From 47ab3d4a42e9ab51c465c4322d2ec233f6324e6b Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 15:16:40 +0200 Subject: Adding upstream version 1.18.10. Signed-off-by: Daniel Baumann --- test/chan/goroutines.go | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 test/chan/goroutines.go (limited to 'test/chan/goroutines.go') diff --git a/test/chan/goroutines.go b/test/chan/goroutines.go new file mode 100644 index 0000000..6ffae7d --- /dev/null +++ b/test/chan/goroutines.go @@ -0,0 +1,41 @@ +// 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 +} -- cgit v1.2.3