summaryrefslogtreecommitdiffstats
path: root/test/fixedbugs/issue19467.dir/mysync.go
diff options
context:
space:
mode:
Diffstat (limited to 'test/fixedbugs/issue19467.dir/mysync.go')
-rw-r--r--test/fixedbugs/issue19467.dir/mysync.go21
1 files changed, 21 insertions, 0 deletions
diff --git a/test/fixedbugs/issue19467.dir/mysync.go b/test/fixedbugs/issue19467.dir/mysync.go
new file mode 100644
index 0000000..d0e6fe0
--- /dev/null
+++ b/test/fixedbugs/issue19467.dir/mysync.go
@@ -0,0 +1,21 @@
+// Copyright 2017 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 mysync
+
+import "runtime"
+
+type WaitGroup struct {
+ Callers []uintptr
+}
+
+func (wg *WaitGroup) Add(x int) {
+ wg.Callers = make([]uintptr, 32)
+ n := runtime.Callers(1, wg.Callers)
+ wg.Callers = wg.Callers[:n]
+}
+
+func (wg *WaitGroup) Done() {
+ wg.Add(-1)
+}