From 52731ba1216055ab1c1380ee4f3cc63b42bfae26 Mon Sep 17 00:00:00 2001
From: Levi Neuwirth <ln@levineuwirth.org>
Date: Sat, 25 Jul 2026 21:30:23 -0400
Subject: [PATCH] style: pass Errno by value (clippy pedantic)

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01HZjWMjwPXhPbt9upku9mCk
---
 src/process.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/process.rs b/src/process.rs
index 88fb42e..1453e10 100644
--- a/src/process.rs
+++ b/src/process.rs
@@ -810,7 +810,7 @@ fn observe_leader(proc: &mut ManagedProcess) -> LeaderObservation {
 fn signal_failure_report(
     target: SignalTarget,
     leader_pid: u32,
-    errno: &nix::errno::Errno,
+    errno: nix::errno::Errno,
     leader: &LeaderObservation,
 ) -> String {
     let expected = if target.source.is_group() {
@@ -1074,7 +1074,7 @@ impl ProcessSupervisor {
             // disposition is unchanged — this still returns `Err`,
             // with no state transition and no ledger arming.
             let leader = observe_leader(proc);
-            return Err(signal_failure_report(target, pid, &errno, &leader));
+            return Err(signal_failure_report(target, pid, errno, &leader));
         }
         if matches!(signal, Signal::SIGTERM | Signal::SIGKILL | Signal::SIGHUP) {
             proc.state = ProcessState::Exiting {