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-rw-r--r--include/task.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/task.h b/include/task.h
index d0ca34f7f..9d1ee42c4 100644
--- a/include/task.h
+++ b/include/task.h
@@ -3,6 +3,7 @@
#define HEAD_SENTINEL 0xFE
#define TAIL_SENTINEL 0xFF
+#define TASK_NONE TAIL_SENTINEL
#define NUM_TASKS 16
#define NUM_TASK_DATA 16