Function openFile

lib/internal/v8_prof_polyfill.js:95–107

(filename)

let line = '';

function openFile(filename) {
  logFile = filename;
  try {
    fd = fs.openSync(logFile, 'r');
  } catch (e) {
    console.error(`Cannot access log file: ${logFile}`);
    console.error('Please provide a valid isolate file as the final argument.');
    throw e;
  }

  const message = versionCheck(peekline(), process.versions.v8);
  if (message) console.log(message);
}

function peekline() {
  const s = readline();