tree 2e4d738d40aea11c302b40a31e121a23c9f6bbcc
parent fc087e10734a4d3e40693fc099461ec1270b3fff
author Wei Liu <wei.liu2@citrix.com> 1362671427 +0000
committer Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> 1389020855 -0500

xen/events: introduce test_and_set_mask()

In preparation for adding event channel port ops, add
test_and_set_mask().

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>