From a743381d8cbd3b1ac5bbf5feda8e3a690b2779b3 Mon Sep 17 00:00:00 2001
From: Nav <nav@navnav.me>
Date: Mon, 28 Mar 2022 20:33:17 +0100
Subject: [PATCH] Const-correctness for EpollInstance RAII wrapper

---
 src/Helpers/EpollInstance.cpp | 2 +-
 src/Helpers/EpollInstance.hpp | 4 +++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/Helpers/EpollInstance.cpp b/src/Helpers/EpollInstance.cpp
index d2adea14..6da8962b 100644
--- a/src/Helpers/EpollInstance.cpp
+++ b/src/Helpers/EpollInstance.cpp
@@ -46,7 +46,7 @@ namespace Bloom
         }
     }
 
-    std::optional<int> EpollInstance::waitForEvent(std::optional<std::chrono::milliseconds> timeout) {
+    std::optional<int> EpollInstance::waitForEvent(std::optional<std::chrono::milliseconds> timeout) const {
         std::array<struct epoll_event, 1> events = {};
 
         const auto eventCount = ::epoll_wait(
diff --git a/src/Helpers/EpollInstance.hpp b/src/Helpers/EpollInstance.hpp
index 278a1678..1712ae93 100644
--- a/src/Helpers/EpollInstance.hpp
+++ b/src/Helpers/EpollInstance.hpp
@@ -48,7 +48,9 @@ namespace Bloom
          * @return
          *  The file descriptor of the file for which the event occurred, or std::nullopt if a timeout was reached.
          */
-        std::optional<int> waitForEvent(std::optional<std::chrono::milliseconds> timeout = std::nullopt);
+        [[nodiscard]] std::optional<int> waitForEvent(
+            std::optional<std::chrono::milliseconds> timeout = std::nullopt
+        ) const;
 
         /*
          * EpollInstance objects should not be copied.