| // 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) { |
| chtmpdir(t) |
| f := mktmpfifo(t) |
| |
| 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 TestSysctlUvmexp(t *testing.T) { |
| uvm, err := unix.SysctlUvmexp("vm.uvmexp") |
| if err != nil { |
| t.Fatal(err) |
| } |
| t.Logf("free = %v", uvm.Free) |
| } |