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-rw-r--r--src/tools/miri/src/shims/unix/linux/epoll.rs2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/tools/miri/src/shims/unix/linux/epoll.rs b/src/tools/miri/src/shims/unix/linux/epoll.rs
index 82e0bffff77..5161d91ca36 100644
--- a/src/tools/miri/src/shims/unix/linux/epoll.rs
+++ b/src/tools/miri/src/shims/unix/linux/epoll.rs
@@ -35,6 +35,8 @@ impl FileDescriptor for Epoll {
     }
 
     fn dup(&mut self) -> io::Result<Box<dyn FileDescriptor>> {
+        // FIXME: this is probably wrong -- check if the `dup`ed descriptor truly uses an
+        // independent event set.
         Ok(Box::new(self.clone()))
     }