From afda9ce4460e4ef6014cf1de9f1ea72dcaa6cf4d Mon Sep 17 00:00:00 2001
From: Eric House <xwords@eehouse.org>
Date: Sat, 9 Dec 2017 13:30:25 -0800
Subject: [PATCH] add assertion

---
 xwords4/relay/tpool.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/xwords4/relay/tpool.cpp b/xwords4/relay/tpool.cpp
index 3ea401022..8abd16277 100644
--- a/xwords4/relay/tpool.cpp
+++ b/xwords4/relay/tpool.cpp
@@ -120,6 +120,7 @@ void
 XWThreadPool::AddSocket( SockType stype, QueueCallback proc, const AddrInfo* from )
 {
     from->ref();
+
     int sock = from->getSocket();
     logf( XW_LOGVERBOSE0, "%s(sock=%d, isTCP=%d)", __func__, sock, from->isTCP() );
     SockInfo si = { .m_type = stype,
@@ -128,6 +129,7 @@ XWThreadPool::AddSocket( SockType stype, QueueCallback proc, const AddrInfo* fro
     };
     {
         RWWriteLock ml( &m_activeSocketsRWLock );
+        assert( m_activeSockets.find( sock ) == m_activeSockets.end() );
         m_activeSockets.insert( pair<int, SockInfo>( sock, si ) );
     }
     interrupt_poll();