xref: /titanic_50/usr/src/man/man3dat/dat_evd_query.3dat (revision 5d0e1406420f52cc4d3d0543044034c4894b5865)
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This manual page is derived from the DAT/uDAPL 1.2 specification.
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DAT_EVD_QUERY 3DAT "Jul 16, 2004"
NAME
dat_evd_query - provide parameters of the Event Dispatcher,
SYNOPSIS

cc [ flag.\|.\|. ] file.\|.\|. -ldat [ library.\|.\|. ]
#include <dat/udat.h>

DAT_RETURN
 dat_evd_query (
 IN DAT_EVD_HANDLE evd_handle,
 IN DAT_EVD_PARAM_MASK evd_param_mask,
 OUT DAT_EVD_PARAM *evd_param
 )
PARAMETERS
evd_handle

Handle for an instance of Event Dispatcher.

evd_param_mask

Mask for EVD parameters

evd_param

Pointer to a Consumer-allocated structure that the Provider fills for Consumer-requested parameters.

DESCRIPTION

The dat_evd_query() function provides to the Consumer parameters of the Event Dispatcher, including the state of the EVD (enabled/disabled). The Consumer passes in a pointer to the Consumer-allocated structures for EVD parameters that the Provider fills.

The evd_param_mask parameter allows Consumers to specify which parameters to query. The Provider returns values for evd_param_mask requested parameters. The Provider can return values for any of the other parameters.

RETURN VALUES
DAT_SUCCESS

The operation was successful.

DAT_INVALID_HANDLE

The evd_handle parameter is invalid.

DAT_INVALID_PARAMETER

The evd_param_mask parameter is invalid.

ATTRIBUTES

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPE ATTRIBUTE VALUE
Interface Stability Standard: uDAPL, 1.1, 1.2
MT-Level Unsafe
SEE ALSO

libdat(3LIB), attributes(5)