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Annotation of prex-old/include/sys/types.h, Revision 1.1.1.1

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/ansi.h>
                     42: #include <machine/types.h>
                     43: #include <prex/types.h>
                     44:
                     45: typedef        unsigned char   u_char;
                     46: typedef        unsigned short  u_short;
                     47: typedef        unsigned int    u_int;
                     48: typedef        unsigned long   u_long;
                     49: typedef        unsigned short  ushort;         /* Sys V compatibility */
                     50: typedef        unsigned int    uint;           /* Sys V compatibility */
                     51:
                     52: typedef        uint32_t        dev_t;          /* device number */
                     53: typedef        uint32_t        gid_t;          /* group id */
                     54: typedef        uint32_t        ino_t;          /* inode number */
                     55: typedef        uint16_t        mode_t;         /* permissions */
                     56: typedef        uint16_t        nlink_t;        /* link count */
                     57: typedef        int32_t         off_t;          /* file offset */
                     58: typedef        int32_t         pid_t;          /* process id */
                     59: typedef        uint32_t        uid_t;          /* user id */
                     60: typedef unsigned long  rlim_t;         /* resource limit */
                     61:
                     62: #include <sys/endian.h>
                     63:
                     64: #ifdef _BSD_CLOCK_T_
                     65: typedef        _BSD_CLOCK_T_   clock_t;
                     66: #undef _BSD_CLOCK_T_
                     67: #endif
                     68:
                     69: #ifdef _BSD_SIZE_T_
                     70: typedef        _BSD_SIZE_T_    size_t;
                     71: #undef _BSD_SIZE_T_
                     72: #endif
                     73:
                     74: #ifdef _BSD_SSIZE_T_
                     75: typedef        _BSD_SSIZE_T_   ssize_t;
                     76: #undef _BSD_SSIZE_T_
                     77: #endif
                     78:
                     79: #ifdef _BSD_TIME_T_
                     80: typedef        _BSD_TIME_T_    time_t;
                     81: #undef _BSD_TIME_T_
                     82: #endif
                     83:
                     84: #ifndef _POSIX_SOURCE
                     85: #define        NBBY    8               /* number of bits in a byte */
                     86:
                     87: /*
                     88:  * Select uses bit masks of file descriptors in longs.  These macros
                     89:  * manipulate such bit fields (the filesystem macros use chars).
                     90:  * FD_SETSIZE may be defined by the user, but the default here should
                     91:  * be enough for most uses.
                     92:  */
                     93: #ifndef        FD_SETSIZE
                     94: #define        FD_SETSIZE      16
                     95: #endif
                     96:
                     97: typedef int32_t        fd_mask;
                     98: #define NFDBITS        (sizeof(fd_mask) * NBBY)        /* bits per mask */
                     99:
                    100: #ifndef howmany
                    101: #define        howmany(x, y)   (((x) + ((y) - 1)) / (y))
                    102: #endif
                    103:
                    104: typedef        struct fd_set {
                    105:        fd_mask fds_bits[howmany(FD_SETSIZE, NFDBITS)];
                    106: } fd_set;
                    107:
                    108: #define        FD_SET(n, p)    ((p)->fds_bits[(n)/NFDBITS] |= (1 << ((n) % NFDBITS)))
                    109: #define        FD_CLR(n, p)    ((p)->fds_bits[(n)/NFDBITS] &= ~(1 << ((n) % NFDBITS)))
                    110: #define        FD_ISSET(n, p)  ((p)->fds_bits[(n)/NFDBITS] & (1 << ((n) % NFDBITS)))
                    111: #define        FD_COPY(f, t)   bcopy(f, t, sizeof(*(f)))
                    112: #define        FD_ZERO(p)      bzero(p, sizeof(*(p)))
                    113:
                    114: #if defined(__STDC__) && defined(KERNEL)
                    115: /*
                    116:  * Forward structure declarations for function prototypes.  We include the
                    117:  * common structures that cross subsystem boundaries here; others are mostly
                    118:  * used in the same place that the structure is defined.
                    119:  */
                    120: struct pgrp;
                    121: struct rusage;
                    122: struct file;
                    123: struct buf;
                    124: struct tty;
                    125: #endif
                    126:
                    127: #endif /* !_POSIX_SOURCE */
                    128: #endif /* !_SYS_TYPES_H_ */