[rtems commit] score: Move is_executing_on_a_core from cpuusagereport. c to threadimpl.h
Jennifer Averett
jennifer at rtems.org
Tue Oct 28 15:17:52 UTC 2014
Module: rtems
Branch: master
Commit: f9b19d9f838d7ef0b99e06149e58cbec1d775711
Changeset: http://git.rtems.org/rtems/commit/?id=f9b19d9f838d7ef0b99e06149e58cbec1d775711
Author: Jennifer Averett <jennifer.averett at oarcorp.com>
Date: Fri Sep 19 14:04:49 2014 -0500
score: Move is_executing_on_a_core from cpuusagereport.c to threadimpl.h
---
cpukit/score/include/rtems/score/threadimpl.h | 30 +++++++++++++++++++++++++
1 files changed, 30 insertions(+), 0 deletions(-)
diff --git a/cpukit/score/include/rtems/score/threadimpl.h b/cpukit/score/include/rtems/score/threadimpl.h
index 61b498a..bfaf1fd 100644
--- a/cpukit/score/include/rtems/score/threadimpl.h
+++ b/cpukit/score/include/rtems/score/threadimpl.h
@@ -494,6 +494,36 @@ 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.
*/
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