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36 lines
888 B
36 lines
888 B
package signal
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// CancelSignal is a signal passed to goroutine, in order to cancel the goroutine on demand.
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type CancelSignal struct {
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cancel chan struct{}
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done chan struct{}
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}
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// NewCloseSignal creates a new CancelSignal.
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func NewCloseSignal() *CancelSignal {
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return &CancelSignal{
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cancel: make(chan struct{}),
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done: make(chan struct{}),
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}
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}
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// Cancel signals the goroutine to stop.
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func (this *CancelSignal) Cancel() {
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close(this.cancel)
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}
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// WaitForCancel should be monitored by the goroutine for when to stop.
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func (this *CancelSignal) WaitForCancel() <-chan struct{} {
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return this.cancel
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}
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// Done signals the caller that the goroutine has completely finished.
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func (this *CancelSignal) Done() {
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close(this.done)
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}
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// WaitForDone is used by caller to wait for the goroutine finishes.
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func (this *CancelSignal) WaitForDone() <-chan struct{} {
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return this.done
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}
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