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Put a username in the path

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paboyle 2018-03-20 18:16:15 +00:00
parent b1a38bde7a
commit 954e38bebe
1 changed files with 3 additions and 1 deletions
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4
lib/communicator/SharedMemoryMPI.cc
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@ -27,6 +27,7 @@ Author: Peter Boyle <paboyle@ph.ed.ac.uk>
/* END LEGAL */ /* END LEGAL */
#include <Grid/GridCore.h> #include <Grid/GridCore.h>
#include <pwd.h>
namespace Grid { namespace Grid {
@ -288,7 +289,8 @@ void GlobalSharedMemory::SharedMemoryAllocate(uint64_t bytes, int flags)
size_t size = bytes; size_t size = bytes;
sprintf(shm_name,"/myGrid_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);
shm_unlink(shm_name); shm_unlink(shm_name);
int fd=shm_open(shm_name,O_RDWR|O_CREAT,0666); int fd=shm_open(shm_name,O_RDWR|O_CREAT,0666);