diff options
Diffstat (limited to 'src/pkg/runtime/proc_test.go')
-rw-r--r-- | src/pkg/runtime/proc_test.go | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/pkg/runtime/proc_test.go b/src/pkg/runtime/proc_test.go new file mode 100644 index 000000000..a15b2d80a --- /dev/null +++ b/src/pkg/runtime/proc_test.go @@ -0,0 +1,43 @@ +// 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. + +package runtime_test + +import ( + "runtime" + "testing" +) + +var stop = make(chan bool, 1) + +func perpetuumMobile() { + select { + case <-stop: + default: + go perpetuumMobile() + } +} + +func TestStopTheWorldDeadlock(t *testing.T) { + if testing.Short() { + t.Logf("skipping during short test") + return + } + runtime.GOMAXPROCS(3) + compl := make(chan int, 1) + go func() { + for i := 0; i != 1000; i += 1 { + runtime.GC() + } + compl <- 0 + }() + go func() { + for i := 0; i != 1000; i += 1 { + runtime.GOMAXPROCS(3) + } + }() + go perpetuumMobile() + <-compl + stop <- true +} |