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go/misc/cgo/test/sigprocmask.go
Ian Lance Taylor 369d7119de misc/cgo: remove +build lines, add go:build where needed
Change-Id: Iae6ac32db5c2aacb323793a7e0dc34e09648d035
Reviewed-on: https://go-review.googlesource.com/c/go/+/482295
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
2023-04-10 22:32:35 +00:00

41 lines
808 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.
//go: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")
}
}