PERFORCE change 65076 for review

[David Xu]

http://perforce.freebsd.org/chv.cgi?CH=65076

Change 65076 by davidxu at davidxu_alona on 2004/11/14 05:28:02

	Mark TDF_UMTXWAKEUP in else case.

Affected files ...

.. //depot/projects/davidxu_ksedbg/src/sys/kern/kern_thr.c#6 edit
.. //depot/projects/davidxu_ksedbg/src/sys/kern/kern_umtx.c#6 edit

Differences ...

==== //depot/projects/davidxu_ksedbg/src/sys/kern/kern_thr.c#6 (text+ko) ====


==== //depot/projects/davidxu_ksedbg/src/sys/kern/kern_umtx.c#6 (text+ko) ====

@@ -352,6 +352,11 @@
 			UMTX_UNLOCK(td, umtx);
 		}
 	} else {
+		if (blocked != NULL) {
+			mtx_lock_spin(&sched_lock);
+			blocked->td_flags |= TDF_UMTXWAKEUP;
+			mtx_unlock_spin(&sched_lock);
+		}
 		UMTX_UNLOCK(td, umtx);
 		old = casuptr((intptr_t *)&umtx->u_owner,
 		    owner, UMTX_CONTESTED);