gstreamer-rs/gstreamer/src/bus_unix.rs

48 lines
1.3 KiB
Rust

// Copyright (C) 2016-2018 Sebastian Dröge <sebastian@centricular.com>
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
#[macro_use]
cfg_if! {
if #[cfg(unix)] {
use ffi;
use glib_ffi;
use glib::translate::ToGlibPtr;
use std::mem;
use std::os::unix;
} else if #[cfg(feature = "dox")] {
// Declare a fake RawFd for doc generation on windows
pub mod unix {
pub mod io {
pub struct RawFd{}
}
}
}
}
use super::Bus;
pub trait UnixBusExtManual: 'static {
fn get_pollfd(&self) -> unix::io::RawFd;
}
impl UnixBusExtManual for Bus {
/// This is supported on **Unix** only.
fn get_pollfd(&self) -> unix::io::RawFd {
#[cfg(unix)]
unsafe {
let mut pollfd: glib_ffi::GPollFD = mem::zeroed();
ffi::gst_bus_get_pollfd(self.to_glib_none().0, &mut pollfd);
pollfd.fd
}
#[cfg(all(not(unix), feature = "dox"))]
unix::io::RawFd {}
}
}