Compatible with POSIX systems and Microsoft Windows.
/**
* @coroutine
*
* Asynchronously invokes a callable while maintaining an exclusive lock on the container.
*
* @param callable<mixed> $callback The function to invoke. The value in the container will be passed as the first
* argument.
*
* @return \Generator
*/
public function synchronized(callable $callback)
{
/** @var \Icicle\Concurrent\Sync\Lock $lock */
$lock = (yield $this->mutex->acquire());
try {
$value = $this->unwrap();
$result = (yield $callback($value));
$this->wrap(null === $result ? $value : $result);
} finally {
$lock->release();
}
}
