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/*
* Async i/o definitions
*
* Copyright (C) 2000 Mike McCormack
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _SERVER_ASYNC_
#define _SERVER_ASYNC_
#include <sys/time.h>
#include "object.h"
struct async_queue;
struct async
{
struct object *obj;
struct thread *thread;
void *overlapped;
unsigned int status;
struct timeval when;
struct timeout_user *timeout;
struct async *next,*prev;
struct async_queue *q;
};
struct async_queue
{
struct async *head;
struct async *tail;
};
void destroy_async( struct async *async );
void destroy_async_queue( struct async_queue *q );
void async_notify(struct async *async, int status);
struct async *find_async(struct async_queue *q, struct thread *thread, void *overlapped);
void async_insert(struct async_queue *q, struct async *async);
struct async *create_async(struct object *obj, struct thread *thread,
void *overlapped);
void async_add_timeout(struct async *async, int timeout);
static inline void init_async_queue(struct async_queue *q)
{
q->head = q->tail = NULL;
}
#define IS_READY(q) (((q).head) && ((q).head->status==STATUS_PENDING))
#endif /* _SERVER_ASYNC_ */
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