1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
/*-
* Copyright (c) 2014-2020 MongoDB, Inc.
* Copyright (c) 2008-2014 WiredTiger, Inc.
* All rights reserved.
*
* See the file LICENSE for redistribution information.
*/
#include "wt_internal.h"
/*
* __wt_epoch_raw --
* Return the time since the Epoch as reported by a system call.
*/
void
__wt_epoch_raw(WT_SESSION_IMPL *session, struct timespec *tsp)
WT_GCC_FUNC_ATTRIBUTE((visibility("default")))
{
WT_DECL_RET;
/*
* This function doesn't return an error, but panics on failure (which should never happen, it's
* done this way to simplify error handling in the caller). However, some compilers complain
* about using garbage values. Initializing the values avoids the complaint.
*/
tsp->tv_sec = 0;
tsp->tv_nsec = 0;
#if defined(HAVE_CLOCK_GETTIME)
WT_SYSCALL_RETRY(clock_gettime(CLOCK_REALTIME, tsp), ret);
if (ret == 0)
return;
WT_IGNORE_RET(__wt_panic(session, ret, "clock_gettime"));
#elif defined(HAVE_GETTIMEOFDAY)
{
struct timeval v;
WT_SYSCALL_RETRY(gettimeofday(&v, NULL), ret);
if (ret == 0) {
tsp->tv_sec = v.tv_sec;
tsp->tv_nsec = v.tv_usec * WT_THOUSAND;
return;
}
WT_IGNORE_RET(__wt_panic(session, ret, "gettimeofday"));
}
#else
NO TIME - OF - DAY IMPLEMENTATION : see src / os_posix / os_time.c
#endif
}
/*
* __wt_localtime --
* Return the current local broken-down time.
*/
int
__wt_localtime(WT_SESSION_IMPL *session, const time_t *timep, struct tm *result)
WT_GCC_FUNC_ATTRIBUTE((visibility("default")))
{
if (localtime_r(timep, result) != NULL)
return (0);
WT_RET_MSG(session, __wt_errno(), "localtime_r");
}
|