bool LockerImpl<IsForMMAPV1>::unlock(ResourceId resId) {
LockRequestsMap::Iterator it = _requests.find(resId);
if (inAWriteUnitOfWork() && shouldDelayUnlock(it.key(), (it->mode))) {
_resourcesToUnlockAtEndOfUnitOfWork.push(it.key());
return false;
}
return _unlockImpl(&it);
}
bool LockerImpl::unlock(const ResourceId& resId) {
LockRequest* request = _find(resId);
invariant(request->mode != MODE_NONE);
// Methods on the Locker class are always called single-threadly, so it is safe to release
// the spin lock, which protects the Locker here. The only thing which could alter the
// state of the request is deadlock detection, which however would synchronize on the
// LockManager calls.
if (inAWriteUnitOfWork() && shouldDelayUnlock(resId, request->mode)) {
_resourcesToUnlockAtEndOfUnitOfWork.push(resId);
return false;
}
return _unlockAndUpdateRequestsList(resId, request);
}
