Update to nix-0.28

While at it, use std::os::fd::owned::OwnedFd instead of custom implementation.

Cargo.toml

@@ -17,7 +17,7 @@ categories = ["hardware-support"]
 [target."cfg(unix)".dependencies]
 bitflags = "2.4.0"
 cfg-if = "1.0.0"
-nix = { version = "0.26", default-features = false, features = ["fs", "ioctl", "poll", "signal", "term"] }
+nix = { version = "0.28", default-features = false, features = ["fs", "ioctl", "poll", "signal", "term"] }
 
 [target.'cfg(all(target_os = "linux", not(target_env = "musl")))'.dependencies]
 libudev = { version = "0.3.0", optional = true }

src/posix/poll.rs

@@ -1,7 +1,7 @@
 #![allow(non_camel_case_types, dead_code)]
 
 use std::io;
-use std::os::unix::io::RawFd;
+use std::os::fd::AsFd;
 use std::slice;
 use std::time::Duration;
 
@@ -11,18 +11,18 @@ use nix::sys::signal::SigSet;
 #[cfg(target_os = "linux")]
 use nix::sys::time::{TimeSpec, TimeValLike};
 
-pub fn wait_read_fd(fd: RawFd, timeout: Duration) -> io::Result<()> {
+pub fn wait_read_fd<F: AsFd>(fd: F, timeout: Duration) -> io::Result<()> {
     wait_fd(fd, PollFlags::POLLIN, timeout)
 }
 
-pub fn wait_write_fd(fd: RawFd, timeout: Duration) -> io::Result<()> {
+pub fn wait_write_fd<F: AsFd>(fd: F, timeout: Duration) -> io::Result<()> {
     wait_fd(fd, PollFlags::POLLOUT, timeout)
 }
 
-fn wait_fd(fd: RawFd, events: PollFlags, timeout: Duration) -> io::Result<()> {
+fn wait_fd<F: AsFd>(fd: F, events: PollFlags, timeout: Duration) -> io::Result<()> {
     use nix::errno::Errno::{EIO, EPIPE};
 
-    let mut fd = PollFd::new(fd, events);
+    let mut fd = PollFd::new(fd.as_fd(), events);
 
     let milliseconds =
         timeout.as_secs() as i64 * 1000 + i64::from(timeout.subsec_nanos()) / 1_000_000;