From 19d1724188401bff3f1bd76498b123fa0c7762b2 Mon Sep 17 00:00:00 2001
From: mutouyun <orz@orzz.org>
Date: Tue, 12 Feb 2019 23:31:02 +0800
Subject: [PATCH] wait_if should return a value

---
 src/platform/waiter_linux.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/platform/waiter_linux.h b/src/platform/waiter_linux.h
index f107ab1..3cf3eb2 100644
--- a/src/platform/waiter_linux.h
+++ b/src/platform/waiter_linux.h
@@ -176,8 +176,7 @@ public:
         IPC_UNUSED_ auto guard = unique_ptr(&counter_, [](decltype(counter_)* c) {
             c->fetch_sub(1, std::memory_order_release);
         });
-        sem_.wait_if(std::forward<F>(pred));
-        return true;
+        return sem_.wait_if(std::forward<F>(pred));
     }
 
     void notify(handle_t h) {