Manual Pages for UNIX Operating System command usage for man hook_t

Data Structures for Drivers                            hook_t(9S)



NAME
     hook_t -  callback  structure  for  subscribing  to  netinfo
     events

SYNOPSIS
     #include 


INTERFACE LEVEL
     Solaris DDI specific (Solaris DDI).

DESCRIPTION
     The hook_t data structure defines a callback that is  to  be
     inserted  into  a networking event. This data structure must
     be allocated with a call to hook_alloc() and released with a
     call to hook_free().

STRUCTURE MEMBERS
       hook_func_t  h_func;      /* callback function to invoke */
       char         *h_name;     /* unique name given to the hook */
       int          h_flags;
       hook_hint_t  h_hint;      /* insertion hint type */
       uintptr_t    h_hintvalue; /* used with h_hint */
       void         *h_arg;      /* value to pass into h_func */

       typedef int (*hook_func_t)(net_event_t token, hook_data_t info,
                     void *);


  HINT TYPES
     Hook hints are hints that are used at the time of  insertion
     and  are  not  rules that enforce where a hook lives for its
     entire lifetime on an event. The valid values for the h_hint
     field are:

     HH_NONE      Insert the hook wherever convenient.


     HH_FIRST     Place the hook first on the list of hooks.


     HH_LAST      Place the hook last on the list of hooks.


     HH_BEFORE    Place the hook before another hook on the  list
                  of  hooks.  The  value in h_hintvalue must be a
                  pointer to the name of another hook.


     HH_AFTER     Place the hook after another hook on  the  list
                  of  hooks.  The  value in h_hintvalue must be a
                  pointer to the name of another hook.



SunOS 5.11           Last change: 1 May 2008                    1






Data Structures for Drivers                            hook_t(9S)



ATTRIBUTES
     See attributes(5) for descriptions of the  following  attri-
     butes:



     ____________________________________________________________
    |       ATTRIBUTE TYPE        |       ATTRIBUTE VALUE       |
    |_____________________________|_____________________________|
    | Interface Stability         | Committed                   |
    |_____________________________|_____________________________|


SEE ALSO
     netinfo(9F)








































SunOS 5.11           Last change: 1 May 2008                    2