impl Send and Sync for IoVec

nix-rust · Dec 21, 2021 · 1b6a9b3 · 1b6a9b3
1 parent 1dcc582
commit 1b6a9b3
Show file tree

Hide file tree

Showing 2 changed files with 8 additions and 0 deletions.
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -6,6 +6,9 @@ This project adheres to [Semantic Versioning](https://semver.org/).
 ## [Unreleased] - ReleaseDate
 ### Added
 
+- `sys::uio::IoVec` is now `Send` and `Sync`
+  (#[1582](https://github.com/nix-rust/nix/pull/1582))
+
 - Added fine-grained features flags.  Most Nix functionality can now be
   conditionally enabled.  By default, all features are enabled.
   (#[1611](https://github.com/nix-rust/nix/pull/1611))

diff --git a/src/sys/uio.rs b/src/sys/uio.rs
@@ -228,3 +228,8 @@ impl<'a> IoVec<&'a mut [u8]> {
         }, PhantomData)
     }
 }
+
+// The only reason IoVec isn't automatically Send+Sync is because libc::iovec
+// contains raw pointers.
+unsafe impl<T> Send for IoVec<T> where T: Send {}
+unsafe impl<T> Sync for IoVec<T> where T: Sync {}