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21 changes: 16 additions & 5 deletions src/socket.rs
Original file line number Diff line number Diff line change
Expand Up @@ -1404,11 +1404,22 @@ impl Socket {
impl Socket {
/// Get the value of the `TCP_KEEPIDLE` option on this socket.
///
/// This returns the value of `SO_KEEPALIVE` on OpenBSD and Haiku,
/// `TCP_KEEPALIVE` on macOS and iOS, and `TCP_KEEPIDLE` on all other Unix
/// operating systems.
#[cfg(any(doc, all(feature = "all", not(windows))))]
#[cfg_attr(docsrs, doc(cfg(all(feature = "all", not(windows)))))]
/// This returns the value of `TCP_KEEPALIVE` on macOS and iOS and `TCP_KEEPIDLE` on all other
/// supported Unix operating systems.
#[cfg(any(
doc,
all(
feature = "all",
not(any(windows, target_os = "haiku", target_os = "openbsd"))
)
))]
#[cfg_attr(
docsrs,
doc(cfg(all(
feature = "all",
not(any(windows, target_os = "haiku", target_os = "openbsd"))
)))
)]
pub fn keepalive_time(&self) -> io::Result<Duration> {
sys::keepalive_time(self.as_raw())
}
Expand Down
1 change: 1 addition & 0 deletions src/sys/unix.rs
Original file line number Diff line number Diff line change
Expand Up @@ -866,6 +866,7 @@ fn into_timeval(duration: Option<Duration>) -> libc::timeval {
}

#[cfg(feature = "all")]
#[cfg(not(any(target_os = "haiku", target_os = "openbsd")))]
pub(crate) fn keepalive_time(fd: Socket) -> io::Result<Duration> {
unsafe {
getsockopt::<c_int>(fd, IPPROTO_TCP, KEEPALIVE_TIME)
Expand Down
5 changes: 4 additions & 1 deletion tests/socket.rs
Original file line number Diff line number Diff line change
Expand Up @@ -729,7 +729,10 @@ fn tcp_keepalive() {
// Set the parameters.
socket.set_tcp_keepalive(&params).unwrap();

#[cfg(all(feature = "all", not(windows)))]
#[cfg(all(
feature = "all",
not(any(windows, target_os = "haiku", target_os = "openbsd"))
))]
assert_eq!(socket.keepalive_time().unwrap(), Duration::from_secs(200));

#[cfg(all(
Expand Down