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-rw-r--r--src/sys/schedule.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/sys/schedule.c b/src/sys/schedule.c
index 287091c..9540d3d 100644
--- a/src/sys/schedule.c
+++ b/src/sys/schedule.c
@@ -202,6 +202,7 @@ void yield(void)
// thus any threads of the same priority can be run first
unsigned char priority = rthread->priority;
struct ThreadQueue* trq = &scheduler.ready[priority];
+ trq->read.entry->thread = 0;
trq->read.entry = trq->read.entry->next;
trq->write.entry->thread = rthread;
trq->write.entry = trq->write.entry->next;