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| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2008-07-30 11:01:56 +0000 |
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| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2008-07-30 11:01:56 +0000 |
| commit | e150283e1f071673e1d3490cbf85651e5502d421 (patch) | |
| tree | a34e5264e7c789b87ef2414472bbe8eb4a93d332 /src/chschd.c | |
| parent | 0cd87f700cbc1d8dcb03bafe90793626d6efbb32 (diff) | |
| download | ChibiOS-e150283e1f071673e1d3490cbf85651e5502d421.tar.gz ChibiOS-e150283e1f071673e1d3490cbf85651e5502d421.tar.bz2 ChibiOS-e150283e1f071673e1d3490cbf85651e5502d421.zip | |
Various optimizations to the scheduler.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@378 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'src/chschd.c')
| -rw-r--r-- | src/chschd.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/src/chschd.c b/src/chschd.c index c97eea1e8..8b606cd1b 100644 --- a/src/chschd.c +++ b/src/chschd.c @@ -174,18 +174,17 @@ void chSchWakeupS(Thread *ntp, msg_t msg) { * Intended to be called if \p chSchRescRequired() evaluates to \p TRUE. */ void chSchDoRescheduleI(void) { - /* put the running thread on the ready queue */ + Thread *otp = currp; - chSchReadyI(otp); - /* pick the first thread from the ready queue */ + /* pick the first thread from the ready queue and makes it current */ (currp = fifo_remove(&rlist.r_queue))->p_state = PRCURR; + chSchReadyI(otp); #ifdef CH_USE_ROUNDROBIN rlist.r_preempt = CH_TIME_QUANTUM; #endif #ifdef CH_USE_TRACE chDbgTrace(otp, currp); #endif - /* switch thread context */ chSysSwitchI(otp, currp); } |