+++ /dev/null
-/**
- * \file
- * <!--
- * Copyright 2003, 2004, 2005 Develer S.r.l. (http://www.develer.com/)
- * Copyright 1999, 2001, 2003 Bernardo Innocenti <bernie@develer.com>
- * This file is part of DevLib - See README.devlib for information.
- * -->
- *
- * \brief Events handling
- *
- * This module implements a common system for executing
- * a user defined action calling a hook function.
- *
- * \version $Id$
- *
- * \author Bernardo Innocenti <bernie@develer.com>
- */
-
-/*#*
- *#* $Log$
- *#* Revision 1.8 2006/07/19 12:56:27 bernie
- *#* Convert to new Doxygen style.
- *#*
- *#* Revision 1.7 2006/03/20 17:52:22 bernie
- *#* Add missing forward declaration.
- *#*
- *#* Revision 1.6 2006/02/24 01:17:44 bernie
- *#* Update for new emulator.
- *#*
- *#* Revision 1.5 2006/02/24 00:26:21 bernie
- *#* Fix header name.
- *#*
- *#* Revision 1.4 2006/02/10 12:24:42 bernie
- *#* Fix standalone build.
- *#*
- *#* Revision 1.3 2006/01/16 03:27:49 bernie
- *#* Rename sig_t to sigbit_t to avoid clash with POSIX.
- *#*
- *#* Revision 1.2 2005/11/27 03:02:55 bernie
- *#* Convert to appconfig.h.
- *#*
- *#* Revision 1.1 2005/11/27 01:39:48 bernie
- *#* Move event.[ch] from kern/ to mware/.
- *#*
- *#* Revision 1.11 2005/04/11 19:10:28 bernie
- *#* Include top-level headers from cfg/ subdir.
- *#*
- *#* Revision 1.10 2005/01/24 04:22:02 bernie
- *#* Update copyright information.
- *#*
- *#* Revision 1.9 2005/01/24 04:19:55 bernie
- *#* Remove obsolete names.
- *#*
- *#* Revision 1.8 2005/01/24 04:19:05 bernie
- *#* Function pointer based event dispatching.
- *#*
- *#* Revision 1.7 2004/08/25 14:12:09 rasky
- *#* Aggiornato il comment block dei log RCS
- *#*
- *#* Revision 1.6 2004/08/14 19:37:57 rasky
- *#* Merge da SC: macros.h, pool.h, BIT_CHANGE, nome dei processi, etc.
- *#*
- *#* Revision 1.5 2004/07/30 14:30:27 rasky
- *#* Resa la sig_signal interrupt safe (con il nuovo scheduler IRQ-safe)
- *#* Rimossa event_doIntr (ora inutile) e semplificata la logica delle macro con funzioni inline
- *#*
- *#* Revision 1.4 2004/06/07 15:58:00 aleph
- *#* Add function prototypes
- *#*
- *#* Revision 1.3 2004/06/06 18:25:44 bernie
- *#* Rename event macros to look like regular functions.
- *#*
- *#* Revision 1.2 2004/06/03 11:27:09 bernie
- *#* Add dual-license information.
- *#*
- *#* Revision 1.1 2004/05/23 17:27:00 bernie
- *#* Import kern/ subdirectory.
- *#*
- *#*/
-#ifndef KERN_EVENT_H
-#define KERN_EVENT_H
-
-#include <cfg/compiler.h>
-#include <appconfig.h>
-
-#if CONFIG_KERNEL
- #include <config_kern.h>
- #if defined(CONFIG_KERN_SIGNALS) && CONFIG_KERN_SIGNALS
- #include <kern/signal.h>
- #endif
-
- /* Forward decl */
- struct Process;
-#endif
-
-
-/// User defined callback type
-typedef void (*Hook)(void *);
-
-typedef struct Event
-{
- void (*action)(struct Event *);
- union
- {
-#if defined(CONFIG_KERN_SIGNALS) && CONFIG_KERN_SIGNALS
- struct
- {
- struct Process *sig_proc; /* Process to be signalled */
- sigbit_t sig_bit; /* Signal to send */
- } Sig;
-#endif
- struct
- {
- Hook func; /* Pointer to softint hook */
- void *user_data; /* Data to be passed back to user hook */
- } Int;
- } Ev;
-} Event;
-
-void event_hook_ignore(Event *event);
-void event_hook_signal(Event *event);
-void event_hook_softint(Event *event);
-
-/** Initialize the event \a e as a no-op */
-#define event_initNone(e) \
- ((e)->action = event_hook_ignore)
-
-/** Same as event_initNone(), but returns the initialized event */
-INLINE Event event_createNone(void);
-INLINE Event event_createNone(void)
-{
- Event e;
- e.action = event_hook_ignore;
- return e;
-}
-
-/** Initialize the event \a e with a software interrupt (call function \a f, with parameter \a u) */
-#define event_initSoftInt(e,f,u) \
- ((e)->action = event_hook_softint,(e)->Ev.Int.func = (f), (e)->Ev.Int.user_data = (u))
-
-/** Same as event_initSoftInt(), but returns the initialized event */
-INLINE Event event_createSoftInt(Hook func, void *user_data)
-{
- Event e;
- e.action = event_hook_softint;
- e.Ev.Int.func = func;
- e.Ev.Int.user_data = user_data;
- return e;
-}
-
-
-#if defined(CONFIG_KERN_SIGNALS) && CONFIG_KERN_SIGNALS
-
-/** Initialize the event \a e with a signal (send signal \a s to process \a p) */
-#define event_initSignal(e,p,s) \
- ((e)->action = event_hook_signal,(e)->Ev.Sig.sig_proc = (p), (e)->Ev.Sig.sig_bit = (s))
-
-/** Same as event_initSignal(), but returns the initialized event */
-INLINE Event event_createSignal(struct Process *proc, sigbit_t bit)
-{
- Event e;
- e.action = event_hook_signal;
- e.Ev.Sig.sig_proc = proc;
- e.Ev.Sig.sig_bit = bit;
- return e;
-}
-
-#endif
-
-/** Trigger an event */
-INLINE void event_do(struct Event *e)
-{
- e->action(e);
-}
-
-#endif /* KERN_EVENT_H */