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/* Copyright (C) 1991, 1992 Free Software Foundation, Inc.

This file is part of the GNU C Library.

The GNU C Library is free software; you can redistribute it and/or

modify it under the terms of the GNU Library General Public License as

published by the Free Software Foundation; either version 2 of the

License, or (at your option) any later version.

The GNU C Library is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

Library General Public License for more details.

You should have received a copy of the GNU Library General Public

License along with the GNU C Library; see the file COPYING.LIB.  If

not, write to the, 1992 Free Software Foundation, Inc., 675 Mass Ave,

Cambridge, MA 02139, USA.  */

#ifndef _GNU_TYPES_H

#define _GNU_TYPES_H    1

/* Convenience types.  */

typedef unsigned char __u_char;

typedef unsigned short __u_short;

typedef unsigned int __u_int;

typedef unsigned long __u_long;

typedef struct

{

  long val[2];

} __quad;

typedef struct

{

  __u_long val[2];

} __u_quad;

#ifdef __linux__

typedef unsigned short __dev_t; /* Type of device numbers.  */

typedef unsigned short __gid_t; /* Type of group identifications.  */

typedef unsigned short __uid_t; /* Type of user identifications.  */

typedef unsigned short __mode_t;/* Type of file attribute bitmasks.  */

typedef long    __daddr_t;      /* The type of a disk address.  */

typedef long    __off_t;        /* Type of file sizes and offsets.  */

#ifndef __STRICT_ANSI__

typedef long long __loff_t;     /* Type of long file sizes and offsets.  */

#endif

typedef unsigned long __ino_t;  /* Type of file serial numbers.  */

typedef unsigned short __nlink_t;       /* Type of file link counts.  */

typedef long    __time_t;

#else

typedef int __dev_t;            /* Type of device numbers.  */

typedef unsigned int __gid_t;   /* Type of group identifications.  */

typedef unsigned int __uid_t;   /* Type of user identifications.  */

typedef unsigned int __mode_t;  /* Type of file attribute bitmasks.  */

typedef long int __daddr_t;     /* The type of a disk address.  */

typedef long int __off_t;       /* Type of file sizes and offsets.  */

typedef unsigned long int __ino_t;      /* Type of file serial numbers.  */

typedef unsigned short int __nlink_t;   /* Type of file link counts.  */

typedef long int __time_t;

#endif

typedef int __pid_t;            /* Type of process identifications.  */

typedef int __ssize_t;          /* Type of a byte count, or error.  */

typedef __quad __fsid_t;        /* Type of file system IDs.  */

/* Everythin' else.  */

typedef char *__caddr_t;

typedef long int __swblk_t;     /* Type of a swap block maybe?  */

/* fd_set for select.  */

#ifdef __linux__

#if 1

#include <linux/posix_types.h>

#ifndef __FDSET_LONGS

#define __FDSET_LONGS __FDSET_INTS

#endif

typedef struct __fd_set {

        unsigned long fds_bits [__FDSET_LONGS];

} __fd_set;

#else

#ifndef __FDSET_LONGS

#define __FDSET_LONGS 8

#endif

typedef struct __fd_set {

        unsigned long fds_bits [__FDSET_LONGS];

} __fd_set;

#ifndef __NFDBITS

#define __NFDBITS       (sizeof(unsigned long int) * 8)

#define __FD_SETSIZE    (__FDSET_LONGS*__NFDBITS)

#define __FD_SET(fd,fdsetp) \

        __asm__ __volatile__ ("btsl %1,%0": \

                "=m" (*(__fd_set *) (fdsetp)):"r" ((int) (fd)))

#define __FD_CLR(fd,fdsetp) \

        __asm__ __volatile__("btrl %1,%0": \

                "=m" (*(__fd_set *) (fdsetp)):"r" ((int) (fd)))

#define __FD_ISSET(fd,fdsetp) __extension__ ({ \

        unsigned char __result; \

        __asm__ __volatile__("btl %1,%2 ; setb %0" \

                :"=q" (__result) :"r" ((int) (fd)), \

                "m" (*(__fd_set *) (fdsetp))); \

        __result; })

#define __FD_ZERO(fdsetp) \

        __asm__ __volatile__("cld ; rep ; stosl" \

                :"=m" (*(__fd_set *) (fdsetp)) \

                :"a" (0), "c" (__FDSET_LONGS), \

                "D" ((__fd_set *) (fdsetp)) :"cx","di")

#endif /* __NFDBITS */

#endif

#else /* __linux__ */

/* Number of descriptors that can fit in an `fd_set'.  */

#define __FD_SETSIZE    256

/* It's easier to assume 8-bit bytes than to get CHAR_BIT.  */

#define __NFDBITS       (sizeof(unsigned long int) * 8)

#define __FDELT(d)      ((d) / __NFDBITS)

#define __FDMASK(d)     (1 << ((d) % __NFDBITS))

typedef struct

{

  unsigned long int fds_bits [(__FD_SETSIZE + (__NFDBITS - 1)) / __NFDBITS];

} __fd_set;

/* This line MUST be split!  Otherwise m4 will not change it.  */

#define __FD_ZERO(set)  \

  ((void) memset((__ptr_t) (set), 0, sizeof(fd_set)))

#define __FD_SET(d, set)        ((set)->__bits[__FDELT(d)] |= __FDMASK(d))

#define __FD_CLR(d, set)        ((set)->__bits[__FDELT(d)] &= ~__FDMASK(d))

#define __FD_ISSET(d, set)      ((set)->__bits[__FDELT(d)] & __FDMASK(d))

#endif /* __linux__ */

#endif /* gnu/types.h */