Sender<T>,
13 pool: Pool,
14}
15
16impl<T> TaskPool<T> {
17 pub fn new_with_threads(sender: Sender<T>, threads: NonZeroUsize) -> TaskPool<T> {
18 TaskPool {
19 sender,
20 pool: Pool::new(threads),
21 }
22 }
23
24 pub fn spawn<F>(&mut self, intent: ThreadIntent, task: F)
25 where
26 F: FnOnce() -> T + Send + 'static,
27 T: Send + 'static,
28 {
29 self.pool.spawn(intent, {
30 let sender = self.sender.clone();
31 move || sender.send(task()).unwrap()
32 })
33 }
34
35 pub fn spawn_with_sender<F>(&mut self, intent: ThreadIntent, task: F)
36 where
37 F: FnOnce(Sender<T>) + Send + 'static,
38 T: Send + 'static,
39 {
40 self.pool.spawn(intent, {
41 let sender = self.sender.clone();
42 move || task(sender)
43 })
44 }
45
46 pub fn len(&self) -> usize {
47 self.pool.len()
48 }
49
50 pub fn is_empty(&self) -> bool {
51 self.pool.len() == 0
52 }
53}