| // Copyright 2016 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 main |
| |
| // Check that calls to C.malloc/C.free do not trigger TSAN false |
| // positive reports. |
| |
| // #cgo CFLAGS: -fsanitize=thread |
| // #cgo LDFLAGS: -fsanitize=thread |
| // #include <stdlib.h> |
| import "C" |
| |
| import ( |
| "runtime" |
| "sync" |
| ) |
| |
| func main() { |
| var wg sync.WaitGroup |
| for i := 0; i < 10; i++ { |
| wg.Add(1) |
| go func() { |
| defer wg.Done() |
| for i := 0; i < 100; i++ { |
| p := C.malloc(C.size_t(i * 10)) |
| runtime.Gosched() |
| C.free(p) |
| } |
| }() |
| } |
| wg.Wait() |
| } |
