We could always go with the Windows API "Critical Section" name. Locked is probably as good a descriptor, and avoids anything associated with Windows.
Sage James Mastros skribis 2006-05-31 12:03 (+0100):
> I don't like the name synchronized -- it implies that multiple things are > happening at the same time, as in synchronized swiming, which is exactly the > opposite of what should be implied. "Serialized" would be a nice name, > except it implies serializing to a serial format, like disk. "Locked" is > the best name I can think of, and it frankly isn't that good -- it's so > vauge as to be able to mean almost anything.