X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=ltt%2Fbranches%2Fpoly%2Finclude%2Flttv%2Fhook.h;h=2fd17e1ac709ebb34c57cbf229a6a9ba3fe904e9;hb=dc87756342c051418eccb2b7d932ffa5453c6788;hp=b5e6ed8d97b42ee19e0574a91995456a76b89ec2;hpb=1b82f325932b2d092d1e0ff33f58afd9ede44d72;p=lttv.git diff --git a/ltt/branches/poly/include/lttv/hook.h b/ltt/branches/poly/include/lttv/hook.h index b5e6ed8d..2fd17e1a 100644 --- a/ltt/branches/poly/include/lttv/hook.h +++ b/ltt/branches/poly/include/lttv/hook.h @@ -7,47 +7,103 @@ call site specific data (e.g., hooks for events are called with a pointer to the current event). */ -typedef bool (*lttv_hook)(void *hook_data, void *call_data); +typedef gboolean (*LttvHook)(void *hook_data, void *call_data); /* A list of hooks allows registering hooks to be called later. */ -typedef GArray _lttv_hooks; -typedef _lttv_hooks lttv_hooks; +typedef struct _LttvHooks LttvHooks; -lttv_hooks *lttv_hooks_new(); -void lttv_hooks_destroy(lttv_hooks *h); +/* Create and destroy a list of hooks */ -void lttv_hooks_add(lttv_hooks *h, lttv_hook f, void *hook_data); +LttvHooks *lttv_hooks_new(); -void lttv_hooks_remove(lttv_hooks *h, lttv_hook f, void *hook_data); +void lttv_hooks_destroy(LttvHooks *h); -unsigned lttv_hooks_number(lttv_hooks *h); -void lttv_hooks_get(lttv_hooks *h, unsigned i, lttv_hook *f, void **hook_data); +/* Add a hook and its hook data to the list */ -void lttv_hooks_remove_by_position(lttv_hooks *h, unsigned i); +void lttv_hooks_add(LttvHooks *h, LttvHook f, void *hook_data); -bool lttv_hooks_call(lttv_hooks *h, void *call_data); -bool lttv_hooks_call_check(lttv_hooks *h, void *call_data); +/* Add a list of hooks to the list h */ + +void lttv_hooks_add(LttvHooks *h, LttvHooks *list); + + +/* Remove a hook from the list. Return the hook data. */ + +void *lttv_hooks_remove(LttvHooks *h, LttvHook f); + + +/* Remove a hook from the list checking that the hook data match. */ + +void lttv_hooks_remove_data(LttvHooks *h, LttvHook f, void *hook_data); + + +/* Remove a list of hooks from the hooks list in h. */ + +void lttv_hooks_remove_data(LttvHooks *h, LttvHook *list); + + +/* Return the number of hooks in the list */ + +unsigned lttv_hooks_number(LttvHooks *h); + + +/* Return the hook at the specified position in the list */ + +void lttv_hooks_get(LttvHooks *h, unsigned i, LttvHook *f, void **hook_data); + + +/* Remove the specified hook. The position of the following hooks may change */ + +void lttv_hooks_remove_by_position(LttvHooks *h, unsigned i); + + +/* Call all the hooks in the list, each with its hook data, + with the specified call data. Return TRUE is one hook returned TRUE. */ + +gboolean lttv_hooks_call(LttvHooks *h, void *call_data); + + +/* Call the hooks in the list until one returns true, in which case TRUE is + returned. */ + +gboolean lttv_hooks_call_check(LttvHooks *h, void *call_data); /* Sometimes different hooks need to be called based on the case. The - case is represented by an unsigned integer id and may represent different - event types, for instance. */ + case is represented by an unsigned integer id */ + +typedef struct _LttvHooksById LttvHooksById; + + +/* Create and destroy a hooks by id list */ + +LttvHooksById *lttv_hooks_by_id_new(); + +void lttv_hooks_by_id_destroy(LttvHooksById *h); + + +/* Obtain the hooks for a given id, creating a list if needed */ + +LttvHooks *lttv_hooks_by_id_find(LttvHooksById *h, unsigned id); + + +/* Return an id larger than any for which a list exists. */ + +unsigned lttv_hooks_by_id_max_id(LttvHooksById *h); + -typedef GPtrArray _lttv_hooks_by_id; -typedef _lttv_hooks_by_id lttv_hooks_by_id; +/* Get the list of hooks for an id, NULL if none exists */ -lttv_hooks_by_id *lttv_hooks_by_id_new(); +LttvHooks *lttv_hooks_by_id_get(LttvHooksById *h, unsigned id); -void lttv_hooks_by_id_destroy(lttv_hooks_by_id *h); -void lttv_hooks_by_id_add(lttv_hooks_by_id *h, lttv_hook f, void *hook_data, - unsigned int id); +/* Remove the list of hooks associated with an id */ -void lttv_hooks_by_id_call(lttv_hooks_by_id *h, void *call_data, unsigned int id); +void lttv_hooks_by_id_remove(LttvHooksById *h, unsigned id); #endif // HOOK_H