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https://github.com/golang/go
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8f1e2d4ef7
If we run 'go test ./...' in the misc module, we don't want to see errors for these standalone files. We could instead add +ignore tags to each file individually, but this is exactly what a testdata directory is for. Updates #30228 Change-Id: I7047ad888dd6aff701f5982d58b6a79f6a487c58 Reviewed-on: https://go-review.googlesource.com/c/163417 Run-TryBot: Bryan C. Mills <bcmills@google.com> Reviewed-by: Jay Conrod <jayconrod@google.com>
35 lines
634 B
Go
35 lines
634 B
Go
// Copyright 2016 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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// Check that calls to C.malloc/C.free do not trigger TSAN false
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// positive reports.
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// #cgo CFLAGS: -fsanitize=thread
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// #cgo LDFLAGS: -fsanitize=thread
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// #include <stdlib.h>
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import "C"
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import (
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"runtime"
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"sync"
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)
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func main() {
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var wg sync.WaitGroup
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for i := 0; i < 10; i++ {
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wg.Add(1)
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go func() {
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defer wg.Done()
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for i := 0; i < 100; i++ {
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p := C.malloc(C.size_t(i * 10))
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runtime.Gosched()
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C.free(p)
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}
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}()
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}
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wg.Wait()
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}
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