diff options
Diffstat (limited to 'sys/xen/xenstore/xenstorevar.h')
| -rw-r--r-- | sys/xen/xenstore/xenstorevar.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/sys/xen/xenstore/xenstorevar.h b/sys/xen/xenstore/xenstorevar.h index df41e31..4a1382d 100644 --- a/sys/xen/xenstore/xenstorevar.h +++ b/sys/xen/xenstore/xenstorevar.h @@ -56,8 +56,8 @@ struct xenstore_domain_interface; struct xs_watch; extern struct xenstore_domain_interface *xen_store; -typedef void (xs_watch_cb_t)(struct xs_watch *, - const char **vec, unsigned int len); +typedef void (xs_watch_cb_t)(struct xs_watch *, const char **vec, + unsigned int len); /* Register callback to watch subtree (node) in the XenStore. */ struct xs_watch @@ -69,6 +69,9 @@ struct xs_watch /* Callback (executed in a process context with no locks held). */ xs_watch_cb_t *callback; + + /* Callback client data untouched by the XenStore watch mechanism. */ + uintptr_t callback_data; }; LIST_HEAD(xs_watch_list, xs_watch); @@ -301,7 +304,7 @@ int xs_gather(struct xs_transaction t, const char *dir, ...); * XenStore watches allow a client to be notified via a callback (embedded * within the watch object) of changes to an object in the XenStore. * - * \param watch A xenbus_watch struct with it's node and callback fields + * \param watch An xs_watch struct with it's node and callback fields * properly initialized. * * \return On success, 0. Otherwise an errno value indicating the |
