private function WindowsPipes::write in Zircon Profile 8

Same name and namespace in other branches

1. 8.0 vendor/symfony/process/Pipes/WindowsPipes.php \Symfony\Component\Process\Pipes\WindowsPipes::write()

Writes input to stdin.

Parameters

bool $blocking:

bool $close:

1 call to WindowsPipes::write()

WindowsPipes::readAndWrite in vendor/symfony/process/Pipes/WindowsPipes.php

Reads data in file handles and pipes.

File

vendor/symfony/process/Pipes/WindowsPipes.php, line 193

Class

WindowsPipes

WindowsPipes implementation uses temporary files as handles.

Namespace

Symfony\Component\Process\Pipes

Code

private function write($blocking, $close) {
  if (empty($this->pipes)) {
    return;
  }
  $this
    ->unblock();
  $r = null !== $this->input ? array(
    'input' => $this->input,
  ) : null;
  $w = isset($this->pipes[0]) ? array(
    $this->pipes[0],
  ) : null;
  $e = null;

  // let's have a look if something changed in streams
  if (false === ($n = @stream_select($r, $w, $e, 0, $blocking ? Process::TIMEOUT_PRECISION * 1000000.0 : 0))) {

    // if a system call has been interrupted, forget about it, let's try again
    // otherwise, an error occurred, let's reset pipes
    if (!$this
      ->hasSystemCallBeenInterrupted()) {
      $this->pipes = array();
    }
    return;
  }

  // nothing has changed
  if (0 === $n) {
    return;
  }
  if (null !== $w && 0 < count($r)) {
    $data = '';
    while ($dataread = fread($r['input'], self::CHUNK_SIZE)) {
      $data .= $dataread;
    }
    $this->inputBuffer .= $data;
    if (false === $data || true === $close && feof($r['input']) && '' === $data) {

      // no more data to read on input resource
      // use an empty buffer in the next reads
      $this->input = null;
    }
  }
  if (null !== $w && 0 < count($w)) {
    while (strlen($this->inputBuffer)) {
      $written = fwrite($w[0], $this->inputBuffer, 2 << 18);
      if ($written > 0) {
        $this->inputBuffer = (string) substr($this->inputBuffer, $written);
      }
      else {
        break;
      }
    }
  }

  // no input to read on resource, buffer is empty and stdin still open
  if ('' === $this->inputBuffer && null === $this->input && isset($this->pipes[0])) {
    fclose($this->pipes[0]);
    unset($this->pipes[0]);
  }
}