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Root/tags/2.0/i386/include/sys/time.h

Source at commit 1808 created 12 years 4 months ago.
By blackosx, Revise layout of package installer 'Welcome' file so it looks cleaner. Change the copyright notice to begin from 2009 as seen in the Chameleon 2.0 r431 installer. Should this date be set earlier?
1/*␊
2 * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.␊
3 *␊
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@␊
5 * ␊
6 * This file contains Original Code and/or Modifications of Original Code␊
7 * as defined in and that are subject to the Apple Public Source License␊
8 * Version 2.0 (the 'License'). You may not use this file except in␊
9 * compliance with the License. The rights granted to you under the License␊
10 * may not be used to create, or enable the creation or redistribution of,␊
11 * unlawful or unlicensed copies of an Apple operating system, or to␊
12 * circumvent, violate, or enable the circumvention or violation of, any␊
13 * terms of an Apple operating system software license agreement.␊
14 * ␊
15 * Please obtain a copy of the License at␊
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.␊
17 * ␊
18 * The Original Code and all software distributed under the License are␊
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.␊
23 * Please see the License for the specific language governing rights and␊
24 * limitations under the License.␊
25 * ␊
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@␊
27 */␊
28/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */␊
29/*␊
30 * Copyright (c) 1982, 1986, 1993␊
31 *␉The Regents of the University of California. All rights reserved.␊
32 *␊
33 * Redistribution and use in source and binary forms, with or without␊
34 * modification, are permitted provided that the following conditions␊
35 * are met:␊
36 * 1. Redistributions of source code must retain the above copyright␊
37 * notice, this list of conditions and the following disclaimer.␊
38 * 2. Redistributions in binary form must reproduce the above copyright␊
39 * notice, this list of conditions and the following disclaimer in the␊
40 * documentation and/or other materials provided with the distribution.␊
41 * 3. All advertising materials mentioning features or use of this software␊
42 * must display the following acknowledgement:␊
43 *␉This product includes software developed by the University of␊
44 *␉California, Berkeley and its contributors.␊
45 * 4. Neither the name of the University nor the names of its contributors␊
46 * may be used to endorse or promote products derived from this software␊
47 * without specific prior written permission.␊
48 *␊
49 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND␊
50 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE␊
51 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE␊
52 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE␊
53 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL␊
54 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS␊
55 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)␊
56 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT␊
57 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY␊
58 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF␊
59 * SUCH DAMAGE.␊
60 *␊
61 *␉@(#)time.h␉8.2 (Berkeley) 7/10/94␊
62 */␊
63␊
64#ifndef _SYS_TIME_H_␊
65#define _SYS_TIME_H_␊
66␊
67#include <sys/cdefs.h>␊
68#include <sys/_types.h>␊
69␊
70/*␊
71 * [XSI] The fd_set type shall be defined as described in <sys/select.h>.␊
72 * The timespec structure shall be defined as described in <time.h>␊
73 */␊
74#define __need_fd_set␊
75#define __need_struct_timespec␊
76#define __need_struct_timeval␊
77#include <sys/_structs.h>␊
78␊
79#ifndef␉_TIME_T␊
80#define␉_TIME_T␊
81typedef␉__darwin_time_t␉time_t;␊
82#endif␊
83␊
84#ifndef _SUSECONDS_T␊
85#define _SUSECONDS_T␊
86typedef __darwin_suseconds_t␉suseconds_t;␊
87#endif␊
88␊
89/*␊
90 * Structure used as a parameter by getitimer(2) and setitimer(2) system␊
91 * calls.␊
92 */␊
93struct␉itimerval {␊
94␉struct␉timeval it_interval;␉/* timer interval */␊
95␉struct␉timeval it_value;␉/* current value */␊
96};␊
97␊
98/*␊
99 * Names of the interval timers, and structure␊
100 * defining a timer setting.␊
101 */␊
102#define␉ITIMER_REAL␉0␊
103#define␉ITIMER_VIRTUAL␉1␊
104#define␉ITIMER_PROF␉2␊
105␊
106/*␊
107 * Select uses bit masks of file descriptors in longs. These macros␊
108 * manipulate such bit fields (the filesystem macros use chars). The␊
109 * extra protection here is to permit application redefinition above␊
110 * the default size.␊
111 */␊
112#ifndef␉FD_SETSIZE␊
113#define␉FD_SETSIZE␉__DARWIN_FD_SETSIZE␊
114#endif␉/* FD_SETSIZE */␊
115#ifndef FD_SET␊
116#define␉FD_SET(n, p)␉__DARWIN_FD_SET(n, p)␊
117#endif␉/* FD_SET */␊
118#ifndef␉FD_CLR␊
119#define␉FD_CLR(n,p)␉__DARWIN_FD_CLR(n, p)␊
120#endif␉/* FD_CLR */␊
121#ifndef FD_ISSET␊
122#define␉FD_ISSET(n, p)␉__DARWIN_FD_ISSET(n, p)␊
123#endif␉/* FD_ISSET */␊
124#ifndef FD_ZERO␊
125#define␉FD_ZERO(p)␉__DARWIN_FD_ZERO(p)␊
126#endif␉/* FD_ZERO */␊
127␊
128#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊
129␊
130#ifndef FD_COPY␊
131#define␉FD_COPY(f, t)␉__DARWIN_FD_COPY(f, t)␊
132#endif␉/* FD_COPY */␊
133␊
134#define␉TIMEVAL_TO_TIMESPEC(tv, ts) {␉␉␉␉␉\␊
135␉(ts)->tv_sec = (tv)->tv_sec;␉␉␉␉␉\␊
136␉(ts)->tv_nsec = (tv)->tv_usec * 1000;␉␉␉␉\␊
137}␊
138#define␉TIMESPEC_TO_TIMEVAL(tv, ts) {␉␉␉␉␉\␊
139␉(tv)->tv_sec = (ts)->tv_sec;␉␉␉␉␉\␊
140␉(tv)->tv_usec = (ts)->tv_nsec / 1000;␉␉␉␉\␊
141}␊
142␊
143struct timezone {␊
144␉int␉tz_minuteswest;␉/* minutes west of Greenwich */␊
145␉int␉tz_dsttime;␉/* type of dst correction */␊
146};␊
147#define␉DST_NONE␉0␉/* not on dst */␊
148#define␉DST_USA␉␉1␉/* USA style dst */␊
149#define␉DST_AUST␉2␉/* Australian style dst */␊
150#define␉DST_WET␉␉3␉/* Western European dst */␊
151#define␉DST_MET␉␉4␉/* Middle European dst */␊
152#define␉DST_EET␉␉5␉/* Eastern European dst */␊
153#define␉DST_CAN␉␉6␉/* Canada */␊
154␊
155/* Operations on timevals. */␊
156#define␉timerclear(tvp)␉␉(tvp)->tv_sec = (tvp)->tv_usec = 0␊
157#define␉timerisset(tvp)␉␉((tvp)->tv_sec || (tvp)->tv_usec)␊
158#define␉timercmp(tvp, uvp, cmp)␉␉␉␉␉␉\␊
159␉(((tvp)->tv_sec == (uvp)->tv_sec) ?␉␉␉␉\␊
160␉ ((tvp)->tv_usec cmp (uvp)->tv_usec) :␉␉␉\␊
161␉ ((tvp)->tv_sec cmp (uvp)->tv_sec))␊
162#define␉timeradd(tvp, uvp, vvp)␉␉␉␉␉␉\␊
163␉do {␉␉␉␉␉␉␉␉\␊
164␉␉(vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec;␉␉\␊
165␉␉(vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec;␉\␊
166␉␉if ((vvp)->tv_usec >= 1000000) {␉␉␉\␊
167␉␉␉(vvp)->tv_sec++;␉␉␉␉\␊
168␉␉␉(vvp)->tv_usec -= 1000000;␉␉␉\␊
169␉␉}␉␉␉␉␉␉␉\␊
170␉} while (0)␊
171#define␉timersub(tvp, uvp, vvp)␉␉␉␉␉␉\␊
172␉do {␉␉␉␉␉␉␉␉\␊
173␉␉(vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec;␉␉\␊
174␉␉(vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec;␉\␊
175␉␉if ((vvp)->tv_usec < 0) {␉␉␉␉\␊
176␉␉␉(vvp)->tv_sec--;␉␉␉␉\␊
177␉␉␉(vvp)->tv_usec += 1000000;␉␉␉\␊
178␉␉}␉␉␉␉␉␉␉\␊
179␉} while (0)␊
180␊
181#define timevalcmp(l, r, cmp) timercmp(l, r, cmp) /* freebsd */␊
182␊
183/*␊
184 * Getkerninfo clock information structure␊
185 */␊
186struct clockinfo {␊
187␉int␉hz;␉␉/* clock frequency */␊
188␉int␉tick;␉␉/* micro-seconds per hz tick */␊
189␉int␉tickadj;␉/* clock skew rate for adjtime() */␊
190␉int␉stathz;␉␉/* statistics clock frequency */␊
191␉int␉profhz;␉␉/* profiling clock frequency */␊
192};␊
193#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */␊
194␊
195␊
196#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊
197#include <time.h>␊
198#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */␊
199␊
200__BEGIN_DECLS␊
201␊
202#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊
203int␉adjtime(const struct timeval *, struct timeval *);␊
204int␉futimes(int, const struct timeval *);␊
205int␉lutimes(const char *, const struct timeval *);␊
206int␉settimeofday(const struct timeval *, const struct timezone *);␊
207#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */␊
208␊
209int␉getitimer(int, struct itimerval *);␊
210int␉gettimeofday(struct timeval * __restrict, void * __restrict);␊
211␊
212#include <sys/_select.h>␉/* select() prototype */␊
213␊
214int␉setitimer(int, const struct itimerval * __restrict,␊
215␉␉struct itimerval * __restrict);␊
216int␉utimes(const char *, const struct timeval *);␊
217␊
218__END_DECLS␊
219␊
220␊
221#endif /* !_SYS_TIME_H_ */␊
222

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