go tsan4 源码
golang tsan4 代码
文件路径：/misc/cgo/testsanitizers/testdata/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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