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goroutines.go
// run // Copyright 2009 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // Torture test for goroutines. // Make a lot of goroutines, threaded together, and tear them down cleanly. package main import ( "os" "strconv" ) func f(left, right chan int) { left <- <-right } func main() { var n = 10000 if len(os.Args) > 1 { var err error n, err = strconv.Atoi(os.Args[1]) if err != nil { print("bad arg\n") os.Exit(1) } } leftmost := make(chan int) right := leftmost left := leftmost for i := 0; i < n; i++ { right = make(chan int) go f(left, right) left = right } go func(c chan int) { c <- 1 }(right) <-leftmost }
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