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
..
2004-08-01 18:51:44 +00:00
2005-06-09 19:45:09 +00:00
2004-04-18 06:24:51 +00:00