blob: f00ca499ed72be3766eb0bfab3802ca0698e88a2 (
plain)
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
|
package main
import (
"time"
)
type Timer struct {
pending AtomicBool
timer *time.Timer
}
/* Starts the timer if not already pending
*/
func (t *Timer) Start(dur time.Duration) bool {
set := t.pending.Swap(true)
if !set {
t.timer.Reset(dur)
return true
}
return false
}
/* Stops the timer
*/
func (t *Timer) Stop() {
set := t.pending.Swap(true)
if set {
t.timer.Stop()
select {
case <-t.timer.C:
default:
}
}
t.pending.Set(false)
}
func (t *Timer) Pending() bool {
return t.pending.Get()
}
func (t *Timer) Reset(dur time.Duration) {
t.pending.Set(false)
t.Start(dur)
}
func (t *Timer) Wait() <-chan time.Time {
return t.timer.C
}
func NewTimer() (t Timer) {
t.pending.Set(false)
t.timer = time.NewTimer(0)
t.timer.Stop()
select {
case <-t.timer.C:
default:
}
return
}
|
