diff --git a/devicemodel/core/mevent.c b/devicemodel/core/mevent.c
index c5c1f3b29..816c4288d 100644
--- a/devicemodel/core/mevent.c
+++ b/devicemodel/core/mevent.c
@@ -122,9 +122,15 @@ mevent_kq_filter(struct mevent *mevp)
 	if (mevp->me_type == EVF_READ)
 		retval = EPOLLIN;
 
+	if (mevp->me_type == EVF_READ_ET)
+		retval = EPOLLIN | EPOLLET;
+
 	if (mevp->me_type == EVF_WRITE)
 		retval = EPOLLOUT;
 
+	if (mevp->me_type == EVF_WRITE_ET)
+		retval = EPOLLOUT | EPOLLET;
+
 	return retval;
 }
 
@@ -142,8 +148,11 @@ mevent_destroy(void)
 		ee.data.ptr = mevp;
 		epoll_ctl(epoll_fd, EPOLL_CTL_DEL, mevp->me_fd, &ee);
 
-		if ((mevp->me_type == EVF_READ || mevp->me_type == EVF_WRITE) &&
-		    mevp->me_fd != STDIN_FILENO)
+		if ((mevp->me_type == EVF_READ ||
+		     mevp->me_type == EVF_READ_ET ||
+		     mevp->me_type == EVF_WRITE ||
+		     mevp->me_type == EVF_WRITE_ET) &&
+		     mevp->me_fd != STDIN_FILENO)
 			close(mevp->me_fd);
 
 		free(mevp);
diff --git a/devicemodel/include/mevent.h b/devicemodel/include/mevent.h
index 6ae4a41a0..0aa7ab3a0 100644
--- a/devicemodel/include/mevent.h
+++ b/devicemodel/include/mevent.h
@@ -32,6 +32,8 @@
 enum ev_type {
 	EVF_READ,
 	EVF_WRITE,
+	EVF_READ_ET,
+	EVF_WRITE_ET,
 	EVF_TIMER,		/* Not supported yet */
 	EVF_SIGNAL		/* Not supported yet */
 };