NAME¶
MPI_T_pvar_session_create, MPI_T_pvar_session_free - Create/free
performance variable session
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
