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author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2008-01-22 15:20:34 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2008-01-22 15:20:34 +0000 |
commit | 797c232daded0ae9557d6d9ca1b3f2815345d471 (patch) | |
tree | c9c89949df6f4a931011c05f1917c8686576cc3c /cpukit/score/src/threadclearstate.c | |
parent | 2008-01-22 Joel Sherrill <joel.sherrill@OARcorp.com> (diff) | |
download | rtems-797c232daded0ae9557d6d9ca1b3f2815345d471.tar.bz2 |
2008-01-22 Joel Sherrill <joel.sherrill@OARcorp.com>
* libi2c/README_libi2c: Correct spelling error.
* score/src/threadclearstate.c: Improve comment.
Diffstat (limited to 'cpukit/score/src/threadclearstate.c')
-rw-r--r-- | cpukit/score/src/threadclearstate.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/cpukit/score/src/threadclearstate.c b/cpukit/score/src/threadclearstate.c index 8a175fd8cd..f8525b2716 100644 --- a/cpukit/score/src/threadclearstate.c +++ b/cpukit/score/src/threadclearstate.c @@ -75,9 +75,15 @@ void _Thread_Clear_state( /* * If the thread that was unblocked is more important than the heir, - * then we have a new heir. In addition, if the current thread - * is preemptible or we are waking up one of the "pseudo-ISR" system - * threads, then we need to do a context switch. + * then we have a new heir. This may or may not result in a + * context switch. + * + * Normal case: + * If the current thread is preemptible, then we need to do + * a context switch. + * Pseudo-ISR case: + * Even if the thread isn't preemptible, if the new heir is + * a pseudo-ISR system task, we need to do a context switch. */ if ( the_thread->current_priority < _Thread_Heir->current_priority ) { _Thread_Heir = the_thread; |