28 lines
525 B
Go
28 lines
525 B
Go
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package trace
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import "sync"
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// The Saver saves a trace
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type Saver struct {
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ops []Event
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mu sync.Mutex
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}
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// Read reads and returns events inside the trace. It advances
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// the read pointer so you won't see such events again.
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func (s *Saver) Read() []Event {
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s.mu.Lock()
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defer s.mu.Unlock()
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v := s.ops
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s.ops = nil
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return v
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}
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// Write adds the given event to the trace. A subsequent call
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// to Read will read this event.
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func (s *Saver) Write(ev Event) {
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s.mu.Lock()
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defer s.mu.Unlock()
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s.ops = append(s.ops, ev)
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}
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