Use SO_LINGER_SEC on macOS for TcpSocket::set/get_linger

Author: Thomasdezeeuw

Cargo.toml

@@ -53,7 +53,7 @@ os-util = ["os-ext"]# Replaced with "os-ext" feature.
 log = "0.4.8"
 
 [target.'cfg(unix)'.dependencies]
-libc = "0.2.82"
+libc = "0.2.86"
 
 [target.'cfg(windows)'.dependencies]
 miow   = "0.3.6"

src/sys/unix/tcp.rs

@@ -140,6 +140,9 @@ pub(crate) fn set_linger(socket: TcpSocket, dur: Option<Duration>) -> io::Result
     syscall!(setsockopt(
         socket,
         libc::SOL_SOCKET,
+        #[cfg(target_vendor = "apple")]
+        libc::SO_LINGER_SEC,
+        #[cfg(not(target_vendor = "apple"))]
         libc::SO_LINGER,
         &val as *const libc::linger as *const libc::c_void,
         size_of::<libc::linger>() as libc::socklen_t,
@@ -154,6 +157,9 @@ pub(crate) fn get_linger(socket: TcpSocket) -> io::Result<Option<Duration>> {
     syscall!(getsockopt(
         socket,
         libc::SOL_SOCKET,
+        #[cfg(target_vendor = "apple")]
+        libc::SO_LINGER_SEC,
+        #[cfg(not(target_vendor = "apple"))]
         libc::SO_LINGER,
         &mut val as *mut _ as *mut _,
         &mut len,