gcc/libgo/misc/cgo/test/sigprocmask.go
Ian Lance Taylor dd931d9b48 libgo: update to Go 1.11
Reviewed-on: https://go-review.googlesource.com/136435

gotools/:
	* Makefile.am (mostlyclean-local): Run chmod on check-go-dir to
	make sure it is writable.
	(check-go-tools): Likewise.
	(check-vet): Copy internal/objabi to check-vet-dir.
	* Makefile.in: Rebuild.

From-SVN: r264546
2018-09-24 21:46:21 +00:00

41 lines
807 B
Go

// Copyright 2015 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.
// +build !windows
package cgotest
/*
#cgo CFLAGS: -pthread
#cgo LDFLAGS: -pthread
extern int RunSigThread();
extern int CheckBlocked();
*/
import "C"
import (
"os"
"os/signal"
"syscall"
"testing"
)
var blocked bool
//export IntoGoAndBack
func IntoGoAndBack() {
// Verify that SIGIO stays blocked on the C thread
// even when unblocked for signal.Notify().
signal.Notify(make(chan os.Signal), syscall.SIGIO)
blocked = C.CheckBlocked() != 0
}
func testSigprocmask(t *testing.T) {
if r := C.RunSigThread(); r != 0 {
t.Errorf("pthread_create/pthread_join failed: %d", r)
}
if !blocked {
t.Error("Go runtime unblocked SIGIO")
}
}