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0809248009
git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@15071 87f5fb63-7c3d-0410-a384-fd976d0f7a62
110 lines
3.8 KiB
C
110 lines
3.8 KiB
C
/*
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* $Id: select.h,v 1.3 2005-11-27 09:51:45 obarthel Exp $
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*
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* :ts=4
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*
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* Portable ISO 'C' (1994) runtime library for the Amiga computer
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* Copyright (c) 2002-2005 by Olaf Barthel <olsen@sourcery.han.de>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Neither the name of Olaf Barthel nor the names of contributors
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* may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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*
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* Documentation and source code for this library, and the most recent library
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* build are available from <http://sourceforge.net/projects/clib2>.
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*
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****************************************************************************/
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*/
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#ifndef _SYS_SELECT_H
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#define _SYS_SELECT_H
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/****************************************************************************/
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/* The following is not part of the ISO 'C' (1994) standard. */
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/****************************************************************************/
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#ifndef _STRING_H
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#include <string.h>
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#endif /* _STRING_H */
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#ifndef _SYS_TIME_H
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#include <sys/time.h>
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#endif /* _SYS_TIME_H */
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/****************************************************************************/
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/****************************************************************************/
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/*
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* select() uses bit masks of file descriptors in longs. These macros
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* manipulate such bit fields.
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*
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* FD_SETSIZE may be defined by the user, but the default here should
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* be enough for most uses.
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*/
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#ifndef FD_SETSIZE
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#define FD_SETSIZE 256
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#endif
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typedef struct fd_set
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{
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unsigned long bits[(FD_SETSIZE + 31) / 32];
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} fd_set;
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#define FD_SET(n,p) ((void)(((unsigned long)n) < FD_SETSIZE ? (p)->bits[((unsigned long)n) >> 5] |= (1UL << (((unsigned long)n) & 31)) : 0))
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#define FD_CLR(n,p) ((void)(((unsigned long)n) < FD_SETSIZE ? (p)->bits[((unsigned long)n) >> 5] &= ~(1UL << (((unsigned long)n) & 31)) : 0))
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#define FD_ISSET(n,p) (((unsigned long)n) < FD_SETSIZE && ((p)->bits[((unsigned long)n) >> 5] & (1UL << (((unsigned long)n) & 31))) != 0)
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#define FD_COPY(f,t) ((void)memmove(t,f,sizeof(*(f))))
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#define FD_ZERO(p) ((void)memset(p,0,sizeof(*(p))))
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/****************************************************************************/
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/*
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* The following prototypes may clash with the bsdsocket.library or
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* usergroup.library API definitions.
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*/
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#ifndef __NO_NET_API
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extern int select(int nfds, fd_set *readfds,fd_set *writefds, fd_set *errorfds,struct timeval *timeout);
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#endif /* __NO_NET_API */
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/****************************************************************************/
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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/****************************************************************************/
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#endif /* _SYS_SELECT_H */
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