Function spawn

test/parallel/test-child-process-spawnsync-kill-signal.js:14–29

(killSignal, beforeSpawn)

  const { SIGKILL } = require('os').constants.signals;

  function spawn(killSignal, beforeSpawn) {
    if (beforeSpawn) {
      internalCp.spawnSync = common.mustCall(function(opts) {
        beforeSpawn(opts);
        return oldSpawnSync(opts);
      });
    }
    const child = cp.spawnSync(process.execPath,
                               [__filename, 'child'],
                               { killSignal, timeout: 100 });
    if (beforeSpawn)
      internalCp.spawnSync = oldSpawnSync;
    assert.strictEqual(child.status, null);
    assert.strictEqual(child.error.code, 'ETIMEDOUT');
    return child;
  }

  // Verify that an error is thrown for unknown signals.
  assert.throws(() => {