Function dds_create_guardcondition

• Defined in File dds.h

Function Documentation

dds_entity_t dds_create_guardcondition(dds_entity_t participant)

Creates a guardcondition.

Waitsets allow waiting for an event on some of any set of entities. This means that the guardcondition can be used to wake up a waitset when data is in the reader history with states that matches the given mask.

Return values

• >0 – A valid condition handle

• DDS_RETCODE_ERROR – An internal error has occurred.

• DDS_RETCODE_ILLEGAL_OPERATION – The operation is invoked on an inappropriate object.

• DDS_RETCODE_ALREADY_DELETED – The entity has already been deleted.

Returns

A valid condition handle or an error code.