+++ /dev/null
-// 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. The runtime's
-// sysmon goroutine idles itself using direct usleep syscalls, so it 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
-
-#include <signal.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-static void raise_usr2(int signo) {
- raise(SIGUSR2);
-}
-
-static void register_handler(int signo) {
- struct sigaction sa;
- memset(&sa, 0, sizeof(sa));
- sigemptyset(&sa.sa_mask);
- sa.sa_flags = SA_ONSTACK;
- sa.sa_handler = raise_usr2;
-
- if (sigaction(SIGUSR1, &sa, NULL) != 0) {
- perror("failed to register SIGUSR1 handler");
- exit(EXIT_FAILURE);
- }
-}
-*/
-import "C"
-
-func main() {
- ch := make(chan os.Signal, 1)
- signal.Notify(ch, syscall.SIGUSR2)
-
- C.register_handler(C.int(syscall.SIGUSR1))
- syscall.Kill(syscall.Getpid(), syscall.SIGUSR1)
-
- <-ch
-}