inputevt.h

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/*
 * $Id: inputevt.h,v 1.17 2005/09/27 20:11:30 rmanfredi Exp $
 *
 * Copyright (c) 2002, ko (ko-@wanadoo.fr)
 * Copyright (c) 2005, Christian Biere
 *
 *----------------------------------------------------------------------
 * This file is part of gtk-gnutella.
 *
 *  gtk-gnutella is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  gtk-gnutella 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 gtk-gnutella; if not, write to the Free Software
 *  Foundation, Inc.:
 *      59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *----------------------------------------------------------------------
 */

#ifndef _inputevt_h_
#define _inputevt_h_

#include <glib.h>

typedef enum {
    INPUT_EVENT_R           = 1 << 0,   /* poll for Read events */
    INPUT_EVENT_W           = 1 << 1,   /* poll for Write events */
    INPUT_EVENT_EXCEPTION   = 1 << 2,   /* poll for exceptions */

    INPUT_EVENT_RX = ((guint) INPUT_EVENT_R | (guint) INPUT_EVENT_EXCEPTION),
    INPUT_EVENT_WX = ((guint) INPUT_EVENT_W | (guint) INPUT_EVENT_EXCEPTION),
    
    INPUT_EVENT_RW = ((guint) INPUT_EVENT_R | (guint) INPUT_EVENT_W),
    INPUT_EVENT_RWX = ((guint) INPUT_EVENT_RW | (guint) INPUT_EVENT_EXCEPTION),
} inputevt_cond_t;

typedef void (*inputevt_handler_t) (
    gpointer data,
    gint source,
    inputevt_cond_t condition
);

/*
 * Module initialization and cleanup functions.
 * These don't do anything and are not called (yet).
 */
void inputevt_init(void);
void inputevt_close(void);

guint inputevt_add(gint source, inputevt_cond_t condition,
    inputevt_handler_t handler, gpointer data);

const gchar *inputevt_cond_to_string(inputevt_cond_t cond);

#if defined(HAS_EPOLL) || defined(HAS_KQUEUE)
void inputevt_remove(guint id);
#else /* !(HAS_EPOLL || HAS_KQUEUE) */
#define inputevt_remove(source) (g_source_remove(source))
#define inputevt_timer()
#endif /* HAS_EPOLL || HAS_KQUEUE */

#endif  /* _inputevt_h_ */

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