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tsan10.go
// 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 main // This program hung when run under the C/C++ ThreadSanitizer. // TSAN defers asynchronous signals until the signaled thread calls into libc. // Since the Go runtime makes direct futex syscalls, Go runtime threads could // run for an arbitrarily long time without triggering the libc interceptors. // See https://golang.org/issue/18717. import ( "os" "os/signal" "syscall" ) /* #cgo CFLAGS: -g -fsanitize=thread #cgo LDFLAGS: -g -fsanitize=thread */ import "C" func main() { c := make(chan os.Signal, 1) signal.Notify(c, syscall.SIGUSR1) defer signal.Stop(c) syscall.Kill(syscall.Getpid(), syscall.SIGUSR1) <-c }
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