pub fn ping(&self) {
        if let Err(e) = write(self.pipe.0, &[0u8]) {
            log::warn!("[calloop] Failed to write a ping: {:?}", e);
        }
    }
/// Send a ping to the `PingSource`
Send a ping to the `PingSource`
Send a ping to the ` PingSource `
pub fn ping(&self) {
        if let Err(e) = write(self.pipe.0, &[0u8]) {
            log::warn!("[calloop] Failed to write a ping: {:?}", e);
        }
    }
pub fn ping ( & self ) { if let Err ( e ) = write ( self . pipe . 0 , & [ 0u8 ] ) { log :: warn ! ( " " e ) ; } }
Send a ping to the `PingSource`
Send a ping to the ` PingSource `
&self
&self