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path: root/src/pkg/runtime/runtime_unix_test.go
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Diffstat (limited to 'src/pkg/runtime/runtime_unix_test.go')
-rw-r--r--src/pkg/runtime/runtime_unix_test.go56
1 files changed, 0 insertions, 56 deletions
diff --git a/src/pkg/runtime/runtime_unix_test.go b/src/pkg/runtime/runtime_unix_test.go
deleted file mode 100644
index 963de8cdb..000000000
--- a/src/pkg/runtime/runtime_unix_test.go
+++ /dev/null
@@ -1,56 +0,0 @@
-// Copyright 2013 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.
-
-// Only works on systems with syscall.Close.
-// We need a fast system call to provoke the race,
-// and Close(-1) is nearly universally fast.
-
-// +build darwin dragonfly freebsd linux netbsd openbsd plan9
-
-package runtime_test
-
-import (
- "runtime"
- "sync"
- "sync/atomic"
- "syscall"
- "testing"
-)
-
-func TestGoroutineProfile(t *testing.T) {
- // GoroutineProfile used to use the wrong starting sp for
- // goroutines coming out of system calls, causing possible
- // crashes.
- defer runtime.GOMAXPROCS(runtime.GOMAXPROCS(100))
-
- var stop uint32
- defer atomic.StoreUint32(&stop, 1) // in case of panic
-
- var wg sync.WaitGroup
- for i := 0; i < 4; i++ {
- wg.Add(1)
- go func() {
- for atomic.LoadUint32(&stop) == 0 {
- syscall.Close(-1)
- }
- wg.Done()
- }()
- }
-
- max := 10000
- if testing.Short() {
- max = 100
- }
- stk := make([]runtime.StackRecord, 100)
- for n := 0; n < max; n++ {
- _, ok := runtime.GoroutineProfile(stk)
- if !ok {
- t.Fatalf("GoroutineProfile failed")
- }
- }
-
- // If the program didn't crash, we passed.
- atomic.StoreUint32(&stop, 1)
- wg.Wait()
-}