From: Andrei Pavel <andrei@isc.org>
Date: Mon, 24 Oct 2022 16:46:26 +0000 (+0300)
Subject: [#2311] fix warning regarding capture of ‘this’
X-Git-Tag: Kea-2.3.2~11
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fa14bef3ce91e13304ecbab5e10008e145ce6e02;p=thirdparty%2Fkea.git

[#2311] fix warning regarding capture of ‘this’

Warning happens when NETCONF is disabled on some compilers.

warning: explicit by-copy capture of ‘this’ redundant with by-copy capture default [enabled by default]

OR

warning: explicit capture of 'this' with a capture default of '=' is a C++20 extension
---

diff --git a/src/lib/util/readwrite_mutex.h b/src/lib/util/readwrite_mutex.h
index 4a6ecfe3fa..4dd7a5e109 100644
--- a/src/lib/util/readwrite_mutex.h
+++ b/src/lib/util/readwrite_mutex.h
@@ -54,10 +54,10 @@ public:
     void writeLock() {
         std::unique_lock<std::mutex> lk(mutex_);
         // Wait until the write entered flag can be set.
-        gate1_.wait(lk, [=, this]() { return (!writeEntered()); });
+        gate1_.wait(lk, [&]() { return (!writeEntered()); });
         state_ |= WRITE_ENTERED;
         // Wait until there are no more readers.
-        gate2_.wait(lk, [=, this]() { return (readers() == 0); });
+        gate2_.wait(lk, [&]() { return (readers() == 0); });
     }
 
     /// @brief Unlock write.
@@ -74,7 +74,7 @@ public:
     void readLock() {
         std::unique_lock<std::mutex> lk(mutex_);
         // Wait if there is a writer or if readers overflow.
-        gate1_.wait(lk, [=, this]() { return (state_ < MAX_READERS); });
+        gate1_.wait(lk, [&]() { return (state_ < MAX_READERS); });
         ++state_;
     }