/*****************************************************************************
 * Copyright (c) 2019, Nations Technologies Inc.
 *
 * All rights reserved.
 * ****************************************************************************
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * - Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the disclaimer below.
 *
 * Nations' name may not be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY NATIONS "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
 * DISCLAIMED. IN NO EVENT SHALL NATIONS BE LIABLE FOR ANY DIRECT, INDIRECT,
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/**
 * @file dfs_poll.h
 * @author Nations
 * @version v1.0.0
 *
 * @copyright Copyright (c) 2019, Nations Technologies Inc. All rights reserved.
 */

#ifndef DFS_POLL_H__
#define DFS_POLL_H__

#include <rtthread.h>

#ifdef RT_USING_POSIX
//#include <sys/time.h> /* for struct timeval */

#if !defined(POLLIN) && !defined(POLLOUT)
#define POLLIN          (0x01)
#define POLLRDNORM      (0x01)
#define POLLRDBAND      (0x01)
#define POLLPRI         (0x01)

#define POLLOUT         (0x02)
#define POLLWRNORM      (0x02)
#define POLLWRBAND      (0x02)

#define POLLERR         (0x04)
#define POLLHUP         (0x08)
#define POLLNVAL        (0x10)

typedef unsigned int nfds_t;

struct pollfd
{
    int fd;
    short events;
    short revents;
};
#endif /* !defined(POLLIN) && !defined(POLLOUT) */

#define POLLMASK_DEFAULT (POLLIN | POLLOUT | POLLRDNORM | POLLWRNORM)
int poll(struct pollfd *fds, nfds_t nfds, int timeout);
#endif /* RT_USING_POSIX */

#endif /* DFS_POLL_H__ */