Re: [ECOS] Miss calling ASR in sched.cxx

[Huang Yi <linuxjoy@gmail.com>]

Thanks. But at the mail archive, I found my original mail :
http://ecos.sourceware.org/ml/ecos-devel/2011-04/msg00008.html
The patch is present at the end of the mail.

I paste the same patch text here:

------------------------------[PATCH START] ------------------------------------
Index: packages/kernel/current/src/sched/sched.cxx
===================================================================
RCS file: /cvs/ecos/ecos/packages/kernel/current/src/sched/sched.cxx,v
retrieving revision 1.20
diff -u -8 -p -r1.20 sched.cxx
--- packages/kernel/current/src/sched/sched.cxx 29 Jan 2009 17:49:50
-0000      1.20
+++ packages/kernel/current/src/sched/sched.cxx 22 Apr 2011 02:42:06 -0000
@@ -131,16 +131,20 @@ inline void *operator new(size_t size, v
 // have when it reschedules this thread back, and leaves this function.
 // When it is non-zero, and the thread is rescheduled, no ASRS are run,
 // or DSRs processed. By doing this, it makes it possible for threads
 // that want to go to sleep to wake up with the scheduler lock in the
 // same state it was in before.

 void Cyg_Scheduler::unlock_inner( cyg_ucount32 new_lock )
 {
+#ifdef CYGSEM_KERNEL_SCHED_ASR_SUPPORT
+    cyg_bool call_asr = false;
+#endif
+
 #ifdef CYGDBG_KERNEL_TRACE_UNLOCK_INNER
    CYG_REPORT_FUNCTION();
 #endif

    do {

        CYG_PRECONDITION( new_lock==0 ? get_sched_lock() == 1 :
                          ((get_sched_lock() == new_lock) ||
(get_sched_lock() == new_lock+1)),
@@ -229,23 +233,21 @@ void Cyg_Scheduler::unlock_inner( cyg_uc
        }

        if( new_lock == 0 )
        {

 #ifdef CYGSEM_KERNEL_SCHED_ASR_SUPPORT

            // Check whether the ASR is pending and not inhibited.  If
-            // we can call it, then transfer this info to a local
+            // we can call it, then transfer this info to a
            // variable (call_asr) and clear the pending flag.  Note
            // that we only do this if the scheduler lock is about to
            // be zeroed. In any other circumstance we are not
            // unlocking.
-
-            cyg_bool call_asr = false;

            if( (current->asr_inhibit == 0) && current->asr_pending )
            {
                call_asr = true;
                current->asr_pending = false;
            }
 #endif
------------------------------[PATCH END] ------------------------------------


2011/5/3 Jürgen Lambrecht <J.Lambrecht@televic.com>:
> This is the correct list, but your attachment got lost.
> Regards, Jürgen

-- 
Huang Yi (kiron)
-------------------