From ba87fbf88a47712a1cac9c86cd670417a132b719 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Sun, 5 Oct 2014 12:19:05 +0000
Subject: [PATCH] Added chThdGetIdleX() API.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@7365 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/rt/include/chthreads.h | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/os/rt/include/chthreads.h b/os/rt/include/chthreads.h
index fa093b09c..a86a4c7ec 100644
--- a/os/rt/include/chthreads.h
+++ b/os/rt/include/chthreads.h
@@ -277,6 +277,25 @@ static inline thread_t *chThdGetSelfX(void) {
   return ch.rlist.r_current;
 }
 
+#if !CH_CFG_NO_IDLE_THREAD || defined(__DOXYGEN__)
+/**
+ * @brief   Returns a pointer to the idle thread.
+ * @pre     In order to use this function the option @p CH_CFG_NO_IDLE_THREAD
+ *          must be disabled.
+ * @note    The reference counter of the idle thread is not incremented but
+ *          it is not strictly required being the idle thread a static
+ *          object.
+ *
+ * @return              Pointer to the idle thread.
+ *
+ * @xclass
+ */
+static inline thread_t *chThdGetIdleX(void) {
+
+  return ch.rlist.r_queue.p_prev;
+}
+#endif /* !CH_CFG_NO_IDLE_THREAD */
+
 /**
  * @brief   Returns the current thread priority.
  * @note    Can be invoked in any context.