From 686f15ae4f0c671608fe2109678787fc1b7f4415 Mon Sep 17 00:00:00 2001
From: Miguel Company <MiguelCompany@eprosima.com>
Date: Thu, 6 Feb 2020 16:47:50 +0100
Subject: [PATCH] Refs #7478. Protecting against spurious wakeup

---
 src/cpp/rtps/messages/SendBuffersManager.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/cpp/rtps/messages/SendBuffersManager.cpp b/src/cpp/rtps/messages/SendBuffersManager.cpp
index ff4218723fd..9b9215128b1 100644
--- a/src/cpp/rtps/messages/SendBuffersManager.cpp
+++ b/src/cpp/rtps/messages/SendBuffersManager.cpp
@@ -80,7 +80,7 @@ std::unique_ptr<RTPSMessageGroup_t> SendBuffersManager::get_buffer(
 
     std::unique_ptr<RTPSMessageGroup_t> ret_val;
 
-    if (pool_.empty())
+    while (pool_.empty())
     {
         if (allow_growing_ || n_created_ < pool_.capacity())
         {
@@ -88,8 +88,8 @@ std::unique_ptr<RTPSMessageGroup_t> SendBuffersManager::get_buffer(
         }
         else
         {
+            logInfo(RTPS_PARTICIPANT, "Waiting for send buffer");
             available_cv_.wait(lock);
-            assert(!pool_.empty());
         }
     }