From a220fb3d11f1b5e3a62e4c864a179d233a05bda1 Mon Sep 17 00:00:00 2001
From: Alexandr Gavriliuc <Alexandr_Gavriliuc@comcast.com>
Date: Wed, 24 Jul 2019 15:34:35 +0300
Subject: [PATCH] Limit looped continuations in rtSendDocument()

---
 src/rtRemoteSocketUtils.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/rtRemoteSocketUtils.cpp b/src/rtRemoteSocketUtils.cpp
index c640031..6d8f13d 100644
--- a/src/rtRemoteSocketUtils.cpp
+++ b/src/rtRemoteSocketUtils.cpp
@@ -396,10 +396,14 @@ rtSendDocument(rapidjson::Document const& doc, int fd, sockaddr_storage const* d
     flags = MSG_NOSIGNAL;
     #endif
 
+    int limit = 100;
     while (sendmsg (fd, &msg, flags) < 0)
     {
-      if (errno == EINTR)
+      if ((errno == EINTR) && --limit)
+      {
+        rtLogWarn("sending message interrupted, repeating. %d attempts left", limit);
         continue;
+      }
       rtError e = rtErrorFromErrno(errno);
       rtLogError("failed to send message. %s", rtStrError(e));
       return e;