Merge pull request #1579 from RT-Thread/fix_waitqueue

Fix waitqueue issue

1 files changed, 14 insertions, 1 deletions

diff --git a/include/rtdef.h b/include/rtdef.h
index 5f6f728967..642ea0e729 100644
--- a/include/rtdef.h
+++ b/include/rtdef.h
@@ -848,6 +848,9 @@ enum rt_device_class_type
 #define RT_DEVICE_CTRL_RTC_SET_ALARM    0x13            /**< set alarm */
 
 typedef struct rt_device *rt_device_t;
+/**
+ * operations set for device object
+ */
 struct rt_device_ops
 {
     /* common device interface */
@@ -860,6 +863,16 @@ struct rt_device_ops
 };
 
 /**
+ * WaitQueue structure
+ */
+struct rt_wqueue
+{
+    rt_uint32_t flag;
+    rt_list_t waiting_list;
+};
+typedef struct rt_wqueue rt_wqueue_t;
+
+/**
  * Device structure
  */
 struct rt_device
@@ -891,7 +904,7 @@ struct rt_device
 
 #if defined(RT_USING_POSIX)
     const struct dfs_file_ops *fops;
-    rt_list_t wait_queue;
+    struct rt_wqueue wait_queue;
 #endif
 
     void                     *user_data;                /**< device private data */