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MPI_T_pvar_handle_alloc(3)            MPI           MPI_T_pvar_handle_alloc(3)


NAME

       MPI_T_pvar_handle_alloc -  Allocate a handle for a performance variable


SYNOPSIS

       int MPI_T_pvar_handle_alloc(MPI_T_pvar_session session, int pvar_index,
                                   void *obj_handle, MPI_T_pvar_handle *handle, int *count)


INPUT PARAMETERS

       session
              - identifier of performance experiment session (handle)
       pvar_index
              - index of performance variable for which handle is to be
              allocated (integer)
       obj_handle
              - reference to a handle of the MPI object to which this variable
              is supposed to be bound (pointer)


OUTPUT PARAMETERS

       handle - allocated handle (handle)
       count  - number of elements used to represent this variable (integer)


THREAD AND INTERRUPT SAFETY

       This routine is thread-safe.  This means that this routine may be
       safely used by multiple threads without the need for any user-provided
       thread locks.  However, the routine is not interrupt safe.  Typically,
       this is due to the use of memory allocation routines such as malloc or
       other non-MPICH runtime routines that are themselves not interrupt-
       safe.


ERRORS

       All MPI routines (except MPI_Wtime and MPI_Wtick ) return an error
       value; C routines as the value of the function and Fortran routines in
       the last argument.  Before the value is returned, the current MPI error
       handler is called.  By default, this error handler aborts the MPI job.
       The error handler may be changed with MPI_Comm_set_errhandler (for
       communicators), MPI_File_set_errhandler (for files), and
       MPI_Win_set_errhandler (for RMA windows).  The MPI-1 routine
       MPI_Errhandler_set may be used but its use is deprecated.  The
       predefined error handler MPI_ERRORS_RETURN may be used to cause error
       values to be returned.  Note that MPI does not guarentee that an MPI
       program can continue past an error; however, MPI implementations will
       attempt to continue whenever possible.

       MPI_SUCCESS
              - No error; MPI routine completed successfully.
       MPI_T_ERR_NOT_INITIALIZED
              - The MPI tool information interface is not initialized.
       MPI_T_ERR_INVALID_SESSION
              - Session argument is not valid.
       MPI_T_ERR_INVALID_INDEX
              - Index is invalid or has been deleted.
       MPI_T_ERR_OUT_OF_HANDLES
              - No more handles available.

                                   11/9/2015        MPI_T_pvar_handle_alloc(3)

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