MPI_T_pvar_session_create, MPI_T_pvar_session_free

Create/free performance variable session

Provided by: openmpi-doc (Version: 4.0.3-0ubuntu1)
Source: openmpi
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C Syntax

#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)

DESCRIPTION

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.

ERRORS

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