1 files changed, 10 insertions, 0 deletions

diff --git a/firmware/export/thread.h b/firmware/export/thread.h
index 2a2a7a8619..a75981dcba 100644
--- a/firmware/export/thread.h
+++ b/firmware/export/thread.h
@@ -58,6 +58,9 @@
 #define NUM_PRIORITIES           32
 #define PRIORITY_IDLE            32  /* Priority representative of no tasks */
 
+#define IO_PRIORITY_IMMEDIATE    0
+#define IO_PRIORITY_BACKGROUND   32
+
 #if CONFIG_CODEC == SWCODEC
 
 #ifdef HAVE_RECORDING
@@ -294,6 +297,9 @@ struct thread_entry
     struct corelock waiter_cl; /* Corelock for thread_wait */
     struct corelock slot_cl;   /* Corelock to lock thread slot */
 #endif
+#ifdef HAVE_IO_PRIORITY
+    unsigned char io_priority;
+#endif
 };
 
 /*** Macros for internal use ***/
@@ -539,6 +545,10 @@ unsigned int wakeup_thread(struct thread_entry **list);
 int thread_set_priority(unsigned int thread_id, int priority);
 int thread_get_priority(unsigned int thread_id);
 #endif /* HAVE_PRIORITY_SCHEDULING */
+#ifdef HAVE_IO_PRIORITY
+void thread_set_io_priority(unsigned int thread_id, int io_priority);
+int thread_get_io_priority(unsigned int thread_id);
+#endif /* HAVE_IO_PRIORITY */
 #if NUM_CORES > 1
 unsigned int switch_core(unsigned int new_core);
 #endif