ldi_get_eventcookie(9F) Kernel Functions for Drivers ldi_get_eventcookie(9F)NAMEldi_get_eventcookie - retrieve NDI event service cookie
SYNOPSIS
#include <sys/ddi_obsolete.h>
int ldi_get_eventcookie(ldi_handle_t lh, char *name
ddi_eventcookie_t *ecp);
INTERFACE LEVEL
Obsolete
PARAMETERS
ldi_handle_t lh Layered handle.
char *name null-terminated string containing the event
name.
ddi_eventcookie_t *ecp Pointer to the kernel event cookie.
DESCRIPTION
This function is obsolete and is only maintained for compatibility. Use
of this function is strongly discouraged. For equivalent functionality
provided by new interfaces, see ldi_ev_get_cookie(9F) and ldi_ev_regisā
ter_callbacks(9F).
The ldi_get_eventcookie() function queries the device tree for a cookie
matching the given event name and returns a reference to that cookie.
The search is performed by calling up the device tree hierarchy of the
device represented by the layered driver handle until the request is
satisfied by a bus nexus driver, or the top of the dev_info tree is
reached.
The cookie returned by this function can be used to register a callback
handler with ldi_add_event_handler(9F).
RETURN VALUES
DDI_SUCCESS Cookie handle is returned.
DDI_FAILURE Request was not serviceable by any nexus driver in the
target device's ancestral device tree hierarchy.
CONTEXT
This function may be called from user or kernel contexts.
SEE ALSOldi_ev_get_cookie(9F), ldi_ev_register_callbacks(9F),
ldi_add_event_handler(9F), ldi_remove_event_handler(9F)
Writing Device Drivers
SunOS 5.11 21 Aug 2007 ldi_get_eventcookie(9F)