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_ */
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