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/*
* Copyright (c) International Business Machines Corp., 2014
*
* This program 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.
*
* 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
*/
/*
* File: dispatch.h
* Author: Shaun Wetzstein <shaun@us.ibm.com>
* Descr: File descriptor activity callback dispatcher
* Note:
* Date: 10/03/10
*/
#ifndef __DISPATCH_H__
#define __DISPATCH_H__
#include <stdint.h>
#include <stdbool.h>
#include <sys/epoll.h>
#include "attribute.h"
#include "builtin.h"
#include "assert.h"
#include "tree.h"
#include "array.h"
#define DISPATCH_READ EPOLLIN
#define DISPATCH_WRITE EPOLLOUT
#define DISPATCH_READ_HUP EPOLLRDHUP
#define DISPATCH_READ_PRIORITY EPOLLPRI
#define DISPATCH_ERROR EPOLLERR
#define DISPATCH_WRITE_HUP EPOLLRDHUP
#define DISPATCH_EDGE_TRIGGER EPOLLET
#define DISPATCH_ONE_SHOT EPOLLONESHOT
/* ======================================================================= */
typedef struct dispatch dispatch_t;
typedef struct dispatch_callback dispatch_callback_t;
typedef struct dispatch_event dispatch_event_t;
typedef int (*dispatch_f) (dispatch_event_t *, void *);
struct dispatch {
int fd;
array_t events;
};
struct dispatch_callback {
int fd;
void *data;
dispatch_f func;
};
struct dispatch_event {
int fd;
uint32_t events;
};
/* ======================================================================= */
extern void dispatch_init(dispatch_t *) __nonnull((1));
extern void dispatch_delete(dispatch_t *) __nonnull((1));
extern int dispatch_fileno(dispatch_t *) __nonnull((1));
extern int dispatch_add(dispatch_t *, int, uint32_t, dispatch_callback_t *)
__nonnull((1, 4));
extern void dispatch_remove(dispatch_t *, int) __nonnull((1));
#define dispatch_wait(...) STRCAT(dispatch_wait, NARGS(__VA_ARGS__))(__VA_ARGS__)
extern void dispatch_wait1(dispatch_t *) __nonnull((1));
extern void dispatch_wait2(dispatch_t *, int) __nonnull((1));
/* ======================================================================= */
#endif /* __DISPATCH_H__ */
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