Icicle\Concurrent\Sync\SharedMemoryParcel::memOpen PHP Метод

    private function memOpen(int $key, string $mode, int $permissions, int $size)
    {
        $this->handle = @shmop_open($key, $mode, $permissions, $size);
        if ($this->handle === false) {
            throw new SharedMemoryException('Failed to create shared memory block.');
        }
    }