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39 lines
458 B
Go
39 lines
458 B
Go
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package sigchan
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import "time"
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type Chan chan struct{}
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func New(cap int) Chan {
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return make(Chan, cap)
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}
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func (c Chan) Drain(duration, deadline time.Duration) (cnt int) {
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cnt = 0
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deadlineC := time.After(deadline)
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for {
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select {
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case <-c:
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cnt++
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case <-deadlineC:
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return cnt
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case <-time.After(duration):
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return cnt
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}
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}
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}
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func (c Chan) Emit() {
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select {
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case c <- struct{}{}:
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default:
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}
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}
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func (c Chan) Close() {
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close(c)
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}
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