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- // 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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