poll.h
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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-09-11 Meco Man First version
*/
#ifndef __POLL_H__
#define __POLL_H__
#ifdef __cplusplus
extern "C" {
#endif
#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);
#ifdef __cplusplus
}
#endif
#endif /* __POLL_H__ */