Production sysctl_tuning hardening and upgrade-safe defaults

traffic_core/src/lock.rs

@@ -71,6 +71,7 @@ impl Drop for FileLock {
     }
 }
 
+#[cfg(unix)]
 fn is_stale_lock(path: &Path) -> anyhow::Result<bool> {
     let pid_raw = fs::read_to_string(path)?;
     let pid = match pid_raw.trim().parse::<u32>() {
@@ -82,6 +83,11 @@ fn is_stale_lock(path: &Path) -> anyhow::Result<bool> {
     Ok(!Path::new(&proc_path).exists())
 }
 
+#[cfg(not(unix))]
+fn is_stale_lock(_path: &Path) -> anyhow::Result<bool> {
+    Ok(false)
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;