From 73df946d56c74384511a194dd01dbe099584fd1a Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 15:14:23 +0200 Subject: Adding upstream version 1.16.10. Signed-off-by: Daniel Baumann --- test/chan/select6.go | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 test/chan/select6.go (limited to 'test/chan/select6.go') diff --git a/test/chan/select6.go b/test/chan/select6.go new file mode 100644 index 0000000..6e8129f --- /dev/null +++ b/test/chan/select6.go @@ -0,0 +1,34 @@ +// run + +// Copyright 2011 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. + +// Test for select: Issue 2075 +// A bug in select corrupts channel queues of failed cases +// if there are multiple waiters on those channels and the +// select is the last in the queue. If further waits are made +// on the channel without draining it first then those waiters +// will never wake up. In the code below c1 is such a channel. + +package main + +func main() { + c1 := make(chan bool) + c2 := make(chan bool) + c3 := make(chan bool) + go func() { <-c1 }() + go func() { + select { + case <-c1: + panic("dummy") + case <-c2: + c3 <- true + } + <-c1 + }() + go func() { c2 <- true }() + <-c3 + c1 <- true + c1 <- true +} -- cgit v1.2.3