| MPI_T_PVAR_SESSION_CREATE(3) | Open MPI | MPI_T_PVAR_SESSION_CREATE(3) |
MPI_T_pvar_session_create, MPI_T_pvar_session_free <#mpi-t-pvar-session-free> - Create/free performance variable session
SYNTAX
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 <#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 <#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
Copyright
2003-2026, The Open MPI Community
| November 1, 2026 |