Mercurial > hg > nginx
annotate src/os/unix/ngx_time.c @ 7660:d33e17499088
Version bump.
| author | Maxim Dounin <mdounin@mdounin.ru> |
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| date | Tue, 26 May 2020 22:03:00 +0300 |
| parents | d620f497c50f |
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| rev | line source |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
| 4412 | 4 * Copyright (C) Nginx, Inc. |
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5 */ |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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| 2220 | 12 /* |
| 13 * FreeBSD does not test /etc/localtime change, however, we can workaround it | |
| 14 * by calling tzset() with TZ and then without TZ to update timezone. | |
| 15 * The trick should work since FreeBSD 2.1.0. | |
| 16 * | |
| 17 * Linux does not test /etc/localtime change in localtime(), | |
| 18 * but may stat("/etc/localtime") several times in every strftime(), | |
| 19 * therefore we use it to update timezone. | |
| 20 * | |
| 21 * Solaris does not test /etc/TIMEZONE change too and no workaround available. | |
| 22 */ | |
| 23 | |
| 24 void | |
| 25 ngx_timezone_update(void) | |
| 26 { | |
| 27 #if (NGX_FREEBSD) | |
| 28 | |
| 29 if (getenv("TZ")) { | |
| 30 return; | |
| 31 } | |
| 32 | |
| 33 putenv("TZ=UTC"); | |
| 34 | |
| 35 tzset(); | |
| 36 | |
| 37 unsetenv("TZ"); | |
| 38 | |
| 39 tzset(); | |
| 40 | |
| 41 #elif (NGX_LINUX) | |
| 42 time_t s; | |
| 43 struct tm *t; | |
| 44 char buf[4]; | |
| 45 | |
| 46 s = time(0); | |
| 47 | |
| 48 t = localtime(&s); | |
| 49 | |
| 50 strftime(buf, 4, "%H", t); | |
| 51 | |
| 52 #endif | |
| 53 } | |
| 54 | |
| 55 | |
| 563 | 56 void |
| 57 ngx_localtime(time_t s, ngx_tm_t *tm) | |
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58 { |
| 469 | 59 #if (NGX_HAVE_LOCALTIME_R) |
| 563 | 60 (void) localtime_r(&s, tm); |
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62 #else |
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63 ngx_tm_t *t; |
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| 563 | 65 t = localtime(&s); |
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66 *tm = *t; |
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68 #endif |
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70 tm->ngx_tm_mon++; |
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71 tm->ngx_tm_year += 1900; |
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72 } |
| 509 | 73 |
| 74 | |
| 563 | 75 void |
| 76 ngx_libc_localtime(time_t s, struct tm *tm) | |
| 509 | 77 { |
| 78 #if (NGX_HAVE_LOCALTIME_R) | |
| 563 | 79 (void) localtime_r(&s, tm); |
| 509 | 80 |
| 81 #else | |
| 82 struct tm *t; | |
| 83 | |
| 563 | 84 t = localtime(&s); |
| 509 | 85 *tm = *t; |
| 86 | |
| 87 #endif | |
| 88 } | |
| 89 | |
| 90 | |
| 563 | 91 void |
| 92 ngx_libc_gmtime(time_t s, struct tm *tm) | |
| 509 | 93 { |
| 94 #if (NGX_HAVE_LOCALTIME_R) | |
| 563 | 95 (void) gmtime_r(&s, tm); |
| 509 | 96 |
| 97 #else | |
| 98 struct tm *t; | |
| 99 | |
| 563 | 100 t = gmtime(&s); |
| 509 | 101 *tm = *t; |
| 102 | |
| 103 #endif | |
| 104 } |