minix/nbsd_include/sys/select.h

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2011-02-21 14:13:55 +01:00
/* $NetBSD: select.h,v 1.36 2009/11/11 09:48:51 rmind Exp $ */
/*-
* Copyright (c) 1992, 1993
* The Regents of the University of California. 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.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*
* @(#)select.h 8.2 (Berkeley) 1/4/94
*/
#ifndef _SYS_SELECT_H_
#define _SYS_SELECT_H_
#include <sys/cdefs.h>
#include <sys/featuretest.h>
#include <sys/fd_set.h>
#ifdef _KERNEL
#include <sys/selinfo.h> /* for struct selinfo */
#include <sys/signal.h> /* for sigset_t */
struct lwp;
struct proc;
struct timespec;
struct cpu_info;
struct socket;
int selcommon(register_t *, int, fd_set *, fd_set *, fd_set *,
struct timespec *, sigset_t *);
void selrecord(struct lwp *selector, struct selinfo *);
void selnotify(struct selinfo *, int, long);
void selsysinit(struct cpu_info *);
void selinit(struct selinfo *);
void seldestroy(struct selinfo *);
int pollsock(struct socket *, const struct timespec *, int);
#else /* _KERNEL */
#include <sys/sigtypes.h>
#include <time.h>
__BEGIN_DECLS
#ifndef __LIBC12_SOURCE__
#ifndef __minix
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int pselect(int, fd_set * __restrict, fd_set * __restrict,
fd_set * __restrict, const struct timespec * __restrict,
const sigset_t * __restrict) __RENAME(__pselect50);
#endif /* !__minix */
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int select(int, fd_set * __restrict, fd_set * __restrict,
fd_set * __restrict, struct timeval * __restrict) __RENAME(__select50);
#endif /* __LIBC12_SOURCE__ */
__END_DECLS
#endif /* _KERNEL */
#ifdef _MINIX
/* possible select() operation types; read, write, errors */
/* (FS/driver internal use only) */
#define SEL_RD (1 << 0)
#define SEL_WR (1 << 1)
#define SEL_ERR (1 << 2)
#define SEL_NOTIFY (1 << 3) /* not a real select operation */
#endif
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#endif /* !_SYS_SELECT_H_ */