first commit

.devcontainer/scripts/process-helpers.sh

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+#!/bin/bash
+# Shared process management helpers.
+# Sourced by load-aliases.sh and start-netbox.sh.
+
+# Graceful termination: SIGTERM, wait, then SIGKILL if still alive.
+graceful_kill_pid() {
+  local pid="$1"
+  kill -15 "$pid" 2>/dev/null || true
+  sleep 2
+  kill -0 "$pid" 2>/dev/null && kill -9 "$pid" 2>/dev/null || true
+}
+
+graceful_kill_pattern() {
+  local pattern="$1"
+  pkill -15 -f "$pattern" 2>/dev/null || true
+  sleep 2
+  pgrep -f "$pattern" >/dev/null 2>&1 && pkill -9 -f "$pattern" 2>/dev/null || true
+}
+
+# Verify a PID matches the expected process before killing it
+is_expected_pid() {
+  local pid="$1" pattern="$2"
+  ps -p "$pid" -o args= 2>/dev/null | grep -Eq "$pattern"
+}