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/*
* Copyright (C) 2008 The Android Open Source Project
* 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 following disclaimer.
* * 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 COPYRIGHT HOLDERS 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
* COPYRIGHT OWNER 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.
*/
#ifndef _SYS_SELECT_H_
#define _SYS_SELECT_H_
#include <sys/cdefs.h>
#include <sys/time.h>
#include <sys/types.h>
#include <signal.h>
#include <string.h>
__BEGIN_DECLS
#define FD_SETSIZE 1024
#define NFDBITS (8 * sizeof(unsigned long))
#define __FDSET_LONGS (FD_SETSIZE/NFDBITS)
typedef struct {
unsigned long fds_bits[__FDSET_LONGS];
} fd_set;
#define __FDELT(fd) ((fd) / NFDBITS)
#define __FDMASK(fd) (1UL << ((fd) % NFDBITS))
#define __FDS_BITS(set) (((fd_set*)(set))->fds_bits)
#define FD_ZERO(set) (memset(set, 0, sizeof(*(fd_set*)(set))))
extern void __FD_CLR_chk(int, fd_set*, size_t);
extern void __FD_SET_chk(int, fd_set*, size_t);
extern int __FD_ISSET_chk(int, fd_set*, size_t);
#if defined(__BIONIC_FORTIFY)
#define FD_CLR(fd, set) __FD_CLR_chk(fd, set, __bos(set))
#define FD_SET(fd, set) __FD_SET_chk(fd, set, __bos(set))
#define FD_ISSET(fd, set) __FD_ISSET_chk(fd, set, __bos(set))
#else
#define FD_CLR(fd, set) (__FDS_BITS(set)[__FDELT(fd)] &= ~__FDMASK(fd))
#define FD_SET(fd, set) (__FDS_BITS(set)[__FDELT(fd)] |= __FDMASK(fd))
#define FD_ISSET(fd, set) ((__FDS_BITS(set)[__FDELT(fd)] & __FDMASK(fd)) != 0)
#endif /* defined(__BIONIC_FORTIFY) */
extern int select(int, fd_set*, fd_set*, fd_set*, struct timeval*);
extern int pselect(int, fd_set*, fd_set*, fd_set*, const struct timespec*, const sigset_t*);
__END_DECLS
#endif /* _SYS_SELECT_H_ */
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