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1 | 13 | up20180614 | /* $NetBSD: time.h,v 1.44 2014/10/07 21:50:36 christos Exp $ */
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2 | |||
3 | /*
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4 | * Copyright (c) 1989, 1993
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5 | * The Regents of the University of California. All rights reserved.
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6 | * (c) UNIX System Laboratories, Inc.
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7 | * All or some portions of this file are derived from material licensed
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8 | * to the University of California by American Telephone and Telegraph
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9 | * Co. or Unix System Laboratories, Inc. and are reproduced herein with
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10 | * the permission of UNIX System Laboratories, Inc.
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11 | *
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12 | * Redistribution and use in source and binary forms, with or without
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13 | * modification, are permitted provided that the following conditions
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14 | * are met:
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15 | * 1. Redistributions of source code must retain the above copyright
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16 | * notice, this list of conditions and the following disclaimer.
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17 | * 2. Redistributions in binary form must reproduce the above copyright
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18 | * notice, this list of conditions and the following disclaimer in the
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19 | * documentation and/or other materials provided with the distribution.
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20 | * 3. Neither the name of the University nor the names of its contributors
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21 | * may be used to endorse or promote products derived from this software
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22 | * without specific prior written permission.
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23 | *
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24 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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25 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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30 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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31 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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32 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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33 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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34 | * SUCH DAMAGE.
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35 | *
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36 | * @(#)time.h 8.3 (Berkeley) 1/21/94
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37 | */
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38 | |||
39 | #ifndef _TIME_H_
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40 | #define _TIME_H_
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41 | |||
42 | #include <sys/cdefs.h> |
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43 | #include <sys/featuretest.h> |
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44 | #include <machine/ansi.h> |
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45 | |||
46 | #include <sys/null.h> |
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47 | |||
48 | #ifdef _BSD_CLOCK_T_
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49 | typedef _BSD_CLOCK_T_ clock_t;
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50 | #undef _BSD_CLOCK_T_
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51 | #endif
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52 | |||
53 | #ifdef _BSD_TIME_T_
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54 | typedef _BSD_TIME_T_ time_t;
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55 | #undef _BSD_TIME_T_
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56 | #endif
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57 | |||
58 | #ifdef _BSD_SIZE_T_
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59 | typedef _BSD_SIZE_T_ size_t;
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60 | #undef _BSD_SIZE_T_
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61 | #endif
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62 | |||
63 | #ifdef _BSD_CLOCKID_T_
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64 | typedef _BSD_CLOCKID_T_ clockid_t;
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65 | #undef _BSD_CLOCKID_T_
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66 | #endif
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67 | |||
68 | #ifdef _BSD_TIMER_T_
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69 | typedef _BSD_TIMER_T_ timer_t;
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70 | #undef _BSD_TIMER_T_
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71 | #endif
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72 | |||
73 | #define CLOCKS_PER_SEC 100 |
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74 | |||
75 | struct tm {
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76 | int tm_sec; /* seconds after the minute [0-61] */ |
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77 | int tm_min; /* minutes after the hour [0-59] */ |
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78 | int tm_hour; /* hours since midnight [0-23] */ |
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79 | int tm_mday; /* day of the month [1-31] */ |
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80 | int tm_mon; /* months since January [0-11] */ |
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81 | int tm_year; /* years since 1900 */ |
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82 | int tm_wday; /* days since Sunday [0-6] */ |
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83 | int tm_yday; /* days since January 1 [0-365] */ |
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84 | int tm_isdst; /* Daylight Savings Time flag */ |
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85 | long tm_gmtoff; /* offset from UTC in seconds */ |
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86 | __aconst char *tm_zone; /* timezone abbreviation */ |
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87 | }; |
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88 | |||
89 | __BEGIN_DECLS |
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90 | char *asctime(const struct tm *); |
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91 | clock_t clock(void);
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92 | #ifndef __LIBC12_SOURCE__
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93 | char *ctime(const time_t *) __RENAME(__ctime50); |
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94 | double difftime(time_t, time_t) __RENAME(__difftime50);
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95 | struct tm *gmtime(const time_t *) __RENAME(__gmtime50); |
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96 | struct tm *localtime(const time_t *) __RENAME(__locatime50); |
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97 | time_t time(time_t *) __RENAME(__time50); |
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98 | time_t mktime(struct tm *) __RENAME(__mktime50);
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99 | #endif
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100 | size_t strftime(char * __restrict, size_t, const char * __restrict, |
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101 | const struct tm * __restrict) |
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102 | __attribute__((__format__(__strftime__, 3, 0))); |
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103 | |||
104 | #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
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105 | defined(_NETBSD_SOURCE) |
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106 | #ifndef __LIBC12_SOURCE__
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107 | /*
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108 | * CLK_TCK uses libc's internal __sysconf() to retrieve the machine's
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109 | * HZ. The value of _SC_CLK_TCK is 39 -- we hard code it so we do not
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110 | * need to include unistd.h
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111 | */
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112 | long __sysconf(int); |
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113 | #define CLK_TCK (__sysconf(39)) |
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114 | #endif
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115 | #endif
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116 | |||
117 | extern __aconst char *tzname[2]; |
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118 | #ifndef __LIBC12_SOURCE__
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119 | void tzset(void) __RENAME(__tzset50); |
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120 | #endif
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121 | |||
122 | /*
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123 | * X/Open Portability Guide >= Issue 4
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124 | */
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125 | #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
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126 | extern int daylight; |
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127 | #ifndef __LIBC12_SOURCE__
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128 | extern long int timezone __RENAME(__timezone13); |
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129 | #endif
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130 | char *strptime(const char * __restrict, const char * __restrict, |
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131 | struct tm * __restrict);
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132 | #endif
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133 | |||
134 | #if (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
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135 | defined(_NETBSD_SOURCE) |
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136 | struct tm *getdate(const char *); |
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137 | extern int getdate_err; |
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138 | #endif
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139 | |||
140 | #if (_POSIX_C_SOURCE - 0) >= 199309L || (_XOPEN_SOURCE - 0) >= 500 || \ |
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141 | defined(_NETBSD_SOURCE) |
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142 | #include <sys/time.h> /* XXX for struct timespec */ |
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143 | struct sigevent;
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144 | struct itimerspec;
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145 | int clock_nanosleep(clockid_t, int, const struct timespec *, struct timespec *); |
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146 | #ifndef __LIBC12_SOURCE__
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147 | int clock_getres(clockid_t, struct timespec *) |
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148 | __RENAME(__clock_getres50); |
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149 | int clock_gettime(clockid_t, struct timespec *) |
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150 | __RENAME(__clock_gettime50); |
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151 | int clock_settime(clockid_t, const struct timespec *) |
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152 | __RENAME(__clock_settime50); |
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153 | int nanosleep(const struct timespec *, struct timespec *) |
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154 | __RENAME(__nanosleep50); |
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155 | int timer_gettime(timer_t, struct itimerspec *) __RENAME(__timer_gettime50); |
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156 | int timer_settime(timer_t, int, const struct itimerspec * __restrict, |
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157 | struct itimerspec * __restrict) __RENAME(__timer_settime50);
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158 | #endif
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159 | int timer_create(clockid_t, struct sigevent * __restrict, |
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160 | timer_t * __restrict); |
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161 | int timer_delete(timer_t);
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162 | int timer_getoverrun(timer_t);
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163 | #endif /* _POSIX_C_SOURCE >= 199309 || _XOPEN_SOURCE >= 500 || ... */ |
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164 | |||
165 | #if (_POSIX_C_SOURCE - 0) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \ |
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166 | defined(_REENTRANT) || defined(_NETBSD_SOURCE) |
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167 | char *asctime_r(const struct tm * __restrict, char * __restrict); |
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168 | #ifndef __LIBC12_SOURCE__
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169 | char *ctime_r(const time_t *, char *) __RENAME(__ctime_r50); |
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170 | struct tm *gmtime_r(const time_t * __restrict, struct tm * __restrict) |
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171 | __RENAME(__gmtime_r50); |
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172 | struct tm *localtime_r(const time_t * __restrict, struct tm * __restrict) |
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173 | __RENAME(__localtime_r50); |
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174 | #endif
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175 | #endif
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176 | |||
177 | #if (_POSIX_C_SOURCE - 0) >= 200809L || defined(_NETBSD_SOURCE) |
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178 | # ifndef __LOCALE_T_DECLARED
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179 | typedef struct _locale *locale_t; |
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180 | # define __LOCALE_T_DECLARED
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181 | # endif
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182 | size_t strftime_l(char * __restrict, size_t, const char * __restrict, |
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183 | const struct tm * __restrict, locale_t) |
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184 | __attribute__((__format__(__strftime__, 3, 0))); |
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185 | #endif
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186 | |||
187 | #if defined(_NETBSD_SOURCE)
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188 | |||
189 | typedef struct __state *timezone_t; |
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190 | |||
191 | #ifndef __LIBC12_SOURCE__
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192 | time_t time2posix(time_t) __RENAME(__time2posix50); |
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193 | time_t posix2time(time_t) __RENAME(__posix2time50); |
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194 | time_t timegm(struct tm *) __RENAME(__timegm50);
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195 | time_t timeoff(struct tm *, long) __RENAME(__timeoff50); |
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196 | time_t timelocal(struct tm *) __RENAME(__timelocal50);
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197 | struct tm *offtime(const time_t *, long) __RENAME(__offtime50); |
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198 | void tzsetwall(void) __RENAME(__tzsetwall50); |
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199 | |||
200 | struct tm *offtime_r(const time_t *, long, struct tm *) __RENAME(__offtime_r50); |
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201 | struct tm *localtime_rz(timezone_t __restrict, const time_t * __restrict, |
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202 | struct tm * __restrict) __RENAME(__localtime_rz50);
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203 | char *ctime_rz(timezone_t __restrict, const time_t *, char *) |
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204 | __RENAME(__ctime_rz50); |
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205 | time_t mktime_z(timezone_t __restrict, struct tm * __restrict)
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206 | __RENAME(__mktime_z50); |
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207 | time_t timelocal_z(timezone_t __restrict, struct tm *)
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208 | __RENAME(__timelocal_z50); |
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209 | time_t time2posix_z(timezone_t __restrict, time_t) __RENAME(__time2posix_z50); |
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210 | time_t posix2time_z(timezone_t __restrict, time_t) __RENAME(__posix2time_z50); |
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211 | timezone_t tzalloc(const char *) __RENAME(__tzalloc50); |
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212 | void tzfree(timezone_t __restrict) __RENAME(__tzfree50);
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213 | const char *tzgetname(timezone_t __restrict, int) __RENAME(__tzgetname50); |
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214 | #endif
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215 | |||
216 | size_t strftime_lz(timezone_t __restrict, char * __restrict, size_t,
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217 | const char * __restrict, const struct tm * __restrict, locale_t) |
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218 | __attribute__((__format__(__strftime__, 4, 0))); |
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219 | size_t strftime_z(timezone_t __restrict, char * __restrict, size_t,
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220 | const char * __restrict, const struct tm * __restrict) |
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221 | __attribute__((__format__(__strftime__, 4, 0))); |
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222 | char *strptime_l(const char * __restrict, const char * __restrict, |
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223 | struct tm * __restrict, locale_t);
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224 | |||
225 | #endif /* _NETBSD_SOURCE */ |
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226 | |||
227 | __END_DECLS |
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228 | |||
229 | #endif /* !_TIME_H_ */ |