Avoid using std::deque with incomplete type

Only some containers are allowed by the standard to be declared with
incomplete types, deque is not, for vector it is ok.

1 files changed, 5 insertions, 3 deletions

diff --git a/src/message.cpp b/src/message.cpp
index 349accb..cda2fa7 100644
--- a/src/message.cpp
+++ b/src/message.cpp
@@ -520,13 +520,15 @@ void DirectMessageService::doSyncWithPeers()
 			continue;
 		}
 
-		auto & [ thread, peer ] = peerSyncQueue.front();
+		decltype(peerSyncQueue) queue;
+		std::swap(queue, peerSyncQueue);
+
 		lock.unlock();
 
-		doSyncWithPeer(thread, peer);
+		for (auto & [ thread, peer ] : queue)
+			doSyncWithPeer(thread, peer);
 
 		lock.lock();
-		peerSyncQueue.pop_front();
 	}
 }