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1c79356b | 1 | /* |
2d21ac55 | 2 | * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved. |
5d5c5d0d | 3 | * |
2d21ac55 | 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
1c79356b | 5 | * |
2d21ac55 A |
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. | |
8f6c56a5 | 14 | * |
2d21ac55 A |
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 | |
8f6c56a5 A |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
2d21ac55 A |
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. | |
8f6c56a5 | 25 | * |
2d21ac55 | 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
1c79356b A |
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 | ||
91447636 A |
67 | #include <sys/cdefs.h> |
68 | #include <sys/_types.h> | |
2d21ac55 A |
69 | #ifdef KERNEL |
70 | #include <machine/types.h> /* user_time_t */ | |
71 | #endif /* KERNEL */ | |
72 | ||
73 | /* | |
74 | * [XSI] The fd_set type shall be defined as described in <sys/select.h>. | |
75 | * The timespec structure shall be defined as described in <time.h> | |
76 | */ | |
77 | #define __need_fd_set | |
78 | #define __need_struct_timespec | |
79 | #define __need_struct_timeval | |
80 | #ifdef KERNEL | |
81 | #define __need_struct_user_timespec | |
b0d623f7 A |
82 | #define __need_struct_user32_timespec |
83 | #define __need_struct_user64_timespec | |
84 | #define __need_struct_user_timeval | |
85 | #define __need_struct_user32_timeval | |
86 | #define __need_struct_user64_timeval | |
87 | #define __need_struct_user32_itimerval | |
88 | #define __need_struct_user64_itimerval | |
2d21ac55 A |
89 | #endif /* KERNEL */ |
90 | #include <sys/_structs.h> | |
91447636 A |
91 | |
92 | #ifndef _TIME_T | |
93 | #define _TIME_T | |
94 | typedef __darwin_time_t time_t; | |
95 | #endif | |
96 | ||
97 | #ifndef _SUSECONDS_T | |
98 | #define _SUSECONDS_T | |
99 | typedef __darwin_suseconds_t suseconds_t; | |
100 | #endif | |
101 | ||
91447636 A |
102 | /* |
103 | * Structure used as a parameter by getitimer(2) and setitimer(2) system | |
104 | * calls. | |
105 | */ | |
106 | struct itimerval { | |
107 | struct timeval it_interval; /* timer interval */ | |
108 | struct timeval it_value; /* current value */ | |
1c79356b A |
109 | }; |
110 | ||
91447636 A |
111 | /* |
112 | * Names of the interval timers, and structure | |
113 | * defining a timer setting. | |
114 | */ | |
115 | #define ITIMER_REAL 0 | |
116 | #define ITIMER_VIRTUAL 1 | |
117 | #define ITIMER_PROF 2 | |
118 | ||
91447636 A |
119 | /* |
120 | * Select uses bit masks of file descriptors in longs. These macros | |
121 | * manipulate such bit fields (the filesystem macros use chars). The | |
122 | * extra protection here is to permit application redefinition above | |
123 | * the default size. | |
124 | */ | |
125 | #ifndef FD_SETSIZE | |
2d21ac55 A |
126 | #define FD_SETSIZE __DARWIN_FD_SETSIZE |
127 | #endif /* FD_SETSIZE */ | |
128 | #ifndef FD_SET | |
129 | #define FD_SET(n, p) __DARWIN_FD_SET(n, p) | |
130 | #endif /* FD_SET */ | |
131 | #ifndef FD_CLR | |
132 | #define FD_CLR(n,p) __DARWIN_FD_CLR(n, p) | |
133 | #endif /* FD_CLR */ | |
134 | #ifndef FD_ISSET | |
135 | #define FD_ISSET(n, p) __DARWIN_FD_ISSET(n, p) | |
136 | #endif /* FD_ISSET */ | |
137 | #ifndef FD_ZERO | |
138 | #define FD_ZERO(p) __DARWIN_FD_ZERO(p) | |
139 | #endif /* FD_ZERO */ | |
140 | ||
141 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) | |
142 | ||
143 | #ifndef FD_COPY | |
144 | #define FD_COPY(f, t) __DARWIN_FD_COPY(f, t) | |
145 | #endif /* FD_COPY */ | |
0c530ab8 | 146 | |
1c79356b A |
147 | #define TIMEVAL_TO_TIMESPEC(tv, ts) { \ |
148 | (ts)->tv_sec = (tv)->tv_sec; \ | |
149 | (ts)->tv_nsec = (tv)->tv_usec * 1000; \ | |
150 | } | |
151 | #define TIMESPEC_TO_TIMEVAL(tv, ts) { \ | |
152 | (tv)->tv_sec = (ts)->tv_sec; \ | |
153 | (tv)->tv_usec = (ts)->tv_nsec / 1000; \ | |
154 | } | |
155 | ||
156 | struct timezone { | |
157 | int tz_minuteswest; /* minutes west of Greenwich */ | |
158 | int tz_dsttime; /* type of dst correction */ | |
159 | }; | |
160 | #define DST_NONE 0 /* not on dst */ | |
161 | #define DST_USA 1 /* USA style dst */ | |
162 | #define DST_AUST 2 /* Australian style dst */ | |
163 | #define DST_WET 3 /* Western European dst */ | |
164 | #define DST_MET 4 /* Middle European dst */ | |
165 | #define DST_EET 5 /* Eastern European dst */ | |
166 | #define DST_CAN 6 /* Canada */ | |
167 | ||
1c79356b A |
168 | /* Operations on timevals. */ |
169 | #define timerclear(tvp) (tvp)->tv_sec = (tvp)->tv_usec = 0 | |
170 | #define timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec) | |
171 | #define timercmp(tvp, uvp, cmp) \ | |
172 | (((tvp)->tv_sec == (uvp)->tv_sec) ? \ | |
173 | ((tvp)->tv_usec cmp (uvp)->tv_usec) : \ | |
174 | ((tvp)->tv_sec cmp (uvp)->tv_sec)) | |
175 | #define timeradd(tvp, uvp, vvp) \ | |
176 | do { \ | |
177 | (vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \ | |
178 | (vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \ | |
179 | if ((vvp)->tv_usec >= 1000000) { \ | |
180 | (vvp)->tv_sec++; \ | |
181 | (vvp)->tv_usec -= 1000000; \ | |
182 | } \ | |
183 | } while (0) | |
184 | #define timersub(tvp, uvp, vvp) \ | |
185 | do { \ | |
186 | (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \ | |
187 | (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \ | |
188 | if ((vvp)->tv_usec < 0) { \ | |
189 | (vvp)->tv_sec--; \ | |
190 | (vvp)->tv_usec += 1000000; \ | |
191 | } \ | |
192 | } while (0) | |
193 | ||
55e303ae A |
194 | #define timevalcmp(l, r, cmp) timercmp(l, r, cmp) /* freebsd */ |
195 | ||
1c79356b A |
196 | /* |
197 | * Getkerninfo clock information structure | |
198 | */ | |
199 | struct clockinfo { | |
200 | int hz; /* clock frequency */ | |
201 | int tick; /* micro-seconds per hz tick */ | |
202 | int tickadj; /* clock skew rate for adjtime() */ | |
203 | int stathz; /* statistics clock frequency */ | |
204 | int profhz; /* profiling clock frequency */ | |
205 | }; | |
2d21ac55 | 206 | #endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ |
1c79356b A |
207 | |
208 | #ifdef KERNEL | |
91447636 | 209 | |
2d21ac55 | 210 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
91447636 A |
211 | __BEGIN_DECLS |
212 | void microtime(struct timeval *tv); | |
213 | void microuptime(struct timeval *tv); | |
9bccf70c A |
214 | #define getmicrotime(a) microtime(a) |
215 | #define getmicrouptime(a) microuptime(a) | |
91447636 A |
216 | void nanotime(struct timespec *ts); |
217 | void nanouptime(struct timespec *ts); | |
9bccf70c A |
218 | #define getnanotime(a) nanotime(a) |
219 | #define getnanouptime(a) nanouptime(a) | |
91447636 A |
220 | void timevaladd(struct timeval *t1, struct timeval *t2); |
221 | void timevalsub(struct timeval *t1, struct timeval *t2); | |
222 | void timevalfix(struct timeval *t1); | |
223 | #ifdef BSD_KERNEL_PRIVATE | |
224 | time_t boottime_sec(void); | |
2d21ac55 | 225 | void inittodr(time_t base) __attribute__((section("__TEXT, initcode"))); |
91447636 A |
226 | #endif /* BSD_KERNEL_PRIVATE */ |
227 | ||
228 | __END_DECLS | |
229 | ||
2d21ac55 | 230 | #endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ |
9bccf70c | 231 | |
1c79356b | 232 | #else /* !KERNEL */ |
91447636 | 233 | |
2d21ac55 | 234 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
1c79356b | 235 | #include <time.h> |
2d21ac55 A |
236 | #endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ |
237 | ||
238 | __BEGIN_DECLS | |
1c79356b | 239 | |
2d21ac55 | 240 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
91447636 A |
241 | int adjtime(const struct timeval *, struct timeval *); |
242 | int futimes(int, const struct timeval *); | |
2d21ac55 | 243 | int lutimes(const char *, const struct timeval *); |
91447636 | 244 | int settimeofday(const struct timeval *, const struct timezone *); |
2d21ac55 | 245 | #endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ |
91447636 A |
246 | |
247 | int getitimer(int, struct itimerval *); | |
2d21ac55 A |
248 | int gettimeofday(struct timeval * __restrict, void * __restrict); |
249 | ||
250 | #include <sys/_select.h> /* select() prototype */ | |
251 | ||
91447636 A |
252 | int setitimer(int, const struct itimerval * __restrict, |
253 | struct itimerval * __restrict); | |
254 | int utimes(const char *, const struct timeval *); | |
1c79356b | 255 | |
1c79356b | 256 | __END_DECLS |
1c79356b A |
257 | |
258 | #endif /* !KERNEL */ | |
259 | ||
260 | #endif /* !_SYS_TIME_H_ */ |