solana_sdk/
exit.rs

1use std::fmt;
2
3#[derive(Default)]
4pub struct Exit {
5    exited: bool,
6    exits: Vec<Box<dyn FnOnce() + Send + Sync>>,
7}
8
9impl Exit {
10    pub fn register_exit(&mut self, exit: Box<dyn FnOnce() + Send + Sync>) {
11        if self.exited {
12            exit();
13        } else {
14            self.exits.push(exit);
15        }
16    }
17
18    pub fn exit(&mut self) {
19        self.exited = true;
20        for exit in self.exits.drain(..) {
21            exit();
22        }
23    }
24}
25
26impl fmt::Debug for Exit {
27    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
28        write!(f, "{} exits", self.exits.len())
29    }
30}
solana_sdk/exit.rs

solana_sdk/
exit.rs
