:orphan:
# PetscShmCommLocalToGlobal
Given a local rank in the shared memory communicator returns the global rank 
## Synopsis
```
#include "petscsys.h"  
PetscErrorCode PetscShmCommLocalToGlobal(PetscShmComm pshmcomm, PetscMPIInt lrank, PetscMPIInt *grank)
```

## Input Parameters

- ***pshmcomm -*** the shared memory communicator object
- ***lrank    -*** the local rank in the shared memory communicator



## Output Parameter

- ***grank -*** the global rank in the global communicator where the shared memory communicator is built





## See Also
 `PetscShmCommGlobalToLocal()`, `PetscShmCommGet()`, `PetscShmCommGetMpiShmComm()`

## Level
developer

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/sys/utils/mpishm.c.html#PetscShmCommLocalToGlobal">src/sys/utils/mpishm.c</A>


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