From 422ea4f6732edeece1a3de6fa350701daa5f61cb Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Mon, 10 Aug 2015 10:41:58 -0600
Subject: [PATCH] Another epoll() change:  Should not call printf from inside
 the OS

---
 fs/vfs/fs_epoll.c | 21 ++++++++++++---------
 1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/fs/vfs/fs_epoll.c b/fs/vfs/fs_epoll.c
index 420e066d4c..8cd6e227ac 100644
--- a/fs/vfs/fs_epoll.c
+++ b/fs/vfs/fs_epoll.c
@@ -37,13 +37,16 @@
  * Included Files
  ****************************************************************************/
 
+#include <nuttx/config.h>
+
+#include <sys/epoll.h>
+
 #include <stdint.h>
 #include <poll.h>
 #include <errno.h>
 #include <stdlib.h>
 #include <string.h>
-
-#include <sys/epoll.h>
+#include <debug.h>
 
 #ifndef CONFIG_DISABLE_POLL
 
@@ -111,8 +114,8 @@ int epoll_ctl(int epfd, int op, int fd, struct epoll_event *ev)
   switch (op)
     {
       case EPOLL_CTL_ADD:
-        printf("%08x CTL ADD(%d): fd=%d ev=%08x\n",
-               epfd, eph->occupied, fd, ev->events);
+        fvdbg("%08x CTL ADD(%d): fd=%d ev=%08x\n",
+              epfd, eph->occupied, fd, ev->events);
 
         eph->evs[eph->occupied].events = ev->events | POLLERR | POLLHUP;
         eph->evs[eph->occupied++].data.fd = fd;
@@ -144,8 +147,8 @@ int epoll_ctl(int epfd, int op, int fd, struct epoll_event *ev)
         {
           int i;
 
-          printf("%08x CTL MOD(%d): fd=%d ev=%08x\n",
-                  epfd, eph->occupied, fd, ev->events);
+          fvdbg("%08x CTL MOD(%d): fd=%d ev=%08x\n",
+                epfd, eph->occupied, fd, ev->events);
 
           for (i = 0; i < eph->occupied; i++)
             {
@@ -187,12 +190,12 @@ int epoll_wait(int epfd, FAR struct epoll_event *evs, int maxevents,
     {
       if (rc < 0)
         {
-          printf("%08x poll fail: %d for %d, %d msecs\n",
-                 epfd, rc, eph->occupied, timeout);
+          fdbg("%08x poll fail: %d for %d, %d msecs\n",
+               epfd, rc, eph->occupied, timeout);
 
           for (i = 0; i < eph->occupied; i++)
             {
-              printf("%02d: fd=%d\n", i, eph->evs[i].data.fd);
+              fdbg("%02d: fd=%d\n", i, eph->evs[i].data.fd);
             }
         }