pub fn unix_fd_source_new<F>(
    fd: RawFd,
    condition: IOCondition,
    name: Option<&str>,
    priority: Priority,
    func: F
) -> Source where
    F: FnMut(RawFd, IOCondition) -> Continue + Send + 'static, 
This is supported on Unix only.
Expand description

Adds a closure to be called by the main loop the returned Source is attached to whenever a UNIX file descriptor reaches the given IO condition.

func will be called repeatedly while the file descriptor matches the given IO condition until it returns Continue(false).