mirror of
https://github.com/c9s/bbgo.git
synced 2024-11-22 14:55:16 +00:00
39 lines
458 B
Go
39 lines
458 B
Go
package sigchan
|
|
|
|
import "time"
|
|
|
|
type Chan chan struct{}
|
|
|
|
func New(cap int) Chan {
|
|
return make(Chan, cap)
|
|
}
|
|
|
|
func (c Chan) Drain(duration, deadline time.Duration) (cnt int) {
|
|
cnt = 0
|
|
|
|
deadlineC := time.After(deadline)
|
|
for {
|
|
select {
|
|
case <-c:
|
|
cnt++
|
|
|
|
case <-deadlineC:
|
|
return cnt
|
|
|
|
case <-time.After(duration):
|
|
return cnt
|
|
}
|
|
}
|
|
}
|
|
|
|
func (c Chan) Emit() {
|
|
select {
|
|
case c <- struct{}{}:
|
|
default:
|
|
}
|
|
}
|
|
|
|
func (c Chan) Close() {
|
|
close(c)
|
|
}
|