dat_evd_query(3DAT)

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 Committed MT-Level Unsafe Standard uDAPL, 1.1, 1.2

See also

libdat(3LIB), attributes(5)