Improved messages.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@8707 35acf78f-673a-0410-8e92-d51de3d6d3f4

doc/rt/Doxyfile_chm

@@ -38,7 +38,7 @@ PROJECT_NAME           = ChibiOS/RT
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 3.1.0
+PROJECT_NUMBER         = 3.2.0
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a

doc/rt/Doxyfile_html

@@ -38,7 +38,7 @@ PROJECT_NAME           = ChibiOS/RT
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 3.1.0
+PROJECT_NUMBER         = 3.2.0
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a

os/rt/include/ch.h

@@ -48,7 +48,7 @@
 /**
  * @brief   Kernel version string.
  */
-#define CH_KERNEL_VERSION       "3.1.0"
+#define CH_KERNEL_VERSION       "3.2.0"
 
 /**
  * @brief   Kernel version major number.
@@ -58,7 +58,7 @@
 /**
  * @brief   Kernel version minor number.
  */
-#define CH_KERNEL_MINOR         1
+#define CH_KERNEL_MINOR         2
 
 /**
  * @brief   Kernel version patch number.

os/rt/include/chmsg.h

@@ -95,7 +95,9 @@ static inline bool chMsgIsPendingI(thread_t *tp) {
  */
 static inline msg_t chMsgGet(thread_t *tp) {
 
-  return tp->p_msg;
+  chDbgAssert(tp->p_state == CH_STATE_SNDMSG, "invalid state");
+
+  return tp->p_u.sentmsg;
 }
 
 /**

os/rt/include/chschd.h

@@ -276,6 +276,12 @@ struct ch_thread {
      *        state.
      */
     thread_reference_t  *wttrp;
+#if (CH_CFG_USE_MESSAGES == TRUE) || defined(__DOXYGEN__)
+    /**
+     * @brief Thread sent message.
+     */
+    msg_t               sentmsg;
+#endif
 #if (CH_CFG_USE_SEMAPHORES == TRUE) || defined(__DOXYGEN__)
     /**
      * @brief Pointer to a generic semaphore object.
@@ -314,10 +320,6 @@ struct ch_thread {
    * @brief Messages queue.
    */
   threads_queue_t       p_msgqueue;
-  /**
-   * @brief Thread message.
-   */
-  msg_t                 p_msg;
 #endif
 #if (CH_CFG_USE_EVENTS == TRUE) || defined(__DOXYGEN__)
   /**

os/rt/src/chmsg.c

@@ -90,8 +90,7 @@ msg_t chMsgSend(thread_t *tp, msg_t msg) {
   chDbgCheck(tp != NULL);
 
   chSysLock();
-  ctp->p_msg = msg;
-  ctp->p_u.wtobjp = &tp->p_msgqueue;
+  ctp->p_u.sentmsg = msg;
   msg_insert(ctp, &tp->p_msgqueue);
   if (tp->p_state == CH_STATE_WTMSG) {
     (void) chSchReadyI(tp);

readme.txt

@@ -72,6 +72,11 @@
 *** Releases and Change Log                                               ***
 *****************************************************************************
 
+*** RT 3.2.0 ***
+- OPT: Removed the p_msg field from the thread_t structure saving a
+       msg_t-sized field from the structure. Messages now use a new field
+       into the p_u union. Now synchnorous messages are even faster.
+
 *** 16.1.0 ***
 - RT:  Added CodeWarrior compiler support to the e200 port.
 - HAL: Added support for STM32F446.