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Annotation of prex-old/include/sys/types.h, Revision 1.1.1.1.2.1

1.1       nbrk        1: /*-
                      2:  * Copyright (c) 1982, 1986, 1991, 1993, 1994
                      3:  *     The Regents of the University of California.  All rights reserved.
                      4:  * (c) UNIX System Laboratories, Inc.
                      5:  * All or some portions of this file are derived from material licensed
                      6:  * to the University of California by American Telephone and Telegraph
                      7:  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
                      8:  * the permission of UNIX System Laboratories, Inc.
                      9:  *
                     10:  * Redistribution and use in source and binary forms, with or without
                     11:  * modification, are permitted provided that the following conditions
                     12:  * are met:
                     13:  * 1. Redistributions of source code must retain the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer.
                     15:  * 2. Redistributions in binary form must reproduce the above copyright
                     16:  *    notice, this list of conditions and the following disclaimer in the
                     17:  *    documentation and/or other materials provided with the distribution.
                     18:  * 3. Neither the name of the University nor the names of its contributors
                     19:  *    may be used to endorse or promote products derived from this software
                     20:  *    without specific prior written permission.
                     21:  *
                     22:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     23:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     24:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     25:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     26:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     27:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     28:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     29:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     30:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     31:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     32:  * SUCH DAMAGE.
                     33:  *
                     34:  *     @(#)types.h     8.6 (Berkeley) 2/19/95
                     35:  */
                     36:
                     37: #ifndef _SYS_TYPES_H_
                     38: #define        _SYS_TYPES_H_
                     39:
                     40: /* Machine type dependent parameters. */
                     41: #include <machine/types.h>
                     42: #include <prex/types.h>
                     43:
                     44: typedef        unsigned char   u_char;
                     45: typedef        unsigned short  u_short;
                     46: typedef        unsigned int    u_int;
                     47: typedef        unsigned long   u_long;
                     48:
                     49: typedef        uint32_t        dev_t;          /* device number */
                     50: typedef        uint32_t        gid_t;          /* group id */
                     51: typedef        uint32_t        ino_t;          /* inode number */
                     52: typedef        uint16_t        mode_t;         /* permissions */
                     53: typedef        uint16_t        nlink_t;        /* link count */
                     54: typedef        int32_t         off_t;          /* file offset */
                     55: typedef        int32_t         pid_t;          /* process id */
                     56: typedef        uint32_t        uid_t;          /* user id */
                     57: typedef unsigned long  rlim_t;         /* resource limit */
                     58:
                     59: #include <sys/endian.h>
                     60:
1.1.1.1.2.1! nbrk       61: #if !defined(_CLOCK_T)
        !            62: #define _CLOCK_T
        !            63: typedef        unsigned long   clock_t;        /* relative time in a specified resolution */
1.1       nbrk       64: #endif
                     65:
1.1.1.1.2.1! nbrk       66: #if !defined(_SIZE_T)
        !            67: #define _SIZE_T
        !            68: typedef        unsigned int    size_t;         /* size of something in bytes */
1.1       nbrk       69: #endif
                     70:
1.1.1.1.2.1! nbrk       71: #if !defined(_SSIZE_T)
        !            72: #define _SSIZE_T
        !            73: typedef        int             ssize_t;        /* size of something in bytes */
1.1       nbrk       74: #endif
                     75:
1.1.1.1.2.1! nbrk       76: #if !defined(_TIME_T)
        !            77: #define _TIME_T
        !            78: typedef        long            time_t;         /* time of day in seconds */
1.1       nbrk       79: #endif
                     80:
                     81: #define        NBBY    8               /* number of bits in a byte */
                     82:
1.1.1.1.2.1! nbrk       83: #ifndef KERNEL
1.1       nbrk       84: /*
                     85:  * Select uses bit masks of file descriptors in longs.  These macros
                     86:  * manipulate such bit fields (the filesystem macros use chars).
                     87:  * FD_SETSIZE may be defined by the user, but the default here should
                     88:  * be enough for most uses.
                     89:  */
                     90: #ifndef        FD_SETSIZE
                     91: #define        FD_SETSIZE      16
                     92: #endif
                     93:
                     94: typedef int32_t        fd_mask;
                     95: #define NFDBITS        (sizeof(fd_mask) * NBBY)        /* bits per mask */
                     96:
                     97: #ifndef howmany
                     98: #define        howmany(x, y)   (((x) + ((y) - 1)) / (y))
                     99: #endif
                    100:
                    101: typedef        struct fd_set {
                    102:        fd_mask fds_bits[howmany(FD_SETSIZE, NFDBITS)];
                    103: } fd_set;
                    104:
                    105: #define        FD_SET(n, p)    ((p)->fds_bits[(n)/NFDBITS] |= (1 << ((n) % NFDBITS)))
                    106: #define        FD_CLR(n, p)    ((p)->fds_bits[(n)/NFDBITS] &= ~(1 << ((n) % NFDBITS)))
                    107: #define        FD_ISSET(n, p)  ((p)->fds_bits[(n)/NFDBITS] & (1 << ((n) % NFDBITS)))
                    108: #define        FD_COPY(f, t)   bcopy(f, t, sizeof(*(f)))
                    109: #define        FD_ZERO(p)      bzero(p, sizeof(*(p)))
1.1.1.1.2.1! nbrk      110: #endif /* !KERNEL */
1.1       nbrk      111:
                    112: #endif /* !_SYS_TYPES_H_ */