Manual Reference Pages - CPG_ITERATION_INITIALIZE (3)
cpg_iteration_initialize - Initialize iterator for members of CPG
Common Ipc Errors
cpg_iteration_initialize (cpg_handle_t handle, cpg_iteration_type_t iteration_type,
const struct cpg_name *group, cpg_iteration_handle_t *cpg_iteration_handle);
cpg_iteration_initialize function is used to initialize iteration of CPG members.
handle argument is connection to CPG database obtained by calling
iteration_type is used for limit number of returned items and can be one of:
CPG_ITERATION_NAME_ONLY - only name of used groups are returned
CPG_ITERATION_ONE_GROUP - only members group with name group are returned
CPG_ITERATION_ALL - all members are returned
group parameter is used only with CPG_ITERATION_ONE_GROUP and its name of group with
members to iterate. For other iteration_type, this parameter must be NULL.
cpg_iteration_initialize is used only for initialize context for future
cpg_iteration_next(3) calls and handle needed for that function is returned in
cpg_iteration_handle variable. When you have finished iteration over objects, call
cpg_iteration_finalize(3) function to free up memory associated with iteration.
This call returns the CS_OK value if successful. If cpg_iteration_handle is NULL,
CS_ERR_INVALID_PARAM error is returned. Same error is returned when iteration_type
is CPG_ITERATION_ONE_GROUP, but group is NULL, or when group is not NULL and
iteration_type is not CPG_ITERATION_ONE_GROUP. If there is not enough memory
for internal store of data, CS_ERR_NO_MEMORY is returned. CS_ERR_BAD_HANDLE can
be returned, if handle is not valid handle.
COMMON IPC ERRORS
CS_ERR_TRY_AGAIN Resource temporarily unavailable
CS_ERR_INVALID_PARAM Invalid argument
CS_ERR_ACCESS Permission denied
CS_ERR_LIBRARY The connection failed
CS_ERR_INTERRUPT System call inturrupted by a signal
CS_ERR_NOT_SUPPORTED The requested protocol/functuality not supported
CS_ERR_MESSAGE_ERROR Incorrect auth message received
CS_ERR_NO_MEMORY Not enough memory to completed the requested task
|corosync Man Page ||CPG_ITERATION_INITIALIZE (3) ||05/03/2012 |
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