mirror of
https://github.com/golang/sys.git
synced 2026-02-08 11:46:04 +03:00
6c81ef8f67
OpenBSD (like NetBSD) uses sysctl with struct clockinfo to get clock rate information from the kernel. Add type Clockinfo and the SysctlClockinfo function to query this information. Change-Id: I35070a82b8de23dcd7592e8654dcc5eeee143b5b Reviewed-on: https://go-review.googlesource.com/c/sys/+/168057 Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Matt Layher <mdlayher@gmail.com>
59 lines
1.2 KiB
Go
59 lines
1.2 KiB
Go
// Copyright 2018 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 unix_test
|
|
|
|
import (
|
|
"testing"
|
|
"time"
|
|
|
|
"golang.org/x/sys/unix"
|
|
)
|
|
|
|
func TestPpoll(t *testing.T) {
|
|
f, cleanup := mktmpfifo(t)
|
|
defer cleanup()
|
|
|
|
const timeout = 100 * time.Millisecond
|
|
|
|
ok := make(chan bool, 1)
|
|
go func() {
|
|
select {
|
|
case <-time.After(10 * timeout):
|
|
t.Errorf("Ppoll: failed to timeout after %d", 10*timeout)
|
|
case <-ok:
|
|
}
|
|
}()
|
|
|
|
fds := []unix.PollFd{{Fd: int32(f.Fd()), Events: unix.POLLIN}}
|
|
timeoutTs := unix.NsecToTimespec(int64(timeout))
|
|
n, err := unix.Ppoll(fds, &timeoutTs, nil)
|
|
ok <- true
|
|
if err != nil {
|
|
t.Errorf("Ppoll: unexpected error: %v", err)
|
|
return
|
|
}
|
|
if n != 0 {
|
|
t.Errorf("Ppoll: wrong number of events: got %v, expected %v", n, 0)
|
|
return
|
|
}
|
|
}
|
|
|
|
func TestSysctlClockinfo(t *testing.T) {
|
|
ci, err := unix.SysctlClockinfo("kern.clockrate")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
t.Logf("tick = %v, tickadj = %v, hz = %v, profhz = %v, stathz = %v",
|
|
ci.Tick, ci.Tickadj, ci.Hz, ci.Profhz, ci.Stathz)
|
|
}
|
|
|
|
func TestSysctlUvmexp(t *testing.T) {
|
|
uvm, err := unix.SysctlUvmexp("vm.uvmexp")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
t.Logf("free = %v", uvm.Free)
|
|
}
|