mbed official / mbed-rtos

Official mbed Real Time Operating System based on the RTX implementation of the CMSIS-RTOS API open standard.

Dependents:   denki-yohou_b TestY201 Network-RTOS NTPClient_HelloWorld ... more

Deprecated

This is the mbed 2 rtos library. mbed OS 5 integrates the mbed library with mbed-rtos. With this, we have provided thread safety for all mbed APIs. If you'd like to learn about using mbed OS 5, please see the docs.

Diff: rtx/TARGET_CORTEX_M/rt_Task.c

Revision:
118:6635230e06ba
Parent:
112:53ace74b190c
Child:
123:58563e6cba1e
--- a/rtx/TARGET_CORTEX_M/rt_Task.c	Mon May 23 11:00:15 2016 +0100
+++ b/rtx/TARGET_CORTEX_M/rt_Task.c	Mon Jul 25 14:12:24 2016 +0100
@@ -40,6 +40,7 @@
 #include "rt_MemBox.h"
 #include "rt_Robin.h"
 #include "rt_HAL_CM.h"
+#include "rt_OsEventObserver.h"
 
 /*----------------------------------------------------------------------------
  *      Global Variables
@@ -101,6 +102,9 @@
   /* Switch to next task (identified by "p_new"). */
   os_tsk.new_tsk   = p_new;
   p_new->state = RUNNING;
+  if (osEventObs && osEventObs->thread_switch) {
+    osEventObs->thread_switch(p_new->context);
+  }
   DBG_TASK_SWITCH(p_new->task_id);
 }
 
@@ -402,6 +406,10 @@
   os_tsk.run = &os_idle_TCB;
   os_tsk.run->state = RUNNING;
 
+  /* Set the current thread to idle, so that on exit from this SVCall we do not
+   * de-reference a NULL TCB. */
+  rt_switch_req(&os_idle_TCB);
+
   /* Initialize ps queue */
   os_psq->first = 0U;
   os_psq->last  = 0U;