petsc-3.14.5 2021-03-03
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# PetscGetTmp

Gets the name of the tmp directory

### Synopsis

    PetscErrorCode  PetscGetTmp(MPI_Comm comm,char dir[],size_t len)

Collective

### Input Parameters

| comm | - MPI_Communicator that may share /tmp
| len | - length of string to hold name

### Output Parameters

| dir | - directory name

### Options Database Keys

| -shared_tmp
| -not_shared_tmp
| -tmp tmpdir

### Environmental Variables

| PETSC_SHARED_TMP
| PETSC_NOT_SHARED_TMP
| PETSC_TMP

If the environmental variable PETSC_TMP is set it will use this directory as the "/tmp" directory.

### Level

developer

### Location

src/sys/fileio/fretrieve.c
Index of all Sys routines
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Index of all manual pages