From 1579788c50ad6ab8044c734d7c4118e3c573259c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sa=C3=BAl=20Ibarra=20Corretg=C3=A9?= <saghul@gmail.com>
Date: Mon, 12 May 2014 23:46:56 +0200
Subject: [PATCH] unix, windows: avoid error in uv_fs_event_stop

For consistency with other handle types, if stop is called while the
handle wasn't started yet, it's a no-op.
---
 src/unix/kqueue.c        | 2 +-
 src/unix/linux-inotify.c | 2 +-
 src/unix/sunos.c         | 2 +-
 src/win/fs-event.c       | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/unix/kqueue.c b/src/unix/kqueue.c
index 77064175..b4f9f5d8 100644
--- a/src/unix/kqueue.c
+++ b/src/unix/kqueue.c
@@ -377,7 +377,7 @@ fallback:
 
 int uv_fs_event_stop(uv_fs_event_t* handle) {
   if (!uv__is_active(handle))
-    return -EINVAL;
+    return 0;
 
   uv__handle_stop(handle);
 
diff --git a/src/unix/linux-inotify.c b/src/unix/linux-inotify.c
index 20bc1735..2ecc5ebf 100644
--- a/src/unix/linux-inotify.c
+++ b/src/unix/linux-inotify.c
@@ -231,7 +231,7 @@ int uv_fs_event_stop(uv_fs_event_t* handle) {
   struct watcher_list* w;
 
   if (!uv__is_active(handle))
-    return -EINVAL;
+    return 0;
 
   w = find_watcher(handle->loop, handle->wd);
   assert(w != NULL);
diff --git a/src/unix/sunos.c b/src/unix/sunos.c
index b8a39c70..a630dba7 100644
--- a/src/unix/sunos.c
+++ b/src/unix/sunos.c
@@ -431,7 +431,7 @@ int uv_fs_event_start(uv_fs_event_t* handle,
 
 int uv_fs_event_stop(uv_fs_event_t* handle) {
   if (!uv__is_active(handle))
-    return -EINVAL;
+    return 0;
 
   if (handle->fd == PORT_FIRED || handle->fd == PORT_LOADED) {
     port_dissociate(handle->loop->fs_fd,
diff --git a/src/win/fs-event.c b/src/win/fs-event.c
index f3de5756..7ad99a88 100644
--- a/src/win/fs-event.c
+++ b/src/win/fs-event.c
@@ -290,7 +290,7 @@ error:
 
 int uv_fs_event_stop(uv_fs_event_t* handle) {
   if (!uv__is_active(handle))
-    return UV_EINVAL;
+    return 0;
 
   if (handle->dir_handle != INVALID_HANDLE_VALUE) {
     CloseHandle(handle->dir_handle);