From 3b9ae6825f753e21f2db109d7b1005a6acfe475c Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Wed, 10 Sep 2014 12:35:59 +0000
Subject: [PATCH] Added function chThdQueueIsEmptyI(), fixed a naming error in
 threads queues static initializer.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@7255 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/rt/include/chcond.h    |  2 +-
 os/rt/include/chmtx.h     |  4 ++--
 os/rt/include/chqueues.h  |  4 ++--
 os/rt/include/chsem.h     |  2 +-
 os/rt/include/chthreads.h | 17 +++++++++++++++++
 5 files changed, 23 insertions(+), 6 deletions(-)

diff --git a/os/rt/include/chcond.h b/os/rt/include/chcond.h
index 94be40c74..80c3651c7 100644
--- a/os/rt/include/chcond.h
+++ b/os/rt/include/chcond.h
@@ -73,7 +73,7 @@ typedef struct condition_variable {
  *
  * @param[in] name      the name of the condition variable
  */
-#define _CONDVAR_DATA(name) {_threads_queue_t_DATA(name.c_queue)}
+#define _CONDVAR_DATA(name) {_THREADS_QUEUE_DATA(name.c_queue)}
 
 /**
  * @brief Static condition variable initializer.
diff --git a/os/rt/include/chmtx.h b/os/rt/include/chmtx.h
index 097b349c5..ecfffae92 100644
--- a/os/rt/include/chmtx.h
+++ b/os/rt/include/chmtx.h
@@ -79,9 +79,9 @@ struct mutex {
  * @param[in] name      the name of the mutex variable
  */
 #if CH_CFG_USE_MUTEXES_RECURSIVE || defined(__DOXYGEN__)
-#define _MUTEX_DATA(name) {_threads_queue_t_DATA(name.m_queue), NULL, NULL, 0}
+#define _MUTEX_DATA(name) {_THREADS_QUEUE_DATA(name.m_queue), NULL, NULL, 0}
 #else
-#define _MUTEX_DATA(name) {_threads_queue_t_DATA(name.m_queue), NULL, NULL}
+#define _MUTEX_DATA(name) {_THREADS_QUEUE_DATA(name.m_queue), NULL, NULL}
 #endif
 
 /**
diff --git a/os/rt/include/chqueues.h b/os/rt/include/chqueues.h
index 63d91c090..c86a68fea 100644
--- a/os/rt/include/chqueues.h
+++ b/os/rt/include/chqueues.h
@@ -129,7 +129,7 @@ typedef io_queue_t output_queue_t;
  * @param[in] link      application defined pointer
  */
 #define _INPUTQUEUE_DATA(name, buffer, size, inotify, link) {               \
-  _threads_queue_t_DATA(name),                                              \
+  _THREADS_QUEUE_DATA(name),                                                \
   0,                                                                        \
   (uint8_t *)(buffer),                                                      \
   (uint8_t *)(buffer) + (size),                                             \
@@ -165,7 +165,7 @@ typedef io_queue_t output_queue_t;
  * @param[in] link      application defined pointer
  */
 #define _OUTPUTQUEUE_DATA(name, buffer, size, onotify, link) {              \
-  _threads_queue_t_DATA(name),                                              \
+  _THREADS_QUEUE_DATA(name),                                                \
   (size),                                                                   \
   (uint8_t *)(buffer),                                                      \
   (uint8_t *)(buffer) + (size),                                             \
diff --git a/os/rt/include/chsem.h b/os/rt/include/chsem.h
index badebc3f9..4762da9df 100644
--- a/os/rt/include/chsem.h
+++ b/os/rt/include/chsem.h
@@ -69,7 +69,7 @@ typedef struct semaphore {
  * @param[in] n         the counter initial value, this value must be
  *                      non-negative
  */
-#define _SEMAPHORE_DATA(name, n) {_threads_queue_t_DATA(name.s_queue), n}
+#define _SEMAPHORE_DATA(name, n) {_THREADS_QUEUE_DATA(name.s_queue), n}
 
 /**
  * @brief   Static semaphore initializer.
diff --git a/os/rt/include/chthreads.h b/os/rt/include/chthreads.h
index 03ac3fba7..ca2d3bcbc 100644
--- a/os/rt/include/chthreads.h
+++ b/os/rt/include/chthreads.h
@@ -376,6 +376,23 @@ static inline void chThdQueueObjectInit(threads_queue_t *tqp) {
   queue_init(tqp);
 }
 
+/**
+ * @brief   Evaluates to @p true if the specified queue is empty.
+ *
+ * @param[out] tqp      pointer to the threads queue object
+ * @return              The queue status.
+ * @retval false        if the queue is not empty.
+ * @retval true         if the queue is empty.
+ *
+ * @iclass
+ */
+static inline bool chThdQueueIsEmptyI(threads_queue_t *tqp) {
+
+  chDbgCheckClassI();
+
+  return queue_isempty(tqp);
+}
+
 #endif /* _CHTHREADS_H_ */
 
 /** @} */