From 35da4ece0b5ee91cdd056c401260f22bededff80 Mon Sep 17 00:00:00 2001
From: paboyle <paboyle@ph.ed.ac.uk>
Date: Wed, 5 Apr 2017 02:18:15 +0900
Subject: [PATCH] UID fix

---
 lib/communicator/Communicator_mpi3.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/communicator/Communicator_mpi3.cc b/lib/communicator/Communicator_mpi3.cc
index 7685768c..6e40142c 100644
--- a/lib/communicator/Communicator_mpi3.cc
+++ b/lib/communicator/Communicator_mpi3.cc
@@ -203,7 +203,7 @@ void CartesianCommunicator::Init(int *argc, char ***argv) {
 
       size_t size = CartesianCommunicator::MAX_MPI_SHM_BYTES;
 
-      sprintf(shm_name,"/Grid_mpi3_shm_%d_%d",GroupRank,r);
+      sprintf(shm_name,"/Grid_mpi3_uid%d_shm_%d_%d",getuid(),GroupRank,r);
 
       shm_unlink(shm_name);
       int fd=shm_open(shm_name,O_RDWR|O_CREAT,0660);
@@ -224,7 +224,7 @@ void CartesianCommunicator::Init(int *argc, char ***argv) {
     for(int r=0;r<ShmSize;r++){
       size_t size = CartesianCommunicator::MAX_MPI_SHM_BYTES ;
     
-      sprintf(shm_name,"/Grid_mpi3_shm_%d_%d",GroupRank,r);
+      sprintf(shm_name,"/Grid_mpi3_uid%d_shm_%d_%d",getuid(),GroupRank,r);
 
       int fd=shm_open(shm_name,O_RDWR,0660);
       if ( fd<0 ) {	perror("failed shm_open");	assert(0);      }