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MPI_T_pvar_write - Write the value of a control variable
#include <mpi.h>
int MPI_T_pvar_write(MPI_T_pvar_session session, MPI_T_pvar_handle handle,
const void *buf)
- session
- Performance experiment session.
- handle
- Performance
variable handle.
- buf
- Initial address of storage location for variable value.
MPI_T_pvar_write attempts to set the value of the performance
variable identified by the handle specified in handle in the session specified
in session. The value to be written is specified in buf. The caller must
ensure that the buffer specified in buf is large enough to hold the entire
value of the performance variable.
MPI_T_pvar_write() will fail if:
- [MPI_T_ERR_NOT_INITIALIZED]
- The MPI Tools interface not initialized
- [MPI_T_ERR_INVALID_HANDLE]
- The handle is invalid or not associated with the session
- [MPI_T_ERR_INVALID_SESSION]
- Session argument is not a valid session
- [MPI_T_ERR_PVAR_NO_WRITE]
- Variable
cannot be written
MPI_T_pvar_handle_alloc
MPI_T_pvar_get_info
MPI_T_pvar_session_create
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