Mercurial > hg > nginx
annotate src/os/unix/ngx_time.c @ 2621:9b5037e7ec7d release-0.7.46
nginx-0.7.46-RELEASE
author | Igor Sysoev <igor@sysoev.ru> |
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date | Mon, 30 Mar 2009 11:02:56 +0000 |
parents | bf38420c9e25 |
children | d620f497c50f |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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2220 | 11 /* |
12 * FreeBSD does not test /etc/localtime change, however, we can workaround it | |
13 * by calling tzset() with TZ and then without TZ to update timezone. | |
14 * The trick should work since FreeBSD 2.1.0. | |
15 * | |
16 * Linux does not test /etc/localtime change in localtime(), | |
17 * but may stat("/etc/localtime") several times in every strftime(), | |
18 * therefore we use it to update timezone. | |
19 * | |
20 * Solaris does not test /etc/TIMEZONE change too and no workaround available. | |
21 */ | |
22 | |
23 void | |
24 ngx_timezone_update(void) | |
25 { | |
26 #if (NGX_FREEBSD) | |
27 | |
28 if (getenv("TZ")) { | |
29 return; | |
30 } | |
31 | |
32 putenv("TZ=UTC"); | |
33 | |
34 tzset(); | |
35 | |
36 unsetenv("TZ"); | |
37 | |
38 tzset(); | |
39 | |
40 #elif (NGX_LINUX) | |
41 time_t s; | |
42 struct tm *t; | |
43 char buf[4]; | |
44 | |
45 s = time(0); | |
46 | |
47 t = localtime(&s); | |
48 | |
49 strftime(buf, 4, "%H", t); | |
50 | |
51 #endif | |
52 } | |
53 | |
54 | |
563 | 55 void |
56 ngx_localtime(time_t s, ngx_tm_t *tm) | |
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57 { |
469 | 58 #if (NGX_HAVE_LOCALTIME_R) |
563 | 59 (void) localtime_r(&s, tm); |
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61 #else |
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62 ngx_tm_t *t; |
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563 | 64 t = localtime(&s); |
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65 *tm = *t; |
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67 #endif |
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69 tm->ngx_tm_mon++; |
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70 tm->ngx_tm_year += 1900; |
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71 } |
509 | 72 |
73 | |
563 | 74 void |
75 ngx_libc_localtime(time_t s, struct tm *tm) | |
509 | 76 { |
77 #if (NGX_HAVE_LOCALTIME_R) | |
563 | 78 (void) localtime_r(&s, tm); |
509 | 79 |
80 #else | |
81 struct tm *t; | |
82 | |
563 | 83 t = localtime(&s); |
509 | 84 *tm = *t; |
85 | |
86 #endif | |
87 } | |
88 | |
89 | |
563 | 90 void |
91 ngx_libc_gmtime(time_t s, struct tm *tm) | |
509 | 92 { |
93 #if (NGX_HAVE_LOCALTIME_R) | |
563 | 94 (void) gmtime_r(&s, tm); |
509 | 95 |
96 #else | |
97 struct tm *t; | |
98 | |
563 | 99 t = gmtime(&s); |
509 | 100 *tm = *t; |
101 | |
102 #endif | |
103 } |