Completed testing for WinCE port

git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@126 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/pjlib/src/pj/ioqueue_epoll.c b/pjlib/src/pj/ioqueue_epoll.c
index 780ea37..72e354d 100644
--- a/pjlib/src/pj/ioqueue_epoll.c
+++ b/pjlib/src/pj/ioqueue_epoll.c
@@ -400,8 +400,10 @@
     msec = timeout ? PJ_TIME_VAL_MSEC(*timeout) : 9000;
     
     count = os_epoll_wait( ioqueue->epfd, events, PJ_ARRAY_SIZE(events), msec);
-    if (count <= 0)
+    if (count == 0)
 	return count;
+    else if (count < 0)
+	return -pj_get_netos_error();
 
     /* Lock ioqueue. */
     pj_lock_acquire(ioqueue->lock);