---
cpukit/score/include/rtems/score/threadimpl.h | 30 +++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/cpukit/score/include/rtems/score/threadimpl.h
b/cpukit/score/include/rtems/score/threadimpl.h
index 9321c01..6195561 100644
--- a/cpukit/score/include/rtems/score/threadimpl.h
+++ b/cpukit/score/include/rtems/score/threadimpl.h
@@ -484,6 +484,36 @@ RTEMS_INLINE_ROUTINE bool
_Thread_Is_executing_on_a_processor(
#endif
/**
+ * @brief Returns @true and sets time_of_context_switch to the the
+ * time of the last context switch when the thread is currently executing
+ * in the system, otherwise @a false.
+ */
+RTEMS_INLINE_ROUTINE bool _Thread_Get_time_of_last_context_switch(
+ Thread_Control *the_thread,
+ Timestamp_Control *time_of_context_switch
+)
+{
+ bool retval = false;
+
+ _Thread_Disable_dispatch();
+ #ifndef RTEMS_SMP
+ if ( _Thread_Executing->Object.id == the_thread->Object.id ) {
+ *time_of_context_switch = _Thread_Time_of_last_context_switch;
+ retval = true;
+ }
+ #else
+ if ( _Thread_Is_executing_on_a_processor( the_thread ) ) {
+ *time_of_context_switch =
+ _Thread_Get_CPU( the_thread )->time_of_last_context_switch;
+ retval = true;
+ }
+ #endif
+ _Thread_Enable_dispatch();
+ return retval;
+}
+
+
+/**
* This function returns true if the_thread is the heir
* thread, and false otherwise.
*/
--
1.8.1.4
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