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tsan4.go
// 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() }
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