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This ioctl is used to implement ptsname on netbsd. Change-Id: Ic87f1bf7d15c6fbef0c2226a06a4983a504c3f30 Reviewed-on: https://go-review.googlesource.com/c/148097 Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
52 lines
1.3 KiB
Go
52 lines
1.3 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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"bytes"
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"testing"
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"golang.org/x/sys/unix"
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)
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// stringsFromByteSlice converts a sequence of attributes to a []string.
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// On NetBSD, each entry consists of a single byte containing the length
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// of the attribute name, followed by the attribute name.
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// The name is _not_ NULL-terminated.
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func stringsFromByteSlice(buf []byte) []string {
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var result []string
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i := 0
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for i < len(buf) {
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next := i + 1 + int(buf[i])
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result = append(result, string(buf[i+1:next]))
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i = next
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}
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return result
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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 TestIoctlPtmget(t *testing.T) {
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fd, err := unix.Open("/dev/ptmx", unix.O_NOCTTY|unix.O_RDWR, 0666)
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if err != nil {
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t.Skip("failed to open /dev/ptmx, skipping test")
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}
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defer unix.Close(fd)
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ptm, err := unix.IoctlGetPtmget(fd, unix.TIOCPTSNAME)
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if err != nil {
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t.Fatalf("IoctlGetPtmget: %v\n", err)
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}
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t.Logf("sfd = %v, ptsname = %v", ptm.Sfd, string(ptm.Sn[:bytes.IndexByte(ptm.Sn[:], 0)]))
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}
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