FREE_RTN(9S) Data Structures for Drivers FREE_RTN(9S)
- structure that specifies a driver's message-freeing routine
SYNOPSIS #include <sys/stream.h>
Architecture independent level 1 (DDI/DKI).
structure is referenced by the datab
structure. When freeb(9F)
is called to free the message, the driver's message-freeing
routine (referenced through the free_rtn
structure) is called, with
arguments, to free the data buffer.
void (*free_func)() /* user's freeing routine */
char *free_arg /* arguments to free_func() */
structure is defined as type frtn_t
SEE ALSO esballoc(9F)
, datab(9S) STREAMS Programming Guide
OmniOS July 9, 2018 OmniOS