Method unlock

kernel/oswrapper/vspace.cc:147–160

}

void FastLock::unlock() {
#ifdef HAVE_CPP_THREADS
  while (_lock.test_and_set()) {
  }
  _owner = _head;
  if (_owner >= 0)
    _head = vmem.metapage->process_info[_head].next;
  _lock.clear();
  if (_owner >= 0)
    send_signal(_owner, 0, false);
#else
  unlock_file(vmem.fd, _offset);
#endif
}

static void lock_allocator() {
  vmem.metapage->allocator_lock.lock();