Initial fork for singleton epoll poller
diff --git a/tools/doxygen/Doxyfile.core.internal b/tools/doxygen/Doxyfile.core.internal
index a363adc..f75edda 100644
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@@ -1074,8 +1074,10 @@
 src/core/lib/iomgr/error.c \
 src/core/lib/iomgr/error.h \
 src/core/lib/iomgr/error_internal.h \
-src/core/lib/iomgr/ev_epoll_linux.c \
-src/core/lib/iomgr/ev_epoll_linux.h \
+src/core/lib/iomgr/ev_epoll1_linux.c \
+src/core/lib/iomgr/ev_epoll1_linux.h \
+src/core/lib/iomgr/ev_epollsig_linux.c \
+src/core/lib/iomgr/ev_epollsig_linux.h \
 src/core/lib/iomgr/ev_poll_posix.c \
 src/core/lib/iomgr/ev_poll_posix.h \
 src/core/lib/iomgr/ev_posix.c \