25 lines
495 B
Go
25 lines
495 B
Go
package zipkintracer
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import (
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"math/rand"
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"sync"
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"time"
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)
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var (
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seededIDGen = rand.New(rand.NewSource(time.Now().UnixNano()))
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// The golang rand generators are *not* intrinsically thread-safe.
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seededIDLock sync.Mutex
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)
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func randomID() uint64 {
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seededIDLock.Lock()
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defer seededIDLock.Unlock()
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return uint64(seededIDGen.Int63())
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}
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func randomID2() (uint64, uint64) {
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seededIDLock.Lock()
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defer seededIDLock.Unlock()
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return uint64(seededIDGen.Int63()), uint64(seededIDGen.Int63())
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}
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