PetscShmCommGetMpiShmComm#

Returns the MPI communicator that represents all processes with common shared memory

Synopsis#

#include "petscsys.h"  
PetscErrorCode PetscShmCommGetMpiShmComm(PetscShmComm pshmcomm, MPI_Comm *comm)

Input Parameter#

pshmcomm - PetscShmComm object obtained with PetscShmCommGet()

Output Parameter#

comm - the MPI communicator

See Also#

PetscShmCommGlobalToLocal(), PetscShmCommGet(), PetscShmCommLocalToGlobal()

Level#

developer

Location#

src/sys/utils/mpishm.c

Index of all Sys routines
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Index of all manual pages