380     MPI_Comm        wcomm;  in PetscSFWindowAttach()  local
385     wcomm = w->window_comm;  in PetscSFWindowAttach()
388     PetscCheck(w->dynsf, wcomm, PETSC_ERR_ORDER, "Must call PetscSFSetUp()");  in PetscSFWindowAttach()
434   MPI_Comm        wcomm;  in PetscSFGetWindow()  local
440   wcomm    = w->window_comm;  in PetscSFGetWindow()
462         PetscCallMPI(MPIU_Allreduce(matches, all_matches, 2, MPIU_INT, MPI_MAX, wcomm));  in PetscSFGetWindow()
464         PetscCheck(all_matches[0] == all_matches[1], wcomm, PETSC_ERR_ARG_INCOMP,  in PetscSFGetWindow()
470 …PetscCheck(!link->inuse, wcomm, PETSC_ERR_ARG_WRONGSTATE, "Communication already in progress on pe…  in PetscSFGetWindow()
471 …PetscCheck(!epoch || !link->epoch, wcomm, PETSC_ERR_ARG_WRONGSTATE, "Communication epoch already o…  in PetscSFGetWindow()
472 …PetscCheck(bytes == link->bytes, wcomm, PETSC_ERR_ARG_WRONGSTATE, "Wrong data type for persistent …  in PetscSFGetWindow()
491 … comm %" PETSC_INTPTR_T_FMT "\n", (PETSC_INTPTR_T)link->win, link->flavor, (PETSC_INTPTR_T)wcomm));  in PetscSFGetWindow()
512     PetscCallMPI(MPI_Win_create(rootdata, wsize, (PetscMPIInt)bytes, w->info, wcomm, &link->win));  in PetscSFGetWindow()
517     PetscCallMPI(MPI_Win_create_dynamic(w->info, wcomm, &link->win));  in PetscSFGetWindow()
521 …PetscCallMPI(MPI_Win_allocate(wsize, (PetscMPIInt)bytes, w->info, wcomm, &link->addr, &link->win));  in PetscSFGetWindow()
527 …PetscCallMPI(MPI_Win_allocate_shared(wsize, (PetscMPIInt)bytes, w->info, wcomm, &link->addr, &link…  in PetscSFGetWindow()
532     SETERRQ(wcomm, PETSC_ERR_SUP, "No support for flavor %s", PetscSFWindowFlavorTypes[w->flavor]);  in PetscSFGetWindow()
534 … comm %" PETSC_INTPTR_T_FMT "\n", (PETSC_INTPTR_T)link->win, link->flavor, (PETSC_INTPTR_T)wcomm));  in PetscSFGetWindow()
544     PetscCallMPI(MPI_Comm_rank(wcomm, &rank));  in PetscSFGetWindow()
580       SETERRQ(wcomm, PETSC_ERR_PLIB, "Unknown synchronization type");  in PetscSFGetWindow()
658   MPI_Comm                wcomm;  in PetscSFRestoreWindow()  local
662   wcomm = w->window_comm;  in PetscSFRestoreWindow()
685 … comm %" PETSC_INTPTR_T_FMT "\n", (PETSC_INTPTR_T)link->win, link->flavor, (PETSC_INTPTR_T)wcomm));  in PetscSFRestoreWindow()
711       SETERRQ(wcomm, PETSC_ERR_PLIB, "Unknown synchronization type");  in PetscSFRestoreWindow()
826   MPI_Comm        wcomm;  in PetscSFReset_Window()  local
841   wcomm    = w->window_comm;  in PetscSFReset_Window()
846 …PetscCheck(!wlink->inuse, wcomm, PETSC_ERR_ARG_WRONGSTATE, "Window still in use with address %p", …  in PetscSFReset_Window()
880     MPI_Comm wcomm = w->window_comm;  in PetscSFRegisterPersistent_Window()  local
881     PetscCallMPI(MPI_Win_create_dynamic(w->info, wcomm, &link->win));  in PetscSFRegisterPersistent_Window()
905   MPI_Comm        wcomm;  in PetscSFDeregisterPersistent_Window()  local
913   wcomm    = w->window_comm;  in PetscSFDeregisterPersistent_Window()
919 …PetscCheck(!link->inuse, wcomm, PETSC_ERR_ARG_WRONGSTATE, "Deregistering a window when communicati…  in PetscSFDeregisterPersistent_Window()
920 …PetscCheck(!link->epoch, wcomm, PETSC_ERR_ARG_WRONGSTATE, "Deregistering a window with an unconclu…  in PetscSFDeregisterPersistent_Window()