From 8e070076fc4cadea4905af5fd5b6abed0d0d5aa7 Mon Sep 17 00:00:00 2001
From: mutouyun <orz@orzz.org>
Date: Fri, 4 Feb 2022 16:44:44 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B6=88=E9=99=A4vs=E7=BC=96=E8=AF=91=E6=97=B6?=
 =?UTF-8?q?=E7=9A=84warning?=
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---
 src/libipc/waiter.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/libipc/waiter.h b/src/libipc/waiter.h
index 2e13dc3..ce4e592 100644
--- a/src/libipc/waiter.h
+++ b/src/libipc/waiter.h
@@ -62,12 +62,12 @@ public:
     }
 
     bool notify() noexcept {
-        std::lock_guard<ipc::sync::mutex>{lock_}; // barrier
+        { IPC_UNUSED_ std::lock_guard<ipc::sync::mutex> guard{lock_}; } // barrier
         return cond_.notify(lock_);
     }
 
     bool broadcast() noexcept {
-        std::lock_guard<ipc::sync::mutex>{lock_}; // barrier
+        { IPC_UNUSED_ std::lock_guard<ipc::sync::mutex> guard{lock_}; } // barrier
         return cond_.broadcast(lock_);
     }