MPI_T_pvar_session_create.openmpi(3)

Usage

#include <mpi.h>
int MPI_T_pvar_session_create(MPI_T_pvar_session *session)
int MPI_T_pvar_session_free(MPI_T_pvar_session *session)

MPI_T_pvar_session_create, MPI_T_pvar_session_free - Create/free performance variable session

MPI_T_pvar_session_create creates a session for accessing performance variables. The new session is returned in the session parameter.

MPI_T_pvar_session_free releases a session allocated by MPI_T_pvar_session_create and sets the session parameter to MPI_T_PVAR_SESSION_NULL.

MPI_T_pvar_session_create will fail if:

`•`	`MPI_T_ERR_NOT_INITIALIZED`: The MPI Tools interface not initialized
`•`	`MPI_T_ERR_MEMORY`: Out of memory
`•`	`MPI_T_ERR_OUT_OF_SESSIONS`: No more sessions available

MPI_T_pvar_session_free will fail if:

`•`	`MPI_T_ERR_NOT_INITIALIZED`: The MPI Tools interface not initialized
`•`	`MPI_T_ERR_INVALID_SESSION`: The session parameter is not a valid session

5 releases since Debian 9 (Stretch); the text changed 4 times.