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IDLE thread will not boost up when IDLE hold sem #5266

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Merged
xiaoxiang781216 merged 1 commit into from
Jan 19, 2022
Merged

IDLE thread will not boost up when IDLE hold sem #5266

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7 changes: 4 additions & 3 deletions sched/semaphore/sem_holder.c
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Original file line number Diff line number Diff line change
Expand Up @@ -942,12 +942,13 @@ void nxsem_add_holder_tcb(FAR struct tcb_s *htcb, FAR sem_t *sem)
{
FAR struct semholder_s *pholder;

/* If priority inheritance is disabled for this thread, then do not add
* the holder. If there are never holders of the semaphore, the priority
/* If priority inheritance is disabled for this thread or it is IDLE hread,
* then do not add the holder.
* If there are never holders of the semaphore, the priority
* inheritance is effectively disabled.
*/

if ((sem->flags & PRIOINHERIT_FLAGS_DISABLE) == 0)
if (htcb->flink != NULL && (sem->flags & PRIOINHERIT_FLAGS_DISABLE) == 0)
{
/* Find or allocate a container for this new holder */

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