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44b849a8bc
Change-Id: I3a13730e219e6f6df28829cf0d1e193c62073ac8 Reviewed-on: https://go-review.googlesource.com/c/144057 Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org>
50 lines
1018 B
Go
50 lines
1018 B
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 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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