+++ /dev/null
-/* This file is part of the Linux Trace Toolkit viewer
- * Copyright (C) 2003-2004 Michel Dagenais
- *
- * 25/05/2004 Mathieu Desnoyers : Hook priorities
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License Version 2 as
- * published by the Free Software Foundation;
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA 02111-1307, USA.
- */
-
-#ifndef HOOK_H
-#define HOOK_H
-
-#include <glib.h>
-#include <ltt/compiler.h>
-
-/* A hook is a function to call with the supplied hook data, and with
- call site specific data (e.g., hooks for events are called with a
- pointer to the current event). */
-
-typedef gboolean (*LttvHook)(void *hook_data, void *call_data);
-
-
-/* A list of hooks allows registering hooks to be called later. */
-
-typedef GArray LttvHooks;
-
-/* A priority associated with each hook, from -19 (high prio) to 20 (low prio)
- * 0 being the default priority.
- *
- * Priority ordering is done in the lttv_hooks_add and lttv_hooks_add_list
- * functions. Hook removal does not change list order.
- */
-
-#define LTTV_PRIO_DEFAULT 50
-#define LTTV_PRIO_HIGH 0
-#define LTTV_PRIO_LOW 99
-
-typedef gint LttvHookPrio;
-
-/* Create and destroy a list of hooks */
-
-LttvHooks *lttv_hooks_new();
-
-void lttv_hooks_destroy(LttvHooks *h);
-
-
-/* Add a hook and its hook data to the list */
-
-void lttv_hooks_add(LttvHooks *h, LttvHook f, void *hook_data, LttvHookPrio p);
-
-
-/* Add a list of hooks to the list h */
-
-void lttv_hooks_add_list(LttvHooks *h, const 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_list(LttvHooks *h, LttvHooks *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.
- * *f and *hook_data are NULL if no hook exists at that position. */
-
-void lttv_hooks_get(LttvHooks *h, unsigned i, LttvHook *f, void **hook_data,
- LttvHookPrio *p);
-
-
-/* Remove the specified hook. The position of the following hooks may change */
-/* The hook is removed from the list event if its ref_count is higher than 1 */
-
-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, in priority order. Return TRUE if one hook
- returned TRUE. */
-
-gboolean lttv_hooks_call(LttvHooks *h, void *call_data);
-
-
-/* Call the hooks in the list in priority order until one returns true,
- * in which case TRUE is returned. */
-
-gboolean lttv_hooks_call_check(LttvHooks *h, void *call_data);
-
-
-/* Call hooks from two lists in priority order. If priority is the same,
- * hooks from h1 are called first. */
-
-gboolean lttv_hooks_call_merge(LttvHooks *h1, void *call_data1,
- LttvHooks *h2, void *call_data2);
-
-gboolean lttv_hooks_call_check_merge(LttvHooks *h1, void *call_data1,
- LttvHooks *h2, void *call_data2);
-
-/* Sometimes different hooks need to be called based on the case. The
- case is represented by an unsigned integer id */
-
-typedef struct _LttvHooksById {
- GPtrArray *index;
- GArray *array;
-} 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);
-
-
-/* Get the list of hooks for an id, NULL if none exists */
-
-static inline LttvHooks *lttv_hooks_by_id_get(LttvHooksById *h, unsigned id)
-{
- LttvHooks *ret;
- if(likely(id < h->index->len)) ret = h->index->pdata[id];
- else ret = NULL;
-
- return ret;
-}
-
-
-/* Remove the list of hooks associated with an id */
-
-void lttv_hooks_by_id_remove(LttvHooksById *h, unsigned id);
-
-#endif // HOOK_H
projects / lttv.git / blobdiff