Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_time.c @ 220:4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 08 Jan 2004 08:47:17 +0000 |
parents | 9f3a78b06c48 |
children | 4b1a3a4acc60 |
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2 #include <ngx_config.h> |
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3 #include <ngx_core.h> |
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6 void ngx_localtime(ngx_tm_t *tm) |
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7 { |
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8 #if (HAVE_LOCALTIME_R) |
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10 localtime_r(&ngx_cached_time, tm); |
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12 #else |
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13 ngx_tm_t *t; |
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14 |
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15 t = localtime(&ngx_cached_time); |
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16 *tm = *t; |
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17 |
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18 #endif |
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20 tm->ngx_tm_mon++; |
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21 tm->ngx_tm_year += 1900; |
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22 } |
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26 #if 0 |
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28 typedef struct { |
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29 int busy; |
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30 u_int_64 msec; |
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31 time_t sec; |
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32 tm; |
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33 http_time_len; |
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34 http_time[n]; |
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35 }; |
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36 |
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37 volatile *ngx_time_p; |
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38 |
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39 ngx_time() |
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40 { |
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41 p = ngx_time_p; |
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42 } |
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43 |
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44 ngx_update_time() |
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45 { |
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46 u_int64 msec; |
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47 struct timeval tv; |
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48 |
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49 gettimeofday(&tv, NULL); |
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50 |
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51 msec = (unsigned long) tv.tv_sec * 1000 + tv.tv_usec / 1000; |
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52 p = ngx_time_p; |
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53 |
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54 /* minimum can be for example 0, 10, 50 or 100 ms */ |
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55 if (tv_sec > p->sec || msec - p->msec >= minimum) { |
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56 old_p = p; |
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57 /* max_tries < max_slots - 10, |
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58 max_slots should be more than max of threads */ |
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59 for (/* void */; i < max_tries; i++) { |
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60 if (++p >= last_slot) |
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61 p = first_slot; |
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62 |
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63 if (!test_and_set(p->busy) |
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64 break; |
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65 } |
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66 |
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67 if (i == max_tries) { |
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68 ngx_log_error(); |
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69 return; |
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70 } |
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71 |
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72 if (tv_sec > p->sec) { |
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73 p->sec = tv.tv.sec; |
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74 p->msec = msec; |
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75 localtime_r(&tv.tv_sec, tm); |
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76 make http stirng; |
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77 |
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78 } else { |
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79 ngx_memcpy(p->sec, old_p->sec, sizeof() - offset_of(, sec)); |
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80 p->msec = msec; |
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81 } |
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82 |
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83 /* here can be too seldom and non-critical race condition */ |
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84 if (ngx_time_p == old_p) |
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85 ngx_time_p = p; |
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86 |
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87 unlock(p->busy); |
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88 } |
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89 } |
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90 |
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91 #endif |