From 2c2770204fd4e92cfe05bd34cd87cd78dfa4946d Mon Sep 17 00:00:00 2001
From: Alexey Rybalchenko <alexryba@gmail.com>
Date: Wed, 24 Jan 2018 12:46:04 +0100
Subject: [PATCH] Fix missing session name resize if running without
 FairMQProgOptions

---
 fairmq/shmem/FairMQTransportFactorySHM.cxx | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fairmq/shmem/FairMQTransportFactorySHM.cxx b/fairmq/shmem/FairMQTransportFactorySHM.cxx
index e0dfd6bc..dad365a5 100644
--- a/fairmq/shmem/FairMQTransportFactorySHM.cxx
+++ b/fairmq/shmem/FairMQTransportFactorySHM.cxx
@@ -35,7 +35,7 @@ FairMQ::Transport FairMQTransportFactorySHM::fTransportType = FairMQ::Transport:
 
 FairMQTransportFactorySHM::FairMQTransportFactorySHM(const string& id, const FairMQProgOptions* config)
     : FairMQTransportFactory(id)
-    , fSessionName()
+    , fSessionName("default")
     , fContext(nullptr)
     , fHeartbeatSocket(nullptr)
     , fHeartbeatThread()
@@ -62,8 +62,6 @@ FairMQTransportFactorySHM::FairMQTransportFactorySHM(const string& id, const Fai
     {
         numIoThreads = config->GetValue<int>("io-threads");
         fSessionName = config->GetValue<string>("session");
-        fSessionName.resize(8, '_'); // shorten the session name, to accommodate for name size limit on some systems (MacOS)
-        // fSegmentName = "fmq_shm_" + fSessionName + "_main";
         segmentSize = config->GetValue<size_t>("shm-segment-size");
     }
     else
@@ -71,6 +69,8 @@ FairMQTransportFactorySHM::FairMQTransportFactorySHM(const string& id, const Fai
         LOG(warn) << "FairMQProgOptions not available! Using defaults.";
     }
 
+    fSessionName.resize(8, '_'); // shorten the session name, to accommodate for name size limit on some systems (MacOS)
+
     try
     {
         fShMutex = fair::mq::tools::make_unique<bipc::named_mutex>(bipc::open_or_create, std::string("fmq_shm_" + fSessionName + "_mutex").c_str());