/**
* Execute commands in parallel.
*
* @param array $cmds list of commands to be executed.
* @param string $cwd absolute path of working directory.
* @return array list of processes.
*/
function cli_execute_parallel($cmds, $cwd = null)
{
require_once __DIR__ . "/../../vendor/autoload.php";
$processes = array();
// Create child process.
foreach ($cmds as $name => $cmd) {
$process = new Symfony\Component\Process\Process($cmd);
$process->setWorkingDirectory($cwd);
$process->setTimeout(null);
$processes[$name] = $process;
$processes[$name]->start();
// If error creating process then exit.
if ($processes[$name]->getStatus() !== 'started') {
echo "Error starting process: {$name}";
foreach ($processes[$name] as $process) {
if ($process) {
$process->signal(SIGKILL);
}
}
exit(1);
}
}
return $processes;
}
