From 60b57706c4bd264b39a765835d2cff0c19722bf0 Mon Sep 17 00:00:00 2001
From: Guido Cossu <guido.cossu@ed.ac.uk>
Date: Wed, 21 Mar 2018 13:57:30 +0000
Subject: [PATCH] Small bug fix in the shm file names

---
 lib/communicator/SharedMemoryMPI.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/communicator/SharedMemoryMPI.cc b/lib/communicator/SharedMemoryMPI.cc
index 8eebdc0f..d534a6d9 100644
--- a/lib/communicator/SharedMemoryMPI.cc
+++ b/lib/communicator/SharedMemoryMPI.cc
@@ -325,7 +325,8 @@ void GlobalSharedMemory::SharedMemoryAllocate(uint64_t bytes, int flags)
 
       size_t size = bytes ;
       
-      sprintf(shm_name,"/Grid_mpi3_shm_%d_%d",WorldNode,r);
+      struct passwd *pw = getpwuid (getuid());
+      sprintf(shm_name,"/Grid_%s_mpi3_shm_%d_%d",pw->pw_name,WorldNode,r);
       
       int fd=shm_open(shm_name,O_RDWR,0666);
       if ( fd<0 ) {	perror("failed shm_open");	assert(0);      }