tokio/macros/
support.rs

1cfg_macros! {
2    pub use crate::future::maybe_done::maybe_done;
3
4    pub use std::future::poll_fn;
5
6    #[doc(hidden)]
7    pub fn thread_rng_n(n: u32) -> u32 {
8        crate::runtime::context::thread_rng_n(n)
9    }
10
11    cfg_coop! {
12        #[doc(hidden)]
13        #[inline]
14        pub fn poll_budget_available(cx: &mut Context<'_>) -> Poll<()> {
15            crate::task::coop::poll_budget_available(cx)
16        }
17    }
18
19    cfg_not_coop! {
20        #[doc(hidden)]
21        #[inline]
22        pub fn poll_budget_available(_: &mut Context<'_>) -> Poll<()> {
23            Poll::Ready(())
24        }
25    }
26}
27
28pub use std::future::{Future, IntoFuture};
29pub use std::pin::Pin;
30pub use std::task::{Context, Poll};