Go语言 go程释放操作(退出/销毁)

package main
import (
	"fmt"
	"time"
	"runtime"
)
func test()  {
	for i:=0;i<10;i++{
		fmt.Printf("执行第%d次go程\n",i)
		time.Sleep(time.Second)
	}
	fmt.Println("go程执行完毕！")
}
func main() {
	go func() {
		go test()
		fmt.Println("------aaaaaaaa-------")
		time.Sleep(time.Second)
		fmt.Println("------go程结束--------------")
		/*
		   不管是return  还是  runtime.Goexit()，效果一样
		*/
		//return
		runtime.Goexit()
 
	}()
	for{
		runtime.GC()
	}
}

package main
 
import (
	"fmt"
	"time"
)
func main() {
	go func() {
		for i:=0;i<10;i++{
			fmt.Printf("子go程：执行第%d次操作！\n",i)
			time.Sleep(time.Second)
		}
	}()
	for i:=0;i<3;i++{
		fmt.Println("--------aaaa------")
		time.Sleep(time.Second)
	}
}

package main
import(
    "fmt"
    "os"
    "os/signal"
    "syscall"
    "log"
    "time"
)
func testFunc() error {
    go func(){
        for{
           fmt.Printf("testing....\n")
           time.Sleep(time.Minute)
        }
    }()
    return nil
}
func exitFunc(){
    fmt.Println("i am exiting!")
}
func main(){
    logger := log.New(os.Stdout, "[TestGoroutine]", log.Lshortfile | log.Ldate | log.Ltime) //初始化日志
    exit := make(chan os.Signal,10) //初始化一个channel
    signal.Notify(exit, syscall.SIGINT, syscall.SIGTERM) //notify方法用来监听收到的信号
    testFunc()
    sig := <-exit
    logger.Printf("%s",sig.String())
    exitFunc()
}