jhb 603cac3a99 MFC: Add atomic_fetchadd(9) operation for types int and 32.
Other small updates to atomic(9) include:
- Note that arm and ppc don't provide 64-bit atomic ops.
- Update sample code.

Approved by:	re (scottl)
2005-10-06 18:12:06 +00:00
..
2005-09-28 14:00:13 +00:00
2005-07-18 07:45:17 +00:00
2005-04-21 09:15:19 +00:00
2005-07-05 15:48:53 +00:00