K 10
svn:author
V 4
jeff
K 8
svn:date
V 27
2008-03-21T08:23:25.000000Z
K 7
svn:log
V 577
 - Add a new td flag TDF_NEEDSUSPCHK that is set whenever a thread needs
   to enter thread_suspend_check().
 - Set TDF_ASTPENDING along with TDF_NEEDSUSPCHK so we can move the
   thread_suspend_check() to ast() rather than userret().
 - Check TDF_NEEDSUSPCHK in the sleepq_catch_signals() optimization so
   that we don't miss a suspend request.  If this is set use the
   expensive signal path.
 - Set NEEDSUSPCHK when creating a new thread in thr in case the
   creating thread is due to be suspended as well but has not yet.

Reviewed by:	davidxu (Authored original patch)

END