commit fcefac26820933abeb40170b476b9d04efa3d35d
author Jeff Brown <jeffbrown@google.com> Thu Oct 07 16:17:57 2010 -0700
committer Alex Ray <aray@google.com> Tue Jul 30 13:56:55 2013 -0700
tree 98a165dc55b44ae9a98f877280f5ffb101f773a4
parent 8d15c74d50fd01d6e63970aadd261a9d3bed27e7

Revert to using epoll_wait().

This change depends on the kernel having been patched to use hrtimers
instead of jiffies for scheduling epoll timeouts.

Change-Id: I216bc1c4f565e67ebcb3d2ba4280cb615932bb9e

include/utils/Looper.h

diff --git a/include/utils/Looper.h b/include/utils/Looper.h
index cc51490..eefff31 100644
--- a/include/utils/Looper.h
+++ b/include/utils/Looper.h
@@ -24,10 +24,10 @@
 
 #include <android/looper.h>
 
-// Currently using poll() instead of epoll_wait() since it does a better job of meeting a
-// timeout deadline.  epoll_wait() typically causes additional delays of up to 10ms
-// beyond the requested timeout.
-//#define LOOPER_USES_EPOLL
+// When defined, uses epoll_wait() for polling, otherwise uses poll().
+#define LOOPER_USES_EPOLL
+
+// When defined, logs performance statistics for tuning and debugging purposes.
 //#define LOOPER_STATISTICS
 
 #ifdef LOOPER_USES_EPOLL