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io: add Send / Sync impls for ReadHalf / WriteHalf (#1525)

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This commit is contained in:
Carl Lerche 2019-08-31 12:18:55 -07:00 committed by GitHub
parent 26432355d5
commit 431d4857e8
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2 changed files with 14 additions and 0 deletions
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5
tokio-io/src/split.rs
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@ -160,6 +160,11 @@ impl<T> Drop for Guard<'_, T> {
} }
} }
unsafe impl<T: Send> Send for ReadHalf<T> {}
unsafe impl<T: Send> Send for WriteHalf<T> {}
unsafe impl<T: Sync> Sync for ReadHalf<T> {}
unsafe impl<T: Sync> Sync for WriteHalf<T> {}
impl<T: fmt::Debug> fmt::Debug for ReadHalf<T> { impl<T: fmt::Debug> fmt::Debug for ReadHalf<T> {
fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result { fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
fmt.debug_struct("split::ReadHalf").finish() fmt.debug_struct("split::ReadHalf").finish()

9
tokio-io/tests/split.rs
View File

@ -1,4 +1,5 @@
use tokio::io::{split, AsyncRead, AsyncWrite}; use tokio::io::{split, AsyncRead, AsyncWrite};
use tokio_io::split::{ReadHalf, WriteHalf};
use std::io; use std::io;
use std::pin::Pin; use std::pin::Pin;
@ -34,6 +35,14 @@ impl AsyncWrite for RW {
} }
} }
#[test]
fn is_send_and_sync() {
fn assert_bound<T: Send + Sync>() {}
assert_bound::<ReadHalf<RW>>();
assert_bound::<WriteHalf<RW>>();
}
#[test] #[test]
fn unsplit_ok() { fn unsplit_ok() {
let (r, w) = split(RW); let (r, w) = split(RW);