代码语言：javascript复制
package main
import (
"bytes"
"fmt"
"runtime"
"strconv"
"time"
)
func main() {
go func() {
gid := GetGid()
fmt.Printf("child goruntine1 gid:%v n",gid)
}()
go func() {
gid := GetGid()
fmt.Printf("child goruntine2 gid:%v n",gid)
}()
go func() {
gid := GetGid()
fmt.Printf("child goruntine3 gid:%v n",gid)
}()
go func() {
gid := GetGid()
fmt.Printf("child goruntine4 gid:%v n",gid)
}()
go func() {
gid := GetGid()
fmt.Printf("child goruntine5 gid:%v n",gid)
}()
gid := GetGid()
fmt.Printf("main goruntine gid:%v n",gid)
time.Sleep(time.Second)
}
func GetGid() (gid uint64) {
b := make([]byte, 64)
b = b[:runtime.Stack(b, false)]
b = bytes.TrimPrefix(b, []byte("goroutine "))
b = b[:bytes.IndexByte(b, ' ')]
n, err := strconv.ParseUint(string(b), 10, 64)
if err != nil {
panic(err)
}
return n
}
