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go/misc/cgo/test/sigprocmask.go
Mikio Hara 6f59ccb052 runtime: don't always unblock all signals on dragonfly, freebsd and openbsd
https://golang.org/cl/10173 intrduced msigsave, ensureSigM and
_SigUnblock but didn't enable the new signal save/restore mechanism for
SIG{HUP,INT,QUIT,ABRT,TERM} on DragonFly BSD, FreeBSD and OpenBSD.

At present, it looks like they have the implementation. This change
enables the new mechanism on DragonFly BSD, FreeBSD and OpenBSD the same
as Darwin, NetBSD.

Change-Id: Ifb4b4743b3b4f50bfcdc7cf1fe1b59c377fa2a41
Reviewed-on: https://go-review.googlesource.com/18657
Run-TryBot: Mikio Hara <mikioh.mikioh@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2016-04-15 21:20:45 +00:00

41 lines
799 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.Error("pthread_create/pthread_join failed")
}
if !blocked {
t.Error("Go runtime unblocked SIGIO")
}
}