58 lines1.7 KB
Newer
Older
-
+
commited
{line.log.rev}
on
8 months ago
22
1
#include <time.h>
2
7 months ago
3
static inline struct timespec timespec_from_int64_ns(int64_t time_ns){
4
struct timespec r;
5
if (time_ns < 0){
6
// Round negative times towards -infinity
7
time_ns = -time_ns;
8
r.tv_nsec = 999999999 - ((time_ns-1) % 1000000000);
9
r.tv_sec = -((time_ns+999999999) / 1000000000);
10
} else {
11
r.tv_nsec = time_ns % 1000000000;
12
r.tv_sec = time_ns / 1000000000;
13
}
14
return r;
15
}
16
17
18
static inline int64_t int64_ns_from_timespec(struct timespec time){
19
return (int64_t)time.tv_sec * 1000000000 + time.tv_nsec;
20
}
21
22
8 months ago
22
23
static inline bool timespec_lt(struct timespec a, struct timespec b){
24
return a.tv_sec < b.tv_sec || (a.tv_sec == b.tv_sec && a.tv_nsec < b.tv_nsec);
25
}
26
27
static inline bool timespec_lte(struct timespec a, struct timespec b){
28
return a.tv_sec < b.tv_sec || (a.tv_sec == b.tv_sec && a.tv_nsec <= b.tv_nsec);
29
}
30
31
static inline bool timespec_eq(struct timespec a, struct timespec b){
32
return a.tv_sec == b.tv_sec && a.tv_nsec == b.tv_nsec;
33
}
34
35
static inline bool timespec_gt(struct timespec a, struct timespec b){
36
return timespec_lt(b, a);
37
}
38
39
static inline struct timespec timespec_sub(struct timespec a, struct timespec b){
40
struct timespec r;
41
if (a.tv_nsec < b.tv_nsec){
42
r.tv_nsec = 1000000000 + a.tv_nsec - b.tv_nsec;
43
r.tv_sec = a.tv_sec - b.tv_sec - 1;
44
} else {
45
r.tv_nsec = a.tv_nsec - b.tv_nsec;
46
r.tv_sec = a.tv_sec - b.tv_sec;
47
}
48
return r;
49
}
50
51
static inline bool timespec_gte(struct timespec a, struct timespec b){
52
return timespec_lte(b, a);
53
}
54
55
static inline bool timespec_ne(struct timespec a, struct timespec b){
56
return !timespec_eq(a, b);
57
}
58