A WaitGroup waits for a collection of goroutines to finish. The main goroutine calls Add to set the number of goroutines to wait for. Then each of the goroutines runs and calls Done when finished. At the same time, Wait can be used to block until all goroutines have finished. 大意为...
官方对它的说明如下: A WaitGroup waits for a collection of goroutines to finish. The main goroutine calls Add to set the number of goroutines to wait for. Then each of the goroutines runs and calls Done when finished. At the same time, Wait can be used to block until all goroutines ...
A WaitGroup waits for a collection of goroutines to finish. The main goroutine calls Add to set the number of goroutines to wait for. Then each of the goroutines runs and calls Done when finished. At the same time, Wait can be used to block until all goroutines have finished. sync.W...
package sync import ( "internal/race" "sync/atomic" "unsafe" ) // A WaitGroup waits for a collection of goroutines to finish. WaitGroup等待一组goroutine完成。 // The main goroutine calls Add to set the number of goroutine通过调用 Add(),增加等待的goroutines的数量。 // goroutines to w...
Printf("Received: %v\n", value) } }() // Wait for goroutines to finish var wg sync.WaitGroup wg.Add(2) go func() { wg.Done() }() go func() { wg.Done() }() wg.Wait() } 35.java nio和go 区别 设计哲学和模型 NIO引入了非阻塞I/O、缓冲区、通道channel等概念,支持高效的IO...
var(counterintmutex sync.Mutex)funcincrement(){mutex.Lock()defermutex.Unlock()counter++}funcmain(){fori:=0;i<1000;i++{goincrement()}// wait for all goroutines to finishtime.Sleep(time.Second)fmt.Println(counter)// Output: 1000}
// A WaitGroup waits for a collection of goroutines to finish. // The main goroutine calls Add to set the number of // goroutines to wait for. Then each of the goroutines // runs and calls Done when finished. At the same time, ...
A WaitGroup waits for a collection of goroutines to finish. The main goroutine calls Add to set the number of goroutines to wait for. Then each of the goroutines runs and calls Done when finished. At the same time, Wait can be used to block until all goroutines have finished. ...
golang 之 sync WaitGroup 代码中的注释: // A WaitGroup waits for a collection of goroutines to finish. WaitGroup等待一组goroutine完成 // The main goroutine calls A...猜你喜欢golang WaitGroup 并发使用 题目原地址...golang sync WaitGroup 刚才看golang的sync的包,看见一个很有用的功能。就是...
WaitGroup的用途:它能够一直等到所有的goroutine执行完成,并且阻塞主线程的执行,直到所有的goroutine执行完成。A WaitGroup waits for a collection of goroutines to finish. The main goroutine calls Add to set the number of goroutines to wait for. Then each of