diff options
Diffstat (limited to 'core/resources.rs')
| -rw-r--r-- | core/resources.rs | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/core/resources.rs b/core/resources.rs index a4bb3607d..82b079201 100644 --- a/core/resources.rs +++ b/core/resources.rs @@ -64,6 +64,13 @@ pub trait Resource: Any + 'static { /// resource specific clean-ups, such as cancelling pending futures, after a /// resource has been removed from the resource table. fn close(self: Rc<Self>) {} + + /// Resources backed by a file descriptor can let ops know to allow for + /// low-level optimizations. + #[cfg(unix)] + fn backing_fd(self: Rc<Self>) -> Option<std::os::unix::prelude::RawFd> { + None + } } impl dyn Resource { |