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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@227 35acf78f-673a-0410-8e92-d51de3d6d3f4

This commit is contained in:
gdisirio 2008-03-12 16:38:58 +00:00
parent 9d69c31143
commit d76f6bff4f
1 changed files with 7 additions and 2 deletions
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9
src/chsem.c
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@ -174,8 +174,13 @@ void chSemSignal(Semaphore *sp) {
*/ */
void chSemSignalI(Semaphore *sp) { void chSemSignalI(Semaphore *sp) {
if (sp->s_cnt++ < 0) if (sp->s_cnt++ < 0) {
chSchReadyI(fifo_remove(&sp->s_queue))->p_rdymsg = RDY_OK; /* NOTE: It is done this way in order to allow a tail call on
chSchReadyI().*/
Thread *tp = fifo_remove(&sp->s_queue);
tp->p_rdymsg = RDY_OK;
chSchReadyI(tp);
}
} }
#ifdef CH_USE_SEMSW #ifdef CH_USE_SEMSW