NAME
Attributes and Cntls -
Ordering driver specific attrs and cntls.
Enumerations
enum globus_xio_ordering_cmd_t { GLOBUS_XIO_ORDERING_SET_OFFSET,
GLOBUS_XIO_ORDERING_SET_MAX_READ_COUNT,
GLOBUS_XIO_ORDERING_GET_MAX_READ_COUNT,
GLOBUS_XIO_ORDERING_SET_BUFFERING,
GLOBUS_XIO_ORDERING_GET_BUFFERING,
GLOBUS_XIO_ORDERING_SET_BUF_SIZE, GLOBUS_XIO_ORDERING_GET_BUF_SIZE,
GLOBUS_XIO_ORDERING_SET_MAX_BUF_COUNT,
GLOBUS_XIO_ORDERING_GET_MAX_BUF_COUNT }
Functions
globus_result_t globus_xio_handle_cntl (handle, driver,
GLOBUS_XIO_ORDERING_SET_OFFSET, globus_off_t offset)
globus_result_t globus_xio_attr_cntl (attr, driver,
GLOBUS_XIO_ORDERING_SET_MAX_READ_COUNT, int max_read_count)
globus_result_t globus_xio_attr_cntl (attr, driver,
GLOBUS_XIO_ORDERING_GET_MAX_READ_COUNT, int *max_read_count_out)
globus_result_t globus_xio_attr_cntl (attr, driver,
GLOBUS_XIO_ORDERING_SET_BUFFERING, globus_bool_t buffering)
globus_result_t globus_xio_attr_cntl (attr, driver,
GLOBUS_XIO_ORDERING_GET_BUFFERING, globus_bool_t *buffering_out)
globus_result_t globus_xio_attr_cntl (attr, driver,
GLOBUS_XIO_ORDERING_SET_BUF_SIZE, int buf_size)
globus_result_t globus_xio_attr_cntl (attr, driver,
GLOBUS_XIO_ORDERING_GET_BUF_SIZE, int *buf_size_out)
globus_result_t globus_xio_attr_cntl (attr, driver,
GLOBUS_XIO_ORDERING_SET_MAX_BUF_COUNT, int max_buf_count)
globus_result_t globus_xio_attr_cntl (attr, driver,
GLOBUS_XIO_ORDERING_GET_MAX_BUF_COUNT, int *max_buf_count_out)
Detailed Description
Ordering driver specific attrs and cntls.
See also:
globus_xio_attr_cntl()
globus_xio_handle_cntl()
Enumeration Type Documentation
enum globus_xio_ordering_cmd_t
ORDERING driver specific cntls.
Enumerator:
GLOBUS_XIO_ORDERING_SET_OFFSET
See usage for: globus_xio_handle_cntl .
GLOBUS_XIO_ORDERING_SET_MAX_READ_COUNT
See usage for: globus_xio_attr_cntl .
GLOBUS_XIO_ORDERING_GET_MAX_READ_COUNT
See usage for: globus_xio_attr_cntl .
GLOBUS_XIO_ORDERING_SET_BUFFERING
See usage for: globus_xio_attr_cntl .
GLOBUS_XIO_ORDERING_GET_BUFFERING
See usage for: globus_xio_attr_cntl .
GLOBUS_XIO_ORDERING_SET_BUF_SIZE
See usage for: globus_xio_attr_cntl .
GLOBUS_XIO_ORDERING_GET_BUF_SIZE
See usage for: globus_xio_attr_cntl .
GLOBUS_XIO_ORDERING_SET_MAX_BUF_COUNT
See usage for: globus_xio_attr_cntl .
GLOBUS_XIO_ORDERING_GET_MAX_BUF_COUNT
See usage for: globus_xio_attr_cntl .
Function Documentation
globus_result_t globus_xio_handle_cntl (handle, driver,
GLOBUS_XIO_ORDERING_SET_OFFSET, globus_off_t offset)
This is an overloaded member function, provided for convenience. It
differs from the above function only in what argument(s) it accepts.
Set offset for the next IO operation. This is not allowed when there is
an outstanding IO operation. This operation clears all the buffered
data.
Parameters:
offset Specifies the offset to use in the next IO operation.
globus_result_t globus_xio_attr_cntl (attr, driver,
GLOBUS_XIO_ORDERING_SET_MAX_READ_COUNT, int max_read_count)
This is an overloaded member function, provided for convenience. It
differs from the above function only in what argument(s) it accepts.
Set the maximum number of reads that ordering driver can have
outstanding on driver(s) below. Parameters:
max_read_count Specifies the maximum number of parallel reads
(default is 1).
globus_result_t globus_xio_attr_cntl (attr, driver,
GLOBUS_XIO_ORDERING_GET_MAX_READ_COUNT, int * max_read_count_out)
This is an overloaded member function, provided for convenience. It
differs from the above function only in what argument(s) it accepts.
Get the maximum number of parallel reads set on the attr. Parameters:
max_read_count_out The maximum number of parallel reads allowed
will be stored here.
globus_result_t globus_xio_attr_cntl (attr, driver,
GLOBUS_XIO_ORDERING_SET_BUFFERING, globus_bool_t buffering)
This is an overloaded member function, provided for convenience. It
differs from the above function only in what argument(s) it accepts.
This driver can be used in 2 modes; ordering (care about offsets of the
data read - underlying transport driver may deliver data out of order -
this driver will rearrange data based on the offset and deliver inorder
to user) and buffering (do not care about offsets - just buffer the
data read abd deliver it when requested). This attribute control can be
used to enable buffering.
Parameters:
buffering GLOBUS_TRUE to enable buffering, GLOBUS_FALSE (default)
to disable buffering.
globus_result_t globus_xio_attr_cntl (attr, driver,
GLOBUS_XIO_ORDERING_GET_BUFFERING, globus_bool_t * buffering_out)
This is an overloaded member function, provided for convenience. It
differs from the above function only in what argument(s) it accepts.
Get the buffering flag on the attr. Parameters:
buffering_out Buffering flag will be stored in here.
globus_result_t globus_xio_attr_cntl (attr, driver,
GLOBUS_XIO_ORDERING_SET_BUF_SIZE, int buf_size)
This is an overloaded member function, provided for convenience. It
differs from the above function only in what argument(s) it accepts.
Set the size of the buffer that ordering driver creates to use for
reading data from the driver below it. Parameters:
buf_size Specifies the buffer size for internal reads (default is
100 KB).
globus_result_t globus_xio_attr_cntl (attr, driver,
GLOBUS_XIO_ORDERING_GET_BUF_SIZE, int * buf_size_out)
This is an overloaded member function, provided for convenience. It
differs from the above function only in what argument(s) it accepts.
Get the size of the buffer used for the internal reads. Parameters:
buf_size_out The buffer size will be stored in here.
globus_result_t globus_xio_attr_cntl (attr, driver,
GLOBUS_XIO_ORDERING_SET_MAX_BUF_COUNT, int max_buf_count)
This is an overloaded member function, provided for convenience. It
differs from the above function only in what argument(s) it accepts.
Set the maximum number of buffers that this driver can create for
reading data from the driver below it. Parameters:
max_buf_count Specifies the max buffer count for internal reads
(default is 100).
globus_result_t globus_xio_attr_cntl (attr, driver,
GLOBUS_XIO_ORDERING_GET_MAX_BUF_COUNT, int * max_buf_count_out)
This is an overloaded member function, provided for convenience. It
differs from the above function only in what argument(s) it accepts.
Get the maximum buffer count set on the attr. Parameters:
max_buf_count_out The maximun buffer count will be stored in here.
Author
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