}

		// ensure call went all the way
		pubs := csiMounter.csiClient.(*fakeCsiDriverClient).nodeClient.GetNodePublishedVolumes()
		if pubs[csiMounter.volumeID].Path != csiMounter.GetPath() {
			t.Error("csi server may not have received NodePublishVolume call")
		}
		if pubs[csiMounter.volumeID].VolumeMountGroup != tc.expectedFSGroupInNodePublish {

[one way or another][communication].

[announcement]: https://cncf.io/news/announcement/2015/07/new-cloud-native-computing-foundation-drive-alignment-among-container
[Borg]: https://research.google.com/pubs/pub43438.html
[CNCF]: https://www.cncf.io/about
[communication]: https://git.k8s.io/community/communication
[community repository]: https://git.k8s.io/community

func lstatNolog(name string) (FileInfo, error) {
	followSurrogates := false
	if name != "" && IsPathSeparator(name[len(name)-1]) {
		// We try to implement POSIX semantics for Lstat path resolution
		// (per https://pubs.opengroup.org/onlinepubs/9699919799.2013edition/basedefs/V1_chap04.html#tag_04_12):
		// symlinks before the last separator in the path must be resolved. Since

	}

	err = csiUnmapper.TearDownDevice(globalMapPath, "/dev/test")
	if err != nil {
		t.Fatal(err)
	}

	// ensure csi client call and node unpblished
	pubs := csiUnmapper.csiClient.(*fakeCsiDriverClient).nodeClient.GetNodePublishedVolumes()
	if _, ok := pubs[csiUnmapper.volumeID]; ok {
		t.Error("csi server may not have received NodeUnpublishVolume call")
	}

	// ensure csi client call and node unstaged

	// Most notably, it cannot support sparse files, files larger than 8GiB,
	// filenames larger than 256 characters, and non-ASCII filenames.
	//
	// Reference:
	//	http://pubs.opengroup.org/onlinepubs/9699919799/utilities/pax.html#tag_20_92_13_06
	FormatUSTAR

	// FormatPAX represents the PAX header format defined in POSIX.1-2001.
	//

			// argument. Our bash test script would interpret that as a syntax error.
			t.Skipf("skipping %#q: contains a bare newline", b)
		}

		// We use the printf shell command to echo the arguments because, per
		// https://pubs.opengroup.org/onlinepubs/9699919799/utilities/echo.html#tag_20_37_16:
		// “It is not possible to use echo portably across all POSIX systems unless
		// both -n (as the first argument) and escape sequences are omitted.”

)

func TestFifoEOF(t *testing.T) {
	t.Parallel()

	dir := t.TempDir()
	fifoName := filepath.Join(dir, "fifo")
	if err := syscall.Mkfifo(fifoName, 0600); err != nil {
		t.Fatal(err)
	}

	// Per https://pubs.opengroup.org/onlinepubs/9699919799/functions/open.html#tag_16_357_03:
	//
	// - “If O_NONBLOCK is clear, an open() for reading-only shall block the
	//   calling thread until a thread opens the file for writing. An open() for

// technique from the world of networking.  You can find a good paper
// on that at https://dl.acm.org/citation.cfm?doid=75247.75248 or
// http://people.csail.mit.edu/imcgraw/links/research/pubs/networks/WFQ.pdf
// and there is an implementation outline in the Wikipedia article at
// https://en.wikipedia.org/wiki/Fair_queuing .
//
// Fair queuing for server requests differs from traditional fair

	// blocking SIGTTOU signals or the process is ignoring SIGTTOU
	// signals, the process shall be allowed to perform the
	// operation, and no signal is sent."
	//  -https://pubs.opengroup.org/onlinepubs/9699919799/functions/tcsetpgrp.html
	//
	// We are changing the terminal to put us in the foreground, so
	// we must ignore SIGTTOU. We are also an orphaned process

	// The tzdata information can be followed by a string that describes
	// how to handle DST transitions not recorded in zoneTrans.
	// The format is the TZ environment variable without a colon; see
	// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap08.html.
	// Example string, for America/Los_Angeles: PST8PDT,M3.2.0,M11.1.0
	extend string

	// Most lookups will be for the current time.