Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_time.c @ 4569:1db899642518
Upstream: reject upstreams without normal servers.
Such upstreams cause CPU hog later in the code as number of peers isn't
expected to be 0. Currently this may happen either if there are only backup
servers defined in an upstream block, or if server with ipv6 address used
in an upstream block.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Mon, 02 Apr 2012 21:29:35 +0000 |
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 } |