C++ (Cpp) FileSystemInitializer::RemoveReferenceの例

コード例 #1

ファイル: UserlandFS.cpp プロジェクト: luciang/haiku

// _UnregisterFileSystem
status_t
UserlandFS::_UnregisterFileSystem(const char* name)
{
	if (!name)
		return B_BAD_VALUE;

	// find the FS and decrement its reference counter
	FileSystemInitializer* fileSystemInitializer = NULL;
	bool deleteFS = false;
	{
		FileSystemLocker _(fFileSystems);
		fileSystemInitializer = fFileSystems->Get(name);
		if (!fileSystemInitializer)
			return B_BAD_VALUE;

		deleteFS = fileSystemInitializer->RemoveReference();
		if (deleteFS)
			fFileSystems->Remove(name);
	}

	// delete the FS, if the last reference has been removed
	if (deleteFS)
		delete fileSystemInitializer;
	return B_OK;
}