32 lines
798 B
Go
32 lines
798 B
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
|
|
}
|