Skip to content

Commit b1407b8

tmpbook tmpbook

committed

race condition demo

1 parent 94ac29b commit b1407b8Copy full SHA for b1407b8

File tree

1 file changed

+27

-0

lines changed

race-condition
- main.go

1 file changed

+27

-0

lines changed

`‎race-condition/main.go‎`

Lines changed: 27 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,27 @@`
	`1`	`+package main`
	`2`	`+`
	`3`	`+import (`
	`4`	`+ "fmt"`
	`5`	`+ "sync"`
	`6`	`+)`
	`7`	`+`
	`8`	`+// N 是内存里的一个数子`
	`9`	`+var (`
	`10`	`+ N = 0`
	`11`	`+ waitgroup sync.WaitGroup`
	`12`	`+)`
	`13`	`+`
	`14`	`+func counter(number *int) {`
	`15`	`+ *number++`
	`16`	`+ waitgroup.Done()`
	`17`	`+}`
	`18`	`+`
	`19`	`+func main() {`
	`20`	`+`
	`21`	`+ for i := 0; i < 1000; i++ {`
	`22`	`+ waitgroup.Add(1)`
	`23`	`+ go counter(&N)`
	`24`	`+ }`
	`25`	`+ waitgroup.Wait()`
	`26`	`+ fmt.Println(N)`
	`27`	`+}`

0 commit comments

Comments

(0)