【Golang】- runtime.Goexit()

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Go The concurrency model of the language basically follows CSP Model ,goroutine Completely depend on channel signal communication , Didn't like Unix Process wait or waitpid Waiting mechanism , There is no such thing “POSIX Thread” Medium pthread_join The convergence mechanism of , More like kill or signal This kind of interrupt mechanism . Every goroutine Exit and destroy by yourself after completion , Without a trace .

/** Goexit  call runtime.goExit() The current... Will be terminated immediately goroutine perform , Scheduler   Make sure all are registered defer Delayed scheduling is performed . */
 
package main
 
import (
	"fmt"
	"runtime"
)
 
func  main(){
    
	go func(){
    
	    defer fmt.Println("A defer go")
		func(){
    
			defer fmt.Println("B defer go")
			runtime.Goexit()
			fmt.Println("B")
		}()
		fmt.Println("A")
			
	}()// Don't forget （）
	// Blocking , Prevent end 
	for{
    }
	
	
	// Output 
	/** F:\goWorkSpace\study\05 coroutines >go run 06_runtimeGoexit.go B defer go A defer go */
	
	
}

call runtime.goExit() The current... Will be terminated immediately goroutine perform , The scheduler ensures that all are registered defer Delayed scheduling is performed .

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