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https://github.com/golang/sys.git
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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.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package unix_test
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import (
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"testing"
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"time"
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"golang.org/x/sys/unix"
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)
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func TestPpoll(t *testing.T) {
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f, cleanup := mktmpfifo(t)
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defer cleanup()
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const timeout = 100 * time.Millisecond
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ok := make(chan bool, 1)
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go func() {
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select {
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case <-time.After(10 * timeout):
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t.Errorf("Ppoll: failed to timeout after %d", 10*timeout)
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case <-ok:
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}
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}()
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fds := []unix.PollFd{{Fd: int32(f.Fd()), Events: unix.POLLIN}}
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timeoutTs := unix.NsecToTimespec(int64(timeout))
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n, err := unix.Ppoll(fds, &timeoutTs, nil)
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ok <- true
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if err != nil {
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t.Errorf("Ppoll: unexpected error: %v", err)
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return
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}
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if n != 0 {
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t.Errorf("Ppoll: wrong number of events: got %v, expected %v", n, 0)
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return
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}
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}
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func TestSysctlClockinfo(t *testing.T) {
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ci, err := unix.SysctlClockinfo("kern.clockrate")
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if err != nil {
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t.Fatal(err)
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}
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t.Logf("tick = %v, tickadj = %v, hz = %v, profhz = %v, stathz = %v",
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ci.Tick, ci.Tickadj, ci.Hz, ci.Profhz, ci.Stathz)
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}
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func TestSysctlUvmexp(t *testing.T) {
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uvm, err := unix.SysctlUvmexp("vm.uvmexp")
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if err != nil {
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t.Fatal(err)
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}
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t.Logf("free = %v", uvm.Free)
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}
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