nix usage

Cargo.toml

@@ -42,11 +42,6 @@ url = "2"
 [target.'cfg(target_os="linux")'.dependencies]
 serde = { version = "1", features = ["derive"] }
 bincode = "1"
-nix = { version = "0.29", default-features = false, features = [
-    "fs",
-    "socket",
-    "uio",
-] }
 
 [target.'cfg(target_os="android")'.dependencies]
 android_logger = "0.14"
@@ -54,6 +49,11 @@ jni = { version = "0.21", default-features = false }
 
 [target.'cfg(unix)'.dependencies]
 daemonize = "0.5"
+nix = { version = "0.29", default-features = false, features = [
+    "fs",
+    "socket",
+    "uio",
+] }
 
 [target.'cfg(target_os = "windows")'.dependencies]
 windows-service = "0.7"

src/bin/udpgw_server.rs

@@ -180,7 +180,7 @@ pub fn parse_udp(udp_mtu: u16, data_len: usize, data: &[u8]) -> Result<(&[u8], u
 async fn process_udp(addr: SocketAddr, udp_timeout: u64, tx: Sender<Vec<u8>>, con: &mut UdpRequest) -> Result<()> {
     let std_sock = std::net::UdpSocket::bind("0.0.0.0:0")?;
     std_sock.set_nonblocking(true)?;
-    #[cfg(target_os = "linux")]
+    #[cfg(unix)]
     nix::sys::socket::setsockopt(&std_sock, nix::sys::socket::sockopt::ReuseAddr, &true)?;
     let socket = UdpSocket::from_std(std_sock)?;
     socket.send_to(&con.data, &con.server_addr).await?;

src/error.rs

@@ -6,7 +6,7 @@ pub enum Error {
     #[error(transparent)]
     Io(#[from] std::io::Error),
 
-    #[cfg(target_os = "linux")]
+    #[cfg(unix)]
     #[error("nix::errno::Errno {0:?}")]
     NixErrno(#[from] nix::errno::Errno),