src/sys/sys/poll.h

90 lines
2.5 KiB
C

/* $OpenBSD: poll.h,v 1.15 2016/06/07 06:12:37 deraadt Exp $ */
/*
* Copyright (c) 1996 Theo de Raadt
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _SYS_POLL_H_
#define _SYS_POLL_H_
typedef struct pollfd {
int fd;
short events;
short revents;
} pollfd_t;
typedef unsigned int nfds_t;
#define POLLIN 0x0001
#define POLLPRI 0x0002
#define POLLOUT 0x0004
#define POLLERR 0x0008
#define POLLHUP 0x0010
#define POLLNVAL 0x0020
#define POLLRDNORM 0x0040
#define POLLNORM POLLRDNORM
#define POLLWRNORM POLLOUT
#define POLLRDBAND 0x0080
#define POLLWRBAND 0x0100
#ifdef _KERNEL
#define POLL_NOHUP 0x1000 /* internal use only */
#endif
#define INFTIM (-1)
#ifndef _KERNEL
#include <sys/cdefs.h>
#if __BSD_VISIBLE
#include <sys/_types.h>
#ifndef _SIGSET_T_DEFINED_
#define _SIGSET_T_DEFINED_
typedef unsigned int sigset_t;
#endif
#ifndef _TIME_T_DEFINED_
#define _TIME_T_DEFINED_
typedef __time_t time_t;
#endif
#ifndef _TIMESPEC_DECLARED
#define _TIMESPEC_DECLARED
struct timespec {
time_t tv_sec; /* seconds */
long tv_nsec; /* and nanoseconds */
};
#endif
#endif /* __BSD_VISIBLE */
__BEGIN_DECLS
int poll(struct pollfd[], nfds_t, int);
#if __BSD_VISIBLE
int ppoll(struct pollfd[], nfds_t, const struct timespec *, const sigset_t *);
#endif /* __BSD_VISIBLE */
__END_DECLS
#endif /* _KERNEL */
#endif /* !_SYS_POLL_H_ */