</p>

<pre>
var a string
var done bool

func setup() {
	a = "hello, world"
	done = true
}

func doprint() {
	if !done {
		once.Do(setup)
	}
	print(a)
}

func twoprint() {
	go doprint()
	go doprint()
}
</pre>

<p>
but there is no guarantee that, in <code>doprint</code>, observing the write to <code>done</code>

labels: kind/bug
body:
  - type: textarea
    id: problem
    attributes:
      label: What happened?
      description: |
        Please provide as much info as possible. Not doing so may result in your bug not being addressed in a timely manner.
        If this matter is security related, please disclose it privately via https://kubernetes.io/security
    validations:
      required: true

SOURCE="${BASH_SOURCE[0]}"
while [ -h "$SOURCE" ]; do
	DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
	SOURCE="$(readlink "$SOURCE")"
	[[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE"
done
DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"

# Increase the V8 stack size from the default of 984K
# to 8192K to ensure all tests can pass without hitting
# stack size limits.

			return res, err
		}
	}

	var mu sync.Mutex
	var uploadTimes madmin.TimeDurations
	wg.Add(opts.concurrency)
	for i := 0; i < opts.concurrency; i++ {
		go func(i int) {
			defer wg.Done()
			for {
				t := time.Now()
				reader := newRandomReader(opts.objectSize)
				tmpObjName := pathJoin(objNamePrefix, fmt.Sprintf("%d/%d", i, objCountPerThread[i]))

    private final AbstractFuture<?> future;
    private final long timeout;
    private final TimeUnit unit;
    private Exception exception;
    private volatile long startTime;
    private long timeSpentBlocked;

    TimedWaiterThread(AbstractFuture<?> future, long timeout, TimeUnit unit) {
      this.future = future;
      this.timeout = timeout;
      this.unit = unit;

    fi
    # workaround for JBEAP-8937 (on Solaris 10/Sparc)
    if [ -d "${wdir}" ]; then
      wdir=$(
        cd "$wdir/.." || exit 1
        pwd
      )
    fi
    # end of workaround
  done
  printf '%s' "$(
    cd "$basedir" || exit 1
    pwd
  )"
}

# concatenates all lines of a file
concat_lines() {
  if [ -f "$1" ]; then
    # Remove \r in case we run on Windows within Git Bash

                    stage.getBuildScanCustomValueParam(),
                    buildScanTagParam("BuildDistributions"),
                    "-PtestJavaVersion=${LINUX.buildJavaVersion.major}",
                    "-Dorg.gradle.java.installations.auto-download=false",
                    "-Porg.gradle.java.installations.auto-download=false",
                ).joinToString(" "),
        )

        features {

	go build -trimpath -tags kqueue -o /dev/null
}

function main() {
	echo "Testing builds for OS/Arch: ${SUPPORTED_OSARCH}"
	for each_osarch in ${SUPPORTED_OSARCH}; do
		_build "${each_osarch}"
	done
}

BASE="$1"
find "${BASE}" -type l | \
  while read l ; do
    if [[ "$(readlink "$l")" == /lib* ]]; then
      ORIG="$(readlink "$l")";
      rm "$l";
      ln -s "${BASE}${ORIG}" "$l"
    fi

    break
  else
    error_count=$((error_count + 1))
  fi
  if [[ ${error_count} -ge 60 ]] ; then
    echo "Fess is not available."
    cat ${temp_log_file} ./fess-*/logs/*.log
    exit 1
  fi
  sleep 1
done

pushd /tmp >/dev/null
git clone https://github.com/codelibs/fess-testdata.git
popd >/dev/null

cat ${temp_log_file} ./fess-*/logs/*.log
curl -s "http://localhost:9201/_cat/indices?v"