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| author | Giovanni Di Sirio <gdisirio@gmail.com> | 2016-02-25 10:37:07 +0000 |
|---|---|---|
| committer | Giovanni Di Sirio <gdisirio@gmail.com> | 2016-02-25 10:37:07 +0000 |
| commit | fde2a2cc60934f77816a4d2200b97127cdb3a6d2 (patch) | |
| tree | 6afa1382dce1df73e3cdcfef7cb2513bf926532e /os/rt | |
| parent | fcb8c906094c82bbdba975ee7370f47d9a7b3e24 (diff) | |
| download | ChibiOS-fde2a2cc60934f77816a4d2200b97127cdb3a6d2.tar.gz ChibiOS-fde2a2cc60934f77816a4d2200b97127cdb3a6d2.tar.bz2 ChibiOS-fde2a2cc60934f77816a4d2200b97127cdb3a6d2.zip | |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@8946 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/rt')
| -rw-r--r-- | os/rt/include/chregistry.h | 1 | ||||
| -rw-r--r-- | os/rt/src/chregistry.c | 27 |
2 files changed, 28 insertions, 0 deletions
diff --git a/os/rt/include/chregistry.h b/os/rt/include/chregistry.h index a786e93a0..f60b1b2c3 100644 --- a/os/rt/include/chregistry.h +++ b/os/rt/include/chregistry.h @@ -110,6 +110,7 @@ extern "C" { thread_t *chRegNextThread(thread_t *tp);
thread_t *chRegFindThreadByName(const char *name);
thread_t *chRegFindThreadByPointer(thread_t *tp);
+ thread_t *chRegFindThreadByWorkingArea(stkalign_t *wa);
#ifdef __cplusplus
}
#endif
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 */
/** @} */
|