1 
2 /*
3  * Copyright (C) Igor Sysoev
4  * Copyright (C) Nginx, Inc.
5  */
6 
7 
8 #ifndef _NGX_TIMES_H_INCLUDED_
9 #define _NGX_TIMES_H_INCLUDED_
10 
11 
12 #include <ngx_config.h>
13 #include <ngx_core.h>
14 
15 
16 typedef struct {
17     time_t      sec;
18     ngx_uint_t  msec;
19     ngx_int_t   gmtoff;
20 } ngx_time_t;
21 
22 
23 void ngx_time_init(void);
24 void ngx_time_update(void);
25 void ngx_time_sigsafe_update(void);
26 u_char *ngx_http_time(u_char *buf, time_t t);
27 u_char *ngx_http_cookie_time(u_char *buf, time_t t);
28 void ngx_gmtime(time_t t, ngx_tm_t *tp);
29 
30 time_t ngx_next_time(time_t when);
31 #define ngx_next_time_n      "mktime()"
32 
33 
34 extern volatile ngx_time_t  *ngx_cached_time;
35 
36 #define ngx_time()           ngx_cached_time->sec
37 #define ngx_timeofday()      (ngx_time_t *) ngx_cached_time
38 
39 extern volatile ngx_str_t    ngx_cached_err_log_time;
40 extern volatile ngx_str_t    ngx_cached_http_time;
41 extern volatile ngx_str_t    ngx_cached_http_log_time;
42 extern volatile ngx_str_t    ngx_cached_http_log_iso8601;
43 extern volatile ngx_str_t    ngx_cached_syslog_time;
44 
45 /*
46  * milliseconds elapsed since some unspecified point in the past
47  * and truncated to ngx_msec_t, used in event timers
48  */
49 extern volatile ngx_msec_t  ngx_current_msec;
50 
51 
52 #endif /* _NGX_TIMES_H_INCLUDED_ */
53