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MPI_T_cvar_read - Read the value of a control variable
#include <mpi.h>
int MPI_T_cvar_read(MPI_T_cvar_handle handle, const void *buf)
- handle
- Handle of the control variable to be read.
- buf
- Initial
address of storage location for variable value.
MPI_T_cvar_read
reads the value of the control variable identified by the handle specified
in handle and stores the value in the buffer pointed to by buf. The caller
must ensure that the buffer pointed to by buf is large enough to hold the
entire value of the control variable.
MPI_T_cvar_read() 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_cvar_handle_alloc
MPI_T_cvar_get_info
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