From fde2a2cc60934f77816a4d2200b97127cdb3a6d2 Mon Sep 17 00:00:00 2001
From: Giovanni Di Sirio <gdisirio@gmail.com>
Date: Thu, 25 Feb 2016 10:37:07 +0000
Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@8946
35acf78f-673a-0410-8e92-d51de3d6d3f4
---
os/rt/src/chregistry.c | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
(limited to 'os/rt/src')
diff --git a/os/rt/src/chregistry.c b/os/rt/src/chregistry.c
index ec90b4168..24246c012 100644
--- a/os/rt/src/chregistry.c
+++ b/os/rt/src/chregistry.c
@@ -233,6 +233,33 @@ thread_t *chRegFindThreadByPointer(thread_t *tp) {
return NULL;
}
+/**
+ * @brief Confirms that a working area is being used by some active thread.
+ * @note The reference counter of the found thread is increased by one so
+ * it cannot be disposed incidentally after the pointer has been
+ * returned.
+ *
+ * @param[in] wa pointer to a static working area
+ * @return A pointer to the found thread.
+ * @retval NULL if a matching thread has not been found.
+ *
+ * @api
+ */
+thread_t *chRegFindThreadByWorkingArea(stkalign_t *wa) {
+ thread_t *ctp;
+
+ /* Scanning registry.*/
+ ctp = chRegFirstThread();
+ do {
+ if (ctp->stklimit == wa) {
+ return ctp;
+ }
+ ctp = chRegNextThread(ctp);
+ } while (ctp != NULL);
+
+ return NULL;
+}
+
#endif /* CH_CFG_USE_REGISTRY == TRUE */
/** @} */
--
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