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MPI_T_cvar_write - Write the value of a bound control variable
#include <mpi.h>
int MPI_T_cvar_write(MPI_T_cvar_handle handle, const void *buf)
- handle
- Handle of the control variable to be written.
- buf
- Initial address of storage location for variable value.
MPI_T_cvar_write
sets the value the control variable identified by the handle specified
in handle from the buffer provided in buf. The caller must ensure that the
buffer specified in buf is large enough to hold the entire value of the
control variable. If the variable has global scope, any write call must
be issued on all connected MPI processes. For more information see MPI-3
[char167] 14.3.6.
MPI_T_cvar_write() will fail if:
- [MPI_T_ERR_NOT_INITIALIZED]
- The MPI Tools interface not initialized
- [MPI_T_ERR_INVALID_HANDLE]
- The
handle is invalid
- [MPI_T_ERR_CVAR_SET_NOT_NOW]
- Variable cannot be set at
this moment
- [MPI_T_ERR_CVAR_SET_NEVER]
- Variable cannot be set until end
of execution
MPI_T_cvar_handle_alloc
MPI_T_cvar_get_info
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