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comparison src/os/unix/ngx_time.c @ 1:d220029ac7f3

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nginx-0.0.1-2002-08-15-21:20:26 import
author Igor Sysoev <igor@sysoev.ru>
date Thu, 15 Aug 2002 17:20:26 +0000
parents 4eff17414a43
children a117a7fdf042
comparison
equal deleted inserted replaced
0:4eff17414a43 1:d220029ac7f3
15 gettimeofday(&tv, NULL); 15 gettimeofday(&tv, NULL);
16 16
17 return tv.tv_sec * 1000 + tv.tv_usec / 1000; 17 return tv.tv_sec * 1000 + tv.tv_usec / 1000;
18 } 18 }
19 19
20
21 #if 0
22
23 typedef struct {
24 int busy;
25 u_int_64 msec;
26 time_t sec;
27 tm;
28 http_time_len;
29 http_time[n];
30 };
31
32 volatile *ngx_time_p;
33
34 ngx_time()
35 {
36 p = ngx_time_p;
37 }
38
39 ngx_update_time()
40 {
41 u_int64 msec;
42 struct timeval tv;
43
44 gettimeofday(&tv, NULL);
45
46 msec = (unsigned long) tv.tv_sec * 1000 + tv.tv_usec / 1000;
47 p = ngx_time_p;
48
49 /* minimum can be for example 0, 10, 50 or 100 ms */
50 if (tv_sec > p->sec || msec - p->msec >= minimum) {
51 old_p = p;
52 /* max_tries < max_slots - 10,
53 max_slots should be more than max of threads */
54 for (/* void */; i < max_tries; i++) {
55 if (++p >= last_slot)
56 p = first_slot;
57
58 if (!test_and_set(p->busy)
59 break;
60 }
61
62 if (i == max_tries) {
63 ngx_log_error();
64 return;
65 }
66
67 if (tv_sec > p->sec) {
68 p->sec = tv.tv.sec;
69 p->msec = msec;
70 localtime_r(&tv.tv_sec, tm);
71 make http stirng;
72
73 } else {
74 ngx_memcpy(p->sec, old_p->sec, sizeof() - offset_of(, sec));
75 p->msec = msec;
76 }
77
78 /* here can be too seldom and non-critical race condition */
79 if (ngx_time_p == old_p)
80 ngx_time_p = p;
81
82 unlock(p->busy);
83 }
84 }
85
86 #endif