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https://github.com/chai2010/advanced-go-programming-book.git
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35 lines
499 B
Go
35 lines
499 B
Go
package main
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import (
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"fmt"
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"runtime"
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"strconv"
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"strings"
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"time"
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)
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func main() {
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println("a:", GetGoid())
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go func() {
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println("b:", GetGoid())
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}()
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time.Sleep(time.Second)
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}
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func GetGoid() int64 {
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var (
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buf [64]byte
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n = runtime.Stack(buf[:], false)
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stk = strings.TrimPrefix(string(buf[:n]), "goroutine ")
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)
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idField := strings.Fields(stk)[0]
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id, err := strconv.Atoi(idField)
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if err != nil {
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panic(fmt.Errorf("can not get goroutine id: %v", err))
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}
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return int64(id)
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}
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