From 109be507377fe7f6e8819ac94041d3fdcdf6fd2f Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 15:18:25 +0200 Subject: Adding upstream version 1.19.8. Signed-off-by: Daniel Baumann --- misc/cgo/testsanitizers/testdata/tsan10.go | 31 ++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 misc/cgo/testsanitizers/testdata/tsan10.go (limited to 'misc/cgo/testsanitizers/testdata/tsan10.go') diff --git a/misc/cgo/testsanitizers/testdata/tsan10.go b/misc/cgo/testsanitizers/testdata/tsan10.go new file mode 100644 index 0000000..a40f245 --- /dev/null +++ b/misc/cgo/testsanitizers/testdata/tsan10.go @@ -0,0 +1,31 @@ +// 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 +} -- cgit v1.2.3